Lab Notes

Experiments with computing, electronics, and maker crafts.

Adding a feature to the MEGA65

June 17, 2022

On every Commodore computer that has a Home key, I routinely hit Home when I mean to hit the Del key. The only way to move the cursor back to where I need it is with the arrow keys. With the MEGA65, I finally have the opportunity to do something about this, once and for all.

Welcome to the MEGA65

June 12, 2022

The MEGA65 is a new personal computer based on the Commodore 65, the unreleased 1991 sequel to the inimitable Commodore 64 and 128 home computers of the 1980’s. I’m so excited about mine, I wrote the MEGA65 Welcome Guide, a supplementary booklet for new owners.

Electronic Bulletin Boards by Carolyn E. Cooper, a book report

January 10, 2022

Electronic Bulletin Boards by Carolyn E. Cooper, a book report by Dan Sanderson, age 12. Six handwritten pages, in cursive, with a cover page and five printed pages of figures from a Boise BBS. I got an A+.

What if the Bee had an S?

December 12, 2021

What would it be like if the #nytspellingbee had an S in it?

@thegridkid is on record as saying an S-Bee would be “too easy,” a nice way of saying it’s difficult to balance difficulty, size, and funness. I wanted a sense of this design space, so I did some computer’ing.

PICO-8 on the RG 351M handheld game console

November 18, 2021

Wow, #pico8 on the RG 351M handheld game console is fantastic! This one from Anbernic is metal, heavy, with solid controls. $139 USD is pricey but worth it.

Angle math demo in PICO-8

November 1, 2021

We were discussing angles and coordinates in the #pico8 Discord and I whipped up this quick demo while we were chatting. It’s a neat demo, and super-neat how easy it was to put it together! The value of a tight feedback loop cannot be understated.…

PICO-8 fillp shortcuts

October 21, 2021

DID YOU KNOW: 20 of the #pico8 typeable symbols are predefined fillp() patterns! Pass each one as the argument—without quotes—to get a fill pattern that looks a bit like the symbol.

Clockwork DevTerm and PICO-8

September 6, 2021

I wrote up my Clockwork #DevTerm adventures as a review and #pico8 tutorial on the PICO-8 BBS. Enjoy!

hey everyone I figured out what #pico8’s “export .lua.png” does!

September 4, 2021

hey everyone I figured out what #pico8’s “export .lua.png” does! 🤓 #devterm

/cc @Hal_clockwork @lexaloffle