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#include <iostream>
#include <unistd.h>
#include <thread>
#include "chip8.hpp"
#include "platform.hpp"
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#endif
#define WINDOW_TITLE "chip8emu"
Platform platform (
WINDOW_TITLE,
VIDEO_WIDTH * 10,
VIDEO_HEIGHT * 10,
VIDEO_WIDTH, VIDEO_HEIGHT
);
Chip8* chip8 = new Chip8();
bool quit = false;
void mainLoop() {
platform.Update(chip8->video, 10);
}
void update() {
while (true) {
quit = platform.ProcessInput(&chip8->keypad);
#ifdef __EMSCRIPTEN__
if (quit) emscripten_cancel_main_loop();
std::this_thread::sleep_for(std::chrono::milliseconds(10));
#else
usleep(2 * 1000);
#endif
chip8->Cycle();
}
}
#ifdef __EMSCRIPTEN__
int main() {
int videoScale = 10;
int cycleDelay = 0;
char const* filename = "roms/rom.ch8";
#else
int main(int argc, char** argv) {
if (argc != 4) {
std::cerr << "Usage: " << argv[0] << " <Scale> <Delay> <ROM>" << std::endl;
std::exit(EXIT_FAILURE);
}
int videoScale = std::stoi(argv[1]);
int cycleDelay = std::stoi(argv[2]);
char const* filename = argv[3];
#endif
Table* table = new Table(chip8);
chip8->SetTable(table);
chip8->LoadROM(filename);
std::thread timerThread(&Chip8::TimerUpdateThread, chip8, &platform);
std::thread updateThread(update);
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop(mainLoop, 0, 1);
#else
while (!quit)
mainLoop();
timerThread.detach();
#endif
return 0;
}
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