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vintage-computing
krischik
technology
Posted
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3 years ago
Casio fx-602P from 1981 - The best calculator Casio ever made?
A video on one of my favourite programmable calculators. I think keystroke programming is an underrated technique. While Basic and later Pa…
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 11
Add reset vectors to ROM Up until now the 65C02 was only supplied with NOP operation. Including the reset and interrupt vectors making the…
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 7
CPU Monitor program One of the advantages of the WDC60C02 is the fully static design. This makes it possible to stop the CPU clock at any …
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 6
Link breadboards and attach power rails Sadly on day six I didn't get much done as the power supply died on me. And since I don't have ano…
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 5
Finishing the clock module Day 5 and we are still building a clock. But today I finished the clock module. It was fun subproject. Tomorrow…
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 4
Switch De-bouncing We have two clocks, now we need a way to switch between the two. Switches are not as often debounced as buttons but in t…
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 3
Push Button De-bouncer On day three we add a function to slow down the futures computer to one step per button click. On first glance this…
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 2
A clock module Starting to work on the clock for the computer. The finished computer will have three clocks: A full speed 1 MHz clock. A …
krischik
technology
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3 years ago
Ben Eater 6502 Kit — Day 1
Day one of my journey with the Ben Eater 6502 Kit I have decided to try out the Ben Eater 6502 computer kit. To have some fun. On the firs…