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36 lines
1.2 KiB
Plaintext
36 lines
1.2 KiB
Plaintext
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; C02 filesys.h02 assembly language subroutines
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; Requires external functions ...
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; external zero page locations ...
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; and external locations ...
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;remove(drv, &filnam) - Remove File filnam
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;Args: A = Drive Identifier
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; Y,X = Address of Directory Name String
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;Returns: A = Error Code (0 = None)
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REMOVE: ;Return Error - Not Implemented (Fall Through)
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;rename(drv, &filnam) - Rename File to filnam
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;Setup: Call FSNAME with Address of Old Name
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;Args: A = Drive Identifier
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; Y,X = Address of Directory Name String
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;Returns: A = Error Code (0 = None)
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RENAME: ;Return Error - Not Implemented (Fall Through)
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;inidrv(drv) - Initialize Disk Drive
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;Args: A = Drive Identifier
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;Returns: A = Error Code (0 = None)
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INIDRV: ;Return Error - Not Implemented (Fall Through)
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;chdrv() - Set Current Drive/Disk
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;Args: A = Drive# | Disk#
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;Returns: A = Result (0 - Success)
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; Y = Error Code (0 = None)
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CHDRV: LDA #$FF ;Return Result - Failure
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TAY ;and Error - Not Implemented
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RTS
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;getdrv() - Get Current Drive/Disk
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;Returns: A = Drive# | Disk# (0=Failure)
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; Y = Error Code (0 = None)
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GETDRV: ;Return Error - Not Implemented (Fall Through)
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