opcode3.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 1,385 行 · 第 1/3 页

C
1,385 行
字号
123
#include "cpudefs.h"
void op_3000(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.d[srcreg].W.l;
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3008(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.a[srcreg];
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3010(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3018(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	regs.a[srcreg] += 2;
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_3020(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	regs.a[srcreg] -= 2;
{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_3028(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3030(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = get_disp_ea(regs.a[srcreg]);
{	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_3038(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3039(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = nextilong();
	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_303a(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = m68k_getpc();
	srca += (LONG)(WORD)nextiword();
{	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_303b(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = get_disp_ea(m68k_getpc());
{	WORD src = get_word(srca);
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_303c(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = nextiword();
	regs.d[dstreg].W.l = src;
{	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3040(void) /* MOVEA */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}
void op_3048(void) /* MOVEA */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.a[srcreg];
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}
void op_3050(void) /* MOVEA */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}
void op_3058(void) /* MOVEA */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	regs.a[srcreg] += 2;
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}}
void op_3060(void) /* MOVEA */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	regs.a[srcreg] -= 2;
{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}}
void op_3068(void) /* MOVEA */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}
void op_3070(void) /* MOVEA */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = get_disp_ea(regs.a[srcreg]);
{	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}}
void op_3078(void) /* MOVEA */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}
void op_3079(void) /* MOVEA */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = nextilong();
	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}
void op_307a(void) /* MOVEA */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = m68k_getpc();
	srca += (LONG)(WORD)nextiword();
{	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}}
void op_307b(void) /* MOVEA */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = get_disp_ea(m68k_getpc());
{	WORD src = get_word(srca);
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}}
void op_307c(void) /* MOVEA */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = nextiword();
{	regs.a[dstreg] = (LONG)(WORD)(src);
}}}}
void op_3080(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3088(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.a[srcreg];
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3090(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_3098(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	regs.a[srcreg] += 2;
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30a0(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	regs.a[srcreg] -= 2;
{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30a8(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg] + (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_30b0(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = get_disp_ea(regs.a[srcreg]);
{	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30b8(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = (LONG)(WORD)nextiword();
	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_30b9(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = nextilong();
	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_30ba(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = m68k_getpc();
	srca += (LONG)(WORD)nextiword();
{	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30bb(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = get_disp_ea(m68k_getpc());
{	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30bc(void) /* MOVE */
{
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = nextiword();
{	CPTR dsta = regs.a[dstreg];
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}
void op_30c0(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.d[srcreg].W.l;
{	CPTR dsta = regs.a[dstreg];
{	regs.a[dstreg] += 2;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30c8(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	WORD src = regs.a[srcreg];
{	CPTR dsta = regs.a[dstreg];
{	regs.a[dstreg] += 2;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30d0(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	CPTR dsta = regs.a[dstreg];
{	regs.a[dstreg] += 2;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
	if ( src < 0 )
		NFLG = NTRUE ;
}}}}}
void op_30d8(void) /* MOVE */
{
	ULONG srcreg = (opcode & 7);
	ULONG dstreg = (opcode >> 9) & 7;
{{	CPTR srca = regs.a[srcreg];
	WORD src = get_word(srca);
{	regs.a[srcreg] += 2;
{	CPTR dsta = regs.a[dstreg];
{	regs.a[dstreg] += 2;
	put_word(dsta,src);
	CLEARFLGS;
	if ( src == 0 )
		ZFLG = ZTRUE ;
123

opcode3.c - 源码说明

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