MATRIXSYNTH: Altair Sequencer Project - How I did it - Episode 1


Friday, February 20, 2015

Altair Sequencer Project - How I did it - Episode 1


How I did it - Episode 1 from Giorgio Sancristoforo on Vimeo.

"The day has finally come! The first episode is here!

In this video I will demonstrate how to turn the Altair 8800 into a digital sequencer (it could do MIDI out with a few more code inside Max). The Altair communicates with my Mac with a Serial to USB adapter. All the Altair code was written under CP/M 2.2 using Word Master word processor, ASM Assembler and Load program.

The code basically outputs 8 notes and a rhythm pattern. All the notes are in MIDI note number values (see for example line 0113h. The rhythm pattern is a 1byte binary number that works as a gate for the steps of the sequence.

In the next episode I will develop the concept further and get some polyphony.
As soon as the max patch will satisfies me, I will publish here the patch and the code to make music with your Altair, clones and originals.

Any question, comments and critics may be addressed to me by sending a mail (see contacts page on my website) or commenting the vimeo video here:) .
Thanks for watching and see you on the next episode!

EOF

Further infos and code: http://www.giorgiosancristoforo.net"

No comments:

Post a Comment

To reduce spam, comments for posts older than one week are not displayed until approved, usually same day. Do not insult people. For items for sale, do not ask if it is still available. Check the auction link and search for the item. Auctions are from various sellers and expire over time. Posts remain for the pics and historical purposes. This site is meant to be a daily snapshot of some of what was out there in the world of synths.

PREVIOUS PAGE NEXT PAGE HOME


Patch n Tweak
Switched On Make Synthesizer Evolution Vintage Synthesizers Creating Sound Fundlementals of Synthesizer Programming Kraftwerk

© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH