Find answers to your questions about Retrocomputing or help others by answering their Retrocomputing questions.
What happens when I8008 CPU reads the "undefined" opcode (22h, 2Ah, 32h, 38h, 39h, 3Ah)? Are these opcodes evaluated as a NOP instruction, or lead to some side effects (RESET,...
Asked on 12/31/2020 by Martin Maly
0 answerI am trying to understand the trade-offs between scalar and vector machines, the threshold of complexity/transistor count/performance at which vector machines started to make sense. As data points, the Cray-1...
Asked on 12/27/2020 by rwallace
2 answerWhy can my PC not boot FAT larger than 2GB (FAT32) in legacy mode, but FAT16 and NTFS work fine? It just gives me a non-system disk error, while booting...
Asked on 12/26/2020 by Kevin Crans
1 answerThe Apollo Guidance Computer had its code stored in six modules that held 6 kwords of storage each, and the design of each module was such that changing even a...
Asked on 12/08/2020 by supercat
3 answerFor the Dragon 32 and the TRS-80 Color Computer I've found two documents describing how loading from cassette tape works:Dragon 32 doc, CoCo doc....
Asked on 12/08/2020
1 answerI have an old Sun Ultra workstation from early 2000s, running Solaris with an IDE called sparcworks. I'm trying to revive it (I have some numerical analysis libraries I want...
Asked on 12/07/2020 by Alastair
1 answerBack in 1984, I was commissioned to write some games for ZX-Spectrum. They were sold together. To my amazement I found that someone is selling a copy online. I thought...
Asked on 10/23/2020 by chasly - supports Monica
5 answerThe original CHIP-8 interpreter ran on RCA 1802-based kit computers and home computers, most notably on the COSMAC VIP. Some of the CHIP-8 opcodes are complicated and involve many memory...
Asked on 08/24/2020 by Cactus
3 answerYou know those block graphic symbols that allows you to draw lines, corners, intersections, fine bar charts, etc. they are useful and one can do a lot of stuff, but...
Asked on 08/20/2020 by Gunther Schadow
3 answerGet help from others!
Recent Questions
Recent Answers
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP