cpuemu_02.c

十七种模拟器源代码 非常有用的作课程设计不可缺少的

}
}
m68k_incpc(4);
return 8;
}
unsigned long op_5070_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
m68k_incpc(2);
{
	unsigned int dsta = get_disp_ea_020(m68k_areg(regs, dstreg), next_iword());
{
	INT16 dst = cpu_readmem24_word(dsta);
{
{
UINT32 newv = ((INT16)(dst)) + ((INT16)(src));
{
	int flgs = ((INT16)(src)) < 0;
	int flgo = ((INT16)(dst)) < 0;
	int flgn = ((INT16)(newv)) < 0;
	SET_ZFLG (((INT16)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT16)(~dst)) < ((UINT16)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
}
return 9;
}
unsigned long op_5078_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = (INT32)(INT16)get_iword(2);
{
	INT16 dst = cpu_readmem24_word(dsta);
{
{
UINT32 newv = ((INT16)(dst)) + ((INT16)(src));
{
	int flgs = ((INT16)(src)) < 0;
	int flgo = ((INT16)(dst)) < 0;
	int flgn = ((INT16)(newv)) < 0;
	SET_ZFLG (((INT16)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT16)(~dst)) < ((UINT16)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(4);
return 8;
}
unsigned long op_5079_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = get_ilong(2);
{
	INT16 dst = cpu_readmem24_word(dsta);
{
{
UINT32 newv = ((INT16)(dst)) + ((INT16)(src));
{
	int flgs = ((INT16)(src)) < 0;
	int flgo = ((INT16)(dst)) < 0;
	int flgn = ((INT16)(newv)) < 0;
	SET_ZFLG (((INT16)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT16)(~dst)) < ((UINT16)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(6);
return 10;
}
unsigned long op_5080_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	INT32 dst = m68k_dreg(regs, dstreg);
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	m68k_dreg(regs, dstreg) = (newv);
}
}
}
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_5088_0(UINT32 opcode) /* ADDA */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	INT32 dst = m68k_areg(regs, dstreg);
{
	UINT32 newv = dst + src;
	m68k_areg(regs, dstreg) = (newv);
}
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_5090_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg);
{
	INT32 dst = cpu_readmem24_dword(dsta);
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 10;
}
unsigned long op_5098_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg);
{
	INT32 dst = cpu_readmem24_dword(dsta);
	m68k_areg(regs, dstreg) += 4;
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 10;
}
unsigned long op_50a0_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg) - 4;
{
	INT32 dst = cpu_readmem24_dword(dsta);
	m68k_areg (regs, dstreg) = dsta;
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 11;
}
unsigned long op_50a8_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg) + (INT32)(INT16)get_iword(2);
{
	INT32 dst = cpu_readmem24_dword(dsta);
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(4);
return 12;
}
unsigned long op_50b0_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
m68k_incpc(2);
{
	unsigned int dsta = get_disp_ea_020(m68k_areg(regs, dstreg), next_iword());
{
	INT32 dst = cpu_readmem24_dword(dsta);
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
}
return 13;
}
unsigned long op_50b8_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = (INT32)(INT16)get_iword(2);
{
	INT32 dst = cpu_readmem24_dword(dsta);
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(4);
return 12;
}
unsigned long op_50b9_0(UINT32 opcode) /* ADD */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = get_ilong(2);
{
	INT32 dst = cpu_readmem24_dword(dsta);
{
{
UINT32 newv = ((INT32)(dst)) + ((INT32)(src));
{
	int flgs = ((INT32)(src)) < 0;
	int flgo = ((INT32)(dst)) < 0;
	int flgn = ((INT32)(newv)) < 0;
	SET_ZFLG (((INT32)(newv)) == 0);
	SET_VFLG ((flgs ^ flgn) & (flgo ^ flgn));
	SET_CFLG (((UINT32)(~dst)) < ((UINT32)(src)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(6);
return 14;
}
unsigned long op_50c0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
{
	int val = cctrue(0) ? 0xff : 0;
	m68k_dreg(regs, srcreg) = (m68k_dreg(regs, srcreg) & ~0xff) | ((val) & 0xff);
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_50c8_0(UINT32 opcode) /* DBcc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	INT16 src = m68k_dreg(regs, srcreg);
{
	INT16 offs = get_iword(2);
	if (!cctrue(0)) {
	m68k_dreg(regs, srcreg) = (m68k_dreg(regs, srcreg) & ~0xffff) | (((src-1)) & 0xffff);
		if (src) {
			m68k_incpc((INT32)offs + 2);
		return 6;
		}
	}
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_50d0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg);
{
	int val = cctrue(0) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_50d8_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg);
	m68k_areg(regs, srcreg) += areg_byteinc[srcreg];
{
	int val = cctrue(0) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_50e0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg) - areg_byteinc[srcreg];
	m68k_areg (regs, srcreg) = srca;
{
	int val = cctrue(0) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 5;
}
unsigned long op_50e8_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg) + (INT32)(INT16)get_iword(2);
{
	int val = cctrue(0) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_50f0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
m68k_incpc(2);
{
	unsigned int srca = get_disp_ea_020(m68k_areg(regs, srcreg), next_iword());
{
	int val = cctrue(0) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
}
return 7;
}
unsigned long op_50f8_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = (INT32)(INT16)get_iword(2);
{
	int val = cctrue(0) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_50f9_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = get_ilong(2);
{
	int val = cctrue(0) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(6);
return 8;
}
unsigned long op_50fa_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(0)) { Exception(7,m68k_getpc()); goto endlabel962; }
}
}
m68k_incpc(4);
endlabel962: ;
return 4;
}
unsigned long op_50fb_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(0)) { Exception(7,m68k_getpc()); goto endlabel963; }
}
}
m68k_incpc(6);
endlabel963: ;
return 6;
}
unsigned long op_50fc_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
	if (cctrue(0)) { Exception(7,m68k_getpc()); goto endlabel964; }
}
m68k_incpc(2);
endlabel964: ;
return 2;
}
unsigned long op_5100_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	INT8 dst = m68k_dreg(regs, dstreg);
{
{
UINT32 newv = ((INT8)(dst)) - ((INT8)(src));
{
	int flgs = ((INT8)(src)) < 0;
	int flgo = ((INT8)(dst)) < 0;
	int flgn = ((INT8)(newv)) < 0;
	SET_ZFLG (((INT8)(newv)) == 0);
	SET_VFLG ((flgs ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT8)(src)) > ((UINT8)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	m68k_dreg(regs, dstreg) = (m68k_dreg(regs, dstreg) & ~0xff) | ((newv) & 0xff);
}
}
}
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_5110_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg);
{
	INT8 dst = cpu_readmem24(dsta);
{
{
UINT32 newv = ((INT8)(dst)) - ((INT8)(src));
{
	int flgs = ((INT8)(src)) < 0;
	int flgo = ((INT8)(dst)) < 0;
	int flgn = ((INT8)(newv)) < 0;
	SET_ZFLG (((INT8)(newv)) == 0);
	SET_VFLG ((flgs ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT8)(src)) > ((UINT8)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 6;
}
unsigned long op_5118_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg);
{
	INT8 dst = cpu_readmem24(dsta);
	m68k_areg(regs, dstreg) += areg_byteinc[dstreg];
{
{
UINT32 newv = ((INT8)(dst)) - ((INT8)(src));
{
	int flgs = ((INT8)(src)) < 0;
	int flgo = ((INT8)(dst)) < 0;
	int flgn = ((INT8)(newv)) < 0;
	SET_ZFLG (((INT8)(newv)) == 0);
	SET_VFLG ((flgs ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT8)(src)) > ((UINT8)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 6;
}
unsigned long op_5120_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg) - areg_byteinc[dstreg];
{
	INT8 dst = cpu_readmem24(dsta);
	m68k_areg (regs, dstreg) = dsta;
{
{
UINT32 newv = ((INT8)(dst)) - ((INT8)(src));
{
	int flgs = ((INT8)(src)) < 0;
	int flgo = ((INT8)(dst)) < 0;
	int flgn = ((INT8)(newv)) < 0;
	SET_ZFLG (((INT8)(newv)) == 0);
	SET_VFLG ((flgs ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT8)(src)) > ((UINT8)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 7;
}
unsigned long op_5128_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];