⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 cpu9.c

📁 树大根深三棱尽所标杆ssfsfsa fdsafs
💻 C
📖 第 1 页 / 共 3 页
字号:
	put_byte(dsta,newv);}}}}}}}void op_9140(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	WORD src = (Shptr->regs).d[srcreg];{	WORD dst = (Shptr->regs).d[dstreg];{	ULONG newv = dst - src - ((Shptr->regs).x ? 1 : 0);{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	VFLG = (!flgs && flgo && !flgn) || (flgs && !flgo && flgn);	(Shptr->regs).x = CFLG = (flgs && !flgo) || (flgn && (!flgo || flgs));	if (((WORD)(newv)) != 0) ZFLG = 0;	NFLG = ((WORD)(newv)) < 0;	(Shptr->regs).d[dstreg] &= ~0xffff; (Shptr->regs).d[dstreg] |= (newv) & 0xffff;}}}}}}void op_9148(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	(Shptr->regs).a[srcreg] -= 2;{	CPTR srca = (Shptr->regs).a[srcreg];	WORD src = get_word(srca);{	(Shptr->regs).a[dstreg] -= 2;{	CPTR dsta = (Shptr->regs).a[dstreg];	WORD dst = get_word(dsta);{	ULONG newv = dst - src - ((Shptr->regs).x ? 1 : 0);{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	VFLG = (!flgs && flgo && !flgn) || (flgs && !flgo && flgn);	(Shptr->regs).x = CFLG = (flgs && !flgo) || (flgn && (!flgo || flgs));	if (((WORD)(newv)) != 0) ZFLG = 0;	NFLG = ((WORD)(newv)) < 0;	put_word(dsta,newv);}}}}}}}}void op_9150(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	WORD src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg];	WORD dst = get_word(dsta);{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	ZFLG = ((WORD)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((UWORD)(src)) > ((UWORD)(dst));	NFLG = flgn != 0;	put_word(dsta,newv);}}}}}}}void op_9158(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	WORD src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg];	WORD dst = get_word(dsta);{	(Shptr->regs).a[dstreg] += 2;{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	ZFLG = ((WORD)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((UWORD)(src)) > ((UWORD)(dst));	NFLG = flgn != 0;	put_word(dsta,newv);}}}}}}}}void op_9160(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	WORD src = (Shptr->regs).d[srcreg];{	(Shptr->regs).a[dstreg] -= 2;{	CPTR dsta = (Shptr->regs).a[dstreg];	WORD dst = get_word(dsta);{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	ZFLG = ((WORD)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((UWORD)(src)) > ((UWORD)(dst));	NFLG = flgn != 0;	put_word(dsta,newv);}}}}}}}}void op_9168(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	WORD src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg] + (LONG)(WORD)nextiword();	WORD dst = get_word(dsta);{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	ZFLG = ((WORD)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((UWORD)(src)) > ((UWORD)(dst));	NFLG = flgn != 0;	put_word(dsta,newv);}}}}}}}void op_9170(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	WORD src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg];	dsta = get_disp_ea (dsta, nextiword());{	WORD dst = get_word(dsta);{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	ZFLG = ((WORD)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((UWORD)(src)) > ((UWORD)(dst));	NFLG = flgn != 0;	put_word(dsta,newv);}}}}}}}}void op_9178(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);{{	WORD src = (Shptr->regs).d[srcreg];{	CPTR dsta = (LONG)(WORD)nextiword();	WORD dst = get_word(dsta);{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	ZFLG = ((WORD)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((UWORD)(src)) > ((UWORD)(dst));	NFLG = flgn != 0;	put_word(dsta,newv);}}}}}}}void op_9179(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);{{	WORD src = (Shptr->regs).d[srcreg];{	CPTR dsta = nextilong();	WORD dst = get_word(dsta);{{ULONG newv = ((WORD)(dst)) - ((WORD)(src));{	int flgs = ((WORD)(src)) < 0;	int flgo = ((WORD)(dst)) < 0;	int flgn = ((WORD)(newv)) < 0;	ZFLG = ((WORD)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((UWORD)(src)) > ((UWORD)(dst));	NFLG = flgn != 0;	put_word(dsta,newv);}}}}}}}void op_9180(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	LONG src = (Shptr->regs).d[srcreg];{	LONG dst = (Shptr->regs).d[dstreg];{	ULONG newv = dst - src - ((Shptr->regs).x ? 1 : 0);{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	VFLG = (!flgs && flgo && !flgn) || (flgs && !flgo && flgn);	(Shptr->regs).x = CFLG = (flgs && !flgo) || (flgn && (!flgo || flgs));	if (((LONG)(newv)) != 0) ZFLG = 0;	NFLG = ((LONG)(newv)) < 0;	(Shptr->regs).d[dstreg] = (newv);}}}}}}void op_9188(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	(Shptr->regs).a[srcreg] -= 4;{	CPTR srca = (Shptr->regs).a[srcreg];	LONG src = get_long(srca);{	(Shptr->regs).a[dstreg] -= 4;{	CPTR dsta = (Shptr->regs).a[dstreg];	LONG dst = get_long(dsta);{	ULONG newv = dst - src - ((Shptr->regs).x ? 1 : 0);{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	VFLG = (!flgs && flgo && !flgn) || (flgs && !flgo && flgn);	(Shptr->regs).x = CFLG = (flgs && !flgo) || (flgn && (!flgo || flgs));	if (((LONG)(newv)) != 0) ZFLG = 0;	NFLG = ((LONG)(newv)) < 0;	put_long(dsta,newv);}}}}}}}}void op_9190(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	LONG src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg];	LONG dst = get_long(dsta);{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	ZFLG = ((LONG)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((ULONG)(src)) > ((ULONG)(dst));	NFLG = flgn != 0;	put_long(dsta,newv);}}}}}}}void op_9198(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	LONG src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg];	LONG dst = get_long(dsta);{	(Shptr->regs).a[dstreg] += 4;{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	ZFLG = ((LONG)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((ULONG)(src)) > ((ULONG)(dst));	NFLG = flgn != 0;	put_long(dsta,newv);}}}}}}}}void op_91a0(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	LONG src = (Shptr->regs).d[srcreg];{	(Shptr->regs).a[dstreg] -= 4;{	CPTR dsta = (Shptr->regs).a[dstreg];	LONG dst = get_long(dsta);{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	ZFLG = ((LONG)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((ULONG)(src)) > ((ULONG)(dst));	NFLG = flgn != 0;	put_long(dsta,newv);}}}}}}}}void op_91a8(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	LONG src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg] + (LONG)(WORD)nextiword();	LONG dst = get_long(dsta);{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	ZFLG = ((LONG)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((ULONG)(src)) > ((ULONG)(dst));	NFLG = flgn != 0;	put_long(dsta,newv);}}}}}}}void op_91b0(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);	ULONG dstreg = (opcode & 7) >> 0;{{	LONG src = (Shptr->regs).d[srcreg];{	CPTR dsta = (Shptr->regs).a[dstreg];	dsta = get_disp_ea (dsta, nextiword());{	LONG dst = get_long(dsta);{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	ZFLG = ((LONG)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((ULONG)(src)) > ((ULONG)(dst));	NFLG = flgn != 0;	put_long(dsta,newv);}}}}}}}}void op_91b8(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);{{	LONG src = (Shptr->regs).d[srcreg];{	CPTR dsta = (LONG)(WORD)nextiword();	LONG dst = get_long(dsta);{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	ZFLG = ((LONG)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((ULONG)(src)) > ((ULONG)(dst));	NFLG = flgn != 0;	put_long(dsta,newv);}}}}}}}void op_91b9(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 3584) >> 9);{{	LONG src = (Shptr->regs).d[srcreg];{	CPTR dsta = nextilong();	LONG dst = get_long(dsta);{{ULONG newv = ((LONG)(dst)) - ((LONG)(src));{	int flgs = ((LONG)(src)) < 0;	int flgo = ((LONG)(dst)) < 0;	int flgn = ((LONG)(newv)) < 0;	ZFLG = ((LONG)(newv)) == 0;	VFLG = (flgs != flgo) && (flgn != flgo);	CFLG = (Shptr->regs).x = ((ULONG)(src)) > ((ULONG)(dst));	NFLG = flgn != 0;	put_long(dsta,newv);}}}}}}}void op_91c0(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	LONG src = (Shptr->regs).d[srcreg];{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}void op_91c8(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	LONG src = (Shptr->regs).a[srcreg];{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}void op_91d0(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = (Shptr->regs).a[srcreg];	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}void op_91d8(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = (Shptr->regs).a[srcreg];	LONG src = get_long(srca);{	(Shptr->regs).a[srcreg] += 4;{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}}void op_91e0(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	(Shptr->regs).a[srcreg] -= 4;{	CPTR srca = (Shptr->regs).a[srcreg];	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}}void op_91e8(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = (Shptr->regs).a[srcreg] + (LONG)(WORD)nextiword();	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}void op_91f0(ULONG opcode){	ULONG srcreg = (LONG)(BYTE)((opcode & 7) >> 0);	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = (Shptr->regs).a[srcreg];	srca = get_disp_ea (srca, nextiword());{	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}}void op_91f8(ULONG opcode){	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = (LONG)(WORD)nextiword();	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}void op_91f9(ULONG opcode){	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = nextilong();	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}void op_91fa(ULONG opcode){	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = MC68000_getpc();	srca += (LONG)(WORD)nextiword();{	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}}void op_91fb(ULONG opcode){	ULONG dstreg = (opcode & 3584) >> 9;{{	CPTR srca = MC68000_getpc();	srca = get_disp_ea (srca, nextiword());{	LONG src = get_long(srca);{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}}void op_91fc(ULONG opcode){	ULONG dstreg = (opcode & 3584) >> 9;{{	LONG src = nextilong();{	LONG dst = (Shptr->regs).a[dstreg];{	ULONG newv = dst - src;	(Shptr->regs).a[dstreg] = (newv);}}}}}

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -