Memory Layout

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Sam Hocevar edited this page Jan 8, 2018 · 3 revisions

Some notes about the memory layout.

`0x0000—0x2000`: graphics

`0x1000—0x3000`: map

`0x3000—0x3100`: gfx props

`0x3100—0x3200`: song

`0x3200—0x4300`: sfx

`0x4300—0x5e00`: user data

`0x5e00—0x5f00`: persistent storage

`0x5f00—0x5f40`: draw state

0x5f00—0x5f10: draw palette
0x5f10—0x5f20: screen palette
0x5f20—0x5f24: clipping region
0x5f24: ?
0x5f25: pen color
0x5f26: cursor X
0x5f27: cursor Y
0x5f28—0x5f2c: camera
0x5f2c: screen mode
- 0: 128×128 (standard)
- 1: 64×128
- 2: 128×64
- 3: 64×64
- 5: mirror X
- 6: mirror Y
- 7: mirror X,Y
0x5f2d: mouse support
0x5f31—0x5f34: fill pattern

`0x5f40—0x5f80`: hardware state

`0x5f80—0x6000`: GPIO pins

`0x6000—0x8000`: screen