mirror of
https://github.com/wwarthen/RomWBW.git
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106 lines
3.6 KiB
Plaintext
106 lines
3.6 KiB
Plaintext
;==========================================================================
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; DPB-8.LIB
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; This file contains Non-conflicting 8" Diskette formats for use in Auto-
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; selecting disks during the logon sequence. The hardware MUST support the
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; use of 8" (or so-called "Hi-Density") formats with the higher 500 kbps
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; clock speeds with the exception of the IBM 3740 Single-Density format.
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; Some computers such as the YASBEC and AMPRO Little Boards cannot operate
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; at the 500 kbps rates and this file should not be included.
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; See DPB.LIB for definitions of Format Type Bytes.
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;.....
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; IBM 3740 8-inch Single Density Disk Format
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DEFB 'IBM 3740 ',' '+80H ; Id - 10 bytes
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DEFB DSK8+SS+SD ; Format type byte 0
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DEFB SPEED8+SEC128+ALC1K ; Format type byte 1
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DEFB 6 ; Skew factor
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DEFB 1 ; Starting sector number
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DEFB 26 ; Physical sectors per track
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DEFB 77 ; Physical tracks/side
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DEFW 26 ; Sectors per track
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DEFB 3 ; Block shift factor
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DEFB 7 ; Block mask
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DEFB 0 ; Extent mask
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DEFW 242 ; Disk size-1
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DEFW 63 ; Directory max
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DEFB 0C0H, 0 ; Alloc 0,1
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DEFW 16 ; Check size
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DEFW 2 ; Track offset
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IF NOT CALCSK
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; NOTE: Sectors are Physical size, Not 128 Byte Record Size
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; 00 01 02 03 04 05 06 07 ; Logical Sector
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DEFB 01,07,13,19,25,05,11,17 ; Physical sector
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; 08 09 10 11 12 13 14 15 ; Logical Sector
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DEFB 23,03,09,15,21,02,08,14 ; Physical sector
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; 16 17 18 19 20 21 22 23 ; Logical Sector
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DEFB 20,26,06,12,18,24,04,10 ; Physical sector
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; 24 25 ; Logical Sector
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DEFB 16,22 ; Physical sector
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ENDIF
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;.....
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; Bower 8" 1k-sctrs, SS/DD
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DEFB 'Bower 1kS','S'+80H ; Id - 10 bytes
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DEFB DSK8+SS+DD ; Format type byte 0
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DEFB SPEED8+SEC1K+ALC2K ; Format type byte 1
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DEFB -2 ; Skew factor
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DEFB 1 ; Starting sector number
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DEFB 9 ; Physical sectors per track
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DEFB 77 ; Physical tracks/side
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DEFW 72 ; Sectors per track
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DEFB 4 ; Block shift factor
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DEFB 15 ; Block mask
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DEFB 0 ; Extent mask
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DEFW 336 ; Disk size-1
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DEFW 255 ; Directory max
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DEFB 0F0H, 0 ; Alloc 0,1
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DEFW 64 ; Check size
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DEFW 2 ; Track offset
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IF NOT CALCSK
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; NOTE: Sectors are Physical size, Not 128 Byte Record Size
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; 00 01 02 03 04 05 06 07 ; Logical Sector
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DEFB 01,02,03,04,05,06,07,08 ; Physical sector
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; 08 09 10 11 12 13 14 15 ; Logical Sector
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DEFB 09,00,00,00,00,00,00,00 ; Physical sector
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; 16 17 18 19 20 21 22 23 ; Logical Sector
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DEFB 00,00,00,00,00,00,00,00 ; Physical sector
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; 24 25 ; Logical Sector
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DEFB 00,00 ; Physical sector
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ENDIF
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;.....
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; Bower 1024-byte sctrs, DS/DD
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DEFB 'Bower DSD','D'+80H ; Id - 10 bytes
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DEFB DSK8+TSBTL+DD ; Format type byte 0
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DEFB SPEED8+SEC1K+ALC2K ; Format type byte 1
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DEFB -2 ; Skew factor
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DEFB 17 ; Starting sector number
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DEFB 9 ; Physical sectors per track
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DEFB 77 ; Physical tracks/side
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DEFW 72 ; Sectors per track
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DEFB 4 ; Block shift factor
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DEFB 15 ; Block mask
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DEFB 0 ; Extent mask
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DEFW 683 ; Disk size-1
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DEFW 255 ; Directory max
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DEFB 0F0H, 0 ; Alloc 0,1
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DEFW 64 ; Check size
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DEFW 2 ; Track offset
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IF NOT CALCSK
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; NOTE: Sectors are Physical size, Not 128 Byte Record Size
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; 00 01 02 03 04 05 06 07 ; Logical Sector
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DEFB 17,18,19,20,21,22,23,24 ; Physical sector
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; 08 09 10 11 12 13 14 15 ; Logical Sector
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DEFB 25,00,00,00,00,00,00,00 ; Physical sector
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; 16 17 18 19 20 21 22 23 ; Logical Sector
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DEFB 00,00,00,00,00,00,00,00 ; Physical sector
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; 24 25 ; Logical Sector
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DEFB 00,00 ; Physical sector
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ENDIF
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;======================= End of DPB-8.LIB ===========================
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