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N-SPC Engine/Imagitec Design: Difference between revisions

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(New N-SPC variant to document.)
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Revision as of 21:27, 23 November 2020

Go back to N-SPC Engine

Imagitec Design is a company that used the N-SPC engine for most of its games. Most of these games don't actually support music and sound effects played together: only the earliest version does.

Game Name Version VCMD Table Location ($E0 and up) ROM Offset
Top Gear/Top Racer 1.0 0x0B89, relative to 0x0AC9 0x0DE000 (all versions)
American Gladiators 2.0 0x0B87, relative to 0x0AC7 0x1E8000
The Humans 2.0 0x0B87, relative to 0x0AC7 0x048000/0x058000/0x12C0FE (RNC compressed)
Wheel of Fortune (Title Screen)
Wheel of Fortune - Deluxe Edition (Title Screen)
3.0a 0x0BAF, relative to 0x0AEF 0x0FB59C (all versions)
Wheel of Fortune (In-Game)
Wheel of Fortune - Deluxe Edition (In-Game)
3.0b 0x0775, relative to 0x06B5 0x0C8000/0x0DD7D3 (all versions)

The only modification made to the VCMD formats are to remove the fast forward and channel mute VCMDs and fast forward phrase commands, and to allow the end phrase (and/or a second note duration/quantization/velocity combo) to execute rather than playing an invalid note.

Communication with the SNES

Commands (V1.0)

This is the only version to support playing sound effects in tandem with the music.
TODO document this

Commands (V2.0)

TODO document this

Commands (V3.0a)

TODO document this

Commands (V3.0b)

TODO document this