mirror of https://github.com/bsnes-emu/bsnes.git
182 lines
3.4 KiB
C++
Executable File
182 lines
3.4 KiB
C++
Executable File
#ifdef CPUCORE_CPP
|
|
|
|
template<int bit, int val> void CPUcore::op_branch() {
|
|
if((bool)(regs.p & bit) != val) {
|
|
L rd.l = op_readpc();
|
|
} else {
|
|
rd.l = op_readpc();
|
|
aa.w = regs.pc.d + (int8)rd.l;
|
|
op_io_cond6(aa.w);
|
|
L op_io();
|
|
regs.pc.w = aa.w;
|
|
}
|
|
}
|
|
|
|
void CPUcore::op_bra() {
|
|
rd.l = op_readpc();
|
|
aa.w = regs.pc.d + (int8)rd.l;
|
|
op_io_cond6(aa.w);
|
|
L op_io();
|
|
regs.pc.w = aa.w;
|
|
}
|
|
|
|
void CPUcore::op_brl() {
|
|
rd.l = op_readpc();
|
|
rd.h = op_readpc();
|
|
L op_io();
|
|
regs.pc.w = regs.pc.d + (int16)rd.w;
|
|
}
|
|
|
|
void CPUcore::op_jmp_addr() {
|
|
rd.l = op_readpc();
|
|
L rd.h = op_readpc();
|
|
regs.pc.w = rd.w;
|
|
}
|
|
|
|
void CPUcore::op_jmp_long() {
|
|
rd.l = op_readpc();
|
|
rd.h = op_readpc();
|
|
L rd.b = op_readpc();
|
|
regs.pc.d = rd.d & 0xffffff;
|
|
}
|
|
|
|
void CPUcore::op_jmp_iaddr() {
|
|
aa.l = op_readpc();
|
|
aa.h = op_readpc();
|
|
rd.l = op_readaddr(aa.w + 0);
|
|
L rd.h = op_readaddr(aa.w + 1);
|
|
regs.pc.w = rd.w;
|
|
}
|
|
|
|
void CPUcore::op_jmp_iaddrx() {
|
|
aa.l = op_readpc();
|
|
aa.h = op_readpc();
|
|
op_io();
|
|
rd.l = op_readpbr(aa.w + regs.x.w + 0);
|
|
L rd.h = op_readpbr(aa.w + regs.x.w + 1);
|
|
regs.pc.w = rd.w;
|
|
}
|
|
|
|
void CPUcore::op_jmp_iladdr() {
|
|
aa.l = op_readpc();
|
|
aa.h = op_readpc();
|
|
rd.l = op_readaddr(aa.w + 0);
|
|
rd.h = op_readaddr(aa.w + 1);
|
|
L rd.b = op_readaddr(aa.w + 2);
|
|
regs.pc.d = rd.d & 0xffffff;
|
|
}
|
|
|
|
void CPUcore::op_jsr_addr() {
|
|
aa.l = op_readpc();
|
|
aa.h = op_readpc();
|
|
op_io();
|
|
regs.pc.w--;
|
|
op_writestack(regs.pc.h);
|
|
L op_writestack(regs.pc.l);
|
|
regs.pc.w = aa.w;
|
|
}
|
|
|
|
void CPUcore::op_jsr_long_e() {
|
|
aa.l = op_readpc();
|
|
aa.h = op_readpc();
|
|
op_writestackn(regs.pc.b);
|
|
op_io();
|
|
aa.b = op_readpc();
|
|
regs.pc.w--;
|
|
op_writestackn(regs.pc.h);
|
|
L op_writestackn(regs.pc.l);
|
|
regs.pc.d = aa.d & 0xffffff;
|
|
regs.s.h = 0x01;
|
|
}
|
|
|
|
void CPUcore::op_jsr_long_n() {
|
|
aa.l = op_readpc();
|
|
aa.h = op_readpc();
|
|
op_writestackn(regs.pc.b);
|
|
op_io();
|
|
aa.b = op_readpc();
|
|
regs.pc.w--;
|
|
op_writestackn(regs.pc.h);
|
|
L op_writestackn(regs.pc.l);
|
|
regs.pc.d = aa.d & 0xffffff;
|
|
}
|
|
|
|
void CPUcore::op_jsr_iaddrx_e() {
|
|
aa.l = op_readpc();
|
|
op_writestackn(regs.pc.h);
|
|
op_writestackn(regs.pc.l);
|
|
aa.h = op_readpc();
|
|
op_io();
|
|
rd.l = op_readpbr(aa.w + regs.x.w + 0);
|
|
L rd.h = op_readpbr(aa.w + regs.x.w + 1);
|
|
regs.pc.w = rd.w;
|
|
regs.s.h = 0x01;
|
|
}
|
|
|
|
void CPUcore::op_jsr_iaddrx_n() {
|
|
aa.l = op_readpc();
|
|
op_writestackn(regs.pc.h);
|
|
op_writestackn(regs.pc.l);
|
|
aa.h = op_readpc();
|
|
op_io();
|
|
rd.l = op_readpbr(aa.w + regs.x.w + 0);
|
|
L rd.h = op_readpbr(aa.w + regs.x.w + 1);
|
|
regs.pc.w = rd.w;
|
|
}
|
|
|
|
void CPUcore::op_rti_e() {
|
|
op_io();
|
|
op_io();
|
|
regs.p = op_readstack() | 0x30;
|
|
rd.l = op_readstack();
|
|
L rd.h = op_readstack();
|
|
regs.pc.w = rd.w;
|
|
}
|
|
|
|
void CPUcore::op_rti_n() {
|
|
op_io();
|
|
op_io();
|
|
regs.p = op_readstack();
|
|
if(regs.p.x) {
|
|
regs.x.h = 0x00;
|
|
regs.y.h = 0x00;
|
|
}
|
|
rd.l = op_readstack();
|
|
rd.h = op_readstack();
|
|
L rd.b = op_readstack();
|
|
regs.pc.d = rd.d & 0xffffff;
|
|
update_table();
|
|
}
|
|
|
|
void CPUcore::op_rts() {
|
|
op_io();
|
|
op_io();
|
|
rd.l = op_readstack();
|
|
rd.h = op_readstack();
|
|
L op_io();
|
|
regs.pc.w = ++rd.w;
|
|
}
|
|
|
|
void CPUcore::op_rtl_e() {
|
|
op_io();
|
|
op_io();
|
|
rd.l = op_readstackn();
|
|
rd.h = op_readstackn();
|
|
L rd.b = op_readstackn();
|
|
regs.pc.b = rd.b;
|
|
regs.pc.w = ++rd.w;
|
|
regs.s.h = 0x01;
|
|
}
|
|
|
|
void CPUcore::op_rtl_n() {
|
|
op_io();
|
|
op_io();
|
|
rd.l = op_readstackn();
|
|
rd.h = op_readstackn();
|
|
L rd.b = op_readstackn();
|
|
regs.pc.b = rd.b;
|
|
regs.pc.w = ++rd.w;
|
|
}
|
|
|
|
#endif
|