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

	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = m68k_areg(regs, dstreg) + (INT32)(INT16)get_iword(2);
{
	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(4);
return 8;
}
unsigned long op_5130_0(UINT32 opcode) /* SUB */
{
	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());
{
	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);
}
}
}
}
}
}
}
}
return 9;
}
unsigned long op_5138_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = (INT32)(INT16)get_iword(2);
{
	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(4);
return 8;
}
unsigned long op_5139_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
{
{
	UINT32 src = srcreg;
{
	unsigned int dsta = get_ilong(2);
{
	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(6);
return 10;
}
unsigned long op_5140_0(UINT32 opcode) /* SUB */
{
	UINT32 srcreg = imm8_table[((opcode >> 9) & 7)];
	UINT32 dstreg = opcode & 7;
{
{
	UINT32 src = srcreg;
{
	INT16 dst = m68k_dreg(regs, dstreg);
{
{
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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	m68k_dreg(regs, dstreg) = (m68k_dreg(regs, dstreg) & ~0xffff) | ((newv) & 0xffff);
}
}
}
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_5148_0(UINT32 opcode) /* SUBA */
{
	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_5150_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);
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 6;
}
unsigned long op_5158_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);
{
	INT16 dst = cpu_readmem24_word(dsta);
	m68k_areg(regs, dstreg) += 2;
{
{
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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 6;
}
unsigned long op_5160_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) - 2;
{
	INT16 dst = cpu_readmem24_word(dsta);
	m68k_areg (regs, dstreg) = 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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 7;
}
unsigned long op_5168_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) + (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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(4);
return 8;
}
unsigned long op_5170_0(UINT32 opcode) /* SUB */
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
}
return 9;
}
unsigned long op_5178_0(UINT32 opcode) /* SUB */
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(4);
return 8;
}
unsigned long op_5179_0(UINT32 opcode) /* SUB */
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT16)(src)) > ((UINT16)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_word(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(6);
return 10;
}
unsigned long op_5180_0(UINT32 opcode) /* SUB */
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	m68k_dreg(regs, dstreg) = (newv);
}
}
}
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_5188_0(UINT32 opcode) /* SUBA */
{
	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_5190_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);
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 10;
}
unsigned long op_5198_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);
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 10;
}
unsigned long op_51a0_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) - 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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(2);
return 11;
}
unsigned long op_51a8_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) + (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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(4);
return 12;
}
unsigned long op_51b0_0(UINT32 opcode) /* SUB */
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
}
return 13;
}
unsigned long op_51b8_0(UINT32 opcode) /* SUB */
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(4);
return 12;
}
unsigned long op_51b9_0(UINT32 opcode) /* SUB */
{
	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 ^ flgo) & (flgn ^ flgo));
	SET_CFLG (((UINT32)(src)) > ((UINT32)(dst)));
	COPY_CARRY;
	SET_NFLG (flgn != 0);
	cpu_writemem24_dword(dsta,newv);
}
}
}
}
}
}
}
m68k_incpc(6);
return 14;
}