ldkraemer
Veteran Member
After downloading DDBOOT1A.IMD and X820IICPM.IMD, I needed two new defintiions
for cpmtools and libdsk. IMDA & IMDU gave extra information on DDBOOT1A.IMD
$IMDA DDBOOT1A.IMD > DDBOOT1A.TXT
IMageDisk Analyzer 1.18 / Mar 12 2012
IMD 1.18: 24/01/2017 17:07:50
Required cylinders: 40
Required heads : 1
Data rate : 250kbps
Est. maximum track: 3919 bytes
$IMDU DDBOOT1A.IMD DDBOOT1A.RAW /B /E /D >> DDBOOT1A.TXT
IMageDisk Utility 1.18 / Mar 07 2012
IMD 1.18: 24/01/2017 17:07:50
Assuming 1:1 for Binary output
0/0 250 kbps SD 18x128
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
D D D D D D D D D D D D D D D D D D
1/0 D D D D D D D D D D D D D D D D D D
These Definitions should work:
# XER2 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 18
diskdef xer2
seclen 128
tracks 40
sectrk 18
blocksize 1024
maxdir 32
skew 5
boottrk 3
os 2.2
end
# libdsk data below
[xer2]
description = XER2 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 18
cylinders = 40
heads = 1
secsize = 128
sectors = 18
secbase = 1
datarate = SD
and CBIOS.ASM extracted properly:
$IMDU X820IICP.IMD X820IICP.RAW /B /E /D >> X820IICP.TXT
IMageDisk Utility 1.18 / Mar 07 2012
IMD 0.1: 29/07/2005 7:00:51
Xerox 820-II Boot
Assuming 1:1 for Binary output
0/0 500 kbps SD 26x128
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
D D D D D D D D D D D D D D D D D D D D D D D D D D
1/0 D D D D D D D D D D D D D D D D D D D D D D D D D D
BEGIN XER0 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 26
DENSITY FM LOW
CYLINDERS 40 SIDES 1 SECTORS 26 128
SIDE1 0 1,7,13,19,25,5,11,17,23,3,9,15,21,2,8,14,20,26,6,12,18,24,4,10,16,22
BSH 3 BLM 7 EXM 0 DSM 242 DRM 63 AL0 0C0H AL1 0 OFS 2
END
# XER0 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 26
diskdef xer0
seclen 128
tracks 40
sectrk 26
blocksize 1024
maxdir 64
skew 6
boottrk 2
os 2.2
end
# libdsk data below
[xer0]
description = XER0 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 26
cylinders = 40
heads = 1
secsize = 128
sectors = 26
secbase = 1
datarate = SD
And the HxC Software created X820IICPM_IMD.SCP for the GreaseWeazle to write the SCP Image to a Samsung SFD-321B 3.5" floppy strapped for 360 RPM.
Larry
for cpmtools and libdsk. IMDA & IMDU gave extra information on DDBOOT1A.IMD
$IMDA DDBOOT1A.IMD > DDBOOT1A.TXT
IMageDisk Analyzer 1.18 / Mar 12 2012
IMD 1.18: 24/01/2017 17:07:50
Required cylinders: 40
Required heads : 1
Data rate : 250kbps
Est. maximum track: 3919 bytes
$IMDU DDBOOT1A.IMD DDBOOT1A.RAW /B /E /D >> DDBOOT1A.TXT
IMageDisk Utility 1.18 / Mar 07 2012
IMD 1.18: 24/01/2017 17:07:50
Assuming 1:1 for Binary output
0/0 250 kbps SD 18x128
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
D D D D D D D D D D D D D D D D D D
1/0 D D D D D D D D D D D D D D D D D D
These Definitions should work:
# XER2 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 18
diskdef xer2
seclen 128
tracks 40
sectrk 18
blocksize 1024
maxdir 32
skew 5
boottrk 3
os 2.2
end
# libdsk data below
[xer2]
description = XER2 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 18
cylinders = 40
heads = 1
secsize = 128
sectors = 18
secbase = 1
datarate = SD
Code:
$ cpmls -f xer2 -D DDBOOT1A.RAW
Name Bytes Recs Attr update create
------------ ------ ------ ---- ----------------- -----------------
ASM .COM 8K 64
BB2CPM60.COM 9K 68
BB2FORMT.COM 7K 51
BIOS .ASM 12K 96
BIOS .DOC 5K 34
CBIOS .ASM 9K 69
CPM60 .COM 9K 68
DDT .COM 5K 38
DEBLOCK .ASM 10K 80
DISKDEF .LIB 7K 49
DUMP .ASM 1K 8
11 Files occupying 82K, 0K Free.
Code:
$cpmcp -f xer2 DDBOOT1A.RAW 0:*.asm /home/larry/IMD-118/X820/
Which gave me yet another definition for X820IICPM.IMD:
;
; fixed data tables for four-drive standard
; IBM-compatible 8" disks
; disk parameter header for disk 00
dpbase: dw trans,0000H
dw 0000H,0000H
dw dirbf,dpblk
dw chk00,all00
; disk parameter header for disk 01
dw trans,0000H
dw 0000H,0000H
dw dirbf,dpblk
dw chk01,all01
; disk parameter header for disk 02
dw trans,0000H
dw 0000H,0000H
dw dirbf,dpblk
dw chk02,all02
; disk parameter header for disk 03
dw trans,0000H
dw 0000H,0000H
dw dirbf,dpblk
dw chk03,all03
;
; sector translate vector
trans: db 1,7,13,19 ;sectors 1,2,3,4
db 25,5,11,17 ;sectors 5,6,7,8
db 23,3,9,15 ;sectors 9,10,11,12
db 21,2,8,14 ;sectors 13,14,15,16
db 20,26,6,12 ;sectors 17,18,19,20
db 18,24,4,10 ;sectors 21,22,23,24
db 16,22 ;sectors 25,26
;
dpblk: ;disk parameter block, common to all disks
dw 26 ;sectors per track
db 3 ;block shift factor
db 7 ;block mask
db 0 ;null mask
dw 242 ;disk size-1
dw 63 ;directory max
db 192 ;alloc 0
db 0 ;alloc 1
dw 16 ;check size
dw 2 ;track offset
;
; end of fixed tables
;$IMDU X820IICP.IMD X820IICP.RAW /B /E /D >> X820IICP.TXT
IMageDisk Utility 1.18 / Mar 07 2012
IMD 0.1: 29/07/2005 7:00:51
Xerox 820-II Boot
Assuming 1:1 for Binary output
0/0 500 kbps SD 26x128
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
D D D D D D D D D D D D D D D D D D D D D D D D D D
1/0 D D D D D D D D D D D D D D D D D D D D D D D D D D
BEGIN XER0 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 26
DENSITY FM LOW
CYLINDERS 40 SIDES 1 SECTORS 26 128
SIDE1 0 1,7,13,19,25,5,11,17,23,3,9,15,21,2,8,14,20,26,6,12,18,24,4,10,16,22
BSH 3 BLM 7 EXM 0 DSM 242 DRM 63 AL0 0C0H AL1 0 OFS 2
END
# XER0 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 26
diskdef xer0
seclen 128
tracks 40
sectrk 26
blocksize 1024
maxdir 64
skew 6
boottrk 2
os 2.2
end
# libdsk data below
[xer0]
description = XER0 Xerox 820 - SSSD 48 tpi 5.25" - 128 x 26
cylinders = 40
heads = 1
secsize = 128
sectors = 26
secbase = 1
datarate = SD
Code:
$ cpmls -f xer0 -D X820IICPM.RAW
Name Bytes Recs Attr update create
------------ ------ ------ ---- ----------------- -----------------
CONFIGUR.COM 12K 92 R
COPY .COM 5K 38
DDT .COM 5K 38 R
DUMP .COM 1K 4 R
ED .COM 7K 52 R
HELP .TXT 30K 235 R
INIT .COM 4K 28 R
LOAD .COM 2K 14 R
MOVCPM .COM 10K 76 R
PIP .COM 8K 58 R
STAT .COM 6K 41 R
SUBMIT .COM 2K 10 R
SW .COM 12K 92
SWAP .COM 1K 3 R
SYSGEN .COM 2K 11 R
XSUB .COM 1K 6 R
16 Files occupying 108K, 13K Free.And the HxC Software created X820IICPM_IMD.SCP for the GreaseWeazle to write the SCP Image to a Samsung SFD-321B 3.5" floppy strapped for 360 RPM.
Larry