Apple-2-SW/ksynth
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descriptions of files on the DSK
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Charles Mangin 2016-12-14 11:57:06 -05:00
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README.md
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@ -3,6 +3,23 @@ Beginnings of a dual tone synthesizer for the Apple II
All the code is in this README, since it's small enough to copy and paste into an emulator for now. All the code is in this README, since it's small enough to copy and paste into an emulator for now.
The included DSK file contains the following files:
*KSYNTH*: The core sound generation routine
*KSYNTH.PLAYER*: Basic player routine. Assumes SONG bytes starting at $1000
*BFLATSCALE.SONG*: B-Flat scale
*VICTORY.SONG*: "Victory" tune from Karateka
*DAISYBELL.SONG*: "Bicylce Built for Two" AKA "Daisy Bell"
*KSYNTH.MIDI*: MIDI-style KSYNTH player routine. Looks up notes from MIDI.LOOKUP instead of raw cycle counts.
*MIDI.LOOKUP*: Lookup table of notes to cycle counts for MIDI style player.
*RANDOMNOTES*: A routine to play random tones with the KSYNTH routine.
*MIDI.LOOKUP2*: Alternate MIDI lookup table that covers larger range of tones
*TWOTONE.PLAYER*: Slightly better MIDI-style player routine. Start here.
To do: Add MIDI example songs.
The synth code itself The synth code itself
##Two Tone Generator## ##Two Tone Generator##
@ -190,4 +207,4 @@ _assumes lookup table src at $1100_
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 United States License. [http://creativecommons.org/licenses/by-sa/3.0/us/] This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 United States License. [http://creativecommons.org/licenses/by-sa/3.0/us/]*