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82 lines
1.7 KiB
Markdown
82 lines
1.7 KiB
Markdown
# ROM export technical details
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## instrument data
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TODO
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## macro data
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read length, loop and then release (1 byte).
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if it is a 2-byte macro, read a dummy byte.
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then read data.
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## binary command stream
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Furnace Command Stream, split version.
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```
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size | description
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-----|------------------------------------
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4 | "FCS\0" format magic
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4 | channel count
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4?? | pointers to channel data
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1?? | preset delays
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| - 16 values
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1?? | speed dial commands
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| - 16 values
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??? | channel data
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```
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read command and values (if any).
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the list of commands follows.
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```
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hex | description
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----|------------------------------------
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00 | note on: C-(-5)
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01 | note on: C#(-5)
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02 | note on: D-(-5)
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.. | ...
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b1 | note on: A-9
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b2 | note on: A#9
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b3 | note on: B-9
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b4 | note on: null
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----|------------------------------------
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b5 | note off
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b6 | note off env
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b7 | env release
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b8 | instrument // (ins, force)
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be | panning // (left, right)
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c0 | pre porta // (inporta, isportaorslide)
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c2 | vibrato // (speed, depth)
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c3 | vibrato range // (range)
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c4 | vibrato shape // (shape)
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c5 | pitch // (pitch)
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c6 | arpeggio // (note1, note2)
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c7 | volume // (vol)
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c8 | vol slide // (amount, onetick)
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c9 | porta // (target, speed)
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ca | legato // (note)
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----|------------------------------------
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d0 | speed dial command 0
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d1 | speed dial command 1
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.. | ...
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df | speed dial command 15
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----|------------------------------------
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e0 | preset delay 0
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e1 | preset delay 1
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.. | ...
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ef | preset delay 15
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----|------------------------------------
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f7 | full command (command and data follows)
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f8 | go to sub-block (offset follows)
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f9 | return from sub-block
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fa | jump (offset follows)
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fb | set tick rate (4 bytes)
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fc | wait (16-bit)
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fd | wait (8-bit)
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fe | wait one tick
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ff | stop
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```
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