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a2d/inc/prodos.inc
Joshua Bell 157c6a3f0c Add MGTK Font file support for Preview. 
Correct docs for some DeskTop icon APIs, and improve resilience of
some of the APIs to having atypical grafports selected when called.
2019-07-26 20:44:22 -07:00

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;;; ============================================================
;;;
;;; ProDOS MLI
;;;
;;; ============================================================
;;; Entry point / Global Page
MLI := $BF00 ; Entry point
DATETIME := $BF06 ; JMP to clock routine
DEVADR := $BF10 ; Device driver addresses ($BF10-$BF2F)
NODEV := $BF10 ; "No Device Connected" entry (slot 0)
DEVNUM := $BF30 ; Most recent accessed device
DEVCNT := $BF31 ; Number of on-line devices minus 1
DEVLST := $BF32 ; Up to 14 units ($BF32-$BF3F)
BITMAP := $BF58 ; System memory bitmap
BITMAP_SIZE = $18 ; Bits for pages $00 to $BF
DATELO := $BF90 ; Date lo
DATEHI := $BF91 ; Date hi
TIMELO := $BF92 ; Time lo
TIMEHI := $BF93 ; Time hi
LEVEL := $BF94 ; File level
MACHID := $BF98 ; Machine ID
SLTBYT := $BF99 ; '1' bits indicate rom in slot (bit#)
IVERSION := $BFFD ; Interpreter Version
KVERSION := $BFFF ; ProDOS Kernel Version
;;; Patch Locations
SELECTOR := $D100
BLOCK_SIZE = $200
;;; ============================================================
;;; MLI Calls
;;; ============================================================
;;; Housekeeping Calls
CREATE = $C0
DESTROY = $C1
RENAME = $C2
SET_FILE_INFO = $C3
GET_FILE_INFO = $C4
ON_LINE = $C5
SET_PREFIX = $C6
GET_PREFIX = $C7
;;; Filing Calls
OPEN = $C8
NEWLINE = $C9
READ = $CA
WRITE = $CB
CLOSE = $CC
FLUSH = $CD
SET_MARK = $CE
GET_MARK = $CF
SET_EOF = $D0
GET_EOF = $D1
SET_BUF = $D2
GET_BUF = $D3
;;; System Calls
GET_TIME = $82
ALLOC_INTERRUPT = $40
DEALLOC_INTERRUPT = $41
QUIT = $65
;;; Direct Disk Access Commands
READ_BLOCK = $80
WRITE_BLOCK = $81
;;; ============================================================
;;; Device Types (low nibble of unit number in DEVLST)
;;; ============================================================
;;; As used by DeskTop; these are not actually correct...
DT_DISKII = $0
DT_PROFILE = $4
DT_REMOVABLE = $B
DT_RAM = $F
;;; See ProDOS Tech Note #21 - other than the above types, there
;;; is not an "ID nibble". The nibble is a copy of $CnFE's high
;;; nibble, with this meaning:
;;; bit 3 = removable
;;; bit 2 = interruptable
;;; bit 1-0 = number of volumes (0-1)
;;; "You should ignore the low nibble in the unit number..."
;;; ============================================================
;;; File Types
;;; ============================================================
FT_TYPELESS = $00
FT_BAD = $01
FT_TEXT = $04 ; ASCII Text File *
FT_BINARY = $06 ; Generic Binary File *
FT_FONT = $07 ; Font File
FT_GRAPHICS = $08 ; Graphics File
FT_DIRECTORY = $0F ; Directory *
FT_ADB = $19 ; AppleWorks Database *
FT_AWP = $1A ; AppleWorks Word Processing *
FT_ASP = $1B ; AppleWorks Spreadsheet *
FT_SRC = $B0 ; IIgs system type; re-used?
FT_S16 = $B3 ; IIgs Application Program
FT_PAS = $EF ; Pascal Area *
FT_CMD = $F0 ; ProDOS Command File *
FT_INT = $FA ; Integer BASIC Program *
FT_IVR = $FB ; Integer BASIC Variable File *
FT_BASIC = $FC ; Applesoft BASIC Program *
FT_VAR = $FD ; Applesoft BASIC Variable File *
FT_REL = $FE ; EDASM/Contiki Relocatable File *
FT_SYSTEM = $FF ; ProDOS System File *
;;; Types marked with * are known to BASIC.SYSTEM and have an
;;; associated three-letter abbreviation.
;;; ============================================================
;;; Access
;;; ============================================================
ACCESS_DEFAULT = %11000011
ACCESS_LOCKED = %00100001
;;; ============================================================
;;; Storage Types
;;; ============================================================
ST_STANDARD_FILE = $01
ST_LINKED_DIRECTORY = $0D
ST_VOLUME_DIRECTORY = $0F
;;; ============================================================
;;; Errors
;;; ============================================================
ERR_DEVICE_NOT_CONNECTED = $28
ERR_WRITE_PROTECTED = $2B
ERR_INVALID_PATHNAME = $40
ERR_INVALID_REFERENCE = $43
ERR_PATH_NOT_FOUND = $44
ERR_VOL_NOT_FOUND = $45
ERR_FILE_NOT_FOUND = $46
ERR_DUPLICATE_FILENAME= $47
ERR_OVERRUN_ERROR = $48
ERR_VOLUME_DIR_FULL = $49
ERR_END_OF_FILE = $4C
ERR_ACCESS_ERROR = $4E
ERR_DUPLICATE_VOLUME = $57
ERR_NETWORK_ERROR = $88
;;; ============================================================
;;; Misc Structures
;;; ============================================================
.struct DateTime
datelo .byte
datehi .byte
timelo .byte
timehi .byte
.endstruct
;;; ============================================================
;;; Directory Structures
;;; ============================================================
STORAGE_TYPE_MASK = $F0
NAME_LENGTH_MASK = $0F
;;; Volume Directory Header structure
.struct VolumeDirectoryHeader
prev_block .word
next_block .word
storage_type_name_length .byte
file_name .byte 15
reserved .byte 8
creation_date .word
creation_time .word
version .byte
min_version .byte
access .byte
entry_length .byte
entries_per_block .byte
file_count .word
;; same through here ---------
bit_map_pointer .word
total_blocks .word
.endstruct
.assert .sizeof(VolumeDirectoryHeader) = $2B, error, "incorrect struct size"
;;; Subdirectory Header structure
.struct SubdirectoryHeader
prev_block .word
next_block .word
storage_type_name_length .byte
file_name .byte 15
reserved .byte 8
creation_date .word
creation_time .word
version .byte
min_version .byte
access .byte
entry_length .byte
entries_per_block .byte
file_count .word
;; same through here ---------
parent_pointer .word
parent_entry_number .byte
parent_entry_length .byte
.endstruct
.assert .sizeof(SubdirectoryHeader) = $2B, error, "incorrect struct size"
;; File Entry structure
.struct FileEntry
storage_type_name_length .byte
file_name .byte 15
file_type .byte
key_pointer .word
blocks_used .word
eof .faraddr
creation_date .word
creation_time .word
version .byte
min_version .byte
access .byte
aux_type .word
mod_date .word
mod_time .word
header_pointer .word
.endstruct
.assert .sizeof(FileEntry) = $27, error, "incorrect struct size"
;;; ============================================================
;;; ProDOS Driver Protocol
;;; ============================================================
;;; Addresses for command parameters
DRIVER_COMMAND := $42
DRIVER_UNIT_NUMBER := $43
DRIVER_BUFFER := $44
DRIVER_BLOCK_NUMBER := $46
;;; Commands
DRIVER_COMMAND_STATUS = 0
DRIVER_COMMAND_READ = 1
DRIVER_COMMAND_WRITE = 2
DRIVER_COMMAND_FORMAT = 3
;;; ============================================================
;;; Macros
;;; ============================================================
.macro MLI_CALL op, addr
jsr MLI
.byte op
.addr addr
.endmacro
.macro DEFINE_OPEN_PARAMS name, pn, io, rn
.if .xmatch(.string(pn), "pathname")
;; If 'pathname' is passed then expansion yields a circular reference.
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
.endif
.if .xmatch(.string(io), "io_buffer")
.error "Can't pass 'io_buffer' label to DEFINE_*_PARAMS"
.endif
.proc name
param_count: .byte 3
pathname: .addr pn
io_buffer: .addr io
.ifnblank rn
ref_num: .byte rn
.else
ref_num: .byte 0
.endif
.endproc
.endmacro
.macro DEFINE_READ_PARAMS name, db, rc
.proc name
param_count: .byte 4
ref_num: .byte 0
data_buffer: .addr db
request_count: .word rc
trans_count: .word 0
.endproc
.endmacro
.macro DEFINE_WRITE_PARAMS name, db, rc
.proc name
param_count: .byte 4
ref_num: .byte 0
data_buffer: .addr db
request_count: .word rc
trans_count: .word 0
.endproc
.endmacro
.macro DEFINE_CLOSE_PARAMS name
.proc name
param_count: .byte 1
ref_num: .byte 0
.endproc
.endmacro
.macro DEFINE_FLUSH_PARAMS name
.proc name
param_count: .byte 1
ref_num: .byte 0
.endproc
.endmacro
.macro DEFINE_GET_FILE_INFO_PARAMS name, pn
.if .xmatch(.string(pn), "pathname")
;; If 'pathname' is passed then expansion yields a circular reference.
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
.endif
.proc name
param_count: .byte $A
pathname: .addr pn
access: .byte 0
file_type: .byte 0
aux_type: .word 0
storage_type: .byte 0
blocks_used: .word 0
mod_date: .word 0
mod_time: .word 0
create_date: .word 0
create_time: .word 0
.endproc
.endmacro
.macro DEFINE_SET_MARK_PARAMS name, pos
.proc name
param_count: .byte 2
ref_num: .byte 0
position: .faraddr pos
.endproc
.endmacro
.macro DEFINE_ON_LINE_PARAMS name, un, db
.proc name
param_count: .byte 2
.ifnblank un
unit_num: .byte un
.else
unit_num: .byte 0
.endif
data_buffer: .addr db
.endproc
.endmacro
.macro DEFINE_READ_BLOCK_PARAMS name, db, bn
.proc name
param_count: .byte 3
unit_num: .byte 0
data_buffer: .addr db
block_num: .word bn
.endproc
.endmacro
.macro DEFINE_WRITE_BLOCK_PARAMS name, db, bn
.proc name
param_count: .byte 3
unit_num: .byte 0
data_buffer: .addr db
block_num: .word bn
.endproc
.endmacro
.macro DEFINE_ALLOC_INTERRUPT_PARAMS name, ic
.proc alloc_interrupt_params
param_count: .byte 2
int_num: .byte 0
int_code: .addr ic
.endproc
.endmacro
.macro DEFINE_DEALLOC_INTERRUPT_PARAMS name
.proc dealloc_interrupt_params
param_count: .byte 1
int_num: .byte 0
.endproc
.endmacro
.macro DEFINE_QUIT_PARAMS name, ext, pathname
.proc name
param_count: .byte 4
.ifnblank ext
.byte ext
.else
.byte 0
.endif
.ifnblank pathname
.word pathname
.else
.word 0
.endif
.byte 0
.word 0
.endproc
.endmacro
.macro DEFINE_SET_PREFIX_PARAMS name, pn
.if .xmatch(.string(pn), "pathname")
;; If 'pathname' is passed then expansion yields a circular reference.
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
.endif
.proc name
param_count: .byte 1
pathname: .addr pn
.endproc
.endmacro
.macro DEFINE_GET_PREFIX_PARAMS name, pn
.if .xmatch(.string(pn), "pathname")
;; If 'pathname' is passed then expansion yields a circular reference.
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
.endif
.proc name
param_count: .byte 1
pathname: .addr pn
.endproc
.endmacro
.macro DEFINE_DESTROY_PARAMS name, pn
.if .xmatch(.string(pn), "pathname")
;; If 'pathname' is passed then expansion yields a circular reference.
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
.endif
.proc name
param_count: .byte 1
pathname: .addr pn
.endproc
.endmacro
.macro DEFINE_CREATE_PARAMS name, pn, ac, ft, at, st
.if .xmatch(.string(pn), "pathname")
;; If 'pathname' is passed then expansion yields a circular reference.
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
.endif
.proc name
param_count: .byte 7
pathname: .addr pn
.ifnblank ac
access: .byte ac
.else
access: .byte 0
.endif
.ifnblank ft
file_type: .byte ft
.else
file_type: .byte 0
.endif
.ifnblank at
aux_type: .word at
.else
aux_type: .word 0
.endif
.ifnblank st
storage_type: .byte st
.else
storage_type: .byte 0
.endif
create_date: .word 0
create_time: .word 0
.endproc
.endmacro
.macro DEFINE_SET_EOF_PARAMS name, eo
.proc name
param_count: .byte 2
ref_num: .byte 0
eof: .faraddr eo
.endproc
.endmacro
.macro DEFINE_GET_EOF_PARAMS name
.proc name
param_count: .byte 2
ref_num: .byte 0
eof: .faraddr 0
.endproc
.endmacro
.macro DEFINE_RENAME_PARAMS name, pn, np
.if .xmatch(.string(pn), "pathname")
;; If 'pathname' is passed then expansion yields a circular reference.
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
.endif
.proc name
param_count: .byte 2
pathname: .addr pn
new_pathname: .addr np
.endproc
.endmacro
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