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- Synths may use different algorithms to calculate check sums. Use this
- cycle gadget to indicate the check sum algorithm used by your synth.
-
- 2'S COMP: Sum all bytes. Strip high bit. Take 2's complement.
- NONE: This sysex file does not contain a check sum.
- SUM BYTES: Summ all bytes. Strip high bit.
- NIBBLE 1: File format is `NIBBLE LO/HI' or `NIBBLE HI/LO' and
- checksum is stored in one (1) byte.
- NIBBLE 2: File format is `NIBBLE LO/HI' or `NIBBLE HI/LO' and
- checksum is stored in two (2) bytes.
- KAWAI K1: Sum all bytes. Add A5H. Strip high bit.
-