Flash2Advance 128M (4x 3204C3B100) misidentified as Ultra 256M

[JORGETECH]

I tested using the last version of FlashGBX (v4.6) with the GBflash to see if I could dump and flash an old Flash2Advance with 128 Mbit flash size. The 128Mbit Flash2Advance that was previously reported by another user has different flash chips, this one has four Intel 3204C3B100 flash chips (I think it's also referred as the Pro 128M):

FlashGBX seems to be able to correctly interface with the flash cart but it thinks it's an Ultra 256M instead (with 8x 3204C3B100), which means the program thinks it has 32 MiB of flash space, instead the correct value should be 16 MiB. By setting it manually to 16 MiB I can at least make verified dumps and flash the cartridge without any issues. So it seems like the software just needs a new profile for this cartridge.

Here is the detailed report that FlashGBX gives for the cartridge (flashed with a Pogoshell ROM):

ROM Title: POGOSHELL
ROM Size: 32 MiB
Save Type: Unlicensed 512K SRAM (64 KiB)

Flash ID Check:
[ ROM ] 2E 00 00 EA 24 FF AE 51
[ 0/ 90] 89 00 00 EA C5 88 AE 51
[ 2/ 90] 89 00 89 00 C5 88 C5 88
[ AAA/AAA9] 2E 00 89 00 24 FF C5 88
[ AAA/ A9] 2E 00 89 00 24 FF C5 88
[ AAA/ AA] 2E 00 89 00 24 FF C5 88
[ 5555/AAA9] 89 00 00 EA C5 88 AE 51
[ AAAA/ AA] 2E 00 89 00 24 FF C5 88

Common Flash Interface Data: Not available

Compatible Cartridge Types:

• Flash2Advance Ultra 256M with 8× 3204C3B100*
• Flash2Advance Ultra 64M with 2× 28F320C3B

FlashGBX v4.6 | GBFlash v1.3 – Firmware L14 (/dev/ttyUSB0)

[Lesserkuma]

Thanks for letting me know!
With the current algorithm, it can't be auto-detected more reliably, but maybe I will find time to rework this in the future.