INT 15 - CASSETTE - READ DATA (PCIBM PC and PCjr only) AH = 02h CX = number of bytes to read ES:BX -> buffer Return: CF clear if successful DX = number of bytes read ES:BX -> byte following last byte read CF set on error AH = status (see #00409) SeeAlso: AH=00h"CASSETTE",AH=03h"CASSETTE",MEM 0040h:0069h,MEM 0040h:006Bh"PCIBM PC" (Table 00409) Values for Cassette status: 00h successful 01h CRC error 02h bad tape signals 04h no data 80h invalid command 86h no cassette present