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Questions tagged [vga]

For questions related to VGA signals, sources or receivers

10
votes
4answers
392 views

For fast scrolling DOS games, when was Mode13h preferred over Mode X?

Back in the DOS days of gaming (more specifically, 80286 - 80486 era), developers typically needed to choose between using the chunky and easier Mode 13h or the more complex "Mode X" that provided ...
8
votes
2answers
348 views

Strange “snow” artifacts when dragging a window in 256-color mode

I picked up a nice Packard Bell Legend 245 over the weekend, and it works great apart from one issue so far: when dragging windows around the screen (Win 3.1), the screen gets corrupted with weird ...
2
votes
3answers
770 views

How can a Z80/8080/6502 use VGA?

I've come across a couple of projects that manage to get VGA working with the Z80 and similar CPUs: Veronica (6502 CPU, VGA signal generation by AVR) ZC160 (Z80 CPU, VGA signal generation by GAL) c-...
14
votes
2answers
2k views

Is the s-video output on the Commodore 64 different from “normal” s-video?

I saw Commodore 64 to modern TV about how to connect the Commodore 64 to a modern TV. I don't understand all the details of the answer, so I wanted to try and ask something specific here. In short, I ...
17
votes
4answers
4k views

What video connections were common in Europe?

What video connections were common on European TVs and monitors during the "retro" era? In the USA, first there were none on TVs (RF screw terminals only) and monitors had composite (yellow RCA, CVBS)...
5
votes
1answer
179 views

Does a final version of the IBM VGA XGA Technical Reference Manual exist?

I'm doing some bare metal programming and I'm getting a lot of information from the IBM VGA XGA Technical Reference Manual May92 document. The only reference I can find about this document, is this ...
14
votes
3answers
791 views

Do all VGA cards implicitly support CGA and EGA?

Practically speaking, if I buy an ISA VGA card, will it implicitly support CGA and EGA games?
10
votes
5answers
2k views

Invert LCD screen in DOS 5.0

Would like to run "black on white" software on a DOS machine with an LCD screen, so am wondering if there are any TSR tools, or similar, for inverting the screen. I believe it is grey scale VGA, not ...
7
votes
3answers
351 views

Choosing a VGA card for the IBM 5162?

When shopping for a VGA ISA card, how might I know if it would be compatible with an IBM 5162? Do all 8-bit and 16-bit ISA VGA cards work, or only some?
2
votes
1answer
153 views

Which graphics adapters outputted S-Video over VGA?

To this day you can buy passive cables which separate out S-Video and composite signals from VGA. There's always a warning to check whether your graphics adapter output these over the VGA connector. ...
12
votes
2answers
540 views

Acorn Electron to VGA/HDMI?

I am aware that there are answers regarding this but they do not seem to answer it for me. A few years back I got a Acorn Electron and it works using the arial for video fine, but I would like to ...
13
votes
6answers
2k views

Converting SCART to VGA/Jack

I have a few home-microcomputers that use SCART to output both audio & video to TV screens such as the Atari STE 1040 and the Sony MSX Hitbit 501. I don't have room to store old cathode-ray ...
8
votes
1answer
1k views

Game Boy DMG to VGA

I have a Game Boy DMG with a broken screen that I want to turn into a small arcade machine, so I need to display the Game Boy screen on a bigger (computer) screen. I tried doing so with an Arduino. I ...
15
votes
3answers
2k views

With a 15 kHz video signal (240p or 480i), does VGA have any real-world advantage over S-Video?

It's difficult to find a modern LCD monitor that can display a 15 kHz signal through VGA, so I'm wondering if S-Video is just as good when displaying 240p and 480i? I've looked at screenshot and video ...