lukesau's latest activity

  • lukesau
    lukesau replied to the thread Hardware Basic Repair Guide of Current EZ-FLASH Products.
    I recovered from the "black bar instead of Nintendo" failure on EZ Flash Jr. by desoldering and reprogramming the U2 SPI flash chip. My silkscreen says 25Q40H, but the JEDEC ID reads as an EON EN25F40. I saw images of other ez flash jrs that use...
  • lukesau
    lukesau replied to the thread How does EZ Flash Junior work?.
    A few things I can add from poking at the firmware and doing some hardware tests. The thread's right that the game runs from U9's pSRAM, and I can confirm it's volatile: after loading a game, a quick power cycle reads the ROM back intact, but...
  • lukesau
    lukesau posted the thread Hello in Introductions.
    I joined to share my work on a custom EZ Flash Jr. kernel
  • lukesau
    lukesau posted the thread Hacking Hardware GBA Project Custom EZ Flash Jr. Kernel in Nintendo GBA.
    I have been working on a modified version of the EZ Flash Jr. kernel (ezgb.dat or kernel.gb) for the past few months and I finally have the features I was looking to add: Continuous scrolling via the down arrow past the stock 16 file limit...
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