Submitted by
S.Elliott on August 29, 2024 - 1:25pm
This blogpost is a quick data dump of raw Disk II data, captured synchronously at intervals of exactly 8 CPU cycles.
Picture 1: Synchronous capture of 10-bit sync nibbles and 8-bit address-mark nibbles
Submitted by
S.Elliott on March 28, 2024 - 4:42pm
Synopsis: an information-capture for work-in-progress
The Apple cassette save routines use the Y register to determine the pulse-width between signal edges, and there are seven distinct values for the Y parameter depending upon the context and state of the save routine. For the purposes of studying the cassette routines, I named each parameter for its default value and tested their limits:
Submitted by
S.Elliott on November 20, 2023 - 11:58am
For preservation:
A full performance is recorded here, and on YouTube.
Artifacts hidden inside the MIDI data reveal hidden arrangements and sound effects that were not reproduced during game play -- including percussion and sound fx that were probably reproducible only on the original composer's equipment.