opcode5.c

来自「这个是延伸mame的在wince平台下的游戏模拟器的代码」· C语言 代码 · 共 1,971 行 · 第 1/4 页

C
1,971 行
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1234
{
{{	CPTR srca = nextilong();
{	int val = cctrue(0) ? 0xff : 0;
	put_byte(srca,val);
}}}}
void op_5100(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	BYTE dst = regs.d[dstreg].B.l;
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	regs.d[dstreg].B.l = newv;
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}

void op_5110(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg];
	BYTE dst = get_byte(dsta);
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	put_byte(dsta,newv);
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5118(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg];
	BYTE dst = get_byte(dsta);
{	regs.a[dstreg] += areg_byteinc[dstreg];
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	put_byte(dsta,newv);
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_5120(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	regs.a[dstreg] -= areg_byteinc[dstreg];
{	CPTR dsta = regs.a[dstreg];
	BYTE dst = get_byte(dsta);
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	put_byte(dsta,newv);
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_5128(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg] + (LONG)(WORD)nextiword();
	BYTE dst = get_byte(dsta);
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	put_byte(dsta,newv);
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5130(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = get_disp_ea(regs.a[dstreg]);
{	BYTE dst = get_byte(dsta);
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	put_byte(dsta,newv);
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_5138(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
{{	ULONG src = srcreg;
{	CPTR dsta = (LONG)(WORD)nextiword();
	BYTE dst = get_byte(dsta);
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	put_byte(dsta,newv);
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5139(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
{{	ULONG src = srcreg;
{	CPTR dsta = nextilong();
	BYTE dst = get_byte(dsta);
{{ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	put_byte(dsta,newv);
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UBYTE)(src)) > ((UBYTE)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5140(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	WORD dst = regs.d[dstreg].W.l;
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	regs.d[dstreg].W.l = newv;
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5148(void) /* SUBA */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	LONG dst = regs.a[dstreg];
{	ULONG newv = dst - src;
	regs.a[dstreg] = (newv);
}}}}}
void op_5150(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg];
	WORD dst = get_word(dsta);
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	put_word(dsta,newv);
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5158(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg];
	WORD dst = get_word(dsta);
{	regs.a[dstreg] += 2;
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	put_word(dsta,newv);
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_5160(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	regs.a[dstreg] -= 2;
{	CPTR dsta = regs.a[dstreg];
	WORD dst = get_word(dsta);
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	put_word(dsta,newv);
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_5168(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg] + (LONG)(WORD)nextiword();
	WORD dst = get_word(dsta);
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	put_word(dsta,newv);
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5170(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = get_disp_ea(regs.a[dstreg]);
{	WORD dst = get_word(dsta);
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	put_word(dsta,newv);
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_5178(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
{{	ULONG src = srcreg;
{	CPTR dsta = (LONG)(WORD)nextiword();
	WORD dst = get_word(dsta);
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	put_word(dsta,newv);
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5179(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
{{	ULONG src = srcreg;
{	CPTR dsta = nextilong();
	WORD dst = get_word(dsta);
{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	put_word(dsta,newv);
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((UWORD)(src)) > ((UWORD)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5180(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	LONG dst = regs.d[dstreg].D;
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	regs.d[dstreg].D = (newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5188(void) /* SUBA */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	LONG dst = regs.a[dstreg];
{	ULONG newv = dst - src;
	regs.a[dstreg] = (newv);
}}}}}
void op_5190(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg];
	LONG dst = get_long(dsta);
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	put_long(dsta,newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_5198(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg];
	LONG dst = get_long(dsta);
{	regs.a[dstreg] += 4;
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	put_long(dsta,newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_51a0(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	regs.a[dstreg] -= 4;
{	CPTR dsta = regs.a[dstreg];
	LONG dst = get_long(dsta);
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	put_long(dsta,newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_51a8(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = regs.a[dstreg] + (LONG)(WORD)nextiword();
	LONG dst = get_long(dsta);
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	put_long(dsta,newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_51b0(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
	ULONG dstreg = opcode & 7;
{{	ULONG src = srcreg;
{	CPTR dsta = get_disp_ea(regs.a[dstreg]);
{	LONG dst = get_long(dsta);
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	put_long(dsta,newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}}
void op_51b8(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
{{	ULONG src = srcreg;
{	CPTR dsta = (LONG)(WORD)nextiword();
	LONG dst = get_long(dsta);
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	put_long(dsta,newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_51b9(void) /* SUB */
{
	ULONG srcreg = imm8_table[((opcode >> 9) & 7)];
{{	ULONG src = srcreg;
{	CPTR dsta = nextilong();
	LONG dst = get_long(dsta);
{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	put_long(dsta,newv);
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = regs.x = ((ULONG)(src)) > ((ULONG)(dst));
	NFLG = flgn != 0;
}}}}}}}
void op_51c0(void) /* Scc */
{
	ULONG srcreg = (opcode & 7);
{{{	int val = cctrue(1) ? 0xff : 0;
	regs.d[srcreg].B.l = val;
}}}}

void op_51c8(void) /* DBcc */
{
	WORD offs = nextiword();
	if (!cctrue(1))
		{
		ULONG srcreg = (opcode & 7);
		WORD src = regs.d[srcreg].W.l;
		if (src--)
			{
			regs.pc += (LONG)offs - 2;
			}
		regs.d[srcreg].W.l = src;
		}
}

void op_51d0(void) /* Scc */
{
	ULONG srcreg = (opcode & 7);
{{	CPTR srca = regs.a[srcreg];
{	int val = cctrue(1) ? 0xff : 0;
	put_byte(srca,val);
}}}}
void op_51d8(void) /* Scc */
{
	ULONG srcreg = (opcode & 7);
{{	CPTR srca = regs.a[srcreg];
{	regs.a[srcreg] += areg_byteinc[srcreg];
{	int val = cctrue(1) ? 0xff : 0;
	put_byte(srca,val);
}}}}}
void op_51e0(void) /* Scc */
{
	ULONG srcreg = (opcode & 7);
{{	regs.a[srcreg] -= areg_byteinc[srcreg];
{	CPTR srca = regs.a[srcreg];
{	int val = cctrue(1) ? 0xff : 0;
	put_byte(srca,val);
}}}}}
void op_51e8(void) /* Scc */
{
	ULONG srcreg = (opcode & 7);
{{	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
{	int val = cctrue(1) ? 0xff : 0;
	put_byte(srca,val);
}}}}
void op_51f0(void) /* Scc */
{
	ULONG srcreg = (opcode & 7);
{{	CPTR srca = get_disp_ea(regs.a[srcreg]);
{	int val = cctrue(1) ? 0xff : 0;
	put_byte(srca,val);
}}}}
void op_51f8(void) /* Scc */
{
{{	CPTR srca = (LONG)(WORD)nextiword();
{	int val = cctrue(1) ? 0xff : 0;
	put_byte(srca,val);
1234

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