notes:flashcart:ws_flash_masta
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revision | |||
| notes:flashcart:ws_flash_masta [2025/06/15 11:29] – [2003 mapper emulation bugs (rev5+)] asie | notes:flashcart:ws_flash_masta [2025/06/15 12:07] (current) – [2003 mapper emulation bugs (rev5+)] asie | ||
|---|---|---|---|
| Line 38: | Line 38: | ||
| * RTC port 0xCA always returns either 0x94 (while a command is being processed) or 0x84 (when it is done). It is unknown if anything beyond the "set slot ID" command is emulated. | * RTC port 0xCA always returns either 0x94 (while a command is being processed) or 0x84 (when it is done). It is unknown if anything beyond the "set slot ID" command is emulated. | ||
| * All other bytes in the 0xC0~0xDF space have all 8 bits writable. Bytes 0xE0~0xFF are not writable and always return 0x00. | * All other bytes in the 0xC0~0xDF space have all 8 bits writable. Bytes 0xE0~0xFF are not writable and always return 0x00. | ||
| - | * Port 0xCF is not a mirror of byte 0xC0 and has no effect, though it is set to 0x3F on boot just like byte 0xC0. | + | * Port 0xCF is not a mirror of port 0xC0 and has no effect, though it is set to 0x3F on boot just like byte 0xC0. |
| * Setting bit 0 of port 0xCE disconnects the NOR flash from the ROM bus (memory area 0x20000 - 0xFFFFF returns 0xFF bytes). | * Setting bit 0 of port 0xCE disconnects the NOR flash from the ROM bus (memory area 0x20000 - 0xFFFFF returns 0xFF bytes). | ||
| Power on state: '' | Power on state: '' | ||
notes/flashcart/ws_flash_masta.txt · Last modified: by asie