Macro Assembler Up until now programming was done in hex code. Which is quite cumbersome and error prone. It's time to switch to more powe…

Add reset vectors to ROM Up until now the 65C02 was only supplied with NOP operation. Including the reset and interrupt vectors making the…

Start CPU Good news. The CPU wasn't damaged after all. The RES (Reset) pin was bent inwards. To bad I didn't make a photo to show how that…

Create a ROM with only NOP operations. It seems that the broken power supply has also destroyed the CPU itself. That's very bad and I have…

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 …

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…

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…

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…

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…

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 …