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Diffstat (limited to 'src/ppusim/sim.c')
-rw-r--r--src/ppusim/sim.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/src/ppusim/sim.c b/src/ppusim/sim.c
index a3314e4..8f01359 100644
--- a/src/ppusim/sim.c
+++ b/src/ppusim/sim.c
@@ -7,26 +7,18 @@
#include "ppu/ppu.h"
#include "ppusim/mem.h"
#include "ppusim/sim.h"
+#include "ppusim/pixel.h"
SDL_Window *g_hh_window = NULL;
SDL_Renderer *g_hh_renderer = NULL;
-static void pixel(SDL_Renderer* r, unsigned px, unsigned py, unsigned cr, unsigned cg, unsigned cb) {
- SDL_SetRenderDrawColor(r, cr, cg, cb, 255);
- SDL_RenderFillRect(r, &(SDL_Rect) {
- .x = px * HH_PPUSIM_UPSCALE_FACTOR,
- .y = py * HH_PPUSIM_UPSCALE_FACTOR,
- .w = HH_PPUSIM_UPSCALE_FACTOR,
- .h = HH_PPUSIM_UPSCALE_FACTOR
- });
-}
-
void hh_ppu_init() {
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS);
g_hh_window = SDL_CreateWindow("ppusim", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, HH_PPU_SCREEN_WIDTH * HH_PPUSIM_UPSCALE_FACTOR, HH_PPU_SCREEN_HEIGHT * HH_PPUSIM_UPSCALE_FACTOR, SDL_WINDOW_SHOWN);
g_hh_renderer = SDL_CreateRenderer(g_hh_window, -1, SDL_RENDERER_ACCELERATED);
g_hh_ppusim_vram = malloc(sizeof(hh_ppu_data_t) * 0xffff);
+ memset(g_hh_ppusim_vram, 0x0000, 0xffff);
}
void hh_ppu_deinit() {
@@ -38,22 +30,18 @@ void hh_ppu_deinit() {
}
void hh_loop() {
- static unsigned long frame = 0;
SDL_Event e;
while (g_hh_run) {
uint32_t start = SDL_GetTicks();
- frame++;
while (SDL_PollEvent(&e)) if (e.type == SDL_QUIT) exit(0);
hh_ppu_vblank_interrupt();
SDL_RenderClear(g_hh_renderer);
- for (unsigned i = 0; i < HH_PPU_SCREEN_WIDTH; i++) {
- for (unsigned j = 0; j < HH_PPU_SCREEN_HEIGHT; j++) {
- pixel(g_hh_renderer, i, j, (unsigned)(sqrt(i * 20) + frame) % 255, (i * j + frame) % 255, (j * 20) % 255);
- }
- }
+ for (unsigned x = 0; x < HH_PPU_SCREEN_WIDTH; x++)
+ for (unsigned y = 0; y < HH_PPU_SCREEN_HEIGHT; y++)
+ hh_ppusim_pixel(g_hh_renderer, x, y);
SDL_SetRenderDrawColor(g_hh_renderer, 0, 0, 0, 255);
SDL_RenderPresent(g_hh_renderer);