112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
#include "bus.h"
|
|
#include "ppu.h"
|
|
#include "cartridge.h"
|
|
|
|
#include <stdio.h>
|
|
#include <SDL.h>
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
SDL_Init(SDL_INIT_VIDEO);
|
|
|
|
SDL_Window* window = SDL_CreateWindow("NES Emulator", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1400, 900, SDL_WINDOW_SHOWN);
|
|
if (window == NULL)
|
|
{
|
|
fprintf(stderr, "Failed to create SDL_Window.\n");
|
|
exit(1);
|
|
}
|
|
|
|
SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
|
|
if (renderer == NULL)
|
|
{
|
|
fprintf(stderr, "Failed to create SDL_Renderer\n");
|
|
exit(1);
|
|
}
|
|
|
|
struct Bus* bus = createBus(renderer);
|
|
|
|
SDL_Texture* patternTables[2];
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
patternTables[i] = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB332, SDL_TEXTUREACCESS_STREAMING, 64, 64);
|
|
if (patternTables[i] == NULL)
|
|
{
|
|
fprintf(stderr, "Failed to create pattern table texture\n");
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
SDL_Event event;
|
|
int running = 1;
|
|
while(running)
|
|
{
|
|
while (SDL_PollEvent(&event))
|
|
{
|
|
switch (event.type)
|
|
{
|
|
case SDL_WINDOWEVENT:
|
|
{
|
|
switch (event.window.event)
|
|
{
|
|
case SDL_WINDOWEVENT_CLOSE:
|
|
running = 0;
|
|
break;
|
|
}
|
|
} break;
|
|
}
|
|
}
|
|
|
|
doFrame(bus);
|
|
|
|
SDL_SetRenderDrawColor(renderer, 20, 0, 20, 0);
|
|
SDL_RenderClear(renderer);
|
|
|
|
getPatternTableTexture(bus->cartridge, patternTables[0], 0);
|
|
SDL_Rect target = { 10, 10, 256, 256 };
|
|
SDL_RenderCopy(renderer, patternTables[0], NULL, &target);
|
|
|
|
getPatternTableTexture(bus->cartridge, patternTables[1], 1);
|
|
target.x = 256 + 10 + 10;
|
|
SDL_RenderCopy(renderer, patternTables[1], NULL, &target);
|
|
|
|
SDL_Texture* tableTexture = getNameTableTexture(bus->ppu, 0);
|
|
target.x = 10;
|
|
target.y = 256 + 10 + 10;
|
|
SDL_RenderCopy(renderer, tableTexture, NULL, &target);
|
|
|
|
tableTexture = getNameTableTexture(bus->ppu, 1);
|
|
target.x = 256 + 10 + 10;
|
|
SDL_RenderCopy(renderer, tableTexture, NULL, &target);
|
|
|
|
tableTexture = getRenderedNameTableTexture(bus->ppu, 0);
|
|
target.x = 10;
|
|
target.y = 256 + 10 + 10 + 10 + 256;
|
|
SDL_RenderCopy(renderer, tableTexture, NULL, &target);
|
|
|
|
tableTexture = getRenderedNameTableTexture(bus->ppu, 1);
|
|
target.x = 256 + 10 + 10;
|
|
SDL_RenderCopy(renderer, tableTexture, NULL, &target);
|
|
|
|
tableTexture = getScreenTexture(bus->ppu);
|
|
target.x = 10 + 256 + 10 + 256 + 10;
|
|
target.y = 10;
|
|
target.w = 256 * 3;
|
|
target.h = 240 * 3;
|
|
SDL_RenderCopy(renderer, tableTexture, NULL, &target);
|
|
|
|
SDL_RenderPresent(renderer);
|
|
}
|
|
|
|
for (int i = 0; i < 2; i++)
|
|
SDL_DestroyTexture(patternTables[i]);
|
|
|
|
destroyBus(bus);
|
|
|
|
SDL_DestroyRenderer(renderer);
|
|
SDL_DestroyWindow(window);
|
|
|
|
SDL_Quit();
|
|
|
|
return 0;
|
|
}
|