	;************************************************
	;* filename:					*
	;*	DISKDEF.LIB v.1.800 (03.01.88)		*
	;************************************************
	;*	disk - definition - library		*
	;*	--- for banked CP/M PLUS ---		*
	;************************************************
	;* Copyright (c) 84, 85, 86, 87 by		*
	;*	Michels und Kleberhoff Computer GmbH	*
	;*	Janich & Klass Computertechnik GmbH	*
	;************************************************
	;*	written:	07.04.84	l.k.	*
	;*	modified:	22.05.84	l.k.	*	
	;*	modified:	22.08.84	d.j.	*
	;*	modified:	27.03.85	d.j.	*
	;*	modified:	18.06.85	l.k.	*
	;*	modified:	27.06.85	l.k.	*
	;*	modified:	03.03.86	d.j.	*
	;*	modified:	28.10.86	d.j.	*
	;*	NEC1155C	03.02.87	p.b.	*
	;*	modified:	27.05.87	d.j.	*
	;*	teac55gf:	20.07.87	d.j.	*
	;*	tea135hf	03.01.88	hws	*
	;************************************************

TEAC55A		macro
size		set	5		;; 5,25" drive
sides		set	1		;; single sided
tracks		set	40		;; 40 track / 48 tpi
step		set	6		;; 6 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
	      	endm

TEAC55B		macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	40		;; 40 track / 48 tpi
step		set	6		;; 6 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
		endm

TEAC55E		macro
size		set	5		;; 5,25" drive
sides		set	1		;; single sided
tracks		set	80		;; 80 track / 96 tpi
step		set	3		;; 3 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
		endm

TEAC55F		macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	3		;; 3 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
		endm

TEAC55GF	macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	3		;; 3 ms step-time
hdload		set	50		;; 50 ms headload-time
higden		set	true		;; high density possible
drive		set	true
		endm

TEAC35FN	macro
		teac55f			;; TEAC 55F compatible
		endm

TEA135FN	macro
		teac55f			;; TEAC 55F compatible
		endm

TEA135HF	MACRO
		teac55gf		;; hier komp. zu 55GFV
		ENDM

NEC1055		macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	3		;; 3 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
		endm

NEC1155		macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	3		;; 3 ms step-time
hdload		set	50		;; 50 ms headload-time
higden		set	true		;; high density possible
drive		set	true
		endm

NEC1035		macro
size		set	5		;; 3,5" = 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	3		;; 3 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
		endm

BASF6106	macro
size		set	5		;; 5,25" drive
sides		set	1		;; single sided
tracks		set	40		;; 40 track / 48 tpi
step		set	12		;; 12 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
	      	endm

BASF6108	macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	40		;; 40 track / 48 tpi
step		set	12		;; 12 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
	      	endm

BASF6118	macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	6		;; 6 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
		endm

SA460		macro
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	6		;; 6 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
		endm

MINI40		macro	;; slow 48 tpi (40 track) DD DS 5,25" drive
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	40		;; 40 track / 48 tpi
step		set	30		;; 30 ms step-time
hdload		set	100		;; 100 ms headload-time
drive		set	true
		endm

MINI80		macro	;; slow 96 tpi (80 track) DD DS 5,25" drive
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	80		;; 80 track / 96 tpi
step		set	30		;; 30 ms step-time
hdload		set	100		;; 100 ms headload-time
drive		set	true
		endm

TEAC		macro	;; TEAC 55B or 55F drive
size		set	5		;; 5,25" drive
sides		set	2		;; hope double sided
tracks		set	0		;; don't know tracks
step		set	6		;; 6 ms step-time
hdload		set	50		;; 50 ms headload-time
drive		set	true
	      	endm

MINI		macro	;; slow 40 or 8 track DD DS 5,25" drive
size		set	5		;; 5,25" drive
sides		set	2		;; double sided
tracks		set	0		;; 40 or 80 track 
step		set	30		;; 30 ms step-time
hdload		set	100		;; 100 ms headload-time
drive		set	true
		endm

NEC1165		macro
size		set	8		;; 8" drive
sides		set	2		;; double sided
tracks		set	77		;; 77 tracks / 48 tpi
step		set	3		;; 3 ms step time
hdload		set	60		;; 60 ms headload-time
drive		set	true
		endm

BASF6102	macro
size		set	8		;; 8" drive
sides		set	1		;; single sided
tracks		set	77		;; 77 tracks / 48 tpi
step		set	6		;; 6 ms step time
hdload		set	54		;; 54 ms headload-time
drive		set	true
		endm

YD180		macro
size		set	8		;; 8" drive
sides		set	2		;; double sided
tracks		set	77		;; 77 tracks / 48 tpi
step		set	3		;; 3 ms step time
hdload		set	60		;; 60 ms headload-time
drive		set	true
		endm

MAXISS		macro	;; slow single sided 8" drive
size		set	8		;; 8" drive
sides		set	1		;; single sided
tracks		set	77		;; 77 tracks / 48 tpi
step		set	15		;; 15 ms step time
hdload		set	100		;; 100 ms headload-time
drive		set	true
		endm

MAXIDS		macro	;; slow double sided 8" drive
size		set	8		;; 8" drive
sides		set	2		;; double sided
tracks		set	77		;; 77 tracks / 48 tpi
step		set	15		;; 15 ms step time
hdload		set	100		;; 100 ms headload-time
drive		set	true
		endm

MAXI		macro	;; slow 8" drive
size		set	8		;; 8" drive
sides		set	2		;; try with double sided
tracks		set	77		;; 77 tracks / 48 tpi
step		set	16		;; 16 ms step time
hdload		set	100		;; 100 ms headload-time
drive		set	true
		endm

FLO58		macro	;; unknown drive
size		set	5		;; unknown size, set 5,25"
sides		set	2		;; try with double sided
tracks		set	0		;; 40 or 80 track 
step		set	15		;; 15 (or 30 ms) step time
hdload		set	100		;; 100 ms headload time
higden		set	true		;; high density possible
drive		set	true
		endm

RO201		macro	;; 6 MByte Winchester
tracks		set	320		;; 320 tracks
heads		set	2		;; 2 heads
redcur		set	132		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	33		;; rwc for WD1010
		;;***** HDC 5: connect IC 28 pin 9 to HIGH *****
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	320*17		;; 320 tracks, 2 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	316*2*9		;; 320 tracks, 2 heads, 9 sectors a 1 K
trkoff		set	4		;; 2 tracks offset for directory backup
drive		set	true
		endm

RO202		macro	;; 13 MByte Winchester
tracks		set	320		;; 320 tracks
heads		set	4		;; 4 heads
redcur		set	132		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	33		;; rwc for WD1010
		;;***** HDC 5: connect IC 28 pin 9 to HIGH *****
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	320*17*2	;; 320 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	318*4*9		;; 320 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

RO204		macro	;; 27 MByte Winchester
tracks		set	320		;; 320 tracks
heads		set	8		;; 8 heads
redcur		set	132		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	33		;; rwc for WD1010
		;;***** HDC 5: connect IC 28 pin 9 to HIGH *****
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	320*17*4	;; 320 tracks, 8 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	319*8*9		;; 320 tracks, 8 heads, 9 sectors a 1 K
trkoff		set	1		;; 1 track offset for directory backup
drive		set	true
		endm

RO201E		macro	;; 13 MByte Winchester
tracks		set	640		;; 640 tracks
heads		set	2		;; 2 heads
redcur		set	210		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	0		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	640*17		;; 640 tracks, 2 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	636*2*9		;; 640 tracks, 2 heads, 9 sectors a 1 K
trkoff	 	set	4		;; 4 tracks offset for directory backup
drive		set	true
		endm

RO202E		macro	;; 27 MByte Winchester
tracks		set	640		;; 640 tracks
heads		set	4		;; 4 heads
redcur		set	210		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	0		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	640*17*2	;; 640 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	638*4*9		;; 640 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

RO204E		macro	;; 54 MByte Winchester
tracks		set	640		;; 640 tracks
heads		set	8		;; 8 heads
redcur		set	210		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	0		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	640*17*4	;; 640 tracks, 8 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	639*8*9		;; 639 tracks, 8 heads, 9 sectors a 1 K
trkoff		set	1		;; 1 track offset for directory backup
drive		set	true
		endm

RO352		macro
tracks		set	306		;; 306 tracks
heads		set	4		;; 4 heads
redcur		set	306		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	77		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	306*17*2	;; 306 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	304*4*9		;; 306 tracks, 4 heads, 9 1K-sectors
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

RO252		macro
tracks		set	306		;; 306 tracks
heads		set	4		;; 4 heads
redcur		set	306		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	77		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	306*17*2	;; 306 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	304*4*9		;; 306 tracks, 4 heads, 9 1K-sectors
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

SD510		macro	;; 13 MByte Winchester
tracks		set	306		;; 306 tracks
heads		set	4		;; 4 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	306*17*2	;; 306 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	304*4*9		;; 306 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

sa604		macro	;; 5 MByte Winchester
tracks		set	153		;; 153 tracks
heads		set	4		;; 4 heads
redcur		set	153		;; starting reduced write current
precom		set	153		;; starting write precomensation
rwc		set	38		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0000b	;; normal step
srt		set	0110b		;; 3 ms step time
capac		set	153*17*4/2	;; 153 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	151*4*9		;; 153 tracks, 4 heads, 9 1K-sectors
trkoff		set	2		;; 2 tracks offset for dir-backup
drive		set	true
		endm

NECD5114	macro	;; 6 MByte Winchester
tracks		set	310		;; 310 tracks
heads		set	2		;; 2 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	tracks*17	;; 17 sectors a 512 bytes
hcapac		set	306*2*9		;; 310 tracks, 2 heads, 9 1K-sectors
trkoff		set	4		;; 4 tracks offset
drive		set	true
		endm

NECD5124	macro	;; NEC Winchester
tracks		set	310		;; 310 tracks
heads		set	4		;; 4 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	310*17*2	;; 310 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	308*4*9		;; 306 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

NECD5126	macro	;; NEC slimline 26 MB Winchester
tracks		set	615		;; 615 tracks
heads		set	4		;; 4 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0001$0111b	;; 15 us buffered step, imbedded servo
srt		set	0		;; 35 us fast step
capac		set	615*17*2	;; 615 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	613*4*9		;; 613 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

NECD5146	macro	;; NEC slimline 51 MB Winchester
tracks		set	615		;; 615 tracks
heads		set	8		;; 8 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0001$0111b	;; 15 us buffered step, imbedded servo
srt		set	0		;; 35 us fast step
capac		set	615*17*4	;; 615 tracks, 8 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	614*8*9		;; 614 tracks, 8 heads, 9 sectors a 1 K
trkoff		set	1		;; 1 tracks offset for directory backup
drive		set	true
		endm

NECD3126	macro	;; NEC slimline 3,5" 26 MB Winchester
tracks		set	615		;; 615 tracks
heads		set	4		;; 4 heads
redcur		set	0		;; starting reduced write current
precom		set	256		;; starting write precomensation
rwc		set	64		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0001$0111b	;; 15 us buffered step, imbedded servo
srt		set	0		;; 35 us fast step
capac		set	615*17*2	;; 615 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	613*4*9		;; 613 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

NECD5214	macro	;; NEC Winchester
tracks		set	310		;; 310 tracks
heads		set	2		;; 2 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	310*17		;; 310 tracks, 2 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	306*2*9		;; 306 tracks, 2 heads, 9 sectors a 1 K
trkoff		set	4		;; 4 tracks offset for directory backup
drive		set	true
		endm

NECD5224	macro	;; NEC Winchester
tracks		set	310		;; 310 tracks
heads		set	4		;; 4 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	310*17*2	;; 310 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	308*4*9		;; 306 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

NECD5234	macro	;; NEC Winchester
tracks		set	310		;; 310 tracks
heads		set	6		;; 6 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	310*17*3	;; 310 tracks, 6 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	308*6*9		;; 306 tracks, 6 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

NECD5244	macro	;; NEC Winchester
tracks		set	310		;; 310 tracks
heads		set	8		;; 8 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	310*17*4	;; 310 tracks, 8 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	309*8*9		;; 306 tracks, 8 heads, 9 sectors a 1 K
trkoff		set	1		;; 1 track offset for directory backup
drive		set	true
		endm


MS8425		macro	;; MiniScribe 8425 slimline 26 MB Winchester 3,5"
tracks		set	615		;; 615 tracks
heads		set	4		;; 4 heads
redcur		set	0		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0001$0111b	;; 15 us buffered step, imbedded servo
srt		set	0		;; 35 us fast step
capac		set	615*17*2	;; 615 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	613*4*9		;; 613 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

LT200		macro	;; Lapine Titan LT200 3,5" Winchester TITAN 3532
tracks		set	615		;; 615 tracks
heads		set	4		;; 4 heads
redcur		set	0		;; starting reduced write current
precom		set	0		;; starting write precomensation
rwc		set	0		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0001$0111b	;; 15 us buffered step, imbedded servo
srt		set	0		;; 35 us fast step
capac		set	615*17*2	;; 615 tracks, 4 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	613*4*9		;; 613 tracks, 4 heads, 9 sectors a 1 K
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

BASF6183	macro	;; 10 MByte Winchester
tracks		set	153		;; 153 tracks
heads		set	6		;; 6 heads
redcur		set	153		;; starting reduced write current
precom		set	153		;; starting write precomensation
rwc		set	38		;; rwc for WD1010
ecc		set	11		;; ecc data burst length
option		set	0000$0000b	;; normal step
srt		set	0110b		;; 3 ms step rate time
capac		set	153*17*3	;; 153 tracks, 6 heads, 17 sectors
					;; 512 byte / sector
hcapac		set	151*6*9		;; 153 tracks, 6 heads, 9 1K-sectors
trkoff		set	2		;; 2 tracks offset for directory backup
drive		set	true
		endm

BASF6185	macro	;; 27 MByte Winchester
tracks		set	440		;; 440 tracks
heads		set	6		;; 6 heads
redcur		set	256		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; 128 and 256 ??????
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
srt		set	0		;; 35 us fast step
capac		set	tracks*17*3	;; 17 sectors a 512 bytes
hcapac		set	438*6*9		;; 440 tracks, 6 heads, 9 1K-sectors
trkoff		set 	2		;; 2 tracks offset for dir-backup
drive		set	true
		endm

BASF6188	macro	;; 15 MByte Winchester
tracks		set	360		;; 360 tracks
heads		set	4		;; 4 heads
redcur		set	256		;; starting reduced write current
precom		set	128		;; starting write precomensation
rwc		set	32		;; 128 and 256 ????????
ecc		set	11		;; ecc data burst length
option		set	0000$0111b	;; 15 us buffered step
capac		set	tracks*17*2	;; 17 sectors a 512 bytes
hcapac		set	358*4*9		;; 360 tracks, 4 heads, 9 1K-sectors
trkoff		set	2		;; 2 tracks offset for dir-backup
drive		set	true
		endm

DMA360		macro	;; DMA-SYSTEMS 10 MB Wechselplatte
tracks		set	612		;; 612 tracks
heads		set	2		;; 2 heads
redcur		set	613		;; not used
precom		set	400		;; write precompensation
rwc		set	100
ecc		set	11		;; ecc data burst length
option		set	0001$0111b	;; 15 us buffered step, imbedded servo
srt		set	0		;; 35 us fast step
capac		set	612*17		;; 612 tracks, 17 sectors, 2 heads
hcapac		set	608*2*9		;; 612 tracks, 2 heads, 9 1K sectors
trkoff		set	4		;; 4 tracks offset for dir-backup
drive		set	true
		endm

HD		macro	;; harddisk with 153 tracks, 2 heads (don't use)
tracks		set	153		;; 153 tracks
heads		set	2		;; 2 heads
redcur		set	128		;; starting reduced write current
precom		set	153		;; starting write precomensation
rwc		set	32		;; rwc
ecc		set	11		;; ecc data burst length
option		set	0000$0000b	;; normal step
srt		set	0110b		;; 3 ms step rate time
hcapac		set	149*2*9		;; 149 tracks, 2 heads, 9 sectors a 1 K
capac		set	153*17		;; 153 tracks, 2 heads, 17 sectors
					;; 512 byte / sector
trkoff		set	4		;; 4 tracks space for directory backup
drive		set	true
		endm
