Video of flashing a GBA repro

HW3 Setup

In the "Flash Repro" sub-menu under "Game Boy" you will find the following options:

GBA Repro (3V)
GBA 369-in-1 (3V)

GBA Repro (3V):

Currently the cart reader supports three types of GBA repro pcbs...

Intel 4000L0YBQ0 (32MB)

Macronix MX29GL128E (16MB)

Fujitsu MSP55LV128 (16MB)

GBA 369-in-1 (3V):

...and one multi game cartridge.

Intel F0088H0 (256MB)

For this 256MB repro you can use the Multimenu ROM Builder tool to create your own compilations.

Savegames

Repros with SRAM and a battery only support SRAM saves therefore you will have to patch all ROMS with eeprom/flashrom save type to SRAM save using a program like GBA TOOL ADVANCE.

Repros that come without a battery have the save located inside the ROM area. When booting the game there is a routine hacked into the ROM that copies the save from the flashrom into the SRAM. When you save in-game the save gets copied back into the flashrom.
ROMs flashed to those in addition need to go through a batteryless saving patcher.

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