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Neko Project II

#include	"compiler.h"
#include	"i286.h"
#include	"i286c.h"
#include	"i286c.mcr"
#include	"memory.h"
#include	"nevent.h"


// -------------------------------------------------------- opecode 0x80,1,2,3

// ----- reg8

I286_8X _add_r8_i(BYTE *p) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = *p;
	ADDBYTE(res, dst, src);
	*p = (BYTE)res;
}

I286_8X _or_r8_i(BYTE *p) {

	DWORD	src;

	GET_PCBYTE(src)
	ORBYTE((*p), src);
}

I286_8X _adc_r8_i(BYTE *p) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = *p;
	ADCBYTE(res, dst, src);
	*p = (BYTE)res;
}

I286_8X _sbb_r8_i(BYTE *p) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = *p;
	SBBBYTE(res, dst, src);
	*p = (BYTE)res;
}

I286_8X _and_r8_i(BYTE *p) {

	DWORD	src;

	GET_PCBYTE(src)
	ANDBYTE((*p), src);
}

I286_8X _sub_r8_i(BYTE *p) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = *p;
	BYTE_SUB(res, dst, src);
	*p = (BYTE)res;
}

I286_8X _xor_r8_i(BYTE *p) {

	DWORD	src;

	GET_PCBYTE(src)
	BYTE_XOR((*p), src);
}

I286_8X _cmp_r8_i(BYTE *p) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = *p;
	BYTE_SUB(res, dst, src);
}


// ----- ext8

I286_8X _add_ext8_i(DWORD madr) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	ADDBYTE(res, dst, src);
	i286_memorywrite(madr, (BYTE)res);
}

I286_8X _or_ext8_i(DWORD madr) {

	DWORD	src, dst;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	ORBYTE(dst, src);
	i286_memorywrite(madr, (BYTE)dst);
}

I286_8X _adc_ext8_i(DWORD madr) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	ADCBYTE(res, dst, src);
	i286_memorywrite(madr, (BYTE)res);
}

I286_8X _sbb_ext8_i(DWORD madr) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	SBBBYTE(res, dst, src);
	i286_memorywrite(madr, (BYTE)res);
}

I286_8X _and_ext8_i(DWORD madr) {

	DWORD	src, dst;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	ANDBYTE(dst, src);
	i286_memorywrite(madr, (BYTE)dst);
}

I286_8X _sub_ext8_i(DWORD madr) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	BYTE_SUB(res, dst, src);
	i286_memorywrite(madr, (BYTE)res);
}

I286_8X _xor_ext8_i(DWORD madr) {

	DWORD	src, dst;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	BYTE_XOR(dst, src);
	i286_memorywrite(madr, (BYTE)dst);
}

I286_8X _cmp_ext8_i(DWORD madr) {

	DWORD	src, dst, res;

	GET_PCBYTE(src)
	dst = i286_memoryread(madr);
	BYTE_SUB(res, dst, src);
}


const I286OP8XREG8 c_op8xreg8_table[] = {
		_add_r8_i,		_or_r8_i,		_adc_r8_i,		_sbb_r8_i,
		_and_r8_i,		_sub_r8_i,		_xor_r8_i,		_cmp_r8_i};

const I286OP8XEXT8 c_op8xext8_table[] = {
		_add_ext8_i,	_or_ext8_i,		_adc_ext8_i,	_sbb_ext8_i,
		_and_ext8_i,	_sub_ext8_i,	_xor_ext8_i,	_cmp_ext8_i};

// -------------------------------------------------------------------------

// ----- reg16

I286_8X _add_r16_i(WORD *p, DWORD src) {

	DWORD	dst, res;

	dst = *p;
	ADDWORD(res, dst, src);
	*p = (WORD)res;
}

I286_8X _or_r16_i(WORD *p, DWORD src) {

	ORWORD((*p), src);
}

I286_8X _adc_r16_i(WORD *p, DWORD src) {

	DWORD	dst, res;

	dst = *p;
	ADCWORD(res, dst, src);
	*p = (WORD)res;
}

I286_8X _sbb_r16_i(WORD *p, DWORD src) {

	DWORD	dst, res;

	dst = *p;
	SBBWORD(res, dst, src);
	*p = (WORD)res;
}

I286_8X _and_r16_i(WORD *p, DWORD src) {

	ANDWORD((*p), src);
}

I286_8X _sub_r16_i(WORD *p, DWORD src) {

	DWORD	dst, res;

	dst = *p;
	WORD_SUB(res, dst, src);
	*p = (WORD)res;
}

I286_8X _xor_r16_i(WORD *p, DWORD src) {

	WORD_XOR((*p), src);
}

I286_8X _cmp_r16_i(WORD *p, DWORD src) {

	DWORD	dst, res;

	dst = *p;
	WORD_SUB(res, dst, src);
}

// ----- ext16

I286_8X _add_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst, res;

	dst = i286_memoryread_w(madr);
	ADDWORD(res, dst, src);
	i286_memorywrite_w(madr, (WORD)res);
}

I286_8X _or_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst;

	dst = i286_memoryread_w(madr);
	ORWORD(dst, src);
	i286_memorywrite_w(madr, (WORD)dst);
}

I286_8X _adc_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst, res;

	dst = i286_memoryread_w(madr);
	ADCWORD(res, dst, src);
	i286_memorywrite_w(madr, (WORD)res);
}

I286_8X _sbb_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst, res;

	dst = i286_memoryread_w(madr);
	SBBWORD(res, dst, src);
	i286_memorywrite_w(madr, (WORD)res);
}

I286_8X _and_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst;

	dst = i286_memoryread_w(madr);
	ANDWORD(dst, src);
	i286_memorywrite_w(madr, (WORD)dst);
}

I286_8X _sub_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst, res;

	dst = i286_memoryread_w(madr);
	WORD_SUB(res, dst, src);
	i286_memorywrite_w(madr, (WORD)res);
}

I286_8X _xor_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst;

	dst = i286_memoryread_w(madr);
	WORD_XOR(dst, src);
	i286_memorywrite_w(madr, (WORD)dst);
}

I286_8X _cmp_ext16_i(DWORD madr, DWORD src) {

	DWORD	dst, res;

	dst = i286_memoryread_w(madr);
	WORD_SUB(res, dst, src);
}


const I286OP8XREG16 c_op8xreg16_table[] = {
		_add_r16_i,		_or_r16_i,		_adc_r16_i,		_sbb_r16_i,
		_and_r16_i,		_sub_r16_i,		_xor_r16_i,		_cmp_r16_i};

const I286OP8XEXT16 c_op8xext16_table[] = {
		_add_ext16_i,	_or_ext16_i,	_adc_ext16_i,	_sbb_ext16_i,
		_and_ext16_i,	_sub_ext16_i,	_xor_ext16_i,	_cmp_ext16_i};