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Auto assign color palette based on rom checksum

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This commit is contained in:
Vincent Mistler
2022-12-08 14:20:12 +01:00
parent 06cd4282db
commit daef90e7d2
1 changed files with 181 additions and 5 deletions
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src/main.c
+181 -5
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@@ -99,6 +99,11 @@ extern const unsigned char rom[];
unsigned char rom_bank0[16384];
static uint8_t ram[32768];
static int lcd_line_busy = 0;
static uint16_t palette[3][4] = {
{ 0xFFFF, 0x651F, 0x001F, 0x0000 },
{ 0xFFFF, 0xFC10, 0x89C7, 0x0000 },
{ 0xFFFF, 0x651F, 0x001F, 0x0000 }
};
/* Multicore command structure. */
union core_cmd {
@@ -211,6 +216,180 @@ void gb_error(struct gb_s *gb, const enum gb_error_e gb_err, const uint16_t val)
#endif
}
/**
* Automatically assigns a colour palette to the game using a given game
* checksum.
* TODO: Not all checksums are programmed in yet because I'm lazy.
*/
void auto_assign_palette(uint16_t selected_palette[3][4], uint8_t game_checksum)
{
size_t palette_bytes = 3 * 4 * sizeof(uint16_t);
switch(game_checksum)
{
/* Balloon Kid and Tetris Blast */
case 0x71:
case 0xFF:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x7E60, 0x7C00, 0x0000 }, /* OBJ0 */
{ 0x7FFF, 0x7E60, 0x7C00, 0x0000 }, /* OBJ1 */
{ 0x7FFF, 0x7E60, 0x7C00, 0x0000 } /* BG */
};
break;
}
/* Pokemon Yellow and Tetris */
case 0x15:
case 0xDB:
case 0x95: /* Not officially */
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x7FE0, 0x7C00, 0x0000 }, /* OBJ0 */
{ 0x7FFF, 0x7FE0, 0x7C00, 0x0000 }, /* OBJ1 */
{ 0x7FFF, 0x7FE0, 0x7C00, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Donkey Kong */
case 0x19:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x7E10, 0x48E7, 0x0000 }, /* OBJ0 */
{ 0x7FFF, 0x7E10, 0x48E7, 0x0000 }, /* OBJ1 */
{ 0x7FFF, 0x7E60, 0x7C00, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Pokemon Blue */
case 0x61:
case 0x45:
/* Pokemon Blue Star */
case 0xD8:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x7E10, 0x48E7, 0x0000 }, /* OBJ0 */
{ 0x7FFF, 0x329F, 0x001F, 0x0000 }, /* OBJ1 */
{ 0x7FFF, 0x329F, 0x001F, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Pokemon Red */
case 0x14:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x3FE6, 0x0200, 0x0000 }, /* OBJ0 */
{ 0x7FFF, 0x7E10, 0x48E7, 0x0000 }, /* OBJ1 */
{ 0x7FFF, 0x7E10, 0x48E7, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Pokemon Red Star */
case 0x8B:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x7E10, 0x48E7, 0x0000 }, /* OBJ0 */
{ 0x7FFF, 0x329F, 0x001F, 0x0000 }, /* OBJ1 */
{ 0x7FFF, 0x3FE6, 0x0200, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Kirby */
case 0x27:
case 0x49:
case 0x5C:
case 0xB3:
{
const uint16_t palette[3][4] =
{
{ 0x7D8A, 0x6800, 0x3000, 0x0000 }, /* OBJ0 */
{ 0x001F, 0x7FFF, 0x7FEF, 0x021F }, /* OBJ1 */
{ 0x527F, 0x7FE0, 0x0180, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Donkey Kong Land [1/2/III] */
case 0x18:
case 0x6A:
case 0x4B:
case 0x6B:
{
const uint16_t palette[3][4] =
{
{ 0x7F08, 0x7F40, 0x48E0, 0x2400 }, /* OBJ0 */
{ 0x7FFF, 0x2EFF, 0x7C00, 0x001F }, /* OBJ1 */
{ 0x7FFF, 0x463B, 0x2951, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Link's Awakening */
case 0x70:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x03E0, 0x1A00, 0x0120 }, /* OBJ0 */
{ 0x7FFF, 0x329F, 0x001F, 0x001F }, /* OBJ1 */
{ 0x7FFF, 0x7E10, 0x48E7, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
/* Mega Man [1/2/3] & others I don't care about. */
case 0x01:
case 0x10:
case 0x29:
case 0x52:
case 0x5D:
case 0x68:
case 0x6D:
case 0xF6:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x329F, 0x001F, 0x0000 }, /* OBJ0 */
{ 0x7FFF, 0x3FE6, 0x0200, 0x0000 }, /* OBJ1 */
{ 0x7FFF, 0x7EAC, 0x40C0, 0x0000 } /* BG */
};
memcpy(selected_palette, palette, palette_bytes);
break;
}
default:
{
const uint16_t palette[3][4] =
{
{ 0x7FFF, 0x5294, 0x294A, 0x0000 },
{ 0x7FFF, 0x5294, 0x294A, 0x0000 },
{ 0x7FFF, 0x5294, 0x294A, 0x0000 }
};
printf("No palette found for 0x%02X.\n", game_checksum);
memcpy(selected_palette, palette, palette_bytes);
}
}
}
void core1_irq_dma_lcd_end_transfer(void)
{
mk_ili9225_write_pixels_end();
@@ -221,11 +400,6 @@ void core1_irq_dma_lcd_end_transfer(void)
#if ENABLE_LCD
void core1_lcd_draw_line(const uint_fast8_t line)
{
const uint16_t palette[3][4] = {
{ 0xFFFF, 0x651F, 0x001F, 0x0000 },
{ 0xFFFF, 0xFC10, 0x89C7, 0x0000 },
{ 0xFFFF, 0x651F, 0x001F, 0x0000 }
};
static uint16_t fb[LCD_WIDTH];
//dma_channel_wait_for_finish_blocking(dma_lcd);
@@ -500,6 +674,8 @@ int main(void)
putstdio("AUDIO ");
#endif
auto_assign_palette(palette, gb_colour_hash(&gb));
putstdio("\n> ");
uint_fast32_t frames = 0;
uint64_t start_time = time_us_64();