At this point, I have a nice little 65C02 system with 64KBytes of RAM, a little “monitor” with serial interface. I can run Applesoft, ehBasic and BBC Basic. Where now? Well… without really trying (nor setting out to do this … Continue reading
Category Archives: BASIC
Testing the Ruby 6502 After making it on breadboard, I was already relatively confident that it would work on stripboard and my initial testing went well. I could access the shared RAM from the ATmega, write test patterns into it, … Continue reading
How does it work? The 6502 (or W65C02S in our case) is really designed to have some ROM (or modern flash, etc.) to enable it to boot. At power on or reset, it reads an address out of a fixed … Continue reading
Where next? I had a barely working 6502 prototype system on my workbench. It was a little unstable and didn’t like being moved, but it did work and demonstrated to me that the concept was viable. Initially I didn’t know … Continue reading
In 1976, Steve Wozniac wrote what’s commonly known simply as Wozmon. Wozmon is a machine-code monitor program and for those who may not be aware, this is essentially code that starts to run in a microprocessor at initial power on. … Continue reading
So as well as technology, I love baking – to the extent that I bake stuff to sell with all the shenanigans that goes with that. Local authority inspections, food hygiene certificates, insurance, blah…. Some bread I made … (Devon … Continue reading
From the Wikipedia entry: The Little Man Computer (LMC) is an instructional model of a computer, created by Dr. Stuart Madnick in 1965. The LMC is generally used to teach students, because it models a simple von Neumann architecture computer … Continue reading
So today (30th April, 2014) marks the 50th anniversary of the BASIC programming language! Hurrah! The very first BASIC program: 10 LET X = (7 + 8) / 3 20 PRINT X 30 END To help celebrate this, I’ve made … Continue reading
So the 2nd (annual?) Jamboree was held in Manchester thanks to Alan O’Donohoe and whole host of others who helped him arrange it and it went fantastically well! This year it was spread over 2 days with some talks, etc … Continue reading
So the past two weeks has seen me attending Techcamp 2013 held at at Sparsholt college just outside Winchester. I was the lead tutor for their Raspberry Pi course. And now, a few days later I’ve finally had enough sleep … Continue reading