ata.inc

This is the famous CD-ROM interfacing using 8051. It also contains schematic.

;****************************************************************
;* MUSIC CD PLAYER - MuCoP					
;* BY KEITH WILSON					
;* VERSION 1						
;****************************************************************


;ATA registers
ATA_REG_DATA			equ	0x00
ATA_REG_ERROR			equ	0x01
ATA_REG_FEATURES		equ	0x01
ATA_REG_SECTORCOUNT	equ	0x02
ATA_REG_SECTORNUMBER	equ	0x03
ATA_REG_CYLINDERLOW	equ	0x04
ATA_REG_CYLINDERHIGH	equ	0x05
ATA_REG_DRIVEHEAD		equ	0x06
ATA_REG_STATUS		equ	0x07
ATA_REG_COMMAND		equ	0x07

;ATA commands
ATA_COMMAND_IDENTIFY_DRIVE		equ	0xa1
ATA_COMMAND_PACKET			equ	0xa0