78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
#include "gb.h"
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#define SDL_DISABLE_IMMINTRIN_H
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#include <SDL2/SDL.h>
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int in;
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u8 keys;
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void* window;
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u8* pic;
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SDL_Renderer* renderer;
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SDL_Texture* bitmapTex;
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static void
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render()
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{
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SDL_UpdateTexture(bitmapTex, nil, pic, 160 * sizeof(u32));
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SDL_RenderCopy(renderer, bitmapTex, nil, nil);
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SDL_RenderPresent(renderer);
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}
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void
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joypadevent(void*_)
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{
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SDL_Event evt;
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addevent(&evjoypad, JOYPAD_CYCLE);
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if (SDL_PollEvent(&evt) == 0)
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return;
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switch (evt.type) {
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case SDL_KEYUP: keys = 0; break;
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case SDL_KEYDOWN:
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switch (evt.key.keysym.scancode) {
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case SDL_SCANCODE_X: keys = GB_KEY_A; break;
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case SDL_SCANCODE_Z: keys = GB_KEY_B; break;
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case SDL_SCANCODE_UP: keys = GB_KEY_UP; break;
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case SDL_SCANCODE_DOWN: keys = GB_KEY_DOWN; break;
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case SDL_SCANCODE_LEFT: keys = GB_KEY_LEFT; break;
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case SDL_SCANCODE_RIGHT: keys = GB_KEY_RIGHT; break;
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case SDL_SCANCODE_RETURN: keys = GB_KEY_START; break;
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case SDL_SCANCODE_ESCAPE: break;
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default: return;
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}
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break;
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case SDL_QUIT: exit(1);
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}
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return;
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}
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void
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flush()
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{
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render();
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}
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void
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initwindow(int scale)
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{
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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printf("SDL Initialization Fail: %s\n", SDL_GetError());
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return;
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}
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pic = xalloc(PICH * PICW * sizeof(u32));
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window = SDL_CreateWindow("gb",
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SDL_WINDOWPOS_UNDEFINED,
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SDL_WINDOWPOS_UNDEFINED,
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PICW * scale,
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PICH * scale,
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SDL_WINDOW_SHOWN);
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if (!window)
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panic("SDL Initialization Fail: %s\n", SDL_GetError());
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SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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renderer = SDL_GetRenderer(window);
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bitmapTex = SDL_CreateTexture(renderer,
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SDL_PIXELFORMAT_ARGB8888,
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SDL_TEXTUREACCESS_STREAMING,
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PICW,
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PICH);
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}
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