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61 lines
2.4 KiB
61 lines
2.4 KiB
;
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;==================================================================================================
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; HDSK DISK DRIVER - DATA
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;==================================================================================================
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;
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HDSK_SLICETRKS .EQU 65 ; TRACKS PER SLICE
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HDSK_TRKSIZE .EQU 128 ; SIZE OF TRACK (IN KB)
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HDSK_SLICESIZE .EQU ((HDSK_SLICETRKS * HDSK_TRKSIZE) + 1023) / 1024 ; SIZE OF EACH SLICE (IN MB)
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HDSK_NUMSLICES .EQU HDSKCAPACITY / HDSK_SLICESIZE ; TOTAL SLICES IN DEVICE
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HDSK0_SLICEDEF .EQU 0 ; DEFAULT SLICE FOR LOGICAL UNIT 0
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HDSK1_SLICEDEF .EQU 1 ; DEFAULT SLICE FOR LOGICAL UNIT 1
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HDSK2_SLICEDEF .EQU 2 ; DEFAULT SLICE FOR LOGICAL UNIT 2
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HDSK3_SLICEDEF .EQU 3 ; DEFAULT SLICE FOR LOGICAL UNIT 3
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;
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.DB DIODEV_HDSK + 0
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HDSKDPH0 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW HDSKCSV0,HDSKALV0
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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HDSK0_SLICE .DW HDSK0_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW HDSK_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_HDSK + 0
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HDSKDPH1 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW HDSKCSV1,HDSKALV1
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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HDSK1_SLICE .DW HDSK1_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW HDSK_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_HDSK + 0
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HDSKDPH2 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW HDSKCSV2,HDSKALV2
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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HDSK2_SLICE .DW HDSK2_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW HDSK_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_HDSK + 0
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HDSKDPH3 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW HDSKCSV3,HDSKALV3
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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HDSK3_SLICE .DW HDSK3_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW HDSK_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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HDSKCKS .EQU 0 ; CKS: 0 FOR NON-REMOVABLE MEDIA
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HDSKALS .EQU 256 ; ALS: BLKS / 8 = 2048 / 8 = 256 (ROUNDED UP)
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;
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HDSKCSV0: .FILL HDSKCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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HDSKALV0: .FILL HDSKALS ; MAX OF 2048 DATA BLOCKS
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HDSKCSV1: .FILL HDSKCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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HDSKALV1: .FILL HDSKALS ; MAX OF 2048 DATA BLOCKS
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HDSKCSV2: .FILL HDSKCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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HDSKALV2: .FILL HDSKALS ; MAX OF 2048 DATA BLOCKS
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HDSKCSV3: .FILL HDSKCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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HDSKALV3: .FILL HDSKALS ; MAX OF 2048 DATA BLOCKS
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