mirror of https://github.com/bsnes-emu/bsnes.git
72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
#include <pce/pce.hpp>
|
|
|
|
namespace PCEngine {
|
|
|
|
VCE vce;
|
|
#include "memory.cpp"
|
|
#include "io.cpp"
|
|
|
|
auto VCE::Enter() -> void {
|
|
while(true) scheduler.synchronize(), vce.main();
|
|
}
|
|
|
|
auto VCE::main() -> void {
|
|
vdc0.frame();
|
|
vdc1.frame();
|
|
timing.vclock = 0;
|
|
|
|
while(timing.vclock < 262) {
|
|
vdc0.scanline();
|
|
vdc1.scanline();
|
|
timing.hclock = 0;
|
|
|
|
auto output = buffer + 1365 * timing.vclock;
|
|
|
|
while(timing.hclock < 1360) {
|
|
uint9 color;
|
|
if(Model::PCEngine()) color = vdc0.bus();
|
|
if(Model::SuperGrafx()) color = vpc.bus(timing.hclock);
|
|
color = cram.read(color);
|
|
|
|
//*output++ = color;
|
|
//step(1);
|
|
|
|
if(clock() >= 2) *output++ = color;
|
|
if(clock() >= 2) *output++ = color;
|
|
if(clock() >= 3) *output++ = color;
|
|
if(clock() >= 4) *output++ = color;
|
|
step(clock());
|
|
}
|
|
|
|
step(1365 - timing.hclock);
|
|
timing.vclock++;
|
|
}
|
|
|
|
scheduler.exit(Scheduler::Event::Frame);
|
|
}
|
|
|
|
auto VCE::step(uint clocks) -> void {
|
|
Thread::step(clocks);
|
|
synchronize(cpu);
|
|
synchronize(vdc0);
|
|
synchronize(vdc1);
|
|
|
|
timing.hclock += clocks;
|
|
}
|
|
|
|
auto VCE::refresh() -> void {
|
|
Emulator::video.refresh(buffer + 1365 * 13, 1365 * sizeof(uint32), 1140, 242);
|
|
}
|
|
|
|
auto VCE::power() -> void {
|
|
create(VCE::Enter, system.colorburst() * 6.0);
|
|
|
|
for(auto& pixel : buffer) pixel = 0;
|
|
memory::fill(&cram, sizeof(CRAM));
|
|
memory::fill(&timing, sizeof(Timing));
|
|
memory::fill(&io, sizeof(IO));
|
|
io.clock = 4;
|
|
}
|
|
|
|
}
|