MEGA FLASH ROM don't work fine on MY MSX1 (VG8020/40)

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By DaikuMaryuGaiking

Expert (70)

DaikuMaryuGaiking's picture

12-01-2020, 22:03

Hi!
On Christmas days I've tested my old VG8020/40 with MEGA FLASH ROMS 512k SCC+ SD.

It not start with Multimente, of course, but with Nextor sys 2.10

" *** INVALID PARAMETER
A:\> "

I use SOFARUN and OPFXSD for flash the roms, but I've noted that some ROMS ov MSX DEV dont'work with nothing of software. I've also tried ODO, but nothing.

The roms that not work are: RETALIOT, SELENIAK, Dr PILL, ......also Flicky of SEGA doesn't work.

All named roms work on MSX2 NMS8280.

Please help me!

Thanks Eek!

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By Meits

Scribe (5737)

Meits's picture

12-01-2020, 22:07

VG8020 is an MSX1. MultiMente is an MSX2 and later tool.

By DaikuMaryuGaiking

Expert (70)

DaikuMaryuGaiking's picture

12-01-2020, 22:24

Meits wrote:

VG8020 is an MSX1. MultiMente is an MSX2 and later tool.

I know! I've writed "of course" Smile

By Meits

Scribe (5737)

Meits's picture

13-01-2020, 00:29

ah yes, i see, sorry for reading too quick there Wink

By Guillian

Prophet (3265)

Guillian's picture

13-01-2020, 10:06

DaikuMaryuGaiking wrote:

The roms that not work are: RETALIOT, SELENIAK, Dr PILL, ......also Flicky of SEGA doesn't work.

All named roms work on MSX2 NMS8280.

Why do you think MFR SD does not work fine?

I have tested Dr. Pill and Seleniak on a 8020/00 and work fine.
Also, I have tested Seleniak on openMSX on a 8020/20, and works.

By DaikuMaryuGaiking

Expert (70)

DaikuMaryuGaiking's picture

13-01-2020, 13:56

I have 8020/40, is it different?

Somehow dr.pill work with OPFXSD, but not with Sofarun. SELENIAK doesn't work never.
Other roms reset the machine in loop.

By DaikuMaryuGaiking

Expert (70)

DaikuMaryuGaiking's picture

13-01-2020, 13:59

Retaliot with sofarun reboot in loop the machine, while with OPFXSD the game start but graphics glitch until crash and reboot aystem.

By Guillian

Prophet (3265)

Guillian's picture

13-01-2020, 15:44

Try flashing Retaliot using /U option. If it works, then the problem is in the game, not in MFR SD.

By DaikuMaryuGaiking

Expert (70)

DaikuMaryuGaiking's picture

13-01-2020, 21:10

I never told that the problem is MFR Smile With my NMS8280 work all it! Smile

By DaikuMaryuGaiking

Expert (70)

DaikuMaryuGaiking's picture

13-01-2020, 21:24

This is the effect on my VG8020/40 with OPFXSD with or wothout /U option

https://youtu.be/GcsGHz6QFIE

By pgimeno

Resident (62)

pgimeno's picture

14-01-2020, 02:55

I've tried Retaliot and Seleniak on a MFRSCC+SD512 on a Philips VG-8020/40 just like yours. Seleniak works fine for me both with OPFXSD and with SofaRun (I'm using the one with SHA-1 c48f395060d919a13b3dfdb0d89cea9e32fc8f10). I haven't tried Dr. Pill.

Retaliot looks much worse in the real machine when using OPFXSD, as compared to using SofaRun. However, the reason seems clear: it's not designed to run in a real MSX1 because it writes too fast to VRAM. In MSX2 it runs fine because the MSX2 only has that problem in SCREEN 0 that I've heard, not in the other modes. In the emulator, with a MSX1, it looks pretty much like in the real machine with SofaRun.

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