The Big MegaFlashROM SCC+ SD Topic

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By sdsnatcher73

Paladin (986)

Аватар пользователя sdsnatcher73

03-08-2020, 22:11

Guillian wrote:

I have released a new version of recovery menu: RECOVERY V1.14
This version will automatically skip the firmware of some MSX models:

Support for the NMS8220 would be appreciated if possible. Out of curiosity how do you manage to bypass those firmwares?

By Manuel

Ascended (16697)

Аватар пользователя Manuel

03-08-2020, 22:59

Guillian wrote:
Manuel wrote:

Note that the firmware skip didn't seem to work on the fs-a1 for "pintz and Amiga".

I tested the new feature on openMSX and it worked fine.

I have tested it on my FS-A1 (black) and it works fine. So not sure by it does not work for "pintz and Amiga"

Note that this feature is enabled only in MFR SD 512KB RAM.

You can see it happening here: https://youtu.be/LIHA4BtupdA

They have the one with 512kB RAM. I somehow can't find the exact point where we discuss it, but you can see it happening several times during this live stream.

By Guillian

Prophet (3328)

Аватар пользователя Guillian

04-08-2020, 09:25

sdsnatcher73 wrote:

Support for the NMS8220 would be appreciated if possible. Out of curiosity how do you manage to bypass those firmwares?

Added NMS8220 RECOVERY V1.14b

To bypass the firmware I just take control of the BIOS cartridge search routine, and skip the slot where the firmware is.

Manuel wrote:
Guillian wrote:
Manuel wrote:

Note that the firmware skip didn't seem to work on the fs-a1 for "pintz and Amiga".

I tested the new feature on openMSX and it worked fine.

I have tested it on my FS-A1 (black) and it works fine. So not sure by it does not work for "pintz and Amiga"

Note that this feature is enabled only in MFR SD 512KB RAM.

You can see it happening here: https://youtu.be/LIHA4BtupdA

They have the one with 512kB RAM. I somehow can't find the exact point where we discuss it, but you can see it happening several times during this live stream.

I do not know why it does not work for them. Perhaps the ROM is different to the one in openMSX or my FS-A1.
If you manage to reproduce it on openMSX, I could try to investigate it.

By Guillian

Prophet (3328)

Аватар пользователя Guillian

06-08-2020, 12:06

Guillian wrote:
sdsnatcher73 wrote:

Support for the NMS8220 would be appreciated if possible.

Added NMS8220 RECOVERY V1.14b

@sdsnatcher73 Could you test if it works fine?

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