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📄 opcodeb.c

📁 这个是延伸mame的在wince平台下的游戏模拟器的代码
💻 C
📖 第 1 页 / 共 3 页
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123 
#include "cpudefs.h"
void op_b000(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	BYTE src = regs.d[srcreg].B.l;
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b010(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg];
	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b018(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg];
	BYTE src = get_byte(srca);
	regs.a[srcreg] += areg_byteinc[srcreg];
{	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}}

void op_b020(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	regs.a[srcreg] -= areg_byteinc[srcreg];
{	CPTR srca = regs.a[srcreg];
	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}}

void op_b028(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b030(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = get_disp_ea(regs.a[srcreg]);
	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b038(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = (LONG)(WORD)nextiword();
	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b039(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = nextilong();
	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b03a(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = m68k_getpc();
	srca += (LONG)(WORD)nextiword();
{	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}}

void op_b03b(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = get_disp_ea(m68k_getpc());
	BYTE src = get_byte(srca);
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b03c(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	BYTE src = nextiword();
	BYTE dst = regs.d[dstreg].B.l;
	ULONG newv = ((BYTE)(dst)) - ((BYTE)(src));
	ZFLG = ((BYTE)(newv)) == 0;
{	int flgs = ((BYTE)(src)) < 0;
	int flgo = ((BYTE)(dst)) < 0;
	int flgn = ((BYTE)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UBYTE)(src)) > ((UBYTE)(dst));
}}

void op_b040(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	WORD src = regs.d[srcreg].W.l;
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b048(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	WORD src = regs.a[srcreg];
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b050(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b058(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
	regs.a[srcreg] += 2;
{	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}}

void op_b060(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	regs.a[srcreg] -= 2;
{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}}

void op_b068(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b070(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = get_disp_ea(regs.a[srcreg]);
	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b078(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b079(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = nextilong();
	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b07a(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = m68k_getpc();
	srca += (LONG)(WORD)nextiword();
{	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}}

void op_b07b(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = get_disp_ea(m68k_getpc());
	WORD src = get_word(srca);
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b07c(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	WORD src = nextiword();
	WORD dst = regs.d[dstreg].W.l;
	ULONG newv = ((WORD)(dst)) - ((WORD)(src));
	ZFLG = ((WORD)(newv)) == 0;
{	int flgs = ((WORD)(src)) < 0;
	int flgo = ((WORD)(dst)) < 0;
	int flgn = ((WORD)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((UWORD)(src)) > ((UWORD)(dst));
}}

void op_b080(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	LONG src = regs.d[srcreg].D;
	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((ULONG)(src)) > ((ULONG)(dst));
}}

void op_b088(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	LONG src = regs.a[srcreg];
	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((ULONG)(src)) > ((ULONG)(dst));
}}

void op_b090(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg];
	LONG src = get_long(srca);
	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((ULONG)(src)) > ((ULONG)(dst));
}}

void op_b098(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg];
	LONG src = get_long(srca);
	regs.a[srcreg] += 4;
{	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((ULONG)(src)) > ((ULONG)(dst));
}}}

void op_b0a0(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	regs.a[srcreg] -= 4;
{	CPTR srca = regs.a[srcreg];
	LONG src = get_long(srca);
	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((ULONG)(src)) > ((ULONG)(dst));
}}}

void op_b0a8(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
	LONG src = get_long(srca);
	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((ULONG)(src)) > ((ULONG)(dst));
}}

void op_b0b0(void) /* CMP */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = get_disp_ea(regs.a[srcreg]);
	LONG src = get_long(srca);
	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
	NFLG = flgn != 0;
	VFLG = (flgs != flgo) && (flgn != flgo);
	CFLG = ((ULONG)(src)) > ((ULONG)(dst));
}}

void op_b0b8(void) /* CMP */
{
	ULONG dstreg = (opcode >> 9) & 7;
	CPTR srca = (LONG)(WORD)nextiword();
	LONG src = get_long(srca);
	LONG dst = regs.d[dstreg].D;
	ULONG newv = ((LONG)(dst)) - ((LONG)(src));
	ZFLG = ((LONG)(newv)) == 0;
{	int flgs = ((LONG)(src)) < 0;
	int flgo = ((LONG)(dst)) < 0;
	int flgn = ((LONG)(newv)) < 0;
123

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