mirror of https://github.com/bsnes-emu/bsnes.git
52 lines
980 B
C++
52 lines
980 B
C++
#include <md/md.hpp>
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//256-width = colorburst * 15 / 10
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//320-width = colorburst * 15 / 8
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namespace MegaDrive {
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VDP vdp;
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#include "io.cpp"
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auto VDP::Enter() -> void {
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while(true) scheduler.synchronize(), vdp.main();
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}
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auto VDP::main() -> void {
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for(uint y : range(262)) {
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auto outputLo = buffer + (y * 2 + 0) * 1280;
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auto outputHi = buffer + (y * 2 + 1) * 1280;
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for(uint x : range(342)) {
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if(y < 240 && x < 320) {
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for(uint n : range(4)) {
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*outputLo++ = 511;
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*outputHi++ = 511;
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}
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}
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step(1);
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}
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if(y == 240) scheduler.exit(Scheduler::Event::Frame);
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}
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}
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auto VDP::step(uint clocks) -> void {
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Thread::step(clocks);
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synchronize(cpu);
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}
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auto VDP::refresh() -> void {
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Emulator::video.refresh(buffer, 1280 * sizeof(uint32), 1280, 480);
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}
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auto VDP::power() -> void {
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}
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auto VDP::reset() -> void {
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create(VDP::Enter, system.colorburst() * 15.0 / 10.0);
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memory::fill(&io, sizeof(IO));
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}
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}
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