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

unsigned long op_51c0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
{
	int val = cctrue(1) ? 0xff : 0;
	m68k_dreg(regs, srcreg) = (m68k_dreg(regs, srcreg) & ~0xff) | ((val) & 0xff);
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_51c8_0(UINT32 opcode) /* DBcc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	INT16 src = m68k_dreg(regs, srcreg);
{
	INT16 offs = get_iword(2);
	if (!cctrue(1)) {
	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_51d0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg);
{
	int val = cctrue(1) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_51d8_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(1) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_51e0_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(1) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 5;
}
unsigned long op_51e8_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg) + (INT32)(INT16)get_iword(2);
{
	int val = cctrue(1) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_51f0_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(1) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
}
return 7;
}
unsigned long op_51f8_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = (INT32)(INT16)get_iword(2);
{
	int val = cctrue(1) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_51f9_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = get_ilong(2);
{
	int val = cctrue(1) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(6);
return 8;
}
unsigned long op_51fa_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(1)) { Exception(7,m68k_getpc()); goto endlabel1000; }
}
}
m68k_incpc(4);
endlabel1000: ;
return 4;
}
unsigned long op_51fb_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(1)) { Exception(7,m68k_getpc()); goto endlabel1001; }
}
}
m68k_incpc(6);
endlabel1001: ;
return 6;
}
unsigned long op_51fc_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
	if (cctrue(1)) { Exception(7,m68k_getpc()); goto endlabel1002; }
}
m68k_incpc(2);
endlabel1002: ;
return 2;
}
unsigned long op_52c0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
{
	int val = cctrue(2) ? 0xff : 0;
	m68k_dreg(regs, srcreg) = (m68k_dreg(regs, srcreg) & ~0xff) | ((val) & 0xff);
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_52c8_0(UINT32 opcode) /* DBcc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	INT16 src = m68k_dreg(regs, srcreg);
{
	INT16 offs = get_iword(2);
	if (!cctrue(2)) {
	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_52d0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg);
{
	int val = cctrue(2) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_52d8_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(2) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_52e0_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(2) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 5;
}
unsigned long op_52e8_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg) + (INT32)(INT16)get_iword(2);
{
	int val = cctrue(2) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_52f0_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(2) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
}
return 7;
}
unsigned long op_52f8_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = (INT32)(INT16)get_iword(2);
{
	int val = cctrue(2) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_52f9_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = get_ilong(2);
{
	int val = cctrue(2) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(6);
return 8;
}
unsigned long op_52fa_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(2)) { Exception(7,m68k_getpc()); goto endlabel1012; }
}
}
m68k_incpc(4);
endlabel1012: ;
return 4;
}
unsigned long op_52fb_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(2)) { Exception(7,m68k_getpc()); goto endlabel1013; }
}
}
m68k_incpc(6);
endlabel1013: ;
return 6;
}
unsigned long op_52fc_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
	if (cctrue(2)) { Exception(7,m68k_getpc()); goto endlabel1014; }
}
m68k_incpc(2);
endlabel1014: ;
return 2;
}
unsigned long op_53c0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
{
	int val = cctrue(3) ? 0xff : 0;
	m68k_dreg(regs, srcreg) = (m68k_dreg(regs, srcreg) & ~0xff) | ((val) & 0xff);
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_53c8_0(UINT32 opcode) /* DBcc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	INT16 src = m68k_dreg(regs, srcreg);
{
	INT16 offs = get_iword(2);
	if (!cctrue(3)) {
	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_53d0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg);
{
	int val = cctrue(3) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_53d8_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(3) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_53e0_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(3) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 5;
}
unsigned long op_53e8_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg) + (INT32)(INT16)get_iword(2);
{
	int val = cctrue(3) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_53f0_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(3) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
}
return 7;
}
unsigned long op_53f8_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = (INT32)(INT16)get_iword(2);
{
	int val = cctrue(3) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_53f9_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = get_ilong(2);
{
	int val = cctrue(3) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(6);
return 8;
}
unsigned long op_53fa_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(3)) { Exception(7,m68k_getpc()); goto endlabel1024; }
}
}
m68k_incpc(4);
endlabel1024: ;
return 4;
}
unsigned long op_53fb_0(UINT32 opcode) /* TRAPcc */
{
{
{
	if (cctrue(3)) { Exception(7,m68k_getpc()); goto endlabel1025; }
}
}
m68k_incpc(6);
endlabel1025: ;
return 6;
}
unsigned long op_53fc_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
	if (cctrue(3)) { Exception(7,m68k_getpc()); goto endlabel1026; }
}
m68k_incpc(2);
endlabel1026: ;
return 2;
}
unsigned long op_54c0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
{
	int val = cctrue(4) ? 0xff : 0;
	m68k_dreg(regs, srcreg) = (m68k_dreg(regs, srcreg) & ~0xff) | ((val) & 0xff);
}
}
}
m68k_incpc(2);
return 2;
}
unsigned long op_54c8_0(UINT32 opcode) /* DBcc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	INT16 src = m68k_dreg(regs, srcreg);
{
	INT16 offs = get_iword(2);
	if (!cctrue(4)) {
	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_54d0_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg);
{
	int val = cctrue(4) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_54d8_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(4) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 4;
}
unsigned long op_54e0_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(4) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(2);
return 5;
}
unsigned long op_54e8_0(UINT32 opcode) /* Scc */
{
	UINT32 srcreg = (opcode & 7);
{
{
	unsigned int srca = m68k_areg(regs, srcreg) + (INT32)(INT16)get_iword(2);
{
	int val = cctrue(4) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_54f0_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(4) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
}
return 7;
}
unsigned long op_54f8_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = (INT32)(INT16)get_iword(2);
{
	int val = cctrue(4) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(4);
return 6;
}
unsigned long op_54f9_0(UINT32 opcode) /* Scc */
{
	(void)(opcode);
{
{
	unsigned int srca = get_ilong(2);
{
	int val = cctrue(4) ? 0xff : 0;
	cpu_writemem24(srca,val);
}
}
}
m68k_incpc(6);
return 8;
}
unsigned long op_54fa_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
{
	if (cctrue(4)) { Exception(7,m68k_getpc()); goto endlabel1036; }
}
}
m68k_incpc(4);
endlabel1036: ;
return 4;
}
unsigned long op_54fb_0(UINT32 opcode) /* TRAPcc */
{
{
{
	if (cctrue(4)) { Exception(7,m68k_getpc()); goto endlabel1037; }
}
}
m68k_incpc(6);
endlabel1037: ;
return 6;
}
unsigned long op_54fc_0(UINT32 opcode) /* TRAPcc */
{
	(void)(opcode);
{
	if (cctrue(4)) { Exception(7,m68k_getpc()); goto endlabel1038; }
}
m68k_incpc(2);
endlabel1038: ;
return 2;
}
unsigned long op_55c0