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document some of the commands

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tildearrow 2025-04-05 05:02:31 -05:00
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papers/export-tech.md
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@ -95,5 +95,119 @@ hex | description
## full commands ## full commands
``` ```
hex | description
----|------------------------------------
1c | sample mode
1d | sample freq
1e | legacy sample bank
1f | sample position
20 | sample direction
----|------------------------------------
| **FM commands**
21 | hard reset
22 | LFO speed
23 | LFO waveform
24 | TL
25 | AM
26 | AR
27 | DR
28 | SL
29 | D2R
2a | RR
2b | DT
2c | DT2
2d | RS
2e | KSR
2f | VIB
30 | SUS
31 | WS
32 | SSG-EG
33 | REV
34 | EG-Shift
35 | FB
36 | MULT
37 | FINE
38 | fixed frequency
39 | ExtCh
3a | AM depth
3b | PM depth
3c | LFO2 speed
3d | LFO2 wave
----|------------------------------------
| **PSG commands**
3e | noise freq
3f | noise mode/duty/whatever
40 | waveform
----|------------------------------------
| **Game Boy commands**
41 | sweep time
42 | sweep direction
----|------------------------------------
| **PC Engine commands**
43 | LFO mode
44 | LFO speed
----|------------------------------------
| **NES commands**
45 | sweep
46 | set DMC
----|------------------------------------
| **C64 commands**
47 | coarse cutoff
48 | resonance
49 | filter mode
4a | reset time
4b | reset mask
4c | filter reset
4d | duty reset
4e | extended
4f | duty
50 | cutoff
----|------------------------------------
| **AY commands**
51 | set envelope
52 | envelope freq low
53 | envelope freq high
54 | envelope slide
55 | noise AND mask
56 | noise OR mask
57 | auto envelope
58 | I/O port write
59 | AutoPWM
----|------------------------------------
| **FDS commands**
5a | mod depth
5b | mod speed high
5c | mod speed low
5d | mod position
5e | mod waveform
----|------------------------------------
| **SAA1099 commands**
5f | envelope
----|------------------------------------
| **Amiga commands**
60 | toggle filter
61 | AM
62 | period modulation
----|------------------------------------
| **Lynx commands**
63 | load LFSR
----|------------------------------------
| **QSound commands**
64 | echo feedback
65 | echo delay
66 | echo level
67 | surround
----|------------------------------------
| **X1-010 commands**
68 | envelope shape
69 | envelope enable
6a | envelope mode
6b | envelope period
6c | envelope slide
6d | auto envelope
6e | sample bank slot
----|------------------------------------
| **WonderSwan commands**
6f | sweep time
70 | sweep amount
``` ```