furnace/papers/export-tech.md

ROM export technical details

instrument data

TODO

macro data

read length, loop and then release (1 byte). if it is a 2-byte macro, read a dummy byte.

then read data.

pattern data

read sequentially.

first byte determines what to read next:

NVI..EEE

N: note
V: volume
I: instrument

EEE: effect count (0-7)

if you read 0, end of pattern. otherwise read in following order:

1. note
2. volume
3. instrument
4. effect and effect value

then read number of rows until next value, minus 1.