libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update

23 Mar 2012

1 files changed, 1642 insertions, 1505 deletions

diff --git a/xorg-server/hw/xfree86/x86emu/prim_ops.c b/xorg-server/hw/xfree86/x86emu/prim_ops.c
index 4a6ac5deb..24f76b47f 100644
--- a/xorg-server/hw/xfree86/x86emu/prim_ops.c
+++ b/xorg-server/hw/xfree86/x86emu/prim_ops.c
@@ -103,23 +103,22 @@
 #include "x86emu/x86emui.h"
 
 #if defined(__GNUC__)
-# if defined (__i386__) || defined(__i386) || defined(__AMD64__) || defined(__amd64__)
-#  include "x86emu/prim_x86_gcc.h"
-# endif
+#if defined (__i386__) || defined(__i386) || defined(__AMD64__) || defined(__amd64__)
+#include "x86emu/prim_x86_gcc.h"
+#endif
 #endif
 
 /*------------------------- Global Variables ------------------------------*/
 
-static u32 x86emu_parity_tab[8] =
-{
-	0x96696996,
-	0x69969669,
-	0x69969669,
-	0x96696996,
-	0x69969669,
-	0x96696996,
-	0x96696996,
-	0x69969669,
+static u32 x86emu_parity_tab[8] = {
+    0x96696996,
+    0x69969669,
+    0x69969669,
+    0x96696996,
+    0x69969669,
+    0x96696996,
+    0x96696996,
+    0x69969669,
 };
 
 #define PARITY(x)   (((x86emu_parity_tab[(x) / 32] >> ((x) % 32)) & 1) == 0)
@@ -131,88 +130,96 @@ static u32 x86emu_parity_tab[8] =
 REMARKS:
 Implements the AAA instruction and side effects.
 ****************************************************************************/
-u16 aaa_word(u16 d)
+u16
+aaa_word(u16 d)
 {
-	u16	res;
-	if ((d & 0xf) > 0x9 || ACCESS_FLAG(F_AF)) {
-		d += 0x6;
-		d += 0x100;
-		SET_FLAG(F_AF);
-		SET_FLAG(F_CF);
-	} else {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_AF);
-	}
-	res = (u16)(d & 0xFF0F);
-	CLEAR_FLAG(F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	return res;
+    u16 res;
+
+    if ((d & 0xf) > 0x9 || ACCESS_FLAG(F_AF)) {
+        d += 0x6;
+        d += 0x100;
+        SET_FLAG(F_AF);
+        SET_FLAG(F_CF);
+    }
+    else {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_AF);
+    }
+    res = (u16) (d & 0xFF0F);
+    CLEAR_FLAG(F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the AAA instruction and side effects.
 ****************************************************************************/
-u16 aas_word(u16 d)
+u16
+aas_word(u16 d)
 {
-	u16	res;
-	if ((d & 0xf) > 0x9 || ACCESS_FLAG(F_AF)) {
-		d -= 0x6;
-		d -= 0x100;
-		SET_FLAG(F_AF);
-		SET_FLAG(F_CF);
-	} else {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_AF);
-	}
-	res = (u16)(d & 0xFF0F);
-	CLEAR_FLAG(F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	return res;
+    u16 res;
+
+    if ((d & 0xf) > 0x9 || ACCESS_FLAG(F_AF)) {
+        d -= 0x6;
+        d -= 0x100;
+        SET_FLAG(F_AF);
+        SET_FLAG(F_CF);
+    }
+    else {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_AF);
+    }
+    res = (u16) (d & 0xFF0F);
+    CLEAR_FLAG(F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the AAD instruction and side effects.
 ****************************************************************************/
-u16 aad_word(u16 d)
+u16
+aad_word(u16 d)
 {
-	u16 l;
-	u8 hb, lb;
+    u16 l;
+    u8 hb, lb;
 
-	hb = (u8)((d >> 8) & 0xff);
-	lb = (u8)((d & 0xff));
-	l = (u16)((lb + 10 * hb) & 0xFF);
+    hb = (u8) ((d >> 8) & 0xff);
+    lb = (u8) ((d & 0xff));
+    l = (u16) ((lb + 10 * hb) & 0xFF);
 
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(l & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(l == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(l & 0xff), F_PF);
-	return l;
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(l & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(l == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(l & 0xff), F_PF);
+    return l;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the AAM instruction and side effects.
 ****************************************************************************/
-u16 aam_word(u8 d)
+u16
+aam_word(u8 d)
 {
     u16 h, l;
 
-	h = (u16)(d / 10);
-	l = (u16)(d % 10);
-	l |= (u16)(h << 8);
+    h = (u16) (d / 10);
+    l = (u16) (d % 10);
+    l |= (u16) (h << 8);
 
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(l & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(l == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(l & 0xff), F_PF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(l & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(l == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(l & 0xff), F_PF);
     return l;
 }
 
@@ -220,155 +227,161 @@ u16 aam_word(u8 d)
 REMARKS:
 Implements the ADC instruction and side effects.
 ****************************************************************************/
-u8 adc_byte(u8 d, u8 s)
+u8
+adc_byte(u8 d, u8 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 cc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 cc;
 
-	if (ACCESS_FLAG(F_CF))
-		res = 1 + d + s;
-	else
-		res = d + s;
+    if (ACCESS_FLAG(F_CF))
+        res = 1 + d + s;
+    else
+        res = d + s;
 
-	CONDITIONAL_SET_FLAG(res & 0x100, F_CF);
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x100, F_CF);
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = (s & d) | ((~res) & (s | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return (u8)res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = (s & d) | ((~res) & (s | d));
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ADC instruction and side effects.
 ****************************************************************************/
-u16 adc_word(u16 d, u16 s)
+u16
+adc_word(u16 d, u16 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 cc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 cc;
 
-	if (ACCESS_FLAG(F_CF))
-		res = 1 + d + s;
-	else
-		res = d + s;
+    if (ACCESS_FLAG(F_CF))
+        res = 1 + d + s;
+    else
+        res = d + s;
 
-	CONDITIONAL_SET_FLAG(res & 0x10000, F_CF);
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x10000, F_CF);
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = (s & d) | ((~res) & (s | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return (u16)res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = (s & d) | ((~res) & (s | d));
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ADC instruction and side effects.
 ****************************************************************************/
-u32 adc_long(u32 d, u32 s)
+u32
+adc_long(u32 d, u32 s)
 {
-	register u32 lo;	/* all operands in native machine order */
-	register u32 hi;
-	register u32 res;
-	register u32 cc;
+    register u32 lo;            /* all operands in native machine order */
+    register u32 hi;
+    register u32 res;
+    register u32 cc;
 
-	if (ACCESS_FLAG(F_CF)) {
-		lo = 1 + (d & 0xFFFF) + (s & 0xFFFF);
-		res = 1 + d + s;
-		}
-	else {
-		lo = (d & 0xFFFF) + (s & 0xFFFF);
-		res = d + s;
-		}
-	hi = (lo >> 16) + (d >> 16) + (s >> 16);
+    if (ACCESS_FLAG(F_CF)) {
+        lo = 1 + (d & 0xFFFF) + (s & 0xFFFF);
+        res = 1 + d + s;
+    }
+    else {
+        lo = (d & 0xFFFF) + (s & 0xFFFF);
+        res = d + s;
+    }
+    hi = (lo >> 16) + (d >> 16) + (s >> 16);
 
-	CONDITIONAL_SET_FLAG(hi & 0x10000, F_CF);
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(hi & 0x10000, F_CF);
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = (s & d) | ((~res) & (s | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = (s & d) | ((~res) & (s | d));
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ADD instruction and side effects.
 ****************************************************************************/
-u8 add_byte(u8 d, u8 s)
+u8
+add_byte(u8 d, u8 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 cc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 cc;
 
-	res = d + s;
-	CONDITIONAL_SET_FLAG(res & 0x100, F_CF);
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d + s;
+    CONDITIONAL_SET_FLAG(res & 0x100, F_CF);
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = (s & d) | ((~res) & (s | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return (u8)res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = (s & d) | ((~res) & (s | d));
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ADD instruction and side effects.
 ****************************************************************************/
-u16 add_word(u16 d, u16 s)
+u16
+add_word(u16 d, u16 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 cc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 cc;
 
-	res = d + s;
-	CONDITIONAL_SET_FLAG(res & 0x10000, F_CF);
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d + s;
+    CONDITIONAL_SET_FLAG(res & 0x10000, F_CF);
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = (s & d) | ((~res) & (s | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return (u16)res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = (s & d) | ((~res) & (s | d));
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ADD instruction and side effects.
 ****************************************************************************/
-u32 add_long(u32 d, u32 s)
+u32
+add_long(u32 d, u32 s)
 {
-	register u32 lo;	/* all operands in native machine order */
-	register u32 hi;
-	register u32 res;
-	register u32 cc;
+    register u32 lo;            /* all operands in native machine order */
+    register u32 hi;
+    register u32 res;
+    register u32 cc;
 
-	lo = (d & 0xFFFF) + (s & 0xFFFF);
-	res = d + s;
-	hi = (lo >> 16) + (d >> 16) + (s >> 16);
+    lo = (d & 0xFFFF) + (s & 0xFFFF);
+    res = d + s;
+    hi = (lo >> 16) + (d >> 16) + (s >> 16);
 
-	CONDITIONAL_SET_FLAG(hi & 0x10000, F_CF);
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(hi & 0x10000, F_CF);
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
     /* calculate the carry chain  SEE NOTE AT TOP. */
     cc = (s & d) | ((~res) & (s | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
 
     return res;
 }
@@ -377,39 +390,41 @@ u32 add_long(u32 d, u32 s)
 REMARKS:
 Implements the AND instruction and side effects.
 ****************************************************************************/
-u8 and_byte(u8 d, u8 s)
+u8
+and_byte(u8 d, u8 s)
 {
-	register u8 res;    /* all operands in native machine order */
+    register u8 res;            /* all operands in native machine order */
 
-	res = d & s;
+    res = d & s;
 
-	/* set the flags  */
-	CLEAR_FLAG(F_OF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
-	return res;
+    /* set the flags  */
+    CLEAR_FLAG(F_OF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the AND instruction and side effects.
 ****************************************************************************/
-u16 and_word(u16 d, u16 s)
+u16
+and_word(u16 d, u16 s)
 {
-    register u16 res;   /* all operands in native machine order */
+    register u16 res;           /* all operands in native machine order */
 
     res = d & s;
 
     /* set the flags  */
-	CLEAR_FLAG(F_OF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CLEAR_FLAG(F_OF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
     return res;
 }
 
@@ -417,433 +432,456 @@ u16 and_word(u16 d, u16 s)
 REMARKS:
 Implements the AND instruction and side effects.
 ****************************************************************************/
-u32 and_long(u32 d, u32 s)
+u32
+and_long(u32 d, u32 s)
 {
-	register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
 
-	res = d & s;
+    res = d & s;
 
-	/* set the flags  */
-	CLEAR_FLAG(F_OF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	return res;
+    /* set the flags  */
+    CLEAR_FLAG(F_OF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the CMP instruction and side effects.
 ****************************************************************************/
-u8 cmp_byte(u8 d, u8 s)
+u8
+cmp_byte(u8 d, u8 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 bc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 bc;
 
-	res = d - s;
-	CLEAR_FLAG(F_CF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d - s;
+    CLEAR_FLAG(F_CF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x80, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return d;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x80, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return d;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the CMP instruction and side effects.
 ****************************************************************************/
-u16 cmp_word(u16 d, u16 s)
+u16
+cmp_word(u16 d, u16 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 bc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 bc;
 
-	res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d - s;
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
+    /* calculate the borrow chain.  See note at top */
     bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x8000, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return d;
+    CONDITIONAL_SET_FLAG(bc & 0x8000, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return d;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the CMP instruction and side effects.
 ****************************************************************************/
-u32 cmp_long(u32 d, u32 s)
+u32
+cmp_long(u32 d, u32 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 bc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 bc;
 
-	res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d - s;
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x80000000, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return d;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x80000000, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return d;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DAA instruction and side effects.
 ****************************************************************************/
-u8 daa_byte(u8 d)
+u8
+daa_byte(u8 d)
 {
-	u32 res = d;
-	if ((d & 0xf) > 9 || ACCESS_FLAG(F_AF)) {
-		res += 6;
-		SET_FLAG(F_AF);
-	}
-	if (res > 0x9F || ACCESS_FLAG(F_CF)) {
-		res += 0x60;
-		SET_FLAG(F_CF);
-	}
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xFF) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	return (u8)res;
+    u32 res = d;
+
+    if ((d & 0xf) > 9 || ACCESS_FLAG(F_AF)) {
+        res += 6;
+        SET_FLAG(F_AF);
+    }
+    if (res > 0x9F || ACCESS_FLAG(F_CF)) {
+        res += 0x60;
+        SET_FLAG(F_CF);
+    }
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xFF) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DAS instruction and side effects.
 ****************************************************************************/
-u8 das_byte(u8 d)
+u8
+das_byte(u8 d)
 {
-	if ((d & 0xf) > 9 || ACCESS_FLAG(F_AF)) {
-		d -= 6;
-		SET_FLAG(F_AF);
-	}
-	if (d > 0x9F || ACCESS_FLAG(F_CF)) {
-		d -= 0x60;
-		SET_FLAG(F_CF);
-	}
-	CONDITIONAL_SET_FLAG(d & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(d == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(d & 0xff), F_PF);
-	return d;
+    if ((d & 0xf) > 9 || ACCESS_FLAG(F_AF)) {
+        d -= 6;
+        SET_FLAG(F_AF);
+    }
+    if (d > 0x9F || ACCESS_FLAG(F_CF)) {
+        d -= 0x60;
+        SET_FLAG(F_CF);
+    }
+    CONDITIONAL_SET_FLAG(d & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(d == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(d & 0xff), F_PF);
+    return d;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DEC instruction and side effects.
 ****************************************************************************/
-u8 dec_byte(u8 d)
+u8
+dec_byte(u8 d)
 {
-    register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
     register u32 bc;
 
     res = d - 1;
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	/* based on sub_byte, uses s==1.  */
-	bc = (res & (~d | 1)) | (~d & 1);
-	/* carry flag unchanged */
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return (u8)res;
+    /* calculate the borrow chain.  See note at top */
+    /* based on sub_byte, uses s==1.  */
+    bc = (res & (~d | 1)) | (~d & 1);
+    /* carry flag unchanged */
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DEC instruction and side effects.
 ****************************************************************************/
-u16 dec_word(u16 d)
+u16
+dec_word(u16 d)
 {
-    register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
     register u32 bc;
 
     res = d - 1;
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
     /* calculate the borrow chain.  See note at top */
     /* based on the sub_byte routine, with s==1 */
     bc = (res & (~d | 1)) | (~d & 1);
     /* carry flag unchanged */
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return (u16)res;
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DEC instruction and side effects.
 ****************************************************************************/
-u32 dec_long(u32 d)
+u32
+dec_long(u32 d)
 {
-    register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
     register u32 bc;
 
     res = d - 1;
 
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
     /* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | 1)) | (~d & 1);
-	/* carry flag unchanged */
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return res;
+    bc = (res & (~d | 1)) | (~d & 1);
+    /* carry flag unchanged */
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the INC instruction and side effects.
 ****************************************************************************/
-u8 inc_byte(u8 d)
+u8
+inc_byte(u8 d)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 cc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 cc;
 
-	res = d + 1;
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d + 1;
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = ((1 & d) | (~res)) & (1 | d);
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return (u8)res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = ((1 & d) | (~res)) & (1 | d);
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the INC instruction and side effects.
 ****************************************************************************/
-u16 inc_word(u16 d)
+u16
+inc_word(u16 d)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 cc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 cc;
 
-	res = d + 1;
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d + 1;
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = (1 & d) | ((~res) & (1 | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return (u16)res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = (1 & d) | ((~res) & (1 | d));
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the INC instruction and side effects.
 ****************************************************************************/
-u32 inc_long(u32 d)
+u32
+inc_long(u32 d)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 cc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 cc;
 
-	res = d + 1;
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d + 1;
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the carry chain  SEE NOTE AT TOP. */
-	cc = (1 & d) | ((~res) & (1 | d));
-	CONDITIONAL_SET_FLAG(XOR2(cc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
-	return res;
+    /* calculate the carry chain  SEE NOTE AT TOP. */
+    cc = (1 & d) | ((~res) & (1 | d));
+    CONDITIONAL_SET_FLAG(XOR2(cc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the OR instruction and side effects.
 ****************************************************************************/
-u8 or_byte(u8 d, u8 s)
+u8
+or_byte(u8 d, u8 s)
 {
-	register u8 res;    /* all operands in native machine order */
+    register u8 res;            /* all operands in native machine order */
 
-	res = d | s;
-	CLEAR_FLAG(F_OF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
-	return res;
+    res = d | s;
+    CLEAR_FLAG(F_OF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the OR instruction and side effects.
 ****************************************************************************/
-u16 or_word(u16 d, u16 s)
+u16
+or_word(u16 d, u16 s)
 {
-	register u16 res;   /* all operands in native machine order */
+    register u16 res;           /* all operands in native machine order */
 
-	res = d | s;
-	/* set the carry flag to be bit 8 */
-	CLEAR_FLAG(F_OF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	return res;
+    res = d | s;
+    /* set the carry flag to be bit 8 */
+    CLEAR_FLAG(F_OF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the OR instruction and side effects.
 ****************************************************************************/
-u32 or_long(u32 d, u32 s)
+u32
+or_long(u32 d, u32 s)
 {
-	register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
 
-	res = d | s;
+    res = d | s;
 
-	/* set the carry flag to be bit 8 */
-	CLEAR_FLAG(F_OF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	return res;
+    /* set the carry flag to be bit 8 */
+    CLEAR_FLAG(F_OF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the OR instruction and side effects.
 ****************************************************************************/
-u8 neg_byte(u8 s)
+u8
+neg_byte(u8 s)
 {
     register u8 res;
     register u8 bc;
 
-	CONDITIONAL_SET_FLAG(s != 0, F_CF);
-	res = (u8)-s;
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
-	/* calculate the borrow chain --- modified such that d=0.
-	   substitutiing d=0 into     bc= res&(~d|s)|(~d&s);
-	   (the one used for sub) and simplifying, since ~d=0xff...,
-	   ~d|s == 0xffff..., and res&0xfff... == res.  Similarly
-	   ~d&s == s.  So the simplified result is: */
-	bc = res | s;
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return res;
+    CONDITIONAL_SET_FLAG(s != 0, F_CF);
+    res = (u8) - s;
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
+    /* calculate the borrow chain --- modified such that d=0.
+       substitutiing d=0 into     bc= res&(~d|s)|(~d&s);
+       (the one used for sub) and simplifying, since ~d=0xff...,
+       ~d|s == 0xffff..., and res&0xfff... == res.  Similarly
+       ~d&s == s.  So the simplified result is: */
+    bc = res | s;
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the OR instruction and side effects.
 ****************************************************************************/
-u16 neg_word(u16 s)
-{
-	register u16 res;
-	register u16 bc;
-
-	CONDITIONAL_SET_FLAG(s != 0, F_CF);
-	res = (u16)-s;
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-
-	/* calculate the borrow chain --- modified such that d=0.
-	   substitutiing d=0 into     bc= res&(~d|s)|(~d&s);
-	   (the one used for sub) and simplifying, since ~d=0xff...,
-	   ~d|s == 0xffff..., and res&0xfff... == res.  Similarly
-	   ~d&s == s.  So the simplified result is: */
-	bc = res | s;
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return res;
+u16
+neg_word(u16 s)
+{
+    register u16 res;
+    register u16 bc;
+
+    CONDITIONAL_SET_FLAG(s != 0, F_CF);
+    res = (u16) - s;
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+
+    /* calculate the borrow chain --- modified such that d=0.
+       substitutiing d=0 into     bc= res&(~d|s)|(~d&s);
+       (the one used for sub) and simplifying, since ~d=0xff...,
+       ~d|s == 0xffff..., and res&0xfff... == res.  Similarly
+       ~d&s == s.  So the simplified result is: */
+    bc = res | s;
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the OR instruction and side effects.
 ****************************************************************************/
-u32 neg_long(u32 s)
+u32
+neg_long(u32 s)
 {
-	register u32 res;
-	register u32 bc;
-
-	CONDITIONAL_SET_FLAG(s != 0, F_CF);
-	res = (u32)-s;
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    register u32 res;
+    register u32 bc;
 
-	/* calculate the borrow chain --- modified such that d=0.
-	   substitutiing d=0 into     bc= res&(~d|s)|(~d&s);
-	   (the one used for sub) and simplifying, since ~d=0xff...,
-	   ~d|s == 0xffff..., and res&0xfff... == res.  Similarly
-	   ~d&s == s.  So the simplified result is: */
-	bc = res | s;
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return res;
+    CONDITIONAL_SET_FLAG(s != 0, F_CF);
+    res = (u32) - s;
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+
+    /* calculate the borrow chain --- modified such that d=0.
+       substitutiing d=0 into     bc= res&(~d|s)|(~d&s);
+       (the one used for sub) and simplifying, since ~d=0xff...,
+       ~d|s == 0xffff..., and res&0xfff... == res.  Similarly
+       ~d&s == s.  So the simplified result is: */
+    bc = res | s;
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the NOT instruction and side effects.
 ****************************************************************************/
-u8 not_byte(u8 s)
+u8
+not_byte(u8 s)
 {
-	return ~s;
+    return ~s;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the NOT instruction and side effects.
 ****************************************************************************/
-u16 not_word(u16 s)
+u16
+not_word(u16 s)
 {
-	return ~s;
+    return ~s;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the NOT instruction and side effects.
 ****************************************************************************/
-u32 not_long(u32 s)
+u32
+not_long(u32 s)
 {
-	return ~s;
+    return ~s;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the RCL instruction and side effects.
 ****************************************************************************/
-u8 rcl_byte(u8 d, u8 s)
+u8
+rcl_byte(u8 d, u8 s)
 {
     register unsigned int res, cnt, mask, cf;
 
     /* s is the rotate distance.  It varies from 0 - 8. */
-	/* have
+    /* have
 
        CF  B_7 B_6 B_5 B_4 B_3 B_2 B_1 B_0 
 
@@ -867,9 +905,9 @@ u8 rcl_byte(u8 d, u8 s)
        2) B_(7) .. B_(n)  <-  b_(8-(n+1)) .. b_0
        3) B_(n-1) <- cf
        4) B_(n-2) .. B_0 <-  b_7 .. b_(8-(n-1))
-	 */
-	res = d;
-	if ((cnt = s % 9) != 0) {
+     */
+    res = d;
+    if ((cnt = s % 9) != 0) {
         /* extract the new CARRY FLAG. */
         /* CF <-  b_(8-n)             */
         cf = (d >> (8 - cnt)) & 0x1;
@@ -878,7 +916,7 @@ u8 rcl_byte(u8 d, u8 s)
            into the range B_7 .. B_cnt */
         /* B_(7) .. B_(n)  <-  b_(8-(n+1)) .. b_0  */
         /* note that the right hand side done by the mask */
-		res = (d << cnt) & 0xff;
+        res = (d << cnt) & 0xff;
 
         /* now the high stuff which rotated around 
            into the positions B_cnt-2 .. B_0 */
@@ -890,81 +928,81 @@ u8 rcl_byte(u8 d, u8 s)
         res |= (d >> (9 - cnt)) & mask;
 
         /* if the carry flag was set, or it in.  */
-		if (ACCESS_FLAG(F_CF)) {     /* carry flag is set */
+        if (ACCESS_FLAG(F_CF)) {        /* carry flag is set */
             /*  B_(n-1) <- cf */
             res |= 1 << (cnt - 1);
         }
         /* set the new carry flag, based on the variable "cf" */
-		CONDITIONAL_SET_FLAG(cf, F_CF);
+        CONDITIONAL_SET_FLAG(cf, F_CF);
         /* OVERFLOW is set *IFF* cnt==1, then it is the 
            xor of CF and the most significant bit.  Blecck. */
         /* parenthesized this expression since it appears to
            be causing OF to be misset */
-        CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 6) & 0x2)),
-							 F_OF);
+        CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 6) & 0x2)), F_OF);
 
     }
-	return (u8)res;
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the RCL instruction and side effects.
 ****************************************************************************/
-u16 rcl_word(u16 d, u8 s)
+u16
+rcl_word(u16 d, u8 s)
 {
-	register unsigned int res, cnt, mask, cf;
+    register unsigned int res, cnt, mask, cf;
 
-	res = d;
-	if ((cnt = s % 17) != 0) {
-		cf = (d >> (16 - cnt)) & 0x1;
-		res = (d << cnt) & 0xffff;
-		mask = (1 << (cnt - 1)) - 1;
-		res |= (d >> (17 - cnt)) & mask;
-		if (ACCESS_FLAG(F_CF)) {
-			res |= 1 << (cnt - 1);
-		}
-		CONDITIONAL_SET_FLAG(cf, F_CF);
-		CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 14) & 0x2)),
-							 F_OF);
-	}
-	return (u16)res;
+    res = d;
+    if ((cnt = s % 17) != 0) {
+        cf = (d >> (16 - cnt)) & 0x1;
+        res = (d << cnt) & 0xffff;
+        mask = (1 << (cnt - 1)) - 1;
+        res |= (d >> (17 - cnt)) & mask;
+        if (ACCESS_FLAG(F_CF)) {
+            res |= 1 << (cnt - 1);
+        }
+        CONDITIONAL_SET_FLAG(cf, F_CF);
+        CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 14) & 0x2)), F_OF);
+    }
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the RCL instruction and side effects.
 ****************************************************************************/
-u32 rcl_long(u32 d, u8 s)
+u32
+rcl_long(u32 d, u8 s)
 {
-	register u32 res, cnt, mask, cf;
+    register u32 res, cnt, mask, cf;
 
-	res = d;
-	if ((cnt = s % 33) != 0) {
-		cf = (d >> (32 - cnt)) & 0x1;
-		res = (d << cnt) & 0xffffffff;
-		mask = (1 << (cnt - 1)) - 1;
-		res |= (d >> (33 - cnt)) & mask;
-		if (ACCESS_FLAG(F_CF)) {     /* carry flag is set */
-			res |= 1 << (cnt - 1);
-		}
-		CONDITIONAL_SET_FLAG(cf, F_CF);
-		CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 30) & 0x2)),
-							 F_OF);
-	}
-	return res;
+    res = d;
+    if ((cnt = s % 33) != 0) {
+        cf = (d >> (32 - cnt)) & 0x1;
+        res = (d << cnt) & 0xffffffff;
+        mask = (1 << (cnt - 1)) - 1;
+        res |= (d >> (33 - cnt)) & mask;
+        if (ACCESS_FLAG(F_CF)) {        /* carry flag is set */
+            res |= 1 << (cnt - 1);
+        }
+        CONDITIONAL_SET_FLAG(cf, F_CF);
+        CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 30) & 0x2)), F_OF);
+    }
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the RCR instruction and side effects.
 ****************************************************************************/
-u8 rcr_byte(u8 d, u8 s)
+u8
+rcr_byte(u8 d, u8 s)
 {
-	u32	res, cnt;
-	u32	mask, cf, ocf = 0;
+    u32 res, cnt;
+    u32 mask, cf, ocf = 0;
 
-	/* rotate right through carry */
+    /* rotate right through carry */
     /* 
        s is the rotate distance.  It varies from 0 - 8.
        d is the byte object rotated.  
@@ -985,9 +1023,9 @@ u8 rcr_byte(u8 d, u8 s)
        2) B_(8-(n+1)) .. B_(0)  <-  b_(7) .. b_(n)
        3) B_(8-n) <- cf
        4) B_(7) .. B_(8-(n-1)) <-  b_(n-2) .. b_(0)
-	 */
-	res = d;
-	if ((cnt = s % 9) != 0) {
+     */
+    res = d;
+    if ((cnt = s % 9) != 0) {
         /* extract the new CARRY FLAG. */
         /* CF <-  b_(n-1)              */
         if (cnt == 1) {
@@ -996,11 +1034,12 @@ u8 rcr_byte(u8 d, u8 s)
                0 if flag not set
                non-zero if flag is set.
                doing access_flag(..) != 0 casts that into either 
-			   0..1 in any representation of the flags register
+               0..1 in any representation of the flags register
                (i.e. packed bit array or unpacked.)
              */
-			ocf = ACCESS_FLAG(F_CF) != 0;
-        } else
+            ocf = ACCESS_FLAG(F_CF) != 0;
+        }
+        else
             cf = (d >> (cnt - 1)) & 0x1;
 
         /* B_(8-(n+1)) .. B_(0)  <-  b_(7) .. b_n  */
@@ -1022,93 +1061,95 @@ u8 rcr_byte(u8 d, u8 s)
         res |= (d << (9 - cnt));
 
         /* if the carry flag was set, or it in.  */
-		if (ACCESS_FLAG(F_CF)) {     /* carry flag is set */
+        if (ACCESS_FLAG(F_CF)) {        /* carry flag is set */
             /*  B_(8-n) <- cf */
             res |= 1 << (8 - cnt);
         }
         /* set the new carry flag, based on the variable "cf" */
-		CONDITIONAL_SET_FLAG(cf, F_CF);
+        CONDITIONAL_SET_FLAG(cf, F_CF);
         /* OVERFLOW is set *IFF* cnt==1, then it is the 
            xor of CF and the most significant bit.  Blecck. */
         /* parenthesized... */
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 6) & 0x2)),
-								 F_OF);
-		}
-	}
-	return (u8)res;
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 6) & 0x2)), F_OF);
+        }
+    }
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the RCR instruction and side effects.
 ****************************************************************************/
-u16 rcr_word(u16 d, u8 s)
+u16
+rcr_word(u16 d, u8 s)
 {
-	u32 res, cnt;
-	u32	mask, cf, ocf = 0;
+    u32 res, cnt;
+    u32 mask, cf, ocf = 0;
 
-	/* rotate right through carry */
-	res = d;
-	if ((cnt = s % 17) != 0) {
-		if (cnt == 1) {
-			cf = d & 0x1;
-			ocf = ACCESS_FLAG(F_CF) != 0;
-		} else
-			cf = (d >> (cnt - 1)) & 0x1;
-		mask = (1 << (16 - cnt)) - 1;
-		res = (d >> cnt) & mask;
-		res |= (d << (17 - cnt));
-		if (ACCESS_FLAG(F_CF)) {
-			res |= 1 << (16 - cnt);
-		}
-		CONDITIONAL_SET_FLAG(cf, F_CF);
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 14) & 0x2)),
-								 F_OF);
-		}
-	}
-	return (u16)res;
+    /* rotate right through carry */
+    res = d;
+    if ((cnt = s % 17) != 0) {
+        if (cnt == 1) {
+            cf = d & 0x1;
+            ocf = ACCESS_FLAG(F_CF) != 0;
+        }
+        else
+            cf = (d >> (cnt - 1)) & 0x1;
+        mask = (1 << (16 - cnt)) - 1;
+        res = (d >> cnt) & mask;
+        res |= (d << (17 - cnt));
+        if (ACCESS_FLAG(F_CF)) {
+            res |= 1 << (16 - cnt);
+        }
+        CONDITIONAL_SET_FLAG(cf, F_CF);
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 14) & 0x2)), F_OF);
+        }
+    }
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the RCR instruction and side effects.
 ****************************************************************************/
-u32 rcr_long(u32 d, u8 s)
-{
-	u32 res, cnt;
-	u32 mask, cf, ocf = 0;
-
-	/* rotate right through carry */
-	res = d;
-	if ((cnt = s % 33) != 0) {
-		if (cnt == 1) {
-			cf = d & 0x1;
-			ocf = ACCESS_FLAG(F_CF) != 0;
-		} else
-			cf = (d >> (cnt - 1)) & 0x1;
-		mask = (1 << (32 - cnt)) - 1;
-		res = (d >> cnt) & mask;
-		if (cnt != 1)
-			res |= (d << (33 - cnt));
-		if (ACCESS_FLAG(F_CF)) {     /* carry flag is set */
-			res |= 1 << (32 - cnt);
-		}
-		CONDITIONAL_SET_FLAG(cf, F_CF);
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 30) & 0x2)),
-								 F_OF);
-		}
-	}
-	return res;
+u32
+rcr_long(u32 d, u8 s)
+{
+    u32 res, cnt;
+    u32 mask, cf, ocf = 0;
+
+    /* rotate right through carry */
+    res = d;
+    if ((cnt = s % 33) != 0) {
+        if (cnt == 1) {
+            cf = d & 0x1;
+            ocf = ACCESS_FLAG(F_CF) != 0;
+        }
+        else
+            cf = (d >> (cnt - 1)) & 0x1;
+        mask = (1 << (32 - cnt)) - 1;
+        res = (d >> cnt) & mask;
+        if (cnt != 1)
+            res |= (d << (33 - cnt));
+        if (ACCESS_FLAG(F_CF)) {        /* carry flag is set */
+            res |= 1 << (32 - cnt);
+        }
+        CONDITIONAL_SET_FLAG(cf, F_CF);
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 30) & 0x2)), F_OF);
+        }
+    }
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ROL instruction and side effects.
 ****************************************************************************/
-u8 rol_byte(u8 d, u8 s)
+u8
+rol_byte(u8 d, u8 s)
 {
     register unsigned int res, cnt, mask;
 
@@ -1127,87 +1168,90 @@ u8 rol_byte(u8 d, u8 s)
        IF n > 0 
        1) B_(7) .. B_(n)  <-  b_(8-(n+1)) .. b_(0)
        2) B_(n-1) .. B_(0) <-  b_(7) .. b_(8-n)
-	 */
+     */
     res = d;
-	if ((cnt = s % 8) != 0) {
-		/* B_(7) .. B_(n)  <-  b_(8-(n+1)) .. b_(0) */
-		res = (d << cnt);
+    if ((cnt = s % 8) != 0) {
+        /* B_(7) .. B_(n)  <-  b_(8-(n+1)) .. b_(0) */
+        res = (d << cnt);
 
-		/* B_(n-1) .. B_(0) <-  b_(7) .. b_(8-n) */
-		mask = (1 << cnt) - 1;
-		res |= (d >> (8 - cnt)) & mask;
+        /* B_(n-1) .. B_(0) <-  b_(7) .. b_(8-n) */
+        mask = (1 << cnt) - 1;
+        res |= (d >> (8 - cnt)) & mask;
 
-		/* set the new carry flag, Note that it is the low order
-		   bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
-		/* OVERFLOW is set *IFF* s==1, then it is the
-		   xor of CF and the most significant bit.  Blecck. */
-		CONDITIONAL_SET_FLAG(s == 1 &&
-							 XOR2((res & 0x1) + ((res >> 6) & 0x2)),
-							 F_OF);
-	} if (s != 0) {
-		/* set the new carry flag, Note that it is the low order
-		   bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
-	}
-	return (u8)res;
+        /* set the new carry flag, Note that it is the low order
+           bit of the result!!!                               */
+        CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+        /* OVERFLOW is set *IFF* s==1, then it is the
+           xor of CF and the most significant bit.  Blecck. */
+        CONDITIONAL_SET_FLAG(s == 1 &&
+                             XOR2((res & 0x1) + ((res >> 6) & 0x2)), F_OF);
+    }
+    if (s != 0) {
+        /* set the new carry flag, Note that it is the low order
+           bit of the result!!!                               */
+        CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+    }
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ROL instruction and side effects.
 ****************************************************************************/
-u16 rol_word(u16 d, u8 s)
+u16
+rol_word(u16 d, u8 s)
 {
     register unsigned int res, cnt, mask;
 
-	res = d;
-	if ((cnt = s % 16) != 0) {
-		res = (d << cnt);
-		mask = (1 << cnt) - 1;
-		res |= (d >> (16 - cnt)) & mask;
-		CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
-		CONDITIONAL_SET_FLAG(s == 1 &&
-							 XOR2((res & 0x1) + ((res >> 14) & 0x2)),
-							 F_OF);
-	} if (s != 0) {
-		/* set the new carry flag, Note that it is the low order
-		   bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
-	}
-	return (u16)res;
+    res = d;
+    if ((cnt = s % 16) != 0) {
+        res = (d << cnt);
+        mask = (1 << cnt) - 1;
+        res |= (d >> (16 - cnt)) & mask;
+        CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+        CONDITIONAL_SET_FLAG(s == 1 &&
+                             XOR2((res & 0x1) + ((res >> 14) & 0x2)), F_OF);
+    }
+    if (s != 0) {
+        /* set the new carry flag, Note that it is the low order
+           bit of the result!!!                               */
+        CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+    }
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ROL instruction and side effects.
 ****************************************************************************/
-u32 rol_long(u32 d, u8 s)
+u32
+rol_long(u32 d, u8 s)
 {
     register u32 res, cnt, mask;
 
-	res = d;
-	if ((cnt = s % 32) != 0) {
-		res = (d << cnt);
-		mask = (1 << cnt) - 1;
-		res |= (d >> (32 - cnt)) & mask;
-		CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
-		CONDITIONAL_SET_FLAG(s == 1 &&
-							 XOR2((res & 0x1) + ((res >> 30) & 0x2)),
-							 F_OF);
-	} if (s != 0) {
-		/* set the new carry flag, Note that it is the low order
-		   bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
-	}
-	return res;
+    res = d;
+    if ((cnt = s % 32) != 0) {
+        res = (d << cnt);
+        mask = (1 << cnt) - 1;
+        res |= (d >> (32 - cnt)) & mask;
+        CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+        CONDITIONAL_SET_FLAG(s == 1 &&
+                             XOR2((res & 0x1) + ((res >> 30) & 0x2)), F_OF);
+    }
+    if (s != 0) {
+        /* set the new carry flag, Note that it is the low order
+           bit of the result!!!                               */
+        CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+    }
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ROR instruction and side effects.
 ****************************************************************************/
-u8 ror_byte(u8 d, u8 s)
+u8
+ror_byte(u8 d, u8 s)
 {
     register unsigned int res, cnt, mask;
 
@@ -1225,9 +1269,9 @@ u8 ror_byte(u8 d, u8 s)
        IF n > 0 
        1) B_(8-(n+1)) .. B_(0)  <-  b_(7) .. b_(n)
        2) B_(7) .. B_(8-n) <-  b_(n-1) .. b_(0)
-	 */
-	res = d;
-	if ((cnt = s % 8) != 0) {           /* not a typo, do nada if cnt==0 */
+     */
+    res = d;
+    if ((cnt = s % 8) != 0) {   /* not a typo, do nada if cnt==0 */
         /* B_(7) .. B_(8-n) <-  b_(n-1) .. b_(0) */
         res = (d << (8 - cnt));
 
@@ -1237,291 +1281,317 @@ u8 ror_byte(u8 d, u8 s)
 
         /* set the new carry flag, Note that it is the low order 
            bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
-		/* OVERFLOW is set *IFF* s==1, then it is the
+        CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
+        /* OVERFLOW is set *IFF* s==1, then it is the
            xor of the two most significant bits.  Blecck. */
-		CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 6), F_OF);
-	} else if (s != 0) {
-		/* set the new carry flag, Note that it is the low order
-		   bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
-	}
-	return (u8)res;
+        CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 6), F_OF);
+    }
+    else if (s != 0) {
+        /* set the new carry flag, Note that it is the low order
+           bit of the result!!!                               */
+        CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
+    }
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ROR instruction and side effects.
 ****************************************************************************/
-u16 ror_word(u16 d, u8 s)
+u16
+ror_word(u16 d, u8 s)
 {
     register unsigned int res, cnt, mask;
 
-	res = d;
-	if ((cnt = s % 16) != 0) {
-		res = (d << (16 - cnt));
-		mask = (1 << (16 - cnt)) - 1;
-		res |= (d >> (cnt)) & mask;
-		CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
-		CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 14), F_OF);
-	} else if (s != 0) {
-		/* set the new carry flag, Note that it is the low order
-		   bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
-	}
-	return (u16)res;
+    res = d;
+    if ((cnt = s % 16) != 0) {
+        res = (d << (16 - cnt));
+        mask = (1 << (16 - cnt)) - 1;
+        res |= (d >> (cnt)) & mask;
+        CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
+        CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 14), F_OF);
+    }
+    else if (s != 0) {
+        /* set the new carry flag, Note that it is the low order
+           bit of the result!!!                               */
+        CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
+    }
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the ROR instruction and side effects.
 ****************************************************************************/
-u32 ror_long(u32 d, u8 s)
+u32
+ror_long(u32 d, u8 s)
 {
-	register u32 res, cnt, mask;
+    register u32 res, cnt, mask;
 
-	res = d;
-	if ((cnt = s % 32) != 0) {
-		res = (d << (32 - cnt));
-		mask = (1 << (32 - cnt)) - 1;
-		res |= (d >> (cnt)) & mask;
-		CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
-		CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 30), F_OF);
-	} else if (s != 0) {
-		/* set the new carry flag, Note that it is the low order
-		   bit of the result!!!                               */
-		CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
-	}
-	return res;
+    res = d;
+    if ((cnt = s % 32) != 0) {
+        res = (d << (32 - cnt));
+        mask = (1 << (32 - cnt)) - 1;
+        res |= (d >> (cnt)) & mask;
+        CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
+        CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 30), F_OF);
+    }
+    else if (s != 0) {
+        /* set the new carry flag, Note that it is the low order
+           bit of the result!!!                               */
+        CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
+    }
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHL instruction and side effects.
 ****************************************************************************/
-u8 shl_byte(u8 d, u8 s)
+u8
+shl_byte(u8 d, u8 s)
 {
-	unsigned int cnt, res, cf;
-
-	if (s < 8) {
-		cnt = s % 8;
+    unsigned int cnt, res, cf;
 
-		/* last bit shifted out goes into carry flag */
-		if (cnt > 0) {
-			res = d << cnt;
-			cf = d & (1 << (8 - cnt));
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = (u8) d;
-		}
+    if (s < 8) {
+        cnt = s % 8;
+
+        /* last bit shifted out goes into carry flag */
+        if (cnt > 0) {
+            res = d << cnt;
+            cf = d & (1 << (8 - cnt));
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = (u8) d;
+        }
 
-		if (cnt == 1) {
-			/* Needs simplification. */
-			CONDITIONAL_SET_FLAG(
-									(((res & 0x80) == 0x80) ^
-									 (ACCESS_FLAG(F_CF) != 0)),
-			/* was (M.x86.R_FLG&F_CF)==F_CF)), */
-									F_OF);
-		} else {
-			CLEAR_FLAG(F_OF);
-		}
-	} else {
-		res = 0;
-		CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80, F_CF);
-		CLEAR_FLAG(F_OF);
-		CLEAR_FLAG(F_SF);
-		SET_FLAG(F_PF);
-		SET_FLAG(F_ZF);
+        if (cnt == 1) {
+            /* Needs simplification. */
+            CONDITIONAL_SET_FLAG((((res & 0x80) == 0x80) ^
+                                  (ACCESS_FLAG(F_CF) != 0)),
+                                 /* was (M.x86.R_FLG&F_CF)==F_CF)), */
+                                 F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
+        }
     }
-	return (u8)res;
+    else {
+        res = 0;
+        CONDITIONAL_SET_FLAG((d << (s - 1)) & 0x80, F_CF);
+        CLEAR_FLAG(F_OF);
+        CLEAR_FLAG(F_SF);
+        SET_FLAG(F_PF);
+        SET_FLAG(F_ZF);
+    }
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHL instruction and side effects.
 ****************************************************************************/
-u16 shl_word(u16 d, u8 s)
+u16
+shl_word(u16 d, u8 s)
 {
     unsigned int cnt, res, cf;
 
-	if (s < 16) {
-		cnt = s % 16;
-		if (cnt > 0) {
-			res = d << cnt;
-			cf = d & (1 << (16 - cnt));
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = (u16) d;
-		}
-
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(
-									(((res & 0x8000) == 0x8000) ^
-									 (ACCESS_FLAG(F_CF) != 0)),
-									F_OF);
-        } else {
-			CLEAR_FLAG(F_OF);
-        }
-    } else {
-		res = 0;
-		CONDITIONAL_SET_FLAG((d << (s-1)) & 0x8000, F_CF);
-		CLEAR_FLAG(F_OF);
-		CLEAR_FLAG(F_SF);
-		SET_FLAG(F_PF);
-		SET_FLAG(F_ZF);
-	}
-	return (u16)res;
+    if (s < 16) {
+        cnt = s % 16;
+        if (cnt > 0) {
+            res = d << cnt;
+            cf = d & (1 << (16 - cnt));
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = (u16) d;
+        }
+
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG((((res & 0x8000) == 0x8000) ^
+                                  (ACCESS_FLAG(F_CF) != 0)), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
+        }
+    }
+    else {
+        res = 0;
+        CONDITIONAL_SET_FLAG((d << (s - 1)) & 0x8000, F_CF);
+        CLEAR_FLAG(F_OF);
+        CLEAR_FLAG(F_SF);
+        SET_FLAG(F_PF);
+        SET_FLAG(F_ZF);
+    }
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHL instruction and side effects.
 ****************************************************************************/
-u32 shl_long(u32 d, u8 s)
-{
-	unsigned int cnt, res, cf;
-
-	if (s < 32) {
-		cnt = s % 32;
-		if (cnt > 0) {
-			res = d << cnt;
-			cf = d & (1 << (32 - cnt));
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = d;
-		}
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
-								  (ACCESS_FLAG(F_CF) != 0)), F_OF);
-		} else {
-			CLEAR_FLAG(F_OF);
-		}
-	} else {
-		res = 0;
-		CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80000000, F_CF);
-		CLEAR_FLAG(F_OF);
-		CLEAR_FLAG(F_SF);
-		SET_FLAG(F_PF);
-		SET_FLAG(F_ZF);
-	}
-	return res;
+u32
+shl_long(u32 d, u8 s)
+{
+    unsigned int cnt, res, cf;
+
+    if (s < 32) {
+        cnt = s % 32;
+        if (cnt > 0) {
+            res = d << cnt;
+            cf = d & (1 << (32 - cnt));
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = d;
+        }
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
+                                  (ACCESS_FLAG(F_CF) != 0)), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
+        }
+    }
+    else {
+        res = 0;
+        CONDITIONAL_SET_FLAG((d << (s - 1)) & 0x80000000, F_CF);
+        CLEAR_FLAG(F_OF);
+        CLEAR_FLAG(F_SF);
+        SET_FLAG(F_PF);
+        SET_FLAG(F_ZF);
+    }
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHR instruction and side effects.
 ****************************************************************************/
-u8 shr_byte(u8 d, u8 s)
-{
-	unsigned int cnt, res, cf;
-
-	if (s < 8) {
-		cnt = s % 8;
-		if (cnt > 0) {
-			cf = d & (1 << (cnt - 1));
-			res = d >> cnt;
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = (u8) d;
-		}
-
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(res >> 6), F_OF);
-		} else {
-			CLEAR_FLAG(F_OF);
-		}
-	} else {
-		res = 0;
-		CONDITIONAL_SET_FLAG((d >> (s-1)) & 0x1, F_CF);
-		CLEAR_FLAG(F_OF);
-		CLEAR_FLAG(F_SF);
-		SET_FLAG(F_PF);
-		SET_FLAG(F_ZF);
-	}
-	return (u8)res;
+u8
+shr_byte(u8 d, u8 s)
+{
+    unsigned int cnt, res, cf;
+
+    if (s < 8) {
+        cnt = s % 8;
+        if (cnt > 0) {
+            cf = d & (1 << (cnt - 1));
+            res = d >> cnt;
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = (u8) d;
+        }
+
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG(XOR2(res >> 6), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
+        }
+    }
+    else {
+        res = 0;
+        CONDITIONAL_SET_FLAG((d >> (s - 1)) & 0x1, F_CF);
+        CLEAR_FLAG(F_OF);
+        CLEAR_FLAG(F_SF);
+        SET_FLAG(F_PF);
+        SET_FLAG(F_ZF);
+    }
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHR instruction and side effects.
 ****************************************************************************/
-u16 shr_word(u16 d, u8 s)
+u16
+shr_word(u16 d, u8 s)
 {
-	unsigned int cnt, res, cf;
+    unsigned int cnt, res, cf;
 
-	if (s < 16) {
-		cnt = s % 16;
-		if (cnt > 0) {
-			cf = d & (1 << (cnt - 1));
-			res = d >> cnt;
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = d;
-		}
+    if (s < 16) {
+        cnt = s % 16;
+        if (cnt > 0) {
+            cf = d & (1 << (cnt - 1));
+            res = d >> cnt;
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = d;
+        }
 
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
-        } else {
-			CLEAR_FLAG(F_OF);
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
         }
-	} else {
-		res = 0;
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-		SET_FLAG(F_ZF);
-		CLEAR_FLAG(F_SF);
-		CLEAR_FLAG(F_PF);
+        else {
+            CLEAR_FLAG(F_OF);
+        }
+    }
+    else {
+        res = 0;
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+        SET_FLAG(F_ZF);
+        CLEAR_FLAG(F_SF);
+        CLEAR_FLAG(F_PF);
     }
-	return (u16)res;
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHR instruction and side effects.
 ****************************************************************************/
-u32 shr_long(u32 d, u8 s)
+u32
+shr_long(u32 d, u8 s)
 {
-	unsigned int cnt, res, cf;
+    unsigned int cnt, res, cf;
 
-	if (s < 32) {
-		cnt = s % 32;
-		if (cnt > 0) {
-			cf = d & (1 << (cnt - 1));
-			res = d >> cnt;
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-        } else {
+    if (s < 32) {
+        cnt = s % 32;
+        if (cnt > 0) {
+            cf = d & (1 << (cnt - 1));
+            res = d >> cnt;
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
             res = d;
         }
         if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
-        } else {
-			CLEAR_FLAG(F_OF);
+            CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
         }
-    } else {
+    }
+    else {
         res = 0;
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-		SET_FLAG(F_ZF);
-		CLEAR_FLAG(F_SF);
-		CLEAR_FLAG(F_PF);
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+        SET_FLAG(F_ZF);
+        CLEAR_FLAG(F_SF);
+        CLEAR_FLAG(F_PF);
     }
     return res;
 }
@@ -1530,592 +1600,634 @@ u32 shr_long(u32 d, u8 s)
 REMARKS:
 Implements the SAR instruction and side effects.
 ****************************************************************************/
-u8 sar_byte(u8 d, u8 s)
+u8
+sar_byte(u8 d, u8 s)
 {
-	unsigned int cnt, res, cf, mask, sf;
+    unsigned int cnt, res, cf, mask, sf;
 
-	res = d;
-	sf = d & 0x80;
+    res = d;
+    sf = d & 0x80;
     cnt = s % 8;
-	if (cnt > 0 && cnt < 8) {
-		mask = (1 << (8 - cnt)) - 1;
-		cf = d & (1 << (cnt - 1));
-		res = (d >> cnt) & mask;
-		CONDITIONAL_SET_FLAG(cf, F_CF);
-		if (sf) {
-			res |= ~mask;
-		}
-		CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-		CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-    } else if (cnt >= 8) {
+    if (cnt > 0 && cnt < 8) {
+        mask = (1 << (8 - cnt)) - 1;
+        cf = d & (1 << (cnt - 1));
+        res = (d >> cnt) & mask;
+        CONDITIONAL_SET_FLAG(cf, F_CF);
+        if (sf) {
+            res |= ~mask;
+        }
+        CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+        CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    }
+    else if (cnt >= 8) {
         if (sf) {
             res = 0xff;
-			SET_FLAG(F_CF);
-			CLEAR_FLAG(F_ZF);
-			SET_FLAG(F_SF);
-			SET_FLAG(F_PF);
-		} else {
-			res = 0;
-			CLEAR_FLAG(F_CF);
-			SET_FLAG(F_ZF);
-			CLEAR_FLAG(F_SF);
-			CLEAR_FLAG(F_PF);
-		}
-	}
-	return (u8)res;
+            SET_FLAG(F_CF);
+            CLEAR_FLAG(F_ZF);
+            SET_FLAG(F_SF);
+            SET_FLAG(F_PF);
+        }
+        else {
+            res = 0;
+            CLEAR_FLAG(F_CF);
+            SET_FLAG(F_ZF);
+            CLEAR_FLAG(F_SF);
+            CLEAR_FLAG(F_PF);
+        }
+    }
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SAR instruction and side effects.
 ****************************************************************************/
-u16 sar_word(u16 d, u8 s)
+u16
+sar_word(u16 d, u8 s)
 {
     unsigned int cnt, res, cf, mask, sf;
 
     sf = d & 0x8000;
     cnt = s % 16;
-	res = d;
-	if (cnt > 0 && cnt < 16) {
+    res = d;
+    if (cnt > 0 && cnt < 16) {
         mask = (1 << (16 - cnt)) - 1;
         cf = d & (1 << (cnt - 1));
         res = (d >> cnt) & mask;
-		CONDITIONAL_SET_FLAG(cf, F_CF);
+        CONDITIONAL_SET_FLAG(cf, F_CF);
         if (sf) {
             res |= ~mask;
         }
-		CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-		CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-		CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-    } else if (cnt >= 16) {
+        CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+        CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+        CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    }
+    else if (cnt >= 16) {
         if (sf) {
             res = 0xffff;
-			SET_FLAG(F_CF);
-			CLEAR_FLAG(F_ZF);
-			SET_FLAG(F_SF);
-			SET_FLAG(F_PF);
-        } else {
+            SET_FLAG(F_CF);
+            CLEAR_FLAG(F_ZF);
+            SET_FLAG(F_SF);
+            SET_FLAG(F_PF);
+        }
+        else {
             res = 0;
-			CLEAR_FLAG(F_CF);
-			SET_FLAG(F_ZF);
-			CLEAR_FLAG(F_SF);
-			CLEAR_FLAG(F_PF);
+            CLEAR_FLAG(F_CF);
+            SET_FLAG(F_ZF);
+            CLEAR_FLAG(F_SF);
+            CLEAR_FLAG(F_PF);
         }
     }
-	return (u16)res;
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SAR instruction and side effects.
 ****************************************************************************/
-u32 sar_long(u32 d, u8 s)
+u32
+sar_long(u32 d, u8 s)
 {
     u32 cnt, res, cf, mask, sf;
 
     sf = d & 0x80000000;
     cnt = s % 32;
-	res = d;
-	if (cnt > 0 && cnt < 32) {
+    res = d;
+    if (cnt > 0 && cnt < 32) {
         mask = (1 << (32 - cnt)) - 1;
-		cf = d & (1 << (cnt - 1));
+        cf = d & (1 << (cnt - 1));
         res = (d >> cnt) & mask;
-		CONDITIONAL_SET_FLAG(cf, F_CF);
+        CONDITIONAL_SET_FLAG(cf, F_CF);
         if (sf) {
             res |= ~mask;
         }
-		CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-		CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-		CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-    } else if (cnt >= 32) {
+        CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+        CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+        CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    }
+    else if (cnt >= 32) {
         if (sf) {
             res = 0xffffffff;
-			SET_FLAG(F_CF);
-			CLEAR_FLAG(F_ZF);
-			SET_FLAG(F_SF);
-			SET_FLAG(F_PF);
-		} else {
-			res = 0;
-			CLEAR_FLAG(F_CF);
-			SET_FLAG(F_ZF);
-			CLEAR_FLAG(F_SF);
-			CLEAR_FLAG(F_PF);
-		}
-	}
-	return res;
+            SET_FLAG(F_CF);
+            CLEAR_FLAG(F_ZF);
+            SET_FLAG(F_SF);
+            SET_FLAG(F_PF);
+        }
+        else {
+            res = 0;
+            CLEAR_FLAG(F_CF);
+            SET_FLAG(F_ZF);
+            CLEAR_FLAG(F_SF);
+            CLEAR_FLAG(F_PF);
+        }
+    }
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHLD instruction and side effects.
 ****************************************************************************/
-u16 shld_word (u16 d, u16 fill, u8 s)
-{
-	unsigned int cnt, res, cf;
-
-	if (s < 16) {
-		cnt = s % 16;
-		if (cnt > 0) {
-			res = (d << cnt) | (fill >> (16-cnt));
-			cf = d & (1 << (16 - cnt));
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = d;
-		}
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG((((res & 0x8000) == 0x8000) ^
-								  (ACCESS_FLAG(F_CF) != 0)), F_OF);
-		} else {
-			CLEAR_FLAG(F_OF);
-		}
-	} else {
-		res = 0;
-		CONDITIONAL_SET_FLAG((d << (s-1)) & 0x8000, F_CF);
-		CLEAR_FLAG(F_OF);
-		CLEAR_FLAG(F_SF);
-		SET_FLAG(F_PF);
-		SET_FLAG(F_ZF);
-	}
-	return (u16)res;
+u16
+shld_word(u16 d, u16 fill, u8 s)
+{
+    unsigned int cnt, res, cf;
+
+    if (s < 16) {
+        cnt = s % 16;
+        if (cnt > 0) {
+            res = (d << cnt) | (fill >> (16 - cnt));
+            cf = d & (1 << (16 - cnt));
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = d;
+        }
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG((((res & 0x8000) == 0x8000) ^
+                                  (ACCESS_FLAG(F_CF) != 0)), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
+        }
+    }
+    else {
+        res = 0;
+        CONDITIONAL_SET_FLAG((d << (s - 1)) & 0x8000, F_CF);
+        CLEAR_FLAG(F_OF);
+        CLEAR_FLAG(F_SF);
+        SET_FLAG(F_PF);
+        SET_FLAG(F_ZF);
+    }
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHLD instruction and side effects.
 ****************************************************************************/
-u32 shld_long (u32 d, u32 fill, u8 s)
-{
-	unsigned int cnt, res, cf;
-
-	if (s < 32) {
-		cnt = s % 32;
-		if (cnt > 0) {
-			res = (d << cnt) | (fill >> (32-cnt));
-			cf = d & (1 << (32 - cnt));
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = d;
-		}
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
-								  (ACCESS_FLAG(F_CF) != 0)), F_OF);
-		} else {
-			CLEAR_FLAG(F_OF);
-		}
-	} else {
-		res = 0;
-		CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80000000, F_CF);
-		CLEAR_FLAG(F_OF);
-		CLEAR_FLAG(F_SF);
-		SET_FLAG(F_PF);
-		SET_FLAG(F_ZF);
-	}
-	return res;
+u32
+shld_long(u32 d, u32 fill, u8 s)
+{
+    unsigned int cnt, res, cf;
+
+    if (s < 32) {
+        cnt = s % 32;
+        if (cnt > 0) {
+            res = (d << cnt) | (fill >> (32 - cnt));
+            cf = d & (1 << (32 - cnt));
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = d;
+        }
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
+                                  (ACCESS_FLAG(F_CF) != 0)), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
+        }
+    }
+    else {
+        res = 0;
+        CONDITIONAL_SET_FLAG((d << (s - 1)) & 0x80000000, F_CF);
+        CLEAR_FLAG(F_OF);
+        CLEAR_FLAG(F_SF);
+        SET_FLAG(F_PF);
+        SET_FLAG(F_ZF);
+    }
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHRD instruction and side effects.
 ****************************************************************************/
-u16 shrd_word (u16 d, u16 fill, u8 s)
+u16
+shrd_word(u16 d, u16 fill, u8 s)
 {
-	unsigned int cnt, res, cf;
+    unsigned int cnt, res, cf;
 
-	if (s < 16) {
-		cnt = s % 16;
-		if (cnt > 0) {
-			cf = d & (1 << (cnt - 1));
-			res = (d >> cnt) | (fill << (16 - cnt));
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = d;
-		}
+    if (s < 16) {
+        cnt = s % 16;
+        if (cnt > 0) {
+            cf = d & (1 << (cnt - 1));
+            res = (d >> cnt) | (fill << (16 - cnt));
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+        }
+        else {
+            res = d;
+        }
 
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
-        } else {
-			CLEAR_FLAG(F_OF);
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
         }
-	} else {
-		res = 0;
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-		SET_FLAG(F_ZF);
-		CLEAR_FLAG(F_SF);
-		CLEAR_FLAG(F_PF);
     }
-	return (u16)res;
+    else {
+        res = 0;
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+        SET_FLAG(F_ZF);
+        CLEAR_FLAG(F_SF);
+        CLEAR_FLAG(F_PF);
+    }
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SHRD instruction and side effects.
 ****************************************************************************/
-u32 shrd_long (u32 d, u32 fill, u8 s)
+u32
+shrd_long(u32 d, u32 fill, u8 s)
 {
-	unsigned int cnt, res, cf;
+    unsigned int cnt, res, cf;
 
-	if (s < 32) {
-		cnt = s % 32;
-		if (cnt > 0) {
-			cf = d & (1 << (cnt - 1));
-			res = (d >> cnt) | (fill << (32 - cnt));
-			CONDITIONAL_SET_FLAG(cf, F_CF);
-			CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-			CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-			CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-		} else {
-			res = d;
-		}
-		if (cnt == 1) {
-			CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
-        } else {
-			CLEAR_FLAG(F_OF);
+    if (s < 32) {
+        cnt = s % 32;
+        if (cnt > 0) {
+            cf = d & (1 << (cnt - 1));
+            res = (d >> cnt) | (fill << (32 - cnt));
+            CONDITIONAL_SET_FLAG(cf, F_CF);
+            CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+            CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+            CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
         }
-	} else {
-		res = 0;
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-		SET_FLAG(F_ZF);
-		CLEAR_FLAG(F_SF);
-		CLEAR_FLAG(F_PF);
+        else {
+            res = d;
+        }
+        if (cnt == 1) {
+            CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
+        }
+        else {
+            CLEAR_FLAG(F_OF);
+        }
+    }
+    else {
+        res = 0;
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+        SET_FLAG(F_ZF);
+        CLEAR_FLAG(F_SF);
+        CLEAR_FLAG(F_PF);
     }
-	return res;
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SBB instruction and side effects.
 ****************************************************************************/
-u8 sbb_byte(u8 d, u8 s)
+u8
+sbb_byte(u8 d, u8 s)
 {
-    register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
     register u32 bc;
 
-	if (ACCESS_FLAG(F_CF))
-		res = d - s - 1;
-	else
-		res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    if (ACCESS_FLAG(F_CF))
+        res = d - s - 1;
+    else
+        res = d - s;
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x80, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return (u8)res;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x80, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SBB instruction and side effects.
 ****************************************************************************/
-u16 sbb_word(u16 d, u16 s)
+u16
+sbb_word(u16 d, u16 s)
 {
-    register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
     register u32 bc;
 
-	if (ACCESS_FLAG(F_CF))
+    if (ACCESS_FLAG(F_CF))
         res = d - s - 1;
     else
         res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x8000, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return (u16)res;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x8000, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SBB instruction and side effects.
 ****************************************************************************/
-u32 sbb_long(u32 d, u32 s)
+u32
+sbb_long(u32 d, u32 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 bc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 bc;
 
-	if (ACCESS_FLAG(F_CF))
+    if (ACCESS_FLAG(F_CF))
         res = d - s - 1;
     else
         res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x80000000, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return res;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x80000000, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SUB instruction and side effects.
 ****************************************************************************/
-u8 sub_byte(u8 d, u8 s)
+u8
+sub_byte(u8 d, u8 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 bc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 bc;
 
-	res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d - s;
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x80, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return (u8)res;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x80, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 6), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return (u8) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SUB instruction and side effects.
 ****************************************************************************/
-u16 sub_word(u16 d, u16 s)
+u16
+sub_word(u16 d, u16 s)
 {
-    register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
     register u32 bc;
 
     res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x8000, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return (u16)res;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x8000, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 14), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return (u16) res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the SUB instruction and side effects.
 ****************************************************************************/
-u32 sub_long(u32 d, u32 s)
+u32
+sub_long(u32 d, u32 s)
 {
-	register u32 res;   /* all operands in native machine order */
-	register u32 bc;
+    register u32 res;           /* all operands in native machine order */
+    register u32 bc;
 
-	res = d - s;
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    res = d - s;
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG((res & 0xffffffff) == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
 
-	/* calculate the borrow chain.  See note at top */
-	bc = (res & (~d | s)) | (~d & s);
-	CONDITIONAL_SET_FLAG(bc & 0x80000000, F_CF);
-	CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
-	CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
-	return res;
+    /* calculate the borrow chain.  See note at top */
+    bc = (res & (~d | s)) | (~d & s);
+    CONDITIONAL_SET_FLAG(bc & 0x80000000, F_CF);
+    CONDITIONAL_SET_FLAG(XOR2(bc >> 30), F_OF);
+    CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the TEST instruction and side effects.
 ****************************************************************************/
-void test_byte(u8 d, u8 s)
+void
+test_byte(u8 d, u8 s)
 {
-    register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
 
     res = d & s;
 
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
     /* AF == dont care */
-	CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_CF);
 }
 
 /****************************************************************************
 REMARKS:
 Implements the TEST instruction and side effects.
 ****************************************************************************/
-void test_word(u16 d, u16 s)
+void
+test_word(u16 d, u16 s)
 {
-	register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
 
-	res = d & s;
+    res = d & s;
 
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	/* AF == dont care */
-	CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    /* AF == dont care */
+    CLEAR_FLAG(F_CF);
 }
 
 /****************************************************************************
 REMARKS:
 Implements the TEST instruction and side effects.
 ****************************************************************************/
-void test_long(u32 d, u32 s)
+void
+test_long(u32 d, u32 s)
 {
-	register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
 
-	res = d & s;
+    res = d & s;
 
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	/* AF == dont care */
-	CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    /* AF == dont care */
+    CLEAR_FLAG(F_CF);
 }
 
 /****************************************************************************
 REMARKS:
 Implements the XOR instruction and side effects.
 ****************************************************************************/
-u8 xor_byte(u8 d, u8 s)
+u8
+xor_byte(u8 d, u8 s)
 {
-	register u8 res;    /* all operands in native machine order */
+    register u8 res;            /* all operands in native machine order */
 
-	res = d ^ s;
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	return res;
+    res = d ^ s;
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(res & 0x80, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res), F_PF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the XOR instruction and side effects.
 ****************************************************************************/
-u16 xor_word(u16 d, u16 s)
+u16
+xor_word(u16 d, u16 s)
 {
-	register u16 res;   /* all operands in native machine order */
+    register u16 res;           /* all operands in native machine order */
 
-	res = d ^ s;
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	return res;
+    res = d ^ s;
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(res & 0x8000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the XOR instruction and side effects.
 ****************************************************************************/
-u32 xor_long(u32 d, u32 s)
+u32
+xor_long(u32 d, u32 s)
 {
-	register u32 res;   /* all operands in native machine order */
+    register u32 res;           /* all operands in native machine order */
 
-	res = d ^ s;
-	CLEAR_FLAG(F_OF);
-	CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
-	CONDITIONAL_SET_FLAG(res == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	return res;
+    res = d ^ s;
+    CLEAR_FLAG(F_OF);
+    CONDITIONAL_SET_FLAG(res & 0x80000000, F_SF);
+    CONDITIONAL_SET_FLAG(res == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(res & 0xff), F_PF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    return res;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the IMUL instruction and side effects.
 ****************************************************************************/
-void imul_byte(u8 s)
+void
+imul_byte(u8 s)
 {
-	s16 res = (s16)((s8)M.x86.R_AL * (s8)s);
+    s16 res = (s16) ((s8) M.x86.R_AL * (s8) s);
 
-	M.x86.R_AX = res;
-	if (((M.x86.R_AL & 0x80) == 0 && M.x86.R_AH == 0x00) ||
-		((M.x86.R_AL & 0x80) != 0 && M.x86.R_AH == 0xFF)) {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-	} else {
-		SET_FLAG(F_CF);
-		SET_FLAG(F_OF);
-	}
+    M.x86.R_AX = res;
+    if (((M.x86.R_AL & 0x80) == 0 && M.x86.R_AH == 0x00) ||
+        ((M.x86.R_AL & 0x80) != 0 && M.x86.R_AH == 0xFF)) {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+    }
+    else {
+        SET_FLAG(F_CF);
+        SET_FLAG(F_OF);
+    }
 }
 
 /****************************************************************************
 REMARKS:
 Implements the IMUL instruction and side effects.
 ****************************************************************************/
-void imul_word(u16 s)
+void
+imul_word(u16 s)
 {
-	s32 res = (s16)M.x86.R_AX * (s16)s;
+    s32 res = (s16) M.x86.R_AX * (s16) s;
 
-	M.x86.R_AX = (u16)res;
-	M.x86.R_DX = (u16)(res >> 16);
-	if (((M.x86.R_AX & 0x8000) == 0 && M.x86.R_DX == 0x00) ||
-		((M.x86.R_AX & 0x8000) != 0 && M.x86.R_DX == 0xFF)) {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-	} else {
-		SET_FLAG(F_CF);
-		SET_FLAG(F_OF);
-	}
+    M.x86.R_AX = (u16) res;
+    M.x86.R_DX = (u16) (res >> 16);
+    if (((M.x86.R_AX & 0x8000) == 0 && M.x86.R_DX == 0x00) ||
+        ((M.x86.R_AX & 0x8000) != 0 && M.x86.R_DX == 0xFF)) {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+    }
+    else {
+        SET_FLAG(F_CF);
+        SET_FLAG(F_OF);
+    }
 }
 
 /****************************************************************************
 REMARKS:
 Implements the IMUL instruction and side effects.
 ****************************************************************************/
-void imul_long_direct(u32 *res_lo, u32* res_hi,u32 d, u32 s)
+void
+imul_long_direct(u32 * res_lo, u32 * res_hi, u32 d, u32 s)
 {
 #ifdef	__HAS_LONG_LONG__
-	s64 res = (s64)(s32)d * (s32)s;
+    s64 res = (s64) (s32) d * (s32) s;
 
-	*res_lo = (u32)res;
-	*res_hi = (u32)(res >> 32);
+    *res_lo = (u32) res;
+    *res_hi = (u32) (res >> 32);
 #else
-	u32	d_lo,d_hi,d_sign;
-	u32	s_lo,s_hi,s_sign;
-	u32	rlo_lo,rlo_hi,rhi_lo;
-
-	if ((d_sign = d & 0x80000000) != 0)
-		d = -d;
-	d_lo = d & 0xFFFF;
-	d_hi = d >> 16;
-	if ((s_sign = s & 0x80000000) != 0)
-		s = -s;
-	s_lo = s & 0xFFFF;
-	s_hi = s >> 16;
-	rlo_lo = d_lo * s_lo;
-	rlo_hi = (d_hi * s_lo + d_lo * s_hi) + (rlo_lo >> 16);
-	rhi_lo = d_hi * s_hi + (rlo_hi >> 16);
-	*res_lo = (rlo_hi << 16) | (rlo_lo & 0xFFFF);
-	*res_hi = rhi_lo;
-	if (d_sign != s_sign) {
-		d = ~*res_lo;
-		s = (((d & 0xFFFF) + 1) >> 16) + (d >> 16);
-		*res_lo = ~*res_lo+1;
-		*res_hi = ~*res_hi+(s >> 16);
-		}
+    u32 d_lo, d_hi, d_sign;
+    u32 s_lo, s_hi, s_sign;
+    u32 rlo_lo, rlo_hi, rhi_lo;
+
+    if ((d_sign = d & 0x80000000) != 0)
+        d = -d;
+    d_lo = d & 0xFFFF;
+    d_hi = d >> 16;
+    if ((s_sign = s & 0x80000000) != 0)
+        s = -s;
+    s_lo = s & 0xFFFF;
+    s_hi = s >> 16;
+    rlo_lo = d_lo * s_lo;
+    rlo_hi = (d_hi * s_lo + d_lo * s_hi) + (rlo_lo >> 16);
+    rhi_lo = d_hi * s_hi + (rlo_hi >> 16);
+    *res_lo = (rlo_hi << 16) | (rlo_lo & 0xFFFF);
+    *res_hi = rhi_lo;
+    if (d_sign != s_sign) {
+        d = ~*res_lo;
+        s = (((d & 0xFFFF) + 1) >> 16) + (d >> 16);
+        *res_lo = ~*res_lo + 1;
+        *res_hi = ~*res_hi + (s >> 16);
+    }
 #endif
 }
 
@@ -2123,53 +2235,59 @@ void imul_long_direct(u32 *res_lo, u32* res_hi,u32 d, u32 s)
 REMARKS:
 Implements the IMUL instruction and side effects.
 ****************************************************************************/
-void imul_long(u32 s)
+void
+imul_long(u32 s)
 {
-	imul_long_direct(&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,s);
-	if (((M.x86.R_EAX & 0x80000000) == 0 && M.x86.R_EDX == 0x00) ||
-		((M.x86.R_EAX & 0x80000000) != 0 && M.x86.R_EDX == 0xFF)) {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-	} else {
-		SET_FLAG(F_CF);
-		SET_FLAG(F_OF);
-	}
+    imul_long_direct(&M.x86.R_EAX, &M.x86.R_EDX, M.x86.R_EAX, s);
+    if (((M.x86.R_EAX & 0x80000000) == 0 && M.x86.R_EDX == 0x00) ||
+        ((M.x86.R_EAX & 0x80000000) != 0 && M.x86.R_EDX == 0xFF)) {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+    }
+    else {
+        SET_FLAG(F_CF);
+        SET_FLAG(F_OF);
+    }
 }
 
 /****************************************************************************
 REMARKS:
 Implements the MUL instruction and side effects.
 ****************************************************************************/
-void mul_byte(u8 s)
+void
+mul_byte(u8 s)
 {
-	u16 res = (u16)(M.x86.R_AL * s);
+    u16 res = (u16) (M.x86.R_AL * s);
 
-	M.x86.R_AX = res;
-	if (M.x86.R_AH == 0) {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-	} else {
-		SET_FLAG(F_CF);
-		SET_FLAG(F_OF);
-	}
+    M.x86.R_AX = res;
+    if (M.x86.R_AH == 0) {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+    }
+    else {
+        SET_FLAG(F_CF);
+        SET_FLAG(F_OF);
+    }
 }
 
 /****************************************************************************
 REMARKS:
 Implements the MUL instruction and side effects.
 ****************************************************************************/
-void mul_word(u16 s)
+void
+mul_word(u16 s)
 {
-	u32 res = M.x86.R_AX * s;
+    u32 res = M.x86.R_AX * s;
 
-	M.x86.R_AX = (u16)res;
-	M.x86.R_DX = (u16)(res >> 16);
-	if (M.x86.R_DX == 0) {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-    } else {
-		SET_FLAG(F_CF);
-		SET_FLAG(F_OF);
+    M.x86.R_AX = (u16) res;
+    M.x86.R_DX = (u16) (res >> 16);
+    if (M.x86.R_DX == 0) {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+    }
+    else {
+        SET_FLAG(F_CF);
+        SET_FLAG(F_OF);
     }
 }
 
@@ -2177,36 +2295,38 @@ void mul_word(u16 s)
 REMARKS:
 Implements the MUL instruction and side effects.
 ****************************************************************************/
-void mul_long(u32 s)
+void
+mul_long(u32 s)
 {
 #ifdef	__HAS_LONG_LONG__
-	u64 res = (u64)M.x86.R_EAX * s;
+    u64 res = (u64) M.x86.R_EAX * s;
 
-	M.x86.R_EAX = (u32)res;
-	M.x86.R_EDX = (u32)(res >> 32);
+    M.x86.R_EAX = (u32) res;
+    M.x86.R_EDX = (u32) (res >> 32);
 #else
-	u32	a,a_lo,a_hi;
-	u32	s_lo,s_hi;
-	u32	rlo_lo,rlo_hi,rhi_lo;
-
-	a = M.x86.R_EAX;
-	a_lo = a & 0xFFFF;
-	a_hi = a >> 16;
-	s_lo = s & 0xFFFF;
-	s_hi = s >> 16;
-	rlo_lo = a_lo * s_lo;
-	rlo_hi = (a_hi * s_lo + a_lo * s_hi) + (rlo_lo >> 16);
-	rhi_lo = a_hi * s_hi + (rlo_hi >> 16);
-	M.x86.R_EAX = (rlo_hi << 16) | (rlo_lo & 0xFFFF);
-	M.x86.R_EDX = rhi_lo;
+    u32 a, a_lo, a_hi;
+    u32 s_lo, s_hi;
+    u32 rlo_lo, rlo_hi, rhi_lo;
+
+    a = M.x86.R_EAX;
+    a_lo = a & 0xFFFF;
+    a_hi = a >> 16;
+    s_lo = s & 0xFFFF;
+    s_hi = s >> 16;
+    rlo_lo = a_lo * s_lo;
+    rlo_hi = (a_hi * s_lo + a_lo * s_hi) + (rlo_lo >> 16);
+    rhi_lo = a_hi * s_hi + (rlo_hi >> 16);
+    M.x86.R_EAX = (rlo_hi << 16) | (rlo_lo & 0xFFFF);
+    M.x86.R_EDX = rhi_lo;
 #endif
 
-	if (M.x86.R_EDX == 0) {
-		CLEAR_FLAG(F_CF);
-		CLEAR_FLAG(F_OF);
-	} else {
-		SET_FLAG(F_CF);
-		SET_FLAG(F_OF);
+    if (M.x86.R_EDX == 0) {
+        CLEAR_FLAG(F_CF);
+        CLEAR_FLAG(F_OF);
+    }
+    else {
+        SET_FLAG(F_CF);
+        SET_FLAG(F_OF);
     }
 }
 
@@ -2214,309 +2334,319 @@ void mul_long(u32 s)
 REMARKS:
 Implements the IDIV instruction and side effects.
 ****************************************************************************/
-void idiv_byte(u8 s)
+void
+idiv_byte(u8 s)
 {
     s32 dvd, div, mod;
 
-	dvd = (s16)M.x86.R_AX;
-	if (s == 0) {
-		x86emu_intr_raise(0);
+    dvd = (s16) M.x86.R_AX;
+    if (s == 0) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    div = dvd / (s8) s;
+    mod = dvd % (s8) s;
+    if (abs(div) > 0x7f) {
+        x86emu_intr_raise(0);
         return;
-	}
-	div = dvd / (s8)s;
-	mod = dvd % (s8)s;
-	if (abs(div) > 0x7f) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	M.x86.R_AL = (s8) div;
-	M.x86.R_AH = (s8) mod;
+    }
+    M.x86.R_AL = (s8) div;
+    M.x86.R_AH = (s8) mod;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the IDIV instruction and side effects.
 ****************************************************************************/
-void idiv_word(u16 s)
+void
+idiv_word(u16 s)
 {
-	s32 dvd, div, mod;
+    s32 dvd, div, mod;
 
-	dvd = (((s32)M.x86.R_DX) << 16) | M.x86.R_AX;
-	if (s == 0) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	div = dvd / (s16)s;
-	mod = dvd % (s16)s;
-	if (abs(div) > 0x7fff) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_SF);
-	CONDITIONAL_SET_FLAG(div == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
+    dvd = (((s32) M.x86.R_DX) << 16) | M.x86.R_AX;
+    if (s == 0) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    div = dvd / (s16) s;
+    mod = dvd % (s16) s;
+    if (abs(div) > 0x7fff) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_SF);
+    CONDITIONAL_SET_FLAG(div == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
 
-	M.x86.R_AX = (u16)div;
-	M.x86.R_DX = (u16)mod;
+    M.x86.R_AX = (u16) div;
+    M.x86.R_DX = (u16) mod;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the IDIV instruction and side effects.
 ****************************************************************************/
-void idiv_long(u32 s)
+void
+idiv_long(u32 s)
 {
 #ifdef	__HAS_LONG_LONG__
-	s64 dvd, div, mod;
-
-	dvd = (((s64)M.x86.R_EDX) << 32) | M.x86.R_EAX;
-	if (s == 0) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	div = dvd / (s32)s;
-	mod = dvd % (s32)s;
-	if (abs(div) > 0x7fffffff) {
-		x86emu_intr_raise(0);
-		return;
-	}
+    s64 dvd, div, mod;
+
+    dvd = (((s64) M.x86.R_EDX) << 32) | M.x86.R_EAX;
+    if (s == 0) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    div = dvd / (s32) s;
+    mod = dvd % (s32) s;
+    if (abs(div) > 0x7fffffff) {
+        x86emu_intr_raise(0);
+        return;
+    }
 #else
-	s32 div = 0, mod;
-	s32 h_dvd = M.x86.R_EDX;
-	u32 l_dvd = M.x86.R_EAX;
-	u32 abs_s = s & 0x7FFFFFFF;
-	u32 abs_h_dvd = h_dvd & 0x7FFFFFFF;
-	u32 h_s = abs_s >> 1;
-	u32 l_s = abs_s << 31;
-	int counter = 31;
-	int carry;
-
-	if (s == 0) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	do {
-		div <<= 1;
-		carry = (l_dvd >= l_s) ? 0 : 1;
-		
-		if (abs_h_dvd < (h_s + carry)) {
-			h_s >>= 1;
-			l_s = abs_s << (--counter);
-			continue;
-		} else {
-			abs_h_dvd -= (h_s + carry);
-			l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
-				: (l_dvd - l_s);
-			h_s >>= 1;
-			l_s = abs_s << (--counter);
-			div |= 1;
-			continue;
-		}
-		
-	} while (counter > -1);
-	/* overflow */
-	if (abs_h_dvd || (l_dvd > abs_s)) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	/* sign */
-	div |= ((h_dvd & 0x10000000) ^ (s & 0x10000000));
-	mod = l_dvd;
+    s32 div = 0, mod;
+    s32 h_dvd = M.x86.R_EDX;
+    u32 l_dvd = M.x86.R_EAX;
+    u32 abs_s = s & 0x7FFFFFFF;
+    u32 abs_h_dvd = h_dvd & 0x7FFFFFFF;
+    u32 h_s = abs_s >> 1;
+    u32 l_s = abs_s << 31;
+    int counter = 31;
+    int carry;
+
+    if (s == 0) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    do {
+        div <<= 1;
+        carry = (l_dvd >= l_s) ? 0 : 1;
+
+        if (abs_h_dvd < (h_s + carry)) {
+            h_s >>= 1;
+            l_s = abs_s << (--counter);
+            continue;
+        }
+        else {
+            abs_h_dvd -= (h_s + carry);
+            l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
+                : (l_dvd - l_s);
+            h_s >>= 1;
+            l_s = abs_s << (--counter);
+            div |= 1;
+            continue;
+        }
+
+    } while (counter > -1);
+    /* overflow */
+    if (abs_h_dvd || (l_dvd > abs_s)) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    /* sign */
+    div |= ((h_dvd & 0x10000000) ^ (s & 0x10000000));
+    mod = l_dvd;
 
 #endif
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CLEAR_FLAG(F_SF);
-	SET_FLAG(F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CLEAR_FLAG(F_SF);
+    SET_FLAG(F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
 
-	M.x86.R_EAX = (u32)div;
-	M.x86.R_EDX = (u32)mod;
+    M.x86.R_EAX = (u32) div;
+    M.x86.R_EDX = (u32) mod;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DIV instruction and side effects.
 ****************************************************************************/
-void div_byte(u8 s)
+void
+div_byte(u8 s)
 {
-	u32 dvd, div, mod;
+    u32 dvd, div, mod;
 
-	dvd = M.x86.R_AX;
+    dvd = M.x86.R_AX;
     if (s == 0) {
-		x86emu_intr_raise(0);
+        x86emu_intr_raise(0);
         return;
     }
-	div = dvd / (u8)s;
-	mod = dvd % (u8)s;
-	if (abs(div) > 0xff) {
-		x86emu_intr_raise(0);
+    div = dvd / (u8) s;
+    mod = dvd % (u8) s;
+    if (abs(div) > 0xff) {
+        x86emu_intr_raise(0);
         return;
-	}
-	M.x86.R_AL = (u8)div;
-	M.x86.R_AH = (u8)mod;
+    }
+    M.x86.R_AL = (u8) div;
+    M.x86.R_AH = (u8) mod;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DIV instruction and side effects.
 ****************************************************************************/
-void div_word(u16 s)
+void
+div_word(u16 s)
 {
-	u32 dvd, div, mod;
+    u32 dvd, div, mod;
 
-	dvd = (((u32)M.x86.R_DX) << 16) | M.x86.R_AX;
-	if (s == 0) {
-		x86emu_intr_raise(0);
+    dvd = (((u32) M.x86.R_DX) << 16) | M.x86.R_AX;
+    if (s == 0) {
+        x86emu_intr_raise(0);
         return;
     }
-	div = dvd / (u16)s;
-	mod = dvd % (u16)s;
-	if (abs(div) > 0xffff) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_SF);
-	CONDITIONAL_SET_FLAG(div == 0, F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
+    div = dvd / (u16) s;
+    mod = dvd % (u16) s;
+    if (abs(div) > 0xffff) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_SF);
+    CONDITIONAL_SET_FLAG(div == 0, F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
 
-	M.x86.R_AX = (u16)div;
-	M.x86.R_DX = (u16)mod;
+    M.x86.R_AX = (u16) div;
+    M.x86.R_DX = (u16) mod;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the DIV instruction and side effects.
 ****************************************************************************/
-void div_long(u32 s)
+void
+div_long(u32 s)
 {
 #ifdef	__HAS_LONG_LONG__
-	u64 dvd, div, mod;
-
-	dvd = (((u64)M.x86.R_EDX) << 32) | M.x86.R_EAX;
-	if (s == 0) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	div = dvd / (u32)s;
-	mod = dvd % (u32)s;
-	if (abs(div) > 0xffffffff) {
-		x86emu_intr_raise(0);
-		return;
-	}
+    u64 dvd, div, mod;
+
+    dvd = (((u64) M.x86.R_EDX) << 32) | M.x86.R_EAX;
+    if (s == 0) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    div = dvd / (u32) s;
+    mod = dvd % (u32) s;
+    if (abs(div) > 0xffffffff) {
+        x86emu_intr_raise(0);
+        return;
+    }
 #else
-	s32 div = 0, mod;
-	s32 h_dvd = M.x86.R_EDX;
-	u32 l_dvd = M.x86.R_EAX;
-
-	u32 h_s = s;
-	u32 l_s = 0;
-	int counter = 32;
-	int carry;
-		
-	if (s == 0) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	do {
-		div <<= 1;
-		carry = (l_dvd >= l_s) ? 0 : 1;
-		
-		if (h_dvd < (h_s + carry)) {
-			h_s >>= 1;
-			l_s = s << (--counter);
-			continue;
-		} else {
-			h_dvd -= (h_s + carry);
-			l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
-				: (l_dvd - l_s);
-			h_s >>= 1;
-			l_s = s << (--counter);
-			div |= 1;
-			continue;
-		}
-		
-	} while (counter > -1);
-	/* overflow */
-	if (h_dvd || (l_dvd > s)) {
-		x86emu_intr_raise(0);
-		return;
-	}
-	mod = l_dvd;
+    s32 div = 0, mod;
+    s32 h_dvd = M.x86.R_EDX;
+    u32 l_dvd = M.x86.R_EAX;
+
+    u32 h_s = s;
+    u32 l_s = 0;
+    int counter = 32;
+    int carry;
+
+    if (s == 0) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    do {
+        div <<= 1;
+        carry = (l_dvd >= l_s) ? 0 : 1;
+
+        if (h_dvd < (h_s + carry)) {
+            h_s >>= 1;
+            l_s = s << (--counter);
+            continue;
+        }
+        else {
+            h_dvd -= (h_s + carry);
+            l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
+                : (l_dvd - l_s);
+            h_s >>= 1;
+            l_s = s << (--counter);
+            div |= 1;
+            continue;
+        }
+
+    } while (counter > -1);
+    /* overflow */
+    if (h_dvd || (l_dvd > s)) {
+        x86emu_intr_raise(0);
+        return;
+    }
+    mod = l_dvd;
 #endif
-	CLEAR_FLAG(F_CF);
-	CLEAR_FLAG(F_AF);
-	CLEAR_FLAG(F_SF);
-	SET_FLAG(F_ZF);
-	CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
+    CLEAR_FLAG(F_CF);
+    CLEAR_FLAG(F_AF);
+    CLEAR_FLAG(F_SF);
+    SET_FLAG(F_ZF);
+    CONDITIONAL_SET_FLAG(PARITY(mod & 0xff), F_PF);
 
-	M.x86.R_EAX = (u32)div;
-	M.x86.R_EDX = (u32)mod;
+    M.x86.R_EAX = (u32) div;
+    M.x86.R_EDX = (u32) mod;
 }
 
 /****************************************************************************
 REMARKS:
 Implements the IN string instruction and side effects.
 ****************************************************************************/
-void ins(int size)
+void
+ins(int size)
 {
-	int inc = size;
+    int inc = size;
 
-	if (ACCESS_FLAG(F_DF)) {
-		inc = -size;
-	}
-	if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
+    if (ACCESS_FLAG(F_DF)) {
+        inc = -size;
+    }
+    if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
         /* dont care whether REPE or REPNE */
         /* in until CX is ZERO. */
-		u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
-					 M.x86.R_ECX : M.x86.R_CX);
+        u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
+                     M.x86.R_ECX : M.x86.R_CX);
         switch (size) {
-          case 1:
+        case 1:
             while (count--) {
-				store_data_byte_abs(M.x86.R_ES, M.x86.R_DI,
-									(*sys_inb)(M.x86.R_DX));
-				M.x86.R_DI += inc;
+                store_data_byte_abs(M.x86.R_ES, M.x86.R_DI,
+                                    (*sys_inb) (M.x86.R_DX));
+                M.x86.R_DI += inc;
             }
             break;
 
-          case 2:
+        case 2:
             while (count--) {
-				store_data_word_abs(M.x86.R_ES, M.x86.R_DI,
-									(*sys_inw)(M.x86.R_DX));
-				M.x86.R_DI += inc;
+                store_data_word_abs(M.x86.R_ES, M.x86.R_DI,
+                                    (*sys_inw) (M.x86.R_DX));
+                M.x86.R_DI += inc;
             }
             break;
-          case 4:
+        case 4:
             while (count--) {
-				store_data_long_abs(M.x86.R_ES, M.x86.R_DI,
-									(*sys_inl)(M.x86.R_DX));
-				M.x86.R_DI += inc;
+                store_data_long_abs(M.x86.R_ES, M.x86.R_DI,
+                                    (*sys_inl) (M.x86.R_DX));
+                M.x86.R_DI += inc;
                 break;
             }
         }
-		M.x86.R_CX = 0;
-		if (M.x86.mode & SYSMODE_PREFIX_DATA) {
-			M.x86.R_ECX = 0;
+        M.x86.R_CX = 0;
+        if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+            M.x86.R_ECX = 0;
         }
-		M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
-    } else {
+        M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+    }
+    else {
         switch (size) {
-          case 1:
-			store_data_byte_abs(M.x86.R_ES, M.x86.R_DI,
-								(*sys_inb)(M.x86.R_DX));
+        case 1:
+            store_data_byte_abs(M.x86.R_ES, M.x86.R_DI,
+                                (*sys_inb) (M.x86.R_DX));
             break;
-          case 2:
-			store_data_word_abs(M.x86.R_ES, M.x86.R_DI,
-								(*sys_inw)(M.x86.R_DX));
+        case 2:
+            store_data_word_abs(M.x86.R_ES, M.x86.R_DI,
+                                (*sys_inw) (M.x86.R_DX));
             break;
-          case 4:
-			store_data_long_abs(M.x86.R_ES, M.x86.R_DI,
-								(*sys_inl)(M.x86.R_DX));
+        case 4:
+            store_data_long_abs(M.x86.R_ES, M.x86.R_DI,
+                                (*sys_inl) (M.x86.R_DX));
             break;
         }
-		M.x86.R_DI += inc;
+        M.x86.R_DI += inc;
     }
 }
 
@@ -2524,63 +2654,65 @@ void ins(int size)
 REMARKS:
 Implements the OUT string instruction and side effects.
 ****************************************************************************/
-void outs(int size)
+void
+outs(int size)
 {
     int inc = size;
 
-	if (ACCESS_FLAG(F_DF)) {
+    if (ACCESS_FLAG(F_DF)) {
         inc = -size;
     }
-	if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
+    if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
         /* dont care whether REPE or REPNE */
         /* out until CX is ZERO. */
-		u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
-					 M.x86.R_ECX : M.x86.R_CX);
+        u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
+                     M.x86.R_ECX : M.x86.R_CX);
         switch (size) {
-          case 1:
+        case 1:
             while (count--) {
-				(*sys_outb)(M.x86.R_DX,
-						 fetch_data_byte_abs(M.x86.R_ES, M.x86.R_SI));
-				M.x86.R_SI += inc;
+                (*sys_outb) (M.x86.R_DX,
+                             fetch_data_byte_abs(M.x86.R_ES, M.x86.R_SI));
+                M.x86.R_SI += inc;
             }
             break;
 
-          case 2:
+        case 2:
             while (count--) {
-				(*sys_outw)(M.x86.R_DX,
-						 fetch_data_word_abs(M.x86.R_ES, M.x86.R_SI));
-				M.x86.R_SI += inc;
+                (*sys_outw) (M.x86.R_DX,
+                             fetch_data_word_abs(M.x86.R_ES, M.x86.R_SI));
+                M.x86.R_SI += inc;
             }
             break;
-          case 4:
+        case 4:
             while (count--) {
-				(*sys_outl)(M.x86.R_DX,
-						 fetch_data_long_abs(M.x86.R_ES, M.x86.R_SI));
-				M.x86.R_SI += inc;
+                (*sys_outl) (M.x86.R_DX,
+                             fetch_data_long_abs(M.x86.R_ES, M.x86.R_SI));
+                M.x86.R_SI += inc;
                 break;
             }
         }
-		M.x86.R_CX = 0;
-		if (M.x86.mode & SYSMODE_PREFIX_DATA) {
-			M.x86.R_ECX = 0;
+        M.x86.R_CX = 0;
+        if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+            M.x86.R_ECX = 0;
         }
-		M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
-    } else {
+        M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+    }
+    else {
         switch (size) {
-          case 1:
-			(*sys_outb)(M.x86.R_DX,
-					 fetch_data_byte_abs(M.x86.R_ES, M.x86.R_SI));
+        case 1:
+            (*sys_outb) (M.x86.R_DX,
+                         fetch_data_byte_abs(M.x86.R_ES, M.x86.R_SI));
             break;
-          case 2:
-			(*sys_outw)(M.x86.R_DX,
-					 fetch_data_word_abs(M.x86.R_ES, M.x86.R_SI));
+        case 2:
+            (*sys_outw) (M.x86.R_DX,
+                         fetch_data_word_abs(M.x86.R_ES, M.x86.R_SI));
             break;
-          case 4:
-			(*sys_outl)(M.x86.R_DX,
-					 fetch_data_long_abs(M.x86.R_ES, M.x86.R_SI));
+        case 4:
+            (*sys_outl) (M.x86.R_DX,
+                         fetch_data_long_abs(M.x86.R_ES, M.x86.R_SI));
             break;
         }
-		M.x86.R_SI += inc;
+        M.x86.R_SI += inc;
     }
 }
 
@@ -2591,11 +2723,12 @@ addr	- Address to fetch word from
 REMARKS:
 Fetches a word from emulator memory using an absolute address.
 ****************************************************************************/
-u16 mem_access_word(int addr)
+u16
+mem_access_word(int addr)
 {
-DB(	if (CHECK_MEM_ACCESS())
-	  x86emu_check_mem_access(addr);)
-	return (*sys_rdw)(addr);
+    DB(if (CHECK_MEM_ACCESS())
+       x86emu_check_mem_access(addr);)
+        return (*sys_rdw) (addr);
 }
 
 /****************************************************************************
@@ -2604,12 +2737,13 @@ Pushes a word onto the stack.
 
 NOTE: Do not inline this, as (*sys_wrX) is already inline!
 ****************************************************************************/
-void push_word(u16 w)
+void
+push_word(u16 w)
 {
-DB(	if (CHECK_SP_ACCESS())
-	  x86emu_check_sp_access();)
-	M.x86.R_SP -= 2;
-	(*sys_wrw)(((u32)M.x86.R_SS << 4)  + M.x86.R_SP, w);
+    DB(if (CHECK_SP_ACCESS())
+       x86emu_check_sp_access();)
+        M.x86.R_SP -= 2;
+    (*sys_wrw) (((u32) M.x86.R_SS << 4) + M.x86.R_SP, w);
 }
 
 /****************************************************************************
@@ -2618,12 +2752,13 @@ Pushes a long onto the stack.
 
 NOTE: Do not inline this, as (*sys_wrX) is already inline!
 ****************************************************************************/
-void push_long(u32 w)
+void
+push_long(u32 w)
 {
-DB(	if (CHECK_SP_ACCESS())
-	  x86emu_check_sp_access();)
-	M.x86.R_SP -= 4;
-	(*sys_wrl)(((u32)M.x86.R_SS << 4)  + M.x86.R_SP, w);
+    DB(if (CHECK_SP_ACCESS())
+       x86emu_check_sp_access();)
+        M.x86.R_SP -= 4;
+    (*sys_wrl) (((u32) M.x86.R_SS << 4) + M.x86.R_SP, w);
 }
 
 /****************************************************************************
@@ -2632,15 +2767,16 @@ Pops a word from the stack.
 
 NOTE: Do not inline this, as (*sys_rdX) is already inline!
 ****************************************************************************/
-u16 pop_word(void)
+u16
+pop_word(void)
 {
-	register u16 res;
+    register u16 res;
 
-DB(	if (CHECK_SP_ACCESS())
-	  x86emu_check_sp_access();)
-	res = (*sys_rdw)(((u32)M.x86.R_SS << 4)  + M.x86.R_SP);
-	M.x86.R_SP += 2;
-	return res;
+    DB(if (CHECK_SP_ACCESS())
+       x86emu_check_sp_access();)
+        res = (*sys_rdw) (((u32) M.x86.R_SS << 4) + M.x86.R_SP);
+    M.x86.R_SP += 2;
+    return res;
 }
 
 /****************************************************************************
@@ -2649,14 +2785,15 @@ Pops a long from the stack.
 
 NOTE: Do not inline this, as (*sys_rdX) is already inline!
 ****************************************************************************/
-u32 pop_long(void)
+u32
+pop_long(void)
 {
     register u32 res;
 
-DB(	if (CHECK_SP_ACCESS())
-	  x86emu_check_sp_access();)
-	res = (*sys_rdl)(((u32)M.x86.R_SS << 4)  + M.x86.R_SP);
-	M.x86.R_SP += 4;
+    DB(if (CHECK_SP_ACCESS())
+       x86emu_check_sp_access();)
+        res = (*sys_rdl) (((u32) M.x86.R_SS << 4) + M.x86.R_SP);
+    M.x86.R_SP += 4;
     return res;
 }
 
@@ -2664,7 +2801,8 @@ DB(	if (CHECK_SP_ACCESS())
 REMARKS:
 CPUID takes EAX/ECX as inputs, writes EAX/EBX/ECX/EDX as output
 ****************************************************************************/
-void cpuid (void)
+void
+cpuid(void)
 {
     u32 feature = M.x86.R_EAX;
 
@@ -2674,15 +2812,15 @@ void cpuid (void)
      * first two features, and the results of those are sanitized.
      */
     if (feature <= 1)
-	hw_cpuid(&M.x86.R_EAX, &M.x86.R_EBX, &M.x86.R_ECX, &M.x86.R_EDX);
+        hw_cpuid(&M.x86.R_EAX, &M.x86.R_EBX, &M.x86.R_ECX, &M.x86.R_EDX);
 #endif
 
     switch (feature) {
     case 0:
         /* Regardless if we have real data from the hardware, the emulator
-	 * will only support upto feature 1, which we set in register EAX.
-	 * Registers EBX:EDX:ECX contain a string identifying the CPU.
-	 */
+         * will only support upto feature 1, which we set in register EAX.
+         * Registers EBX:EDX:ECX contain a string identifying the CPU.
+         */
         M.x86.R_EAX = 1;
 #ifndef X86EMU_HAS_HW_CPUID
         /* EBX:EDX:ECX = "GenuineIntel" */
@@ -2694,24 +2832,24 @@ void cpuid (void)
     case 1:
 #ifndef X86EMU_HAS_HW_CPUID
         /* If we don't have x86 compatible hardware, we return values from an
-	 * Intel 486dx4; which was one of the first processors to have CPUID.
-	 */
+         * Intel 486dx4; which was one of the first processors to have CPUID.
+         */
         M.x86.R_EAX = 0x00000480;
         M.x86.R_EBX = 0x00000000;
         M.x86.R_ECX = 0x00000000;
-        M.x86.R_EDX = 0x00000002;	/* VME */
+        M.x86.R_EDX = 0x00000002;       /* VME */
 #else
         /* In the case that we have hardware CPUID instruction, we make sure
-	 * that the features reported are limited to TSC and VME.
-	 */
+         * that the features reported are limited to TSC and VME.
+         */
         M.x86.R_EDX &= 0x00000012;
 #endif
         break;
     default:
         /* Finally, we don't support any additional features.  Most CPUs
-	 * return all zeros when queried for invalid or unsupported feature
-	 * numbers.
-	 */
+         * return all zeros when queried for invalid or unsupported feature
+         * numbers.
+         */
         M.x86.R_EAX = 0;
         M.x86.R_EBX = 0;
         M.x86.R_ECX = 0;
@@ -2719,4 +2857,3 @@ void cpuid (void)
         break;
     }
 }
-