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Forbid reading the image while the camera is busy

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Lior Halphon
2016-10-03 01:29:54 +03:00
parent b50b38c78a
commit 2a84d62187
1 changed files with 4 additions and 0 deletions
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4
Core/camera.c
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@@ -2,6 +2,10 @@
uint8_t GB_camera_read_image(GB_gameboy_t *gb, uint16_t addr) uint8_t GB_camera_read_image(GB_gameboy_t *gb, uint16_t addr)
{ {
if (gb->camera_registers[0]) {
/* Forbid reading the image while the camera is busy. */
return 0xFF;
}
uint8_t tile_x = addr / 0x10 % 0x10; uint8_t tile_x = addr / 0x10 % 0x10;
uint8_t tile_y = addr / 0x10 / 0x10; uint8_t tile_y = addr / 0x10 / 0x10;