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