MegaROM emulator for Turbo R

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By tvalenca

Paladin (747)

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21-05-2015, 21:36

Do anyone here heard about this program? I've heard that it uses an still undocumented feature of S1990. Sure I've googled it, but no success yet.

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By mars2000you

Enlighted (6561)

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21-05-2015, 22:31

Previous links will give you version 5. To get version 6 (seems to be the last version), here the links :

http://web.archive.org/web/20010410190236/http://www.mai.shi...

http://web.archive.org/web/20010410190236/http://www.mai.shi...

By mars2000you

Enlighted (6561)

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21-05-2015, 22:35

There's actually a version 7 :

http://web.archive.org/web/20011028193046/http://www.mai.shi...

but the link to the file does not work ...

By mars2000you

Enlighted (6561)

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21-05-2015, 22:50

And the most used version in Europa seems to be version 3 !!!

http://members.ziggo.nl/the.incantation/

By mars2000you

Enlighted (6561)

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21-05-2015, 22:56

Finally found the most recent version : it's version 10 !!!

http://d4.princess.ne.jp/msx/soft1.htm

By Manuel

Ascended (19679)

Manuel's picture

21-05-2015, 23:33

Note, you are allowed to edit posts Wink

But, what exactly can you do with this? Run megaROMs on the turboR's memory mapper? How does it work?

By mars2000you

Enlighted (6561)

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21-05-2015, 23:35

I've never tried this tool.

Btw, it should be a good idea to update the link, on the MSXFaq website.

By NYYRIKKI

Enlighted (6093)

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22-05-2015, 09:02

@Manuel I know that you can use tR's internal memory mapper in 8KB blocks trough firmware slot. How it works exactly, I don't remember... I've seen some documentation about this feature (made by Bifi?) but unfortunately I lost it due to mailbox corruption.

By Guillian

Prophet (3529)

Guillian's picture

22-05-2015, 10:36

About 20 years ago I made TRLOAD, that is a ROM loader, similar to Megamu, for turbo R, with save states (added by Okei).
It uses Panasonic mapper that is similar to a megaROM mapper, but can access the whole address range #0000-#FFFF in 8K banks. Also it supports 9 bits bank numbers. Depending on the bank number range, it can access firmware, BIOS, RAM...

By NYYRIKKI

Enlighted (6093)

NYYRIKKI's picture

22-05-2015, 14:26

Yes, sounds about what I remember... How ever one thing that I wonder is that how much mapper RAM you can actually point? I mean... 9bit*8K is only 4096K of memory and even the mapper alone can be this big in theory...

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