User Tools

Site Tools


notes:flashcart:elcheaposdgb

This is an old revision of the document!


ElCheapo SD 2.x (GB/GBC) programming

Registers

$0000 (RAM enable)

Write $09 to unlock other registers.

$3F00 (SPI read)

Returns the last read value from the SPI bus.

$3F01 (SPI write)

Write to send and receive a bytre via the SPI bus from/to the SD card.

notes/flashcart/elcheaposdgb.1716588478.txt.gz · Last modified: 2024/05/24 22:07 by asie