bsnes/higan/sfc/coprocessor/superfx/superfx.cpp

72 lines
1.2 KiB
C++

#include <sfc/sfc.hpp>
namespace SuperFamicom {
#include "bus.cpp"
#include "core.cpp"
#include "memory.cpp"
#include "io.cpp"
#include "timing.cpp"
#include "serialization.cpp"
SuperFX superfx;
auto SuperFX::Enter() -> void {
while(true) scheduler.synchronize(), superfx.main();
}
auto SuperFX::main() -> void {
if(regs.sfr.g == 0) return step(6);
instruction(peekpipe());
if(regs.r[14].modified) {
regs.r[14].modified = false;
updateROMBuffer();
}
if(regs.r[15].modified) {
regs.r[15].modified = false;
} else {
regs.r[15]++;
}
}
auto SuperFX::init() -> void {
}
auto SuperFX::load() -> void {
}
auto SuperFX::unload() -> void {
rom.reset();
ram.reset();
}
auto SuperFX::power() -> void {
GSU::power();
}
auto SuperFX::reset() -> void {
GSU::reset();
create(SuperFX::Enter, system.colorburst() * 6.0);
romMask = rom.size() - 1;
ramMask = ram.size() - 1;
for(uint n : range(512)) cache.buffer[n] = 0x00;
for(uint n : range(32)) cache.valid[n] = false;
for(uint n : range(2)) {
pixelcache[n].offset = ~0;
pixelcache[n].bitpend = 0x00;
}
regs.romcl = 0;
regs.romdr = 0;
regs.ramcl = 0;
regs.ramar = 0;
regs.ramdr = 0;
}
}