Questions tagged [display]

For questions regarding the display formats of retrocomputers.

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28
votes
7answers
30k views

How can you connect an Amiga 500/600/1000/2000 to a modern monitor?

I have an Amiga 500 that I'd like to get up and running again, but the 1084 monitor with which I used to use it has flyback transformer issues. What options are available to hook it up to a modern ...
61
votes
2answers
10k views

Why are a lot of monochrome computer monitors green?

In my perception, the most common color for monochrome computer monitors is green or white/grey, though I have seen orange monitors. Is this genuinely the case, and if so, is there a reason for it?
9
votes
7answers
2k views

What are principles of vector CRT display? Simplest way to drive CRTs?

I am into playing with TTL to build 1970s style minicomputers. Aside from talking to them via some serial (or parallel) I/O port to a terminal, I am wondering about display output. This here is about ...
22
votes
5answers
4k views

What is the hex versus octal timeline?

When and why did hexadecimal representation become more common than octal for displaying and printing out multi-bit binary fields?
15
votes
7answers
5k views

Was the picture area of a CRT a parallelogram (instead of a true rectangle)?

This may seem like an absurd question at first, but I've been giving it some thought and I'm genuinely curious about the design details of these devices. I was reading an answer on an unrelated Stack ...
24
votes
2answers
3k views

Why did the original Apple //e have two sets of inverse video characters?

According to Apple II Technical notes Mouse #6, updated January 1989, In unenhanced Apple IIe computers, the alternate character set contained two sets of inverse uppercase characters. In the ...
15
votes
7answers
3k views

CP/M in less than 80 columns

The standard for business computing in the seventies and eighties was 80 columns, and CP/M was primarily for business computing, so it's unsurprising that CP/M typically ran in 80 columns. For example,...
8
votes
2answers
528 views

First computer to have interactive text on a CRT?

What was the first computer to have interactive text on a CRT ? That the text on screen responded to key-presses without significant delay . I remember seeing some very early radar-installation CRT'...