mirror of
https://github.com/a2-4am/passport.git
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141 lines
4.2 KiB
Plaintext
141 lines
4.2 KiB
Plaintext
HardDirName !raw "PASSPORT"
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HardDirName_e
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HardDiskName !raw "/IMG0000.DSK"
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HardDiskName_e
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;-------------------------------
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; CreateFileOnHardDisk
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; create a new autonumbered image file on the user's selected target,
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; which should be a hard disk
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;
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; in: HardDiskArray populated
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; user's selected target is a hard disk
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; ProDOS is not in memory
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; out: if C set, create or open failed (A contains MLI error code)
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; if C clear, everything succeeded (A is clobbered)
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; all other registers and flags clobbered
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; ProDOS is not in memory
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;-------------------------------
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CreateFileOnHardDisk
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jsr SwapProDOS ; ProDOS out -> in (preserves flags)
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jsr LookupUnitNumberOfSelectedHardDisk
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jsr GetVolumeName
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lda OnlineReturn
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and #$0F ; A=volume name length
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tay
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clc
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adc #(HardDirName_e-HardDirName)+2
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sta HardDiskImagePath
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tax
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lda #$2F
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sta HardDiskImagePath+1
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sta HardDiskImagePath+2, y
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- lda OnlineReturn, y
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sta HardDiskImagePath+1, y
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dey
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bne -
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ldy #(HardDirName_e-HardDirName)
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- lda HardDirName-1, y
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sta HardDiskImagePath, x
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dex
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dey
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bne -
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; @HardDiskImagePath = fully qualified pathname of target volume +
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; our hardcoded directory
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lda #<HardDiskImagePath
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sta mliparam+1
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lda #>HardDiskImagePath
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sta mliparam+2
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jsr CreateDir ; create hardcoded directory
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; (don't care if this fails)
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lda HardDiskImagePath
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clc
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adc #(HardDiskName_e-HardDiskName)
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sta HardDiskImagePath
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tax
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ldy #(HardDiskName_e-HardDiskName)
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- lda HardDiskName-1, y
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sta HardDiskImagePath, x
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dex
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dey
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bne -
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; @HardDiskImagePath = fully qualified pathname of target volume +
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; our hardcoded directory + our default filename
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; This file might already exist, in which case we will repeatedly
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; construct sequentially numbered filenames until we find one that
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; doesn't exist.
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@findSpare
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jsr GetFileInfo
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bcs @tryCreate ; branch if file does not exist (good)
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; construct next filename
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; (filename starts as IMG0000.DSK so we ignore the last 4 characters
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; and increment the digits as base 10)
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ldx HardDiskImagePath
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@nextDigit
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inc HardDiskImagePath-4, x
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lda HardDiskImagePath-4, x
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cmp #'9'+1
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bcc @findSpare ; loop back to check if new filename exists
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lda #'0'
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sta HardDiskImagePath-4, x
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dex
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bne @nextDigit
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@tryCreate
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; @mliparam+1 still points to @HardDiskImagePath, which now contains
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; the full pathname of the file we want to create
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jsr Create140KFile
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bcs +
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sta gHardDiskRef
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+ jmp SwapProDOS ; ProDOS in -> out (preserves flags)
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;-------------------------------
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; CloseFileOnHardDisk
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; close the previously open file on a hard disk, if any
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;
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; always safe to call (gracefully returns if no file is open)
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; does not return any error status because no one cares
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;
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; in: ProDOS is in memory
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; out: all registers and flags clobbered
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; ProDOS is in memory
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;-------------------------------
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!macro CloseFileOnHardDisk {
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lda gHardDiskRef
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beq +
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jsr CloseFile
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lda #0
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sta gHardDiskRef
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+
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}
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;-------------------------------
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; PrintHardDiskImagePath
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; print full path of file on hard disk
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;
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; in: @HardDiskImagePath is populated and has non-zero length
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; out: all registers and flags clobbered
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;-------------------------------
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!macro PrintHardDiskImagePath {
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lda HardDiskImagePath
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sta @volumelen
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ldx #0
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- lda HardDiskImagePath+1, x
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ora #$80
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jsr PrintA
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inx
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@volumelen=*+1
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cpx #$FD ; SMC
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bcc -
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lda #$8D
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jsr PrintA
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}
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