8-Bit Show And Tell | Even More Commodore 64 BASIC Optimizations @8_Bit | Uploaded April 2019 | Updated October 2024, 6 hours ago.
There were so many comments and ideas on my last video about optimizing C64 BASIC by guitar tuner that I had to make a follow-up video to address the best of these, and make the little program even faster - and higher pitched!

Index
0:00 Intro
0:44 Recap of previous optimizations
1:42 Alternative apps for Android
2:18 GOTO with no parameter!
3:12 Blank the screen
4:15 Quick lesson about ANDing bits
6:13 Disable interrupts
7:48 Unrolling loops
10:58 More unrolling!
12:40 Using Pi - whoops, I forgot to get rid of A=15 in line 10
15:14 FOR/NEXT loops as an alternative

Links:
The first video: “Benchmark By Guitar Tuner? More Commodore 64 BASIC Optimization Tricks”: youtu.be/21aIGHafj1w

Davide Fichera, maker of 10 Line BASIC Games: twitter.com/Naufr4g0

Spectroid (Android): play.google.com/store/apps/details?id=org.intoorbit.spectrum

Fine Tuner App (iOS): finetunerapp.com

Follow me on Twitter: twitter.com/BedfordLvlExp
Check out my podcast Growing Up '80s: https://thecouch.website/category/gu80s/