trunk/src/mame/drivers/gunpey.c
| r21481 | r21482 | |
|---|
| 64 | 64 | 0x7ffd: 0x43 |
| 65 | 65 | 0x7ffe: 0xf0 |
| 66 | 66 | 0x7fff: 0x15 |
| 67 | | Then, it fills the following work RAMs (with 0 except where noted): |
| 68 | | 0x5e36, 0x5e38, 0x5e44, 0x5e46 (4), 0x5e48, 0x5e4a, 0x5e40, 0x5e42, 0x5b68 (0x9c8), 0x5b6a (0x9c8), 0x59c4 (1) |
| 69 | | 0x8473b: call 0x81415 (TODO) |
| 67 | Then, it fills the following work RAMs (with 0 except where noted): |
| 68 | 0x5e36, 0x5e38, 0x5e44, 0x5e46 (4), 0x5e48, 0x5e4a, 0x5e40, 0x5e42, 0x5b68 (0x9c8), 0x5b6a (0x9c8), 0x59c4 (1) |
| 69 | 0x8473b: call 0x81415 |
| 70 | reads [0x500e] -> [0xf0bc] |
| 71 | reads [0x5010] -> [0xf0be] |
| 72 | (does it twice, shrug -.-") |
| 73 | reads 0xf0bc / 0xf0be |
| 74 | AW = 0xb3c9, CW = 0x10 |
| 75 | 0x81447: call 0xb3aa0 |
| 76 | moves RAM from 0xb3c90-0xb3c9f to RAM 0x400-0x40f |
| 77 | writes 0x800 to [0xf0b8] writes 0 to [0xf0ba] |
| 78 | loops while writing to [0xf0b8] [0xf0ba] for 0x200 times, filling a table at [0x800][0x27f0] with a 1 |
| 79 | writes 0x800 to [0xf0b8] writes 0 to [0xf0ba] again |
| 80 | reads the [0xf0b8][0xf0ba] |
| 81 | 0x81484: call 0xb3aa0 |
| 82 | moves RAM from 0xb3ca0-0xb3caf to RAM 0x800-0x80f |
| 83 | writes 0x2800 to [0xf0b8] writes 0 to [0xf0ba] |
| 84 | loops while writing to [0xf0b8] [0xf0ba] for 0x200 times, filling a table at [0x2800][0x47f0] with a 1 |
| 85 | 0x81484: call 0xb3aa0 |
| 86 | moves RAM from 0xb3ca0-0xb3caf to RAM 0x2800-0x280f |
| 87 | 0x84740: call 0x821cd |
| 88 | fills 0x5c88-0x5c9a with this pattern (byte writes): |
| 89 | [+0x00] 0x00 |
| 90 | [+0x02] 0x00 |
| 91 | [+0x08] 0x00 |
| 92 | [+0x04] 0x00 |
| 93 | [+0x0c] 0x00 |
| 94 | [+0x0e] 0x0c |
| 95 | [+0x06] 0x00 |
| 96 | [+0x10] 0x00 |
| 97 | [+0x12] 0x0c |
| 98 | does the same with 0x5c89-0x5c9b |
| 99 | 0x84745: call 0x82026 (TODO) |
| 70 | 100 | |
| 101 | |
| 71 | 102 | ============================================================================================= |
| 72 | 103 | |
| 73 | 104 | Gunpey |