#include #include /* reorder entries in a palette file */ /* map action types: MA_NONE: do not map anything to this entry (constant 0000) MA_LOC: map indexed entry of local palette to this entry MA_SRC: map indexed entry of input palette to this entry */ enum map_action_type { MA_NONE = 0, MA_LOC, MA_SRC }; int map_action [256] = { /* 0-3: local entries (2-bit text palette 0 + 4-bit text palette 0) 4-7: local entries (2-bit text palette 1) 8-11: local entries (2-bit text palette 2) 12-15: local entries (2-bit text palette 3) 16-19: local entries (4-bit text palette 1 - 2-bit palette 4 not used) 20-23: local entries (2-bit text palette 5) 24-27: local entries (2-bit text palette 6) 28-31: local entries (2-bit text palette 7) */ MA_NONE, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_LOC, /* 32-35: local entries (4-bit text palette 2) 36-47: logo gfx */ MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, /* 48-51: local entries (4-bit text palette 3) 52-63: logo */ MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, /* 48-51: local entries (4-bit text palette 4 - 4-bit only spare palette) 52-63: logo */ MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, /* 48-51: local entries (4-bit text palette 5) 52-63: logo */ MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, /* 48-51: local entries (4-bit text palette 6) 52-63: logo */ MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, /* 48-51: local entries (4-bit text palette 7) 52-175: logo */ MA_LOC, MA_LOC, MA_LOC, MA_LOC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, /* 176-191: sprites (reserved) */ MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, MA_NONE, /* 192-255: sprites (logo gfx overlays) */ MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC, MA_SRC }; /* Mapping table. This table specifies the source index in either the source palette file or the local palette, depending on the action specified in the table above. */ int map_idx [256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x04, 0x05, 0x06, 0x07, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x08, 0x09, 0x0a, 0x0b, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x10, 0x11, 0x12, 0x13, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x14, 0x15, 0x16, 0x17, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x18, 0x19, 0x1a, 0x1b, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x1c, 0x1d, 0x1e, 0x1f, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; /* local palette. Basically a list of 2-bit palettes that is mirrored to the 4-bit palette locations by the map above. Palettes 4-7 are currently unused. */ uint16_t local_palette [32] = { 0x0000, 0x7fff, 0x18c6, 0x6318, 0x0000, 0x43ff, 0x0cc6, 0x3318, 0x0000, 0x43f0, 0x0cc3, 0x330c, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f, 0x7c1f }; int main(int argc, char **argv) { if(argc<3) { fprintf(stderr, "Usage: %s \n", argv[0]); return 1; } FILE *in, *out; if((in=fopen(argv[1], "rb"))==NULL) { perror("Could not open input file"); return 1; } if((out=fopen(argv[2], "wb"))==NULL) { perror("Could not open output file"); return 1; } uint16_t palette_src[256]; uint16_t palette_tgt[256]; uint16_t palette_val; int tgt_index; fread(palette_src, 2, 256, in); for(tgt_index=0; tgt_index<256; tgt_index++) { switch(map_action[tgt_index]) { case MA_LOC: palette_val = local_palette[map_idx[tgt_index]]; break; case MA_SRC: palette_val = palette_src[map_idx[tgt_index]]; break; case MA_NONE: default: palette_val = 0x7c1f; } palette_tgt[tgt_index] = palette_val; } fwrite(palette_tgt, 2, 256, out); fclose(out); fclose(in); return 0; }