;
;	File:		EDiskEqu.a
;
;	Contains:	xxx put contents here xxx
;
;	Written by:	xxx put writers here xxx
;
;	Copyright:	© 1991 by Apple Computer, Inc., all rights reserved.
;
;   This file is used in these builds: ROM System
;
;	Change History (most recent first):
;
;		 <5>	 8/14/91	JL		changed lower case equ to EQU to match database output.
;		 <4>	 1/30/91	gbm		sab, #38: Change the ‘already including this file’ variable to
;									all uppercase (for security reasons)
;
;	To Do:
;

; Version: 2.93
; Created: Friday, October 20, 1989 at 9:15:51 PM
; File: EDiskEqu.a
;
; Assembler Interface to the Macintosh Libraries
; Copyright Apple Computer, Inc. 1988
; All Rights Reserved
;
;--------------------------------------------------------------------

	IF &TYPE('__INCLUDINGEDISKEQU__') = 'UNDEFINED' THEN
__INCLUDINGEDISKEQU__	SET	1

; EDisk header block

EDiskHeader   	record  	0,increment   			; layout of the slim signature block
HdrScratch		ds.b		128       				; scratch space for r/w testing and vendor info
HdrBlockSize  	ds.w		1     					; size of header block (512 bytes for version 1)
HdrVersion		ds.w		1     					; header version number (this is version 1)
HdrSignature  	ds.b		12    					; 'EDisk Gary D'
HdrDeviceSize 	ds.l		1     					; size of device, in bytes
HdrFormatTime 	ds.l		1     					; time when last formatted (pseudo unique ID)
HdrFormatTicks	ds.l		1     					; ticks when last formatted (pseudo unique ID)
HdrCheckSumOff	ds.l		1     					; offset to CheckSum table if present
HdrDataStartOff   ds.l		1     					; offset to first byte of data storage
HdrDataEndOff 	ds.l		1     					; offset to last byte+1 of data storage
HdrMediaIconOff   ds.l		1     					; offset to media Icon and Mask if present
HdrDriveIconOff   ds.l		1     					; offset to drive Icon and Mask if present
HdrWhereStrOff	ds.l		1     					; offset to GetInfo Where: string if present
HdrDriveInfo  	ds.l		1     					; longword for Return Drive Info call if present
  				ds.b		512-*     				; rest of block is reserved
EDiskHeaderSize   EQU 		*     					; size of EDisk header block
  				endr


;	Internal ROM disks are aligned on 64KB boundarys starting in the system ROM
;	and running up to the beginning of I/O space

RomDiskAlign  	EQU 		$00010000     			; aligned on 64K byte boundarys


	ENDIF	; ...already included