mirror of https://github.com/bsnes-emu/bsnes.git
74 lines
1.3 KiB
C++
74 lines
1.3 KiB
C++
#include <ws/ws.hpp>
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namespace WonderSwan {
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CPU cpu;
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#include "memory.cpp"
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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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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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}
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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 iomap[port]->portRead(port);
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}
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auto CPU::out(uint16 port, uint8 data) -> void {
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return iomap[port]->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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iomap[0x00a0] = this;
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iomap[0x00b0] = this;
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iomap[0x00b2] = this;
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iomap[0x00b4] = this;
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iomap[0x00b6] = this;
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if(WSC() || SC()) {
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for(uint p = 0x0040; p <= 0x0049; p++) iomap[p] = this;
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iomap[0x0062] = this;
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}
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r.dmaSource = 0x00000;
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r.dmaTarget = 0x0000;
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r.dmaLength = 0x0000;
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r.dmaEnable = false;
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r.dmaMode = 0;
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r.interruptBase = 0x00;
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r.interruptEnable = 0x00;
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r.interruptStatus = 0x00;
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}
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}
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