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Joined: Jan 2012
Posts: 1,179 Likes: 16
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Very Senior Member
Joined: Jan 2012
Posts: 1,179 Likes: 16 |
Woo-hoo, thanks for the work on the 7220, crazyc (& Kale? He was posting about it in the pc-98xx thread). It looks like the drawing areas are converging ... and is that Zoom in the characters?  With Sandro's recent addition of CopyQM files and a softlist, it's waiting to have software thrown at it 
NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
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Joined: Jan 2012
Posts: 890 Likes: 17
Senior Member
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Senior Member
Joined: Jan 2012
Posts: 890 Likes: 17 |
I think I've found the source to the positioning problems. If the GD bit is set in the FIGS command then pitch is effectively halved but only when figure and char drawing and in mixed mode. Still need to figure out exactly how it works though.  
Last edited by crazyc; 10/15/14 10:28 PM.
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Joined: Jan 2012
Posts: 890 Likes: 17
Senior Member
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Senior Member
Joined: Jan 2012
Posts: 890 Likes: 17 |
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Joined: Feb 2004
Posts: 2,503 Likes: 199
Very Senior Member
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Very Senior Member
Joined: Feb 2004
Posts: 2,503 Likes: 199 |
That thing is a great test case for the uPD7220
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Joined: Feb 2004
Posts: 2,503 Likes: 199
Very Senior Member
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Very Senior Member
Joined: Feb 2004
Posts: 2,503 Likes: 199 |
Speaking of which, with a solid uPD7220, could we emulate a Number Nine Revolution ISA card?
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Joined: Feb 2005
Posts: 449
Senior Member
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Senior Member
Joined: Feb 2005
Posts: 449 |
Another great test case for the uPD7220 is the Nokia MikroMikko 1 driver, but currently it won't boot from floppy for some reason.
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Joined: Mar 2001
Posts: 17,070 Likes: 143
Very Senior Member
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Very Senior Member
Joined: Mar 2001
Posts: 17,070 Likes: 143 |
Vas: if the video BIOS and drivers (if there are any, they're pre-Win 3.x) / software for those cards turn up, it should be possible.
Last edited by R. Belmont; 10/17/14 12:12 PM.
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Joined: Mar 2001
Posts: 17,070 Likes: 143
Very Senior Member
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Very Senior Member
Joined: Mar 2001
Posts: 17,070 Likes: 143 |
Yeah, that Artist-1 board is definitely a 7220. No obvious (P)ROMs either.
I guess the next question is, does the #9 Revolution ISA have a video BIOS, or is it strictly a second-monitor-for-CAD type of thing? The latter we could probably emulate just with what the Internet Archive has.
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Joined: Oct 2006
Posts: 1,017 Likes: 21
Very Senior Member
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Very Senior Member
Joined: Oct 2006
Posts: 1,017 Likes: 21 |
I will hopefully be acquiring more information from a collector.
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