| | 1 | #include <stdio.h> |
| | 2 | #include <string.h> |
| | 3 | |
| | 4 | static FILE *fo = NULL; |
| | 5 | |
| | 6 | static void out(int r, int is_last) |
| | 7 | { |
| | 8 | if (!is_last) |
| | 9 | { |
| | 10 | fprintf(fo, " or $t%i, $t%i, $a2\n", r, r); |
| | 11 | fprintf(fo, " sb $t%i, %i($a0)\n", r, r); |
| | 12 | } |
| | 13 | else |
| | 14 | { |
| | 15 | fprintf(fo, " or $t%i, $t%i, $a2\n", r, r); |
| | 16 | fprintf(fo, " jr $ra\n"); |
| | 17 | fprintf(fo, " sb $t%i, %i($a0)\n", r, r); |
| | 18 | } |
| | 19 | } |
| | 20 | |
| | 21 | unsigned char pattern_db[0x100]; |
| | 22 | |
| | 23 | static int check_label(unsigned char i) |
| | 24 | { |
| | 25 | if (!pattern_db[i]) { |
| | 26 | fprintf(fo, "tile%i%i%i%i%i%i%i%i:\n", (i&0x80)?1:0, (i&0x40)?1:0, (i&0x20)?1:0, (i&0x10)?1:0, |
| | 27 | (i&0x08)?1:0, (i&0x04)?1:0, (i&0x02)?1:0, (i&0x01)?1:0); |
| | 28 | pattern_db[i] = 1; |
| | 29 | return 0; |
| | 30 | } |
| | 31 | |
| | 32 | return 1; |
| | 33 | } |
| | 34 | |
| | 35 | |
| | 36 | int main() |
| | 37 | { |
| | 38 | int i; |
| | 39 | |
| | 40 | fo = fopen("out.s", "w"); |
| | 41 | if (!fo) return 1; |
| | 42 | |
| | 43 | memset(pattern_db, 0, sizeof(pattern_db)); |
| | 44 | |
| | 45 | for (i = 0xff; i > 0; i--) |
| | 46 | { |
| | 47 | if (check_label(i)) continue; |
| | 48 | |
| | 49 | if (i & 0x01) out(0, !(i&0xfe)); |
| | 50 | check_label(i&0xfe); |
| | 51 | if (i & 0x02) out(1, !(i&0xfc)); |
| | 52 | check_label(i&0xfc); |
| | 53 | if (i & 0x04) out(2, !(i&0xf8)); |
| | 54 | check_label(i&0xf8); |
| | 55 | if (i & 0x08) out(3, !(i&0xf0)); |
| | 56 | check_label(i&0xf0); |
| | 57 | if (i & 0x10) out(4, !(i&0xe0)); |
| | 58 | check_label(i&0xe0); |
| | 59 | if (i & 0x20) out(5, !(i&0xc0)); |
| | 60 | check_label(i&0xc0); |
| | 61 | if (i & 0x40) out(6, !(i&0x80)); |
| | 62 | check_label(i&0x80); |
| | 63 | if (i & 0x80) out(7, 1); |
| | 64 | } |
| | 65 | |
| | 66 | fclose(fo); |
| | 67 | |
| | 68 | return 0; |
| | 69 | } |
| | 70 | |
notaz.gp2x.de / picodrive.git / blame_incremental