np2/i286c/i286c_fe.c - diff

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Diff for /np2/i286c/i286c_fe.c between versions 1.1 and 1.9

version 1.1, 2003/10/16 17:57:45	version 1.9, 2003/11/29 00:36:00
Line 1	Line 1
#include "compiler.h"	#include "compiler.h"
#include "i286.h"	#include "i286.h"
#include "i286c.h"	#include "i286c.h"
#include "i286c.mcr"
#include "memory.h"	#include "memory.h"
#include "nevent.h"	#include "i286c.mcr"


// ------------------------------------------------------------ opecode 0xfe,f	// ------------------------------------------------------------ opecode 0xfe,f

#if 0	#if 0
I286_F6 _nop_int(DWORD op) {	I286_F6 _nop_int(UINT op) {

INT_NUM(6, I286_IP - 2);	INT_NUM(6, I286_IP - 2);
}	}
#endif	#endif

I286_F6 _inc_ea8(DWORD op) {	I286_F6 _inc_ea8(UINT op) {

DWORD madr;	UINT32 madr;
BYTE *out;	BYTE *out;

if (op >= 0xc0) {	if (op >= 0xc0) {
I286_CLOCK(2)	I286_WORKCLOCK(2);
out = reg8_b20[op];	out = REG8_B20(op);
}	}
else {	else {
I286_CLOCK(7)	I286_WORKCLOCK(7);
madr = c_calc_ea_dst[op]();	madr = CALC_EA(op);
if (madr >= I286_MEMWRITEMAX) {	if (madr >= I286_MEMWRITEMAX) {
BYTE value = i286_memoryread(madr);	REG8 value = i286_memoryread(madr);
BYTE_INC(value)	BYTE_INC(value)
i286_memorywrite(madr, value);	i286_memorywrite(madr, value);
return;	return;
Line 38 I286_F6 _inc_ea8(DWORD op) {	Line 37 I286_F6 _inc_ea8(DWORD op) {
BYTE_INC(*out)	BYTE_INC(*out)
}	}

I286_F6 _dec_ea8(DWORD op) {	I286_F6 _dec_ea8(UINT op) {

DWORD madr;	UINT32 madr;
BYTE *out;	BYTE *out;

if (op >= 0xc0) {	if (op >= 0xc0) {
I286_CLOCK(2)	I286_WORKCLOCK(2);
out = reg8_b20[op];	out = REG8_B20(op);
}	}
else {	else {
I286_CLOCK(7)	I286_WORKCLOCK(7);
madr = c_calc_ea_dst[op]();	madr = CALC_EA(op);
if (madr >= I286_MEMWRITEMAX) {	if (madr >= I286_MEMWRITEMAX) {
BYTE value = i286_memoryread(madr);	REG8 value = i286_memoryread(madr);
BYTE_DEC(value)	BYTE_DEC(value)
i286_memorywrite(madr, value);	i286_memorywrite(madr, value);
return;	return;
Line 61 I286_F6 _dec_ea8(DWORD op) {	Line 60 I286_F6 _dec_ea8(DWORD op) {
BYTE_DEC(*out)	BYTE_DEC(*out)
}	}

I286_F6 _inc_ea16(DWORD op) {	I286_F6 _inc_ea16(UINT op) {

DWORD madr;	UINT32 madr;
WORD *out;	UINT16 *out;

if (op >= 0xc0) {	if (op >= 0xc0) {
I286_CLOCK(2)	I286_WORKCLOCK(2);
out = reg16_b20[op];	out = REG16_B20(op);
}	}
else {	else {
I286_CLOCK(7)	I286_WORKCLOCK(7);
madr = c_calc_ea_dst[op]();	madr = CALC_EA(op);
if (INHIBIT_WORDP(madr)) {	if (INHIBIT_WORDP(madr)) {
WORD value = i286_memoryread_w(madr);	REG16 value = i286_memoryread_w(madr);
WORD_INC(value)	WORD_INC(value)
i286_memorywrite_w(madr, value);	i286_memorywrite_w(madr, value);
return;	return;
}	}
out = (WORD *)(mem + madr);	out = (UINT16 *)(mem + madr);
}	}
WORD_INC(*out)	WORD_INC(*out)
}	}

I286_F6 _dec_ea16(DWORD op) {	I286_F6 _dec_ea16(UINT op) {

DWORD madr;	UINT32 madr;
WORD *out;	UINT16 *out;

if (op >= 0xc0) {	if (op >= 0xc0) {
I286_CLOCK(2)	I286_WORKCLOCK(2);
out = reg16_b20[op];	out = REG16_B20(op);
}	}
else {	else {
I286_CLOCK(7)	I286_WORKCLOCK(7);
madr = c_calc_ea_dst[op]();	madr = CALC_EA(op);
if (INHIBIT_WORDP(madr)) {	if (INHIBIT_WORDP(madr)) {
WORD value = i286_memoryread_w(madr);	REG16 value = i286_memoryread_w(madr);
WORD_DEC(value)	WORD_DEC(value)
i286_memorywrite_w(madr, value);	i286_memorywrite_w(madr, value);
return;	return;
}	}
out = (WORD *)(mem + madr);	out = (UINT16 *)(mem + madr);
}	}
WORD_DEC(*out)	WORD_DEC(*out)
}	}

I286_F6 _call_ea16(DWORD op) {	I286_F6 _call_ea16(UINT op) {

WORD src;	UINT16 src;

if (op >= 0xc0) {	if (op >= 0xc0) {
I286_CLOCK(7)	I286_WORKCLOCK(7);
src = *(reg16_b20[op]);	src = *(REG16_B20(op));
}	}
else {	else {
I286_CLOCK(11)	I286_WORKCLOCK(11);
src = i286_memoryread_w(c_calc_ea_dst[op]());	src = i286_memoryread_w(CALC_EA(op));
}	}
REGPUSH0(I286_IP);	REGPUSH0(I286_IP);
I286_IP = src;	I286_IP = src;
}	}

I286_F6 _call_far_ea16(DWORD op) {	I286_F6 _call_far_ea16(UINT op) {

I286_CLOCK(16)	UINT32 seg;
	UINT ad;

	I286_WORKCLOCK(16);
if (op < 0xc0) {	if (op < 0xc0) {
WORD ad = c_get_ea[op]();	ad = GET_EA(op, &seg);
REGPUSH0(I286_CS) // ToDo	REGPUSH0(I286_CS) // ToDo
REGPUSH0(I286_IP)	REGPUSH0(I286_IP)
I286_IP = i286_memoryread_w(ad + EA_FIX);	I286_IP = i286_memoryread_w(seg + ad);
ad += 2;	I286_CS = i286_memoryread_w(seg + LOW16(ad + 2));
I286_CS = i286_memoryread_w(ad + EA_FIX);	CS_BASE = I286_CS << 4;
CS_BASE = (DWORD)I286_CS << 4;
}	}
else {	else {
INT_NUM(6, I286_IP - 2);	INT_NUM(6, I286_IP - 2);
}	}
}	}

I286_F6 _jmp_ea16(DWORD op) {	I286_F6 _jmp_ea16(UINT op) {

if (op >= 0xc0) {	if (op >= 0xc0) {
I286_CLOCK(7)	I286_WORKCLOCK(7);
I286_IP = *(reg16_b20[op]);	I286_IP = *(REG16_B20(op));
}	}
else {	else {
I286_CLOCK(11)	I286_WORKCLOCK(11);
I286_IP = i286_memoryread_w(c_calc_ea_dst[op]());	I286_IP = i286_memoryread_w(CALC_EA(op));
}	}
}	}

I286_F6 _jmp_far_ea16(DWORD op) {	I286_F6 _jmp_far_ea16(UINT op) {

	UINT32 seg;
	UINT ad;

I286_CLOCK(11)	I286_WORKCLOCK(11);
if (op < 0xc0) {	if (op < 0xc0) {
WORD ad = c_get_ea[op]();	ad = GET_EA(op, &seg);
I286_IP = i286_memoryread_w(ad + EA_FIX);	I286_IP = i286_memoryread_w(seg + ad);
ad += 2;	I286_CS = i286_memoryread_w(seg + LOW16(ad + 2));
I286_CS = i286_memoryread_w(ad + EA_FIX);	CS_BASE = I286_CS << 4;
CS_BASE = (DWORD)I286_CS << 4;
}	}
else {	else {
INT_NUM(6, I286_IP - 2);	INT_NUM(6, I286_IP - 2);
}	}
}	}

I286_F6 _push_ea16(DWORD op) {	I286_F6 _push_ea16(UINT op) {

WORD src;	UINT16 src;

if (op >= 0xc0) {	if (op >= 0xc0) {
I286_CLOCK(3)	I286_WORKCLOCK(3);
src = *(reg16_b20[op]);	src = *(REG16_B20(op));
}	}
else {	else {
I286_CLOCK(5)	I286_WORKCLOCK(5);
src = i286_memoryread_w(c_calc_ea_dst[op]());	src = i286_memoryread_w(CALC_EA(op));
}	}
REGPUSH0(src);	REGPUSH0(src);
}	}

I286_F6 _pop_ea16(DWORD op) {	I286_F6 _pop_ea16(UINT op) {

WORD src;	UINT16 src;

REGPOP0(src);	REGPOP0(src);
I286_CLOCK(5)	I286_WORKCLOCK(5);
if (op >= 0xc0) {	if (op >= 0xc0) {
*(reg16_b20[op]) = src;	*(REG16_B20(op)) = src;
}	}
else {	else {
i286_memorywrite_w(c_calc_ea_dst[op](), src);	i286_memorywrite_w(CALC_EA(op), src);
}	}
}	}

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	Added in v.1.9