LAB_0886 @ $113EC
HSQ
On-floppy packer. After unpack you get a different format (bank, map, FLT4…). Rip keeps .hsq name even when raw.
| Check | Detail |
|---|---|
| Catalog | packed ≠ unpacked → status hsq |
| Checksum | sum(bytes[0..5]) & FF == 0xAB |
| Counter-example | packed == unpacked → raw payload |
| Bytes | Field | Formula |
|---|---|---|
| 0,1,2 | unpacked | (b2>>4)<<16 | b1<<8 | b0 |
| 2,3,4 | packed | (b2&F)<<16 | b4<<8 | b3 |
Byte 2 splits high→unpacked, low→packed.
Bitstream: 1 literal; 0,0 short match; 0,1 long/end. Shared with LAB_0885.