mirror of https://github.com/wwarthen/RomWBW.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
2.3 KiB
61 lines
2.3 KiB
;
|
|
;==================================================================================================
|
|
; IDE DISK DRIVER - DATA
|
|
;==================================================================================================
|
|
;
|
|
SD_SLICETRKS .EQU 65 ; TRACKS PER SLICE
|
|
SD_TRKSIZE .EQU 128 ; SIZE OF TRACK (IN KB)
|
|
SD_SLICESIZE .EQU ((SD_SLICETRKS * SD_TRKSIZE) + 1023) / 1024 ; SIZE OF EACH SLICE (IN MB)
|
|
SD_NUMSLICES .EQU SDCAPACITY / SD_SLICESIZE ; TOTAL SLICES IN DEVICE
|
|
SD0_SLICEDEF .EQU 0 ; DEFAULT SLICE FOR LOGICAL UNIT 0
|
|
SD1_SLICEDEF .EQU 1 ; DEFAULT SLICE FOR LOGICAL UNIT 1
|
|
SD2_SLICEDEF .EQU 2 ; DEFAULT SLICE FOR LOGICAL UNIT 2
|
|
SD3_SLICEDEF .EQU 3 ; DEFAULT SLICE FOR LOGICAL UNIT 3
|
|
;
|
|
.DB DIODEV_SD + 0
|
|
SDDPH0 .DW 0000,0000
|
|
.DW 0000,0000
|
|
.DW DIRBF,DPB_HD
|
|
.DW SDCSV0,SDALV0
|
|
.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
|
|
SD0_SLICE .DW SD0_SLICEDEF ; CURRENTLY ACTIVE SLICE
|
|
.DW SD_NUMSLICES ; NUMBER OF SLICES AVAILABLE
|
|
;
|
|
.DB DIODEV_SD + 0
|
|
SDDPH1 .DW 0000,0000
|
|
.DW 0000,0000
|
|
.DW DIRBF,DPB_HD
|
|
.DW SDCSV1,SDALV1
|
|
.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
|
|
SD1_SLICE .DW SD1_SLICEDEF ; CURRENTLY ACTIVE SLICE
|
|
.DW SD_NUMSLICES ; NUMBER OF SLICES AVAILABLE
|
|
;
|
|
.DB DIODEV_SD + 0
|
|
SDDPH2 .DW 0000,0000
|
|
.DW 0000,0000
|
|
.DW DIRBF,DPB_HD
|
|
.DW SDCSV2,SDALV2
|
|
.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
|
|
SD2_SLICE .DW SD2_SLICEDEF ; CURRENTLY ACTIVE SLICE
|
|
.DW SD_NUMSLICES ; NUMBER OF SLICES AVAILABLE
|
|
;
|
|
.DB DIODEV_SD + 0
|
|
SDDPH3 .DW 0000,0000
|
|
.DW 0000,0000
|
|
.DW DIRBF,DPB_HD
|
|
.DW SDCSV3,SDALV3
|
|
.DB "LU" ; LOGICAL UNIT ENHANCEMENT SIGNATURE
|
|
SD3_SLICE .DW SD3_SLICEDEF ; CURRENTLY ACTIVE SLICE
|
|
.DW SD_NUMSLICES ; NUMBER OF SLICES AVAILABLE
|
|
;
|
|
SDCKS .EQU 0 ; CKS: 0 FOR NON-REMOVABLE MEDIA
|
|
SDALS .EQU 256 ; ALS: BLKS / 8 = 2048 / 8 = 256 (ROUNDED UP)
|
|
;
|
|
SDCSV0: .FILL SDCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
|
|
SDALV0: .FILL SDALS ; MAX OF 2048 DATA BLOCKS
|
|
SDCSV1: .FILL SDCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
|
|
SDALV1: .FILL SDALS ; MAX OF 2048 DATA BLOCKS
|
|
SDCSV2: .FILL SDCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
|
|
SDALV2: .FILL SDALS ; MAX OF 2048 DATA BLOCKS
|
|
SDCSV3: .FILL SDCKS ; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
|
|
SDALV3: .FILL SDALS ; MAX OF 2048 DATA BLOCKS
|
|
|