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Mickey's Safari in Letterland/RAM map
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The following article is a RAM map for Mickey's Safari in Letterland.
| RAM | Function | Details |
| 0x0000-0x0005 | Text string "Mickey" | Used to differentiate between soft/hard resets |
| 0x0006 | PPU_CTRL mirror | |
| 0x0007 | PPU_MASK mirror | |
| 0x003C | Frame delay counter | |
| 0x003D | Controller 1 input | |
| 0x003E | Controller 2 input | |
| 0x020A-0x020C | Hidden word for current level | |
| 0x021A | Difficulty level | |
| 0x023F-0x0246 | Letter Set 1 | Yukon stages (5 total, rest blank) |
| 0x0247-0x024E | Letter Set 2 | Swamp stages (4 total, rest blank) |
| 0x024F-0x0256 | Letter Set 3 | Forest stages (4 total, rest blank) |
| 0x0257-0x025E | Letter Set 4 | Pyramid stages (5 total, rest blank) |
| 0x025F-0x0266 | Letter Set 5 | Jungle stages (4 total, rest blank) |
| 0x0267-0x026E | Letter Set 6 | Caribbean stages (4 total, rest blank) |
| 0x029C-0x02BC | Palette sets | |
| 0x049F | Screen scroll, y (high byte) | |
| 0x04A0 | Screen scroll, y (low byte | |
| 0x04A2 | Screen scroll, x (low byte) | |
| 0x04A3 | Screen scroll, x (high byte) | |
| 0x0700-0x07FF | Sprite data | |
| 0x0800-0x0FFF | Mirror of 0x0000-0x07FF | |
| 0x1000-0x17FF | Mirror of 0x0000-0x07FF | |
| 0x1800-0x1FFF | Mirror of 0x0000-0x7FFF |
Internal Data for Mickey's Safari in Letterland
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