Int 48/AH=06h

AH = 06h
ES:BX -> memory block for which to calculate CRC
BP = size of block in bytes

Return:
DX = CRC for block
ZF set if DX = 0000h

Note: If the CRC of a memory block is appended to the block, then the CRC of the block plus CRC should equal 0000h

See Also: AH=00h - AH=01h - AH=02h - AH=03h - Category: Vendor-specific BIOS Extensions - Int 48h - T