phuclv
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2 answers
11 votes
579 views
1 bookmarks
Is integer arithmetic really slower than float with (early) MS-BASIC?
9 answers
11 votes
2k views
2 bookmarks
Alternatives for TurboVision on DOS
5 answers
11 votes
664 views
1 bookmarks
Has there been any effort to research the undocumented Thumb instructions of ARM7TDMI?
1 answers
10 votes
459 views
1 bookmarks
Which pre-IEEE computers had a single precision FPU and implemented double precision floats in software?
3 answers
10 votes
923 views
2 bookmarks
The NexGen's x86 internal RISC architecture
2 answers
10 votes
2k views
1 bookmarks
Did the PDP-8 designers consider a stack?
3 answers
10 votes
3k views
2 bookmarks
Comparing Signed Numbers on Z80 (8080) in Assembly
3 answers
9 votes
2k views
1 bookmarks
Daisy-chained cassette drive?
2 answers
9 votes
505 views
1 bookmarks
Why do the later 18 bit PDPs include both ones' and two's complement?
2 answers
9 votes
2k views
2 bookmarks
Were any DOS games (or software) known to use VBE/AF?
4 answers
8 votes
5k views
2 bookmarks
Set screen resolution in DOS-only PC
3 answers
8 votes
1k views
1 bookmarks
Commodore 8-bit character sets
1 answers
8 votes
434 views
1 bookmarks
Was there ever a division instruction with sign of the remainder following the sign of the quotient?
5 answers
8 votes
503 views
2 bookmarks
Besides the IBM 709 and its descendents, did any other machine have "slightly longer" registers?
4 answers
7 votes
2k views
1 bookmarks
Choosing a monochrome color at the monitor?
1 answers
6 votes
879 views
1 bookmarks
Why did the Apple III not support the color red?
2 answers
6 votes
624 views
1 bookmarks
What system pioneered displaying masking characters for password entry and why?
4 answers
5 votes
751 views
3 bookmarks
How was corporate training done before PowerPoint?
3 answers
3 votes
309 views
3 bookmarks
How did control characters work in real teletypes?
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