OCM: questions and answers

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Par Grauw

Ascended (10618)

Portrait de Grauw

08-12-2006, 08:14

I posted some on the VDP command execution speeds:

http://www.grauw.nl/blog/entry/392

Par cax

Prophet (3738)

Portrait de cax

10-12-2006, 18:38

Indeed, current VDP commands speed should be nice to run SymbOS and such, but at the moment even software emulators are a better choice for development (from the point of exactness of timing).

The question is whether exact VDP timing and other backward compatibility issues should be solved (at least in MSX2-compatible mode) or the upward compatibility is enough (I mean that if any existing MSX/MSX2 program runs in OCM, that's enough).

Par dvik

Prophet (2200)

Portrait de dvik

10-12-2006, 19:35

or the upward compatibility is enough
I think upward compatibility is enough. So far MSX2, MSX2+, MSX-TR has been almost 100% backward compatible. Imo its unfortunate that the WSX and TR aren't timing compatible but thats not so important. It sounds like the OCM can't be 100% compatible with MSX2 so even in an MSX2 mode it will not behave as a real MSX2.

Par msd

Paragon (1474)

Portrait de msd

10-12-2006, 19:55

If the ocm would be 100% a normal msx2 in every way what would be the point of buying it.

Par Manuel

Ascended (18940)

Portrait de Manuel

10-12-2006, 20:22

well, it has a decent keyboard, built in up-scan-converter and is very lightweight Smile

Par AuroraMSX

Paragon (1902)

Portrait de AuroraMSX

18-12-2006, 12:01

well, it has a decent keyboard, built in up-scan-converter and is very lightweight SmileA decent keyboard? afaik, the OCM ships without keyboаrd Tongue
(and on that 'decent' keyboard you want to plug in, show me the [Graph], , [Select], [Kana] or [Any] keys Wink )

Par Manuel

Ascended (18940)

Portrait de Manuel

18-12-2006, 14:32

all true. Better put: it has "flexible" keyboard options Tongue

Par AuroraMSX

Paragon (1902)

Portrait de AuroraMSX

18-12-2006, 15:54

all true. Better put: it has "flexible" keyboard options :Plike this? oO

Par wolf_

Ambassador_ (9983)

Portrait de wolf_

18-12-2006, 16:00

oh, those things so incredibly suck!

Par ro

Scribe (4747)

Portrait de ro

18-12-2006, 16:42

oh, those things so incredibly suck!
I know a certain lady who does the same.. ahum. sorry.
they do? hmm, I never tried but atleast it LOOKS cool. Thaz worth something, ainnit?

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