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