mirror of https://github.com/bsnes-emu/bsnes.git
59 lines
1.0 KiB
C++
59 lines
1.0 KiB
C++
#include <sfc/sfc.hpp>
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namespace SuperFamicom {
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#include "memory.cpp"
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#include "serialization.cpp"
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HitachiDSP hitachidsp;
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auto HitachiDSP::Enter() -> void {
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while(true) scheduler.synchronize(), hitachidsp.main();
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}
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auto HitachiDSP::main() -> void {
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if(mmio.dma) {
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for(auto n : range(mmio.dmaLength)) {
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write(mmio.dmaTarget + n, read(mmio.dmaSource + n));
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step(2);
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synchronize(cpu);
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}
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mmio.dma = false;
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}
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exec(mmio.programOffset);
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step(1);
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synchronize(cpu);
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}
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auto HitachiDSP::init() -> void {
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}
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auto HitachiDSP::load() -> void {
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}
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auto HitachiDSP::unload() -> void {
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rom.reset();
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ram.reset();
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}
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auto HitachiDSP::power() -> void {
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HG51B::power();
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create(HitachiDSP::Enter, Frequency);
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mmio.dma = false;
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mmio.dmaSource = 0x000000;
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mmio.dmaLength = 0x0000;
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mmio.dmaTarget = 0x000000;
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mmio.r1f48 = 0x00;
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mmio.programOffset = 0x000000;
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mmio.r1f4c = 0x00;
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mmio.pageNumber = 0x0000;
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mmio.programCounter = 0x00;
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mmio.r1f50 = 0x33;
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mmio.r1f51 = 0x00;
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mmio.r1f52 = 0x01;
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}
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}
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