WonderWitch/Flash: Difference between revisions
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m (→Sector layout) |
(→Sector layout: validate sector protection settings on WW cart) |
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| Line 8: | Line 8: | ||
! End | ! End | ||
! Size | ! Size | ||
! Protected | |||
|- | |- | ||
| rowspan="6" | 2 | | rowspan="6" style="text-align: center;" | 2 | ||
| $00000 | | $00000 | ||
| $0FFFF | | $0FFFF | ||
| 64 KB | | 64 KB | ||
| rowspan="10" style="text-align: center;" | No | |||
|- | |- | ||
| $10000 | | $10000 | ||
| Line 34: | Line 36: | ||
| 64 KB | | 64 KB | ||
|- | |- | ||
| rowspan="8" | 1 | | rowspan="8" style="text-align: center;" | 1 | ||
| $60000 | | $60000 | ||
| $63FFF | | $63FFF | ||
| Line 54: | Line 56: | ||
| $71FFF | | $71FFF | ||
| 8 KB | | 8 KB | ||
| rowspan="4" style="text-align: center;" | Yes | |||
|- | |- | ||
| $72000 | | $72000 | ||
Latest revision as of 17:36, 1 January 2025
The WonderWitch cartridge features a 512KiB flash chip - the MBM29DL400TC. While the WonderSwan SoC pervents writes to the ROM area, it can be written to via the SRAM area using port $CE on the Bandai 2003 mapper.
Sector layout
| Bank | Start | End | Size | Protected |
|---|---|---|---|---|
| 2 | $00000 | $0FFFF | 64 KB | No |
| $10000 | $1FFFF | 64 KB | ||
| $20000 | $2FFFF | 64 KB | ||
| $30000 | $3FFFF | 64 KB | ||
| $40000 | $4FFFF | 64 KB | ||
| $50000 | $5FFFF | 64 KB | ||
| 1 | $60000 | $63FFF | 16 KB | |
| $64000 | $6BFFF | 32 KB | ||
| $6C000 | $6DFFF | 8 KB | ||
| $6E000 | $6FFFF | 8 KB | ||
| $70000 | $71FFF | 8 KB | Yes | |
| $72000 | $73FFF | 8 KB | ||
| $74000 | $7BFFF | 32 KB | ||
| $7C000 | $7FFFF | 16 KB |
Note that the MBM29DL400TC allows operating simultaneously in two banks: the first 384 KB can be programmed or erased while the last 128 KB remains readable, and vice versa.
Commands
TODO
