notes:flashcart:gmp_z003
Table of Contents
M3i Zero (GMP-Z003) programming
Sourced from https://github.com/handsomematt/gmp-z003
Commands
Card: Info (B0 00 00 00 00 00 00 00)
Should be 0x5AA5.
Card: Write (C5 aa bb cc dd tt 00 00)
Receives 512 bytes.
aabbccdd- offset in number of words (?)tt- type:0x00- SD card access (?)0xE0- “SW” header, used with offset = 0, after that offset += 0x10000 (in number of words)0xF0- “SW” regular sector (0x200 bytes)0xA0- “HW” sector. One sector (header ?) is at 0x80000000 then the others start at offset 0.
Card: Query write status? (C6 00 00 00 00 00 00 00)
Returns four bytes (= 0 when finished).
Card: Read (C9 aa bb cc dd tt 00 00)
Returns 512 bytes.
aabbccdd- offset in number of words (?)tt- type (see above)
Card: Query read status (CA 00 00 00 00 00 00 00)
Returns four bytes (= 0 when finished).
notes/flashcart/gmp_z003.txt · Last modified: 2024/11/08 08:58 by asie