INT 1A - SNAP.EXE 3.2+ - "SNAP_FREE" - DEALLOCATE BUFFER IN SNAP DATA SEGMENT
AX = 6B01h
STACK:  WORD    offset within SNAP data segment of previously allocated
buffer
Return: STACK unchanged
Note:   this call is a NOP if the specified offset is 0000h

See also: 1A6A01

1A6B01 - SNAP.EXE 3.2+ - "SNAP_FREE" - DEALLOCATE BUFFER IN SNAP DATA SEGMENT