mirror of
https://github.com/a2stuff/prodos-drivers.git
synced 2024-12-22 05:29:54 +00:00
103 lines
2.4 KiB
PHP
103 lines
2.4 KiB
PHP
;;; ------------------------------------------------------------
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;;; ProDOS MLI
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;;; ------------------------------------------------------------
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;;; ------------------------------------------------------------
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;;; ProDOS Global Page
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MLI := $BF00 ; Entry point
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DEVNUM := $BF30 ; Most recent accessed device
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DEVCNT := $BF31 ; Number of on-line devices minus 1
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DEVLST := $BF32 ; Up to 14 units
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BITMAP := $BF58
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BITMAP_SIZE := $18 ; Bits for pages $00 to $BF
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DATELO := $BF90 ; Date lo
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DATEHI := $BF91 ; Date hi
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TIMELO := $BF92 ; Time lo
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TIMEHI := $BF93 ; Time hi
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;;; ------------------------------------------------------------
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;;; MLI Calls
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;;; Housekeeping Calls
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CREATE := $C0
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DESTROY := $C1
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RENAME := $C2
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SET_FILE_INFO := $C3
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GET_FILE_INFO := $C4
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ON_LINE := $C5
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SET_PREFIX := $C6
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GET_PREFIX := $C7
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;;; Filing Calls
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OPEN := $C8
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NEWLINE := $C9
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READ := $CA
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WRITE := $CB
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CLOSE := $CC
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FLUSH := $CD
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SET_MARK := $CE
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GET_MARK := $CF
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SET_EOF := $D0
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GET_EOF := $D1
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SET_BUF := $D2
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GET_BUF := $D3
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;;; System Calls
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GET_TIME := $82
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ALLOC_INTERRUPT := $40
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DEALLOC_INTERRUPT := $41
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QUIT := $65
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;;; Direct Disk Access Commands
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READ_BLOCK := $80
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WRITE_BLOCK := $71
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;;; ------------------------------------------------------------
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;;; File Types
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FT_TYPELESS := $00
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FT_BAD := $01
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FT_TEXT := $04
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FT_BINARY := $06
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FT_DIRECTORY := $0F
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FT_SRC := $B0 ; IIgs system type; re-used?
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FT_BASIC := $FC
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FT_SYSTEM := $FF
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;;; ------------------------------------------------------------
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;;; Macros
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.macro MLI_CALL op, addr
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jsr MLI
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.byte op
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.addr addr
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.endmacro
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;;; ------------------------------------------------------------
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;;; Structures
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.scope DirectoryHeader
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entry_length := $23
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entries_per_block := $24
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file_count := $25
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size := $2B
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.endscope
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.scope FileEntry
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storage_type := $00 ; high nibble
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name_length := $00 ; low nibble
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file_name := $01
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file_type := $10
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access := $1E
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.endscope
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.scope FileType
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Directory := $0F
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System := $FF
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.endscope
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