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N-SPC Engine/Nintendo/Sound Module and Burn-In Test
From SnesLab
Go back to N-SPC Engine/Nintendo
Sound Module and Burn-In Test refers to a unique N-SPC/Kankichi-kun build created for testing the SPC700 hardware used in at least two different test cartridges.
| Game Name | VCMD Table Location ($E0 and up) | ROM Offset |
|---|---|---|
| Aging Cassette/Sound Module and Burn-In Test | 0x0EE9, relative to 0x0E29 | 0x0380BA (Aging Cassette) 0x038792 (SNES Burn-In Test Cartridge) |
Voice Command Format
| VCMD ID | Description | Arguments |
|---|---|---|
| $00 | Phrase Termination/End of Subroutine | |
| $01-$7F | Note Duration | (xy) |
| $80-$C7 | Note | |
| $C8 | Tie | |
| $C9 | Rest | |
| $CA-$DD | Percussion | |
| $DE | Instrument | xx |
| $DF | Panning | %xyzzzzz |
| $E0 | Panning Fade | xx yy |
| $E1 | Vibrato On | xx yy zz |
| $E2 | Vibrato Off | |
| $E3 | Song Volume | xx |
| $E4 | Song Volume Fade | xx yy zz |
| $E5 | Tempo | xx |
| $E6 | Tempo Fade | xx yy |
| $E7 | Global Absolute Transposition | xx |
| $E8 | Single Channel Absolute Transposition | xx |
| $E9 | Tremolo On | xx yy zz |
| $EA | Tremolo Off | |
| $EB | Volume | xx |
| $EC | Volume Fade | xx yy |
| $ED | Subroutine | xx xx yy |
| $EE | Vibrato Fade In | xx |
| $EF | Note Pitch Envelope To | xx yy zz |
| $F0 | Note Pitch Envelope From | xx yy zz |
| $F1 | Note Pitch Envelope Off | |
| $F2 | Fine Tune | xx |
| $F3 | Echo On Bits and Volume | %xxxxxxxx yy zz |
| $F4 | Echo Off | |
| $F5 | Echo Parameter Setup | xx yy zz |
| $F6 | Echo Volume Fade | xx yy zz |
| $F7 | Pitch Slide to Note | xx yy zz |
| $F8 | Percussion Patch Base Redefine | xx |
| $F9 | NOP | ?? |
| $FA | Channel Mute | |
| $FB | Fast Forward On | |
| $FC | Fast Forward Off | |
| $FD | Master Volume Fade | xx yy |
| $FE | Mute Right Master Volume | xx |
| $FF | Noise Clock | %???xxxxx |
TODO use template for the above table for standard VCMDs
TODO VCMD documentation via templating
TODO new music VCMDs (the standard set is offset backwards by two IDs, and three new VCMDs are added on)
Communication with the SNES
All of the commands used are identical to the source N-SPC/Kankichi set with a set of new commands
| Command ID | Description | Register Values & Arguments |
|---|---|---|
| $00 | Stop Music | $00 ?? ?? ?? |
| $01-?? | Play Music | xx ?? ?? ?? |
| $80 | Run All Tests | $80 ?? ?? ?? |
| $90 | Memory Write Test | $90 ?? ?? ?? |
| $91 | TODO identify test | $91 ?? ?? ?? |
| $92 | TODO identify test | $92 ?? ?? ?? |
| $93 | TODO identify test | $93 ?? ?? ?? |
| $F0 | Pause Music | $F0 ?? ?? ?? |
| $F1 | Continue Music | $F1 ?? ?? ?? |
| $FF | Load New Data | $FF ?? xx xx |
TODO new commands