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Hi,
Would it be possible you add a revision of this board which support drop-in replacement of the TMS9918A
I saw this one for example:
 with [2068-Z80-TMS9118](https://github.com/Z80-Retro/2068-Z80-TMS9118) using the pre-built image from the website and a fresh…
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The SG-1000 and TI-99/4A use the TMS9918A VDP. This VDP is missing the video signal on pins 35, 36 and 38 that the TMS-RGB project uses to generate the RGB signal. The only viable solution to get RG…
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I'd looked forward to operating this TMS9918a video card as part of an SC130 (Z180) configuration. I was a little disturbed to observe that video card made some use of (some-of) the second-row of RC2…
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Is there a plan to expand the functionality in principle? For example, an expanded or alternative color palette? Or other resolutions, more sprites or multi-colored sprites?
I use a classic TMS9918…
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Are the sources published? I have two problems with the binaries published.
Mi rc2014 (fpga based) has the AY and the keyboard PPI on the MSX ports. (A0-A1 for AY and A9-AB for PPI)
What a…
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More a solution than an issue, but perhaps this could be added to the documentation somewhere. I have verified this modification works with some limited testing.
The standard RC2014 [Pageable ROM m…
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**Reported by manuelbi on 2009-05-29 18:30 UTC**
The bogus VDP modes (see tms9918a.txt section 3.7) isn't emulated properly (tested on Toshiba HX-10 config):
SCREEN2: X=6: LINE(X,0)-(X+5,7),15,BF: A$…
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Do you plan to add any kind of video output to the computer? You currently have a ATtiny4313 that is only used for the ps/2 keyboard interface that could probably also be used to generate some rudimen…
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Two errors show up when trying to build from command ( i am on a mac doing this, but think it would be same for all OS's)
First was to do with panic.c and second was to do with irq.c from the pico-…