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Questions tagged [front-panel]

Use of front panels (lights, switches and buttons) to view and control CPU state.

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8
votes
3answers
472 views

Why did 1970s front panels prefer momentary toggle switches to push buttons?

This question is about computers with front panels that use only toggle switches for input of binary data (such as address and data values), as opposed to keypads for numerical input or other methods. ...
12
votes
3answers
811 views

How did the Altair 8800 front panel load the program counter?

My understanding is that when you toggle in an address on the Altair 8800 front panel switches and then press the EXAMINE switch, it loads the program counter with that address, or at any rate does ...
4
votes
1answer
622 views

Source code of front-panel entered Altair 8800 programs

I'm looking for the source code of short programs for the MITS Altair 8800 (let's say < 50 instructions to make the question more specific), so they can be entered by using only the front panel. ...
21
votes
2answers
982 views

Identify this front panel

It was in the movies "Star Trek II: The Wrath of Khan" (1982) and "Serenity" (2005). It resembles the Honeywell 6000 series but I can't find a photo of it that matches exactly. Could it be a custom ...