;
;==================================================================================================
;   IDE DISK DRIVER - DATA
;==================================================================================================
;
IDE_SLICETRKS	.EQU	65			; TRACKS PER SLICE
IDE_TRKSIZE	.EQU	128			; SIZE OF TRACK (IN KB)
IDE_SLICESIZE	.EQU	((IDE_SLICETRKS * IDE_TRKSIZE) + 1023) / 1024 ; SIZE OF EACH SLICE (IN MB)
IDE_NUMSLICES	.EQU	IDECAPACITY / IDE_SLICESIZE ; TOTAL SLICES IN DEVICE
IDE0_SLICEDEF	.EQU	0			; DEFAULT SLICE FOR LOGICAL UNIT 0
IDE1_SLICEDEF	.EQU	1			; DEFAULT SLICE FOR LOGICAL UNIT 1
IDE2_SLICEDEF	.EQU	2			; DEFAULT SLICE FOR LOGICAL UNIT 2
IDE3_SLICEDEF	.EQU	3			; DEFAULT SLICE FOR LOGICAL UNIT 3
;
		.DB	DIODEV_IDE + 0
IDEDPH0 	.DW 	0000,0000
		.DW 	0000,0000
		.DW 	DIRBF,DPB_HD
		.DW 	IDECSV0,IDEALV0
		.DB	"LU"			; LOGICAL UNIT ENHANCEMENT SIGNATURE
IDE0_SLICE	.DW	IDE0_SLICEDEF		; CURRENTLY ACTIVE SLICE
		.DW	IDE_NUMSLICES		; NUMBER OF SLICES AVAILABLE
;
		.DB	DIODEV_IDE + 0
IDEDPH1 	.DW 	0000,0000
		.DW 	0000,0000
		.DW 	DIRBF,DPB_HD
		.DW 	IDECSV1,IDEALV1
		.DB	"LU"			; LOGICAL UNIT ENHANCEMENT SIGNATURE
IDE1_SLICE	.DW	IDE1_SLICEDEF		; CURRENTLY ACTIVE SLICE
		.DW	IDE_NUMSLICES		; NUMBER OF SLICES AVAILABLE
;
		.DB	DIODEV_IDE + 0
IDEDPH2 	.DW 	0000,0000
		.DW 	0000,0000
		.DW 	DIRBF,DPB_HD
		.DW 	IDECSV2,IDEALV2
		.DB	"LU"			; LOGICAL UNIT ENHANCEMENT SIGNATURE
IDE2_SLICE	.DW	IDE2_SLICEDEF		; CURRENTLY ACTIVE SLICE
		.DW	IDE_NUMSLICES		; NUMBER OF SLICES AVAILABLE
;
		.DB	DIODEV_IDE + 0
IDEDPH3 	.DW 	0000,0000
		.DW 	0000,0000
		.DW 	DIRBF,DPB_HD
		.DW 	IDECSV3,IDEALV3
		.DB	"LU"			; LOGICAL UNIT ENHANCEMENT SIGNATURE
IDE3_SLICE	.DW	IDE3_SLICEDEF		; CURRENTLY ACTIVE SLICE
		.DW	IDE_NUMSLICES		; NUMBER OF SLICES AVAILABLE
;
IDECKS		.EQU	0			; CKS: 0 FOR NON-REMOVABLE MEDIA
IDEALS		.EQU	256			; ALS: BLKS / 8 = 2048 / 8 = 256 (ROUNDED UP)
;
IDECSV0:	.FILL	IDECKS			; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
IDEALV0:	.FILL	IDEALS			; MAX OF 2048 DATA BLOCKS
IDECSV1:	.FILL	IDECKS			; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
IDEALV1:	.FILL	IDEALS			; MAX OF 2048 DATA BLOCKS
IDECSV2:	.FILL	IDECKS			; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
IDEALV2:	.FILL	IDEALS			; MAX OF 2048 DATA BLOCKS
IDECSV3:	.FILL	IDECKS			; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
IDEALV3:	.FILL	IDEALS			; MAX OF 2048 DATA BLOCKS