bsnes/higan/sfc/smp/smp.cpp

98 lines
1.6 KiB
C++

#include <sfc/sfc.hpp>
namespace SuperFamicom {
SMP smp;
#include "memory.cpp"
#include "timing.cpp"
#include "serialization.cpp"
auto SMP::Enter() -> void {
while(true) scheduler.synchronize(), smp.main();
}
auto SMP::main() -> void {
instruction();
}
auto SMP::load(Markup::Node node) -> bool {
if(auto name = node["smp/rom/name"].text()) {
if(auto fp = platform->open(ID::System, name, File::Read, File::Required)) {
fp->read(iplrom, 64);
return true;
}
}
return false;
}
auto SMP::power() -> void {
create(Enter, 32040.0 * 768.0);
regs.pc.l = iplrom[62];
regs.pc.h = iplrom[63];
regs.a = 0x00;
regs.x = 0x00;
regs.y = 0x00;
regs.s = 0xef;
regs.p = 0x02;
for(auto& byte : apuram) byte = random(0x00);
apuram[0x00f4] = 0x00;
apuram[0x00f5] = 0x00;
apuram[0x00f6] = 0x00;
apuram[0x00f7] = 0x00;
io.clockCounter = 0;
io.dspCounter = 0;
io.timerStep = 3;
//$00f0
io.clockSpeed = 0;
io.timerSpeed = 0;
io.timersEnable = true;
io.ramDisable = false;
io.ramWritable = true;
io.timersDisable = false;
//$00f1
io.iplromEnable = true;
//$00f2
io.dspAddr = 0x00;
//$00f8,$00f9
io.ram00f8 = 0x00;
io.ram00f9 = 0x00;
timer0.stage0 = 0;
timer1.stage0 = 0;
timer2.stage0 = 0;
timer0.stage1 = 0;
timer1.stage1 = 0;
timer2.stage1 = 0;
timer0.stage2 = 0;
timer1.stage2 = 0;
timer2.stage2 = 0;
timer0.stage3 = 0;
timer1.stage3 = 0;
timer2.stage3 = 0;
timer0.line = 0;
timer1.line = 0;
timer2.line = 0;
timer0.enable = false;
timer1.enable = false;
timer2.enable = false;
timer0.target = 0;
timer1.target = 0;
timer2.target = 0;
}
}