Search found 2 matches
- Thu Feb 08, 2018 5:05 pm
- Forum: Programming
- Topic: Help with Timer Interrupt
- Replies: 2
- Views: 2700
Re: Help with Timer Interrupt
Arghh! looked at this so many times before realising I'd updated the wrong number when changing from VIA 1 to 2. I had changed the second digit to 2 rather than the 3rd. Ie, changed $9118 to $9218 instead of $9128. Hours wasted trying to understand why it wasn't working. I blame my old eyes!
- Thu Feb 08, 2018 2:41 pm
- Forum: Programming
- Topic: Help with Timer Interrupt
- Replies: 2
- Views: 2700
Help with Timer Interrupt
Hi I'm new to the forums and the VIC-20 was my second computer (first was ZX81). I never got beyond BASIC programming, all my M/C was on later machines, so after 36 years I thought I'd try some M/C on the VIC. I am having some trouble getting interrupts working properly though, I have written the fo...