Questions tagged [testing]

For questions on testing retrocomputing hardware and software.

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5 votes
2 answers

Is it possible to write unit tests in Applesoft BASIC?

It's been decades since I wrote anything in BASIC. But I'm curious: If I were to go back and start playing around with it, would my test coverage be essentially zero percent by necessity? Or is there ...
Mayor of the Plattenbaus's user avatar
7 votes
2 answers

How long should I expect the Apple IIc self test to run?

I purchased a vintage Apple IIc computer and I want to make sure there are no failing components. I booted up the computer while pressing both Apple keys (open and close) at the same time. The ...
Swisher Sweet's user avatar
22 votes
3 answers

Was there any automated unit testing prior to 1972?

Prior to 1972, was there any automated unit-testing? Did any assemblers include a testing a framework? I can find some academic journals on this topic from the late 70s -- most of which I don't have ...
Evan Carroll's user avatar
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33 votes
2 answers

Why was 2^127 − 1 an interesting problem for "Baby"?

The BBC News article The 'Baby' that ushered in modern computer age along with the short embedded video begins with: A machine that took up an entire room at a laboratory in Manchester University ran ...
uhoh's user avatar
  • 2,349
8 votes
5 answers

How did software engineers test their code in 19xx? [closed]

There is a plethora of tools available for engineers to test their code these days. However, frameworks like Mocha.js came around only in 2011 with the ascent of NPM. So I wonder what were the ...
lmenus's user avatar
  • 181
13 votes
2 answers

BBC Master 65C102 co-processor — test memory

Out of the blue the other day, my friend found an internal 65C102 co-processor for the BBC Master in his attic, and gave it to me. It wasn't in particularly good physical condition (all the pins were ...
Muzer's user avatar
  • 1,742
11 votes
1 answer

8080/8085 Instruction Test Suite

(This question was inspired by Comprehensive test suites for MOS 6520 PIA / 6522 VIA / 6526 CIA) Is there a comprehensive test suite for the Intel 808X series of processors? Something that would ...
JAL's user avatar
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18 votes
2 answers

Comprehensive test suites for MOS 6520 PIA / 6522 VIA / 6526 CIA

Are there any automated test suites for MOS 6520, 6522 and 6526 chips? I am looking for test suites aimed at making sure datasheet-based independent reimplementations of the above chips (e.g. FPGAs or ...
Cactus's user avatar
  • 2,642