Which MSX1 has which VDP exactly?

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Por Manuel

Ascended (18398)

Imagen del Manuel

16-07-2014, 20:27

slumpmax: PAL? TMS9918A is an NTSC vdp... unless you mean TMS9929A?

Por slumpmax

Rookie (26)

Imagen del slumpmax

16-07-2014, 20:49

I'm not sure, but it's written in the manual. Maybe I must find old manual to check again.
However, in a past electrical appliances in Thailand have adapted quite a lot. NTSC is converted to PAL out in a way that is not universal.

Por sd_snatcher

Prophet (3498)

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17-07-2014, 23:52

A small correction: The Expert 1.0, Expert 1.1, Hotbit 1.1 and Hotbit 1.2 use the TMS9128 VDP.

I guess that other machines that are listed with the TMS9118 in fact have the TMS9128.

Tip: If the machine has RGB output, it just can't have the TMS9918 or the TMS9118 inside.

Por Manuel

Ascended (18398)

Imagen del Manuel

18-07-2014, 11:53

OK, in openMSX there is no difference between 1 and 2 on the place of the X: TMS9NXM. So that difference is not so interesting for me, but I will include it in the config files anyway. THanks for the details Smile

Por sd_snatcher

Prophet (3498)

Imagen del sd_snatcher

19-07-2014, 02:01

Yes, it's good to set them correctly in the XML files. Not only it will serve as a good knowledge base, as who know if someday in the future we'll not discover some difference between the VDPs? Smile

Por Manuel

Ascended (18398)

Imagen del Manuel

19-07-2014, 16:07

OK, I am trying to get the proper version in now, but I need something better than "I guess that other machines that are listed with the TMS9118 in fact have the TMS9128.". Do we have more concrete 'proof'?

Por l_oliveira

Hero (532)

Imagen del l_oliveira

20-07-2014, 00:31

Manuel:

The victims:

The computer used on this test was the VG8020/00 (the TMS9929 I used on this test is it's original VDP)

Testing on a V9938: (This is the VG8020/20)

Testing on TMS9128:

Testing on TMS9928

Testing on TMS9929

Utopia does work on TMS9928 and TMS9929 but it shows some stray dots within the text and maybe a few other minor glitches. Works perfectly on TMS9128.

Por sd_snatcher

Prophet (3498)

Imagen del sd_snatcher

20-07-2014, 02:57

Quote:

I need something better than "I guess that other machines that are listed with the TMS9118 in fact have the TMS9128.". Do we have more concrete 'proof'?

Yes, I agree. But then the help of the community will be required. People can post here what VDPs their machines have, if possible with pictures.

Por sd_snatcher

Prophet (3498)

Imagen del sd_snatcher

20-07-2014, 02:59

@l_oliveira

Wow! Impressive! Until now I had never heard about incompatibilities between the Texas VDPs.

Does Utopia run fine on the Toshiba VDPs?

Por l_oliveira

Hero (532)

Imagen del l_oliveira

20-07-2014, 03:14

sd_snatcher wrote:

@l_oliveira
Does Utopia run fine on the Toshiba VDPs?

You know that I have no MSX computer with Toshiba VDPs. Only these two Philips VG8020s and a FS-A1ST. Smile

If I get access to any I would certainly try to help testing these things out.

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