gba

Writing PSRAM in EZ Flash 3 in 1

I am trying to figure out how to program the PSRAM in the GBA sized EZ Flash 3 in 1 card. Basically repeat what GBA Exploader and other programs do. If I select a block and program it then read it back the first halfword is always 0x1500 or something like that, but the rest of the data is fine. If on the write I select the previous ...

Help with GBA ARM assembly program

I tried to modify this ARM assembly program (see bottom of the page) to use subroutines. It should display a red screen on the GBA (and compiling the example program it actually does, so it's not a toolchain use problem), but, when I run it, the screen goes black instead. I'm using devkitARM 30 .arm .text .global main main: mov r0, ...