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46 lines
1023 B
46 lines
1023 B
#include <string.h>
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#include "game.h"
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#include "hugedriver.h"
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#include "sdk/assets.h"
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#include "sdk/hardware.h"
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#include "sdk/joypad.h"
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#include "sdk/oam.h"
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#include "sdk/video.h"
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ASSET(bg_tiles, "bg/title.2bpp");
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ASSET(bg_map, "bg/title.map");
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void title(void) {
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// NOTE: Replace with lcdc_off() if necessary
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rLCDC &= ~LCDC_ON;
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// Copy title screen to VRAM
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memcpy((uint8_t *)_VRAM, &bg_tiles[0], bg_tiles_end - bg_tiles);
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uint8_t *vram_ptr = (uint8_t *)_SCRN0;
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const uint8_t *map_ptr = &bg_map[0];
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for (uint8_t y = 0; y < SCRN_Y_B; ++y) {
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memcpy(vram_ptr, map_ptr, SCRN_X_B);
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vram_ptr += SCRN_VX_B;
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map_ptr += SCRN_X_B;
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}
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rLCDC |= LCDC_ON;
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while (1) {
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joypad_update();
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if (joypad_state & PAD_START) {
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game_state = GAME_STATE_LEVEL;
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break;
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}
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// Wait for VBLANK. Clear IF since global interrupts are disabled.
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HALT();
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rIF = 0;
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hUGE_dosound();
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}
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audio_reset();
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}
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