Similar in purpose to the CDL files in FCEUXD, these maps contain usage information about what bytes in ROM and RAM are executed or read as data.
- Open Usage . open a usage map, wiping out current usage log
- Merge Usage . open a usage map, combining with current usage log
- Save Usage . save usage log to file
- Gen Offsets . generate a readable offsets file from the current usage log (tab-delimited text format)