mirror of https://github.com/bsnes-emu/bsnes.git
67 lines
1.2 KiB
C++
67 lines
1.2 KiB
C++
#include <ws/ws.hpp>
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namespace WonderSwan {
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CPU cpu;
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#include "io.cpp"
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#include "interrupt.cpp"
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#include "dma.cpp"
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#include "serialization.cpp"
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auto CPU::Enter() -> void {
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while(true) scheduler.synchronize(), cpu.main();
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}
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auto CPU::main() -> void {
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poll();
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exec();
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}
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auto CPU::step(uint clocks) -> void {
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ppu.clock -= clocks;
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if(ppu.clock < 0) co_switch(ppu.thread);
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apu.clock -= clocks;
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if(apu.clock < 0) co_switch(apu.thread);
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cartridge.clock -= clocks;
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if(cartridge.clock < 0) co_switch(cartridge.thread);
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}
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auto CPU::wait(uint clocks) -> void {
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step(clocks);
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}
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auto CPU::read(uint20 addr) -> uint8 {
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return bus.read(addr);
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}
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auto CPU::write(uint20 addr, uint8 data) -> void {
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return bus.write(addr, data);
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}
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auto CPU::in(uint16 port) -> uint8 {
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return bus.portRead(port);
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}
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auto CPU::out(uint16 port, uint8 data) -> void {
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return bus.portWrite(port, data);
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}
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auto CPU::power() -> void {
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V30MZ::power();
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create(CPU::Enter, 3'072'000);
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bus.map(this, 0x00a0);
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bus.map(this, 0x00b0, 0x00b6);
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if(system.model() != Model::WonderSwan) {
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bus.map(this, 0x0040, 0x0049);
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bus.map(this, 0x0062);
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}
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memory::fill(&r, sizeof(Registers));
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}
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}
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