Online HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens
INT 15,2 - Read Blocks from Cassette (PC,PCjr only)
AH = 02
CX = count of bytes to read
ES:BX = pointer to data buffer
on return:
AH = error code if CF=1
= 1 if CRC error
= 2 data transition lost, (bit signal scrambled)
= 3 no data found on tape
DX = count of bytes actually read
ES:BX = pointer to byte following last byte read
- data is transferred in 256 byte blocks, though only the
number of bytes requested are actually stored
[helppc.bosbyte.nl] int 15,2