One chip MSX improvement project

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Por Yobi

Master (149)

Imagen del Yobi

16-07-2008, 07:00

Yes!
It's alive.... It's alive.

Errr. I'm only missing the DISC BASIC/BIOS... mmm Question

Por luppie

Paladin (869)

Imagen del luppie

16-07-2008, 07:44

sorry cant help you with that one.

Por Torlus

Supporter (5)

Imagen del Torlus

16-07-2008, 19:27

Works for me too, thanks luppie LOL!

Por Yobi

Master (149)

Imagen del Yobi

16-07-2008, 19:59

Yes!
It's alive.... It's alive.

Errr. I'm only missing the DISC BASIC/BIOS... mmm Question

And it's now 100% fully alive!

Now i have to find out the switch combination.

Por Torlus

Supporter (5)

Imagen del Torlus

16-07-2008, 20:58

Yobi, as I know close to nothing about MSX in general, could you please tell me what you did next ?
For now, after the MSX logo, I'm somewhat stuck at the Basic prompt...

Por Yobi

Master (149)

Imagen del Yobi

16-07-2008, 21:22

download the ocm disc at www.grauw.nl/download/1chipmsx-cd.rar
then copy the files at: MSX-DOS2/FAT16 to your SD

Por Ashen

Supporter (3)

Imagen del Ashen

16-08-2008, 16:00

"then copy the files at: MSX-DOS2/FAT16"
Sorry, but this archive hasn't MSX-DOS2/FAT16 files.

Por PingPong

Prophet (3987)

Imagen del PingPong

23-08-2008, 08:52

Is there a plan to rewrite the vdp implementation in order to optmize/improve it? If yes, what news about it?

Por HRA!

Champion (289)

Imagen del HRA!

23-08-2008, 09:22

The plan to rewrite VDP implementation is progressing.

http://www5d.biglobe.ne.jp/~hra/note/onechipmsx/research/v9958/index.htm

However, since I am busy, work has been interrupted temporarily.
It is scheduled to restart in the latter half of September.

Por PingPong

Prophet (3987)

Imagen del PingPong

23-08-2008, 22:03

The plan to rewrite VDP implementation is progressing.

http://www5d.biglobe.ne.jp/~hra/note/onechipmsx/research/v9958/index.htm

However, since I am busy, work has been interrupted temporarily.
It is scheduled to restart in the latter half of September.

That's good HRA!
take a look at this (translate before!)
http://sblive.narod.ru/ZX-Spectrum/V9938/V9938.htm

Here I've found a signal and timing description of the v9938 chip made by a Russian that had synthetized the v9938 core.
Because some aspect of the vdp are unknown with regards the timings (for example: how many byte/scanline can fill a high speed fill command with sprites on at 60hz?), maybe it's a good idea to take a look....

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