mirror of
https://github.com/a2stuff/prodos-drivers.git
synced 2024-12-22 05:29:54 +00:00
120 lines
3.3 KiB
PHP
120 lines
3.3 KiB
PHP
;;; ------------------------------------------------------------
|
|
;;; ASCII
|
|
|
|
BELL := $07
|
|
CR := $0D
|
|
|
|
;;; ------------------------------------------------------------
|
|
;;; Constants
|
|
|
|
MAX_DW := $FFFF
|
|
|
|
|
|
;;; ------------------------------------------------------------
|
|
;;; Softswitches
|
|
|
|
CLR80VID := $C00C ; 40 Columns
|
|
ROMIN2 := $C082 ; Read ROM; no write
|
|
RWRAM1 := $C08B ; Read/write RAM bank 1
|
|
|
|
;;; ------------------------------------------------------------
|
|
;;; ProDOS
|
|
|
|
PRODOS := $BF00
|
|
DATETIME := $BF06
|
|
DEVNUM := $BF30
|
|
BITMAP := $BF58
|
|
BITMAP_SIZE := 24 ; 24 bytes in system bit map
|
|
DATELO := $BF90
|
|
TIMELO := $BF92
|
|
MACHID := $BF98
|
|
|
|
SYS_ADDR := $2000 ; Load address for SYSTEM files
|
|
PATHNAME := $0280 ; Pathname of loaded system file
|
|
|
|
;;; MLI commands
|
|
MLI_QUIT := $65
|
|
MLI_READ_BLOCK := $80
|
|
MLI_OPEN := $C8
|
|
MLI_READ := $CA
|
|
MLI_CLOSE := $CC
|
|
|
|
.macro PRODOS_CALL call, params
|
|
jsr PRODOS
|
|
.byte call
|
|
.addr params
|
|
.endmacro
|
|
|
|
;;; Volume Directory Block Header structure
|
|
.scope VolumeDirectoryBlockHeader
|
|
prev_block := $00
|
|
next_block := $02
|
|
entry_length := $23
|
|
entries_per_block := $24
|
|
header_length := $2B
|
|
.endscope
|
|
|
|
;; File Entry structure
|
|
.scope FileEntry
|
|
storage_type := $00
|
|
name_length := $00
|
|
file_name := $01
|
|
file_type := $10
|
|
.endscope
|
|
|
|
;;; ------------------------------------------------------------
|
|
;;; Monitor
|
|
|
|
INIT := $FB2F
|
|
MON_HOME := $FC58
|
|
CROUT := $FD8E
|
|
PRBYTE := $FDDA
|
|
COUT := $FDED
|
|
SETNORM := $FE84
|
|
SETKBD := $FE89
|
|
SETVID := $FE93
|
|
|
|
;;; ------------------------------------------------------------
|
|
;;; I/O Registers (for Slot 2)
|
|
|
|
TDREG := $C088 + $20 ; ACIA Transmit Register (write)
|
|
RDREG := $C088 + $20 ; ACIA Receive Register (read)
|
|
STATUS := $C089 + $20 ; ACIA Status/Reset Register
|
|
COMMAND := $C08A + $20 ; ACIA Command Register (read/write)
|
|
CONTROL := $C08B + $20 ; ACIA Control Register (read/write)
|
|
|
|
;;; ------------------------------------------------------------
|
|
|
|
;;; Length-prefixed string
|
|
.macro PASCAL_STRING arg
|
|
.byte .strlen(arg)
|
|
.byte arg
|
|
.endmacro
|
|
|
|
;;; ------------------------------------------------------------
|
|
|
|
;;; Define a string with high bits set
|
|
;;; e.g. HIASCII "Ding ding", $7, $7
|
|
.macro HIASCII arg, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9
|
|
.if .blank(arg)
|
|
.exitmacro
|
|
.endif
|
|
.if .match ({arg}, "") ; string?
|
|
.repeat .strlen(arg), i
|
|
.byte .strat(arg, i) | $80
|
|
.endrep
|
|
.else ; otherwise assume number/char/identifier
|
|
.byte (arg | $80)
|
|
.endif
|
|
HIASCII arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9
|
|
.endmacro
|
|
|
|
;;; Like HIASCII, but null-terminated
|
|
.macro HIASCIIZ arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9
|
|
HIASCII arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9
|
|
.byte 0
|
|
.endmacro
|
|
|
|
;;; Set the high bit on the passed byte
|
|
.define HI(c) ((c)|$80)
|