This is a tool to play with the SID registers. Help file is embedded in the code when you press "?"
SID TOOL HELP MENU
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ARROW KEYS: MOVE FROM FIELD TO FIELD
+/-: ADD/SUB 1 FROM FIELD
SHIFT +/-: ADD/SUB 10 FROM FIELD
CMD +/-: ADD/SUB 100 FROM FIELD
F1/F3/F5: TOGGLE VOICE 1/2/3 ON/OFF
T: TOGGLE WAVEFORM TO TRIANGLE
S: TOGGLE WAVEFORM TO SAWTOOTH
P: TOGGLE WAVEFORM TO PULSE
N: TOGGLE WAVEFORM TO NOISE
Y: TOGGLE SYNC
R: TOGGLE RINGMOD
H/L/B: TOGGLE HIGH/LOW/BAND FILTER
F2/F4/F6: TOGGLE FILTER VOICE 1/2/3
M: MUTE VOICE 3
V: SAVE SETTINGS
G: LOAD SETTINGS
1-9: GET REGISTER SET
SHIFT 1-9: SAVE REGISTER SET
?: HELP
Q: QUIT