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61 lines
2.5 KiB
61 lines
2.5 KiB
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;==================================================================================================
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; PPIDE DISK DRIVER - DATA
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;==================================================================================================
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;
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PPIDE_SLICETRKS .EQU 65 ; TRACKS PER SLICE
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PPIDE_TRKSIZE .EQU 128 ; SIZE OF TRACK (IN KB)
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PPIDE_SLICESIZE .EQU ((PPIDE_SLICETRKS * PPIDE_TRKSIZE) + 1023) / 1024 ; SIZE OF EACH SLICE (IN MB)
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PPIDE_NUMSLICES .EQU PPIDECAPACITY / PPIDE_SLICESIZE ; TOTAL SLICES IN DEVICE
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PPIDE0_SLICEDEF .EQU 0 ; DEFAULT SLICE FOR LOGICAL UNIT 0
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PPIDE1_SLICEDEF .EQU 1 ; DEFAULT SLICE FOR LOGICAL UNIT 1
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PPIDE2_SLICEDEF .EQU 2 ; DEFAULT SLICE FOR LOGICAL UNIT 2
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PPIDE3_SLICEDEF .EQU 3 ; DEFAULT SLICE FOR LOGICAL UNIT 3
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;
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.DB DIODEV_PPIDE + 0
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PPIDEDPH0 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW PPIDECSV0,PPIDEALV0
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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PPIDE0_SLICE .DW PPIDE0_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW PPIDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_PPIDE + 0
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PPIDEDPH1 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,0FFFFH
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.DW PPIDECSV1,PPIDEALV1
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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PPIDE1_SLICE .DW PPIDE1_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW PPIDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_PPIDE + 0
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PPIDEDPH2 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,0FFFFH
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.DW PPIDECSV2,PPIDEALV2
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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PPIDE2_SLICE .DW PPIDE2_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW PPIDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_PPIDE + 0
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PPIDEDPH3 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,0FFFFH
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.DW PPIDECSV3,PPIDEALV3
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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PPIDE3_SLICE .DW PPIDE3_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW PPIDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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PPIDECKS .EQU 0 ; CKS: 0 FOR NON-REMOVABLE MEDIA
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PPIDEALS .EQU 256 ; ALS: BLKS / 8 = 2048 / 8 = 256 (ROUNDED UP)
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;
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PPIDECSV0: .FILL PPIDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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PPIDEALV0: .FILL PPIDEALS ; MAX OF 2048 DATA BLOCKS
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PPIDECSV1: .FILL PPIDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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PPIDEALV1: .FILL PPIDEALS ; MAX OF 2048 DATA BLOCKS
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PPIDECSV2: .FILL PPIDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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PPIDEALV2: .FILL PPIDEALS ; MAX OF 2048 DATA BLOCKS
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PPIDECSV3: .FILL PPIDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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PPIDEALV3: .FILL PPIDEALS ; MAX OF 2048 DATA BLOCKS
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