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61 lines
2.4 KiB
61 lines
2.4 KiB
;
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;==================================================================================================
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; IDE DISK DRIVER - DATA
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;==================================================================================================
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;
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IDE_SLICETRKS .EQU 65 ; TRACKS PER SLICE
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IDE_TRKSIZE .EQU 128 ; SIZE OF TRACK (IN KB)
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IDE_SLICESIZE .EQU ((IDE_SLICETRKS * IDE_TRKSIZE) + 1023) / 1024 ; SIZE OF EACH SLICE (IN MB)
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IDE_NUMSLICES .EQU IDECAPACITY / IDE_SLICESIZE ; TOTAL SLICES IN DEVICE
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IDE0_SLICEDEF .EQU 0 ; DEFAULT SLICE FOR LOGICAL UNIT 0
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IDE1_SLICEDEF .EQU 1 ; DEFAULT SLICE FOR LOGICAL UNIT 1
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IDE2_SLICEDEF .EQU 2 ; DEFAULT SLICE FOR LOGICAL UNIT 2
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IDE3_SLICEDEF .EQU 3 ; DEFAULT SLICE FOR LOGICAL UNIT 3
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;
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.DB DIODEV_IDE + 0
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IDEDPH0 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW IDECSV0,IDEALV0
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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IDE0_SLICE .DW IDE0_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW IDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_IDE + 0
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IDEDPH1 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW IDECSV1,IDEALV1
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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IDE1_SLICE .DW IDE1_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW IDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_IDE + 0
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IDEDPH2 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW IDECSV2,IDEALV2
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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IDE2_SLICE .DW IDE2_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW IDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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.DB DIODEV_IDE + 0
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IDEDPH3 .DW 0000,0000
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.DW 0000,0000
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.DW DIRBF,DPB_HD
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.DW IDECSV3,IDEALV3
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.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
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IDE3_SLICE .DW IDE3_SLICEDEF ; CURRENTLY ACTIVE SLICE
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.DW IDE_NUMSLICES ; NUMBER OF SLICES AVAILABLE
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;
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IDECKS .EQU 0 ; CKS: 0 FOR NON-REMOVABLE MEDIA
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IDEALS .EQU 256 ; ALS: BLKS / 8 = 2048 / 8 = 256 (ROUNDED UP)
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;
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IDECSV0: .FILL IDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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IDEALV0: .FILL IDEALS ; MAX OF 2048 DATA BLOCKS
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IDECSV1: .FILL IDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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IDEALV1: .FILL IDEALS ; MAX OF 2048 DATA BLOCKS
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IDECSV2: .FILL IDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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IDEALV2: .FILL IDEALS ; MAX OF 2048 DATA BLOCKS
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IDECSV3: .FILL IDECKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
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IDEALV3: .FILL IDEALS ; MAX OF 2048 DATA BLOCKS
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