I'm very rusty when it comes to programming my ZX81, but isn't this something to do with the use of PI requiring less bytes to be read?
I seem to remember using various incantations of PI (eg, PI-PI instead of 0) for space saving on a 1K ZX81 many years ago.
Search found 93 matches
- Mon May 15, 2023 2:55 am
- Forum: ZX BASIC
- Topic: FOR SETEP is faster calculating parameters than using variables
- Replies: 3
- Views: 4746
- Mon May 15, 2023 1:15 am
- Forum: Welcome Area
- Topic: Hello from Cambridgeshire, UK
- Replies: 8
- Views: 1339
Hello from Cambridgeshire, UK
Hi, My first foray in to home computing was borrowing a friend's heavily modified ZX80 in early 1981. It was in a large homemade wooden case with a custom full-size keyboard and integrated PSU. I was instantly hooked. I think it must have been some time in late 1981 when I'd managed to save up enoug...
- Sun May 14, 2023 7:27 pm
- Forum: Development
- Topic: ZX80/ZX81 tape load "optimizations"
- Replies: 13
- Views: 6608
Re: ZX80/ZX81 tape load "optimizations"
Slightly on a tangent and apologies if this is old news to some, but if others are also struggling with getting enough volume from their OTLA output files to load successfully, here's what I've been doing with a why and how... Those who've dived inside their ZX81 will have probably noticed that the ...