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📄 opcodec.c

📁 这个是延伸mame的在wince平台下的游戏模拟器的代码
💻 C
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123 
}}}}
void op_c140(void) /* EXG */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
	LONG src = regs.d[srcreg].D;
	regs.d[srcreg].D = regs.d[dstreg].D;
	regs.d[dstreg].D = src;
}

void op_c148(void) /* EXG */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
	LONG src = regs.a[srcreg];
	regs.a[srcreg] = regs.a[dstreg];
	regs.a[dstreg] = src;
}

void op_c150(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = regs.a[dstreg];
	WORD dst = get_word(dsta);
	src &= dst;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c158(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = regs.a[dstreg];
	WORD dst = get_word(dsta);
{	regs.a[dstreg] += 2;
	src &= dst;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c160(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	regs.a[dstreg] -= 2;
{	CPTR dsta = regs.a[dstreg];
	WORD dst = get_word(dsta);
	src &= dst;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c168(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = regs.a[dstreg] + (LONG)(WORD)nextiword();
	WORD dst = get_word(dsta);
	src &= dst;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c170(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = get_disp_ea(regs.a[dstreg]);
{	WORD dst = get_word(dsta);
	src &= dst;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c178(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = (LONG)(WORD)nextiword();
	WORD dst = get_word(dsta);
	src &= dst;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c179(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = nextilong();
	WORD dst = get_word(dsta);
	src &= dst;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c188(void) /* EXG */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
	LONG src = regs.d[srcreg].D;
	regs.d[srcreg].D = regs.a[dstreg];
	regs.a[dstreg] = (src);
}

void op_c190(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = regs.a[dstreg];
	LONG dst = get_long(dsta);
	src &= dst;
	put_long(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c198(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = regs.a[dstreg];
	LONG dst = get_long(dsta);
{	regs.a[dstreg] += 4;
	src &= dst;
	put_long(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1a0(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	LONG src = regs.d[srcreg].D;
{	regs.a[dstreg] -= 4;
{	CPTR dsta = regs.a[dstreg];
	LONG dst = get_long(dsta);
	src &= dst;
	put_long(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1a8(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = regs.a[dstreg] + (LONG)(WORD)nextiword();
	LONG dst = get_long(dsta);
	src &= dst;
	put_long(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c1b0(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
	ULONG dstreg = opcode & 7;
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = get_disp_ea(regs.a[dstreg]);
{	LONG dst = get_long(dsta);
	src &= dst;
	put_long(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1b8(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = (LONG)(WORD)nextiword();
	LONG dst = get_long(dsta);
	src &= dst;
	put_long(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c1b9(void) /* AND */
{
	ULONG srcreg = ((opcode >> 9) & 7);
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = nextilong();
	LONG dst = get_long(dsta);
	src &= dst;
	put_long(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_c1c0(void) /* MULS */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	WORD dst = regs.d[dstreg].W.l;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1d0(void) /* MULS */
{
	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;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1d8(void) /* MULS */
{
	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;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}}
void op_c1e0(void) /* MULS */
{
	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;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}}
void op_c1e8(void) /* MULS */
{
	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;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1f0(void) /* MULS */
{
	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;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}}
void op_c1f8(void) /* MULS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
{	WORD dst = regs.d[dstreg].W.l;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1f9(void) /* MULS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = nextilong();
	WORD src = get_word(srca);
{	WORD dst = regs.d[dstreg].W.l;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
void op_c1fa(void) /* MULS */
{
	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;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}}
void op_c1fb(void) /* MULS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = get_disp_ea(m68k_getpc());
{	WORD src = get_word(srca);
{	WORD dst = regs.d[dstreg].W.l;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}}
void op_c1fc(void) /* MULS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = nextiword();
{	WORD dst = regs.d[dstreg].W.l;
{	LONG newv = (LONG)(WORD)dst * (LONG)(WORD)src;
	regs.d[dstreg].D = (newv);
	CLEARFLGS;
	if ( newv <= 0 )
		{
		if ( newv ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}}
123

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