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Detect games stuck on blank screens

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This commit is contained in:
Lior Halphon 2016-09-20 22:59:00 +03:00
parent a026f8b26d
commit 97eb3fe209
1 changed files with 22 additions and 8 deletions
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16
Tester/main.c
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@ -89,7 +89,17 @@ static void vblank(GB_gameboy_t *gb)
} }
} }
if (frames == test_length) { if (frames >= test_length ) {
bool is_screen_blank = false;
if (!(gb->io_registers[GB_IO_LCDC] & 0x80)) { /* LCD is off */
is_screen_blank = true;
}
else if(!gb->cgb_mode) { /* BG can't be disabled in CGB mode */
is_screen_blank =!(gb->io_registers[GB_IO_LCDC] & (gb->is_cgb? 3 : 0x23));
}
/* Let the test run for an extra 8 frames if the screen is off/disabled */
if (!is_screen_blank || frames >= test_length + 8) {
FILE *f = fopen(bmp_filename, "wb"); FILE *f = fopen(bmp_filename, "wb");
fwrite(&bmp_header, 1, sizeof(bmp_header), f); fwrite(&bmp_header, 1, sizeof(bmp_header), f);
fwrite(&bitmap, 1, sizeof(bitmap), f); fwrite(&bitmap, 1, sizeof(bitmap), f);
@ -97,8 +107,12 @@ static void vblank(GB_gameboy_t *gb)
if (!gb->boot_rom_finished) { if (!gb->boot_rom_finished) {
GB_log(gb, "Boot ROM did not finish.\n"); GB_log(gb, "Boot ROM did not finish.\n");
} }
if (is_screen_blank) {
GB_log(gb, "Game probably stuck with blank screen. \n");
}
running = false; running = false;
} }
}
else if (frames == test_length - 1) { else if (frames == test_length - 1) {
gb->disable_rendering = false; gb->disable_rendering = false;
} }