📄 opcode8.c

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	put_byte(dsta,src);
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
}}}}
void op_8150(void) /* OR */
{
	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_8158(void) /* OR */
{
	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_8160(void) /* OR */
{
	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_8168(void) /* OR */
{
	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_8170(void) /* OR */
{
	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_8178(void) /* OR */
{
	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_8179(void) /* OR */
{
	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_8190(void) /* OR */
{
	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_8198(void) /* OR */
{
	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_81a0(void) /* OR */
{
	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_81a8(void) /* OR */
{
	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_81b0(void) /* OR */
{
	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;
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
	put_long(dsta,src);
}}}}}
void op_81b8(void) /* OR */
{
	ULONG srcreg = ((opcode >> 9) & 7);
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = (LONG)(WORD)nextiword();
	LONG dst = get_long(dsta);
	src |= dst;
	CLEARFLGS;
	if ( src <= 0 )
		{
		if ( src ==  0 )
			{
			ZFLG = ZTRUE;
			}
		else
			{
			NFLG = NTRUE;
			}
		}
	put_long(dsta,src);
}}}}
void op_81b9(void) /* OR */
{
	ULONG srcreg = ((opcode >> 9) & 7);
{{	LONG src = regs.d[srcreg].D;
{	CPTR dsta = nextilong();
	LONG dst = get_long(dsta);
	src |= dst;
	CLEARVC;
	ZFLG = ((LONG)(src)) == 0;
	NFLG = ((LONG)(src)) < 0;
	put_long(dsta,src);
}}}}
void op_81c0(void) /* DIVS */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	WORD src = regs.d[srcreg].W.l;
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 38;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 150;
	}
}}}}
void op_81d0(void) /* DIVS */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 42;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 154;
	}
}}}}
void op_81d8(void) /* DIVS */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	regs.a[srcreg] += 2;
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 42;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 154;
	}
}}}}}
void op_81e0(void) /* DIVS */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	regs.a[srcreg] -= 2;
{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 44;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 156;
	}
}}}}}
void op_81e8(void) /* DIVS */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 46;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 158;
	}
}}}}
void op_81f0(void) /* DIVS */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = get_disp_ea(regs.a[srcreg]);
{	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 48;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 160;
	}
}}}}}
void op_81f8(void) /* DIVS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 46;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 158;
	}
}}}}
void op_81f9(void) /* DIVS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = nextilong();
	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 50;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 162;
	}
}}}}
void op_81fa(void) /* DIVS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = m68k_getpc();
	srca += (LONG)(WORD)nextiword();
{	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 46;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 158;
	}
}}}}}
void op_81fb(void) /* DIVS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	CPTR srca = get_disp_ea(m68k_getpc());
{	WORD src = get_word(srca);
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 48;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 160;
	}
}}}}}
void op_81fc(void) /* DIVS */
{
	ULONG dstreg = (opcode >> 9) & 7;
{	CPTR oldpc = m68k_getpc();
{	WORD src = nextiword();
{	LONG dst = regs.d[dstreg].D;
	if(src == 0){	MC68000_ICount -= 42;
	Exception(5,oldpc-2);} else {
	LONG newv = (LONG)dst / (LONG)(WORD)src;
	UWORD rem = (LONG)dst % (LONG)(WORD)src;
	if ((newv & 0xffff8000) != 0 && (newv & 0xffff8000) != 0xffff8000) { VFLG = NFLG = 1; CFLG = 0; } else
	{
	if (((WORD)rem < 0) != ((LONG)dst < 0)) rem = -rem;
	CLEARVC;
	ZFLG = ((WORD)(newv)) == 0;
	NFLG = ((WORD)(newv)) < 0;
	newv = (newv & 0xffff) | ((ULONG)rem << 16);
	regs.d[dstreg].D = (newv);
	}
	MC68000_ICount -= 154;
	}
}}}}
上一页 1 23
💿 文件大小 2660 K
👤 上传用户 foreigngirl
📂 所属分类 Windows CE
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