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@Pinacolada64
Pinacolada64 / rs232-swift.asm
Created March 10, 2020 08:16
C64 RS232 driver using a SwiftLink cartridge (a real ACIA, not emulated)
; https://www.lemon64.com/forum/viewtopic.php?t=73957
; https://www.c64-wiki.com/wiki/Interrupt
; been trying to follow application notes for the SwiftLink
; terminal code @ $c0b7 (waiting for Shift+C=)
; &,49 getmod $b915
; &,4 getmdm $aab3
; There are a few problems/things I want to improve with with this version of the SwiftLink driver:

DX7

image

These are the original 32 algorithms as used in Yamaha DX7.

The later Yamaha FS1R and Yamaha SY77 may have compatibility with these algorithms, but that's beyond the current scope. The FS1R contains 88 algorithms, while the SY77 contains 45 algorithms.

DX9

image

@bryc
bryc / YamahaFM.md
Last active January 14, 2026 03:52
Collecting info on Yamaha FM soundchips