Posts
My First Z80 Program
I wrote a Z80 assembly program
for my RC2014 Zed computer.
I wanted to get a complete CP/M experience,
so I used the CP/M 2.2 ASM
assembler, LOAD
relocator,
and the DDT
debugger.
I did cheat a little. Although I used the vintage RED editor for some text input, I also wrote some on my Linux laptop, and transferred to the RC2014 Zed via XMODEM.
Wordle, Sept 1, 2022
I’m a little happier with my wordle-solving regular expression today.
Wordle August 28, 2022
I heartily endorse Wordle as a word game.
I didn’t do great on Sunday, August 28 2022 Wordle:
Iceberg
This is something:
A Golang Enabled Pattern
The Go programming language has a unique, built-in concurrency model that can make some processing much easier.
Have one goroutine do some (probably recursive) work. It puts results on a channel. The main goroutine reads results from the channel and possibly does some filtering on those results, like output unique values.
Binary Tree Package Design
RC2014 Z80 CPU Computer
I built a Z80-based RC2014 Zed computer from a kit.
Hypocercal Tails
Looks like three groups of marine diapsids, ichthyosaurs, mosasaurs, and thalattosuchians, all evolved “hypocercal” tail fins.