bsnes/higan/ws/cpu/cpu.cpp

59 lines
1.0 KiB
C++

#include <ws/ws.hpp>
namespace WonderSwan {
CPU cpu;
#include "memory.cpp"
auto CPU::Enter() -> void {
cpu.main();
}
auto CPU::main() -> void {
while(true) {
if(scheduler.sync == Scheduler::SynchronizeMode::CPU) {
scheduler.sync = Scheduler::SynchronizeMode::All;
scheduler.exit(Scheduler::ExitReason::SynchronizeEvent);
}
exec();
}
}
auto CPU::step(uint clocks) -> void {
ppu.clock -= clocks;
if(ppu.clock < 0) co_switch(ppu.thread);
apu.clock -= clocks;
if(apu.clock < 0) co_switch(apu.thread);
}
auto CPU::wait(uint clocks) -> void {
step(clocks);
}
auto CPU::read(uint20 addr) -> uint8 {
return bus.read(addr);
}
auto CPU::write(uint20 addr, uint8 data) -> void {
return bus.write(addr, data);
}
auto CPU::in(uint16 port) -> uint8 {
return iomap[port]->portRead(port);
}
auto CPU::out(uint16 port, uint8 data) -> void {
return iomap[port]->portWrite(port, data);
}
auto CPU::power() -> void {
V30MZ::power();
create(CPU::Enter, 3072000);
iomap[0x00a0] = this;
}
}