mirror of https://github.com/bsnes-emu/bsnes.git
65 lines
1.1 KiB
C++
65 lines
1.1 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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void HitachiDSP::Enter() { hitachidsp.enter(); }
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void HitachiDSP::enter() {
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while(true) {
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if(scheduler.sync == Scheduler::SynchronizeMode::All) {
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scheduler.exit(Scheduler::ExitReason::SynchronizeEvent);
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}
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if(mmio.dma) {
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for(unsigned n = 0; n < mmio.dma_length; n++) {
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bus.write(mmio.dma_target + n, bus.read(mmio.dma_source + n));
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step(2);
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}
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mmio.dma = false;
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}
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exec(mmio.program_offset);
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step(1);
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synchronize_cpu();
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}
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}
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void HitachiDSP::init() {
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}
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void HitachiDSP::load() {
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}
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void HitachiDSP::unload() {
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rom.reset();
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ram.reset();
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}
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void HitachiDSP::power() {
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mmio.dma = false;
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mmio.dma_source = 0x000000;
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mmio.dma_length = 0x0000;
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mmio.dma_target = 0x000000;
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mmio.r1f48 = 0x00;
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mmio.program_offset = 0x000000;
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mmio.r1f4c = 0x00;
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mmio.page_number = 0x0000;
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mmio.program_counter = 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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void HitachiDSP::reset() {
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create(HitachiDSP::Enter, Frequency);
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HG51B::power();
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}
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}
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