wip
This commit is contained in:
Joshua Bell
parent
5590f2ff16
commit
42dc31e40e
5
Makefile
5
Makefile
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@ -5,7 +5,7 @@ CCFLAGS = --config apple2-asm.cfg
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OUTDIR = out
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TARGETS = $(OUTDIR)/chtype.BIN
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TARGETS = $(OUTDIR)/path.BIN
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.PHONY: clean all
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all: $(OUTDIR) $(TARGETS)
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@ -27,3 +27,6 @@ $(OUTDIR)/%.o: %.s $(HEADERS)
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$(OUTDIR)/%.BIN $(OUTDIR)/%.SYS: $(OUTDIR)/%.o
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$(CC65)/ld65 $(CCFLAGS) -o $@ $<
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xattr -wx prodos.AuxType '00 20' $@
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$(OUTDIR)/%.CMD: $(OUTDIR)/%.o
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$(CC65)/ld65 $(CCFLAGS) -o $@ $<
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32
README.md
32
README.md
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@ -1,30 +1,28 @@
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# chtype - change file type command for ProDOS
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# path - CMD executable path command for ProDOS
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Build with [ca65](https://cc65.github.io/doc/ca65.html)
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Installation:
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* Copy target to ProDOS disk
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* From BASIC.SYSTEM prompt, run: `-CHTYPE` from STARTUP (or by hand)
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* From BASIC.SYSTEM prompt, run: `-PATH` from STARTUP (or by hand)
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Usage:
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```
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CHTYPE pathname[,Ttype][,Aauxtype][,S#][,D#]
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PATH - view current search path
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PATH prefix - set search path
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```
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Examples:
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* `CHTYPE` - show current type/auxtype
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* `CHTYPE pic,T$08` - set just type
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* `CHTYPE file,A$0640` - set just auxtype
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* `CHTYPE now_basic,TBAS,A$801` - set both type and auxtype
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* `CHTYPE /root/was_bin,TSYS` - works with absolute paths
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* `CHTYPE as_text,TTXT,S6,D1` - can use slot/drive arguments too
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Once set, binary files of type `CMD` in the specified directory can be invoked by name. The command line will be present at $200 (GETLN input buffer).
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Example:
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```
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] -/hd/path - install it
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] PATH /hd/cmds - set PATH
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] PATH - verify path
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/hd/cmds
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] BELL - will invoke /hd/cmds/BELL if present
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```
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Notes:
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* Allocates a 1 page buffer to store the code
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* Relative or absolute paths can be used
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* Can be invoked as lower case (e.g. `chtype ...`)
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Resources:
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* [File Types Table](http://www.easy68k.com/paulrsm/6502/PDOS8TRM.HTM#B-1T) - [ProDOS 8 Technical Reference Manual](http://www.easy68k.com/paulrsm/6502/PDOS8TRM.HTM)
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* [File Types](https://www.kreativekorp.com/miscpages/a2info/filetypes.shtml) - [Jon Relay's Apple II Info Archives](https://www.kreativekorp.com/miscpages/a2info/)
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* [ProDOS File Types 2.0](https://macgui.com/kb/article/116) - [Mac GUI](https://macgui.com)
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* Can be invoked as lower case (e.g. `path ...`)
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215
path.s
215
path.s
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@ -1,17 +1,6 @@
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;;; ============================================================
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;;;
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;;; CHTYPE - File type changing command for ProDOS-8
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;;;
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;;; Install:
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;;; -CHTYPE (from BASIC.SYSTEM prompt)
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;;; Usage:
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;;; CHTYPE filename[,Ttype][,Aaux][,S#][,D#]
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;;;
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;;; * filename can be relative or absolute path
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;;; * specify T$nn to set file type
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;;; * specify A$nnnn to set aux type info
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;;; * type can be BIN, SYS, TXT (etc) or $nn
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;;; * with neither T nor A option, prints current values
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;;; PATH
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;;;
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;;; Build with: ca65 - https://cc65.github.io/doc/ca65.html
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;;;
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@ -19,6 +8,8 @@
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.org $2000
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.include "prodos.inc"
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;;; ============================================================
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INBUF := $200 ; GETLN input buffer
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@ -27,69 +18,8 @@ INBUF := $200 ; GETLN input buffer
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;;; Monitor ROM routines
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CROUT := $FD8E
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PRBYTE := $FDDA
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COUT := $FDED
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;;; ============================================================
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;;; ProDOS MLI / Global Page
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SET_FILE_INFO = $C3
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GET_FILE_INFO = $C4
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DATE := $BF90
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;;; ============================================================
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;;; BASIC.SYSTEM Global Page
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EXTRNCMD := $BE06 ; External command jmp vector
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ERROUT := $BE09 ; Error routine jmp vector
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XTRNADDR := $BE50 ; Ext cmd implementation addr
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XLEN := $BE52 ; Length of command string minus 1
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XCNUM := $BE53 ; Command number (ext cmd = 0).
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PBITS := $BE54 ; Command parameter bits
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FBITS := $BE56 ; Found parameter bits
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.enum PBitsFlags
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;; PBITS
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PFIX = $80 ; Prefix needs fetching
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SLOT = $40 ; No parameters to be processed
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RRUN = $20 ; Command only valid during program
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FNOPT = $10 ; Filename is optional
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CRFLG = $08 ; CREATE allowed
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T = $04 ; File type
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FN2 = $02 ; Filename '2' for RENAME
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FN1 = $01 ; Filename expected
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;; PBITS+1
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AD = $80 ; Address
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B = $40 ; Byte
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E = $20 ; End address
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L = $10 ; Length
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LINE = $08 ; '@' line number
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SD = $04 ; Slot and drive numbers
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F = $02 ; Field
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R = $01 ; Record
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;; Setting SD in PBITS+1 enables desired automatic behavior: if
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;; a relative path is given, an appropriate prefix is computed,
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;; using S# and D# options if supplied. Without this, absolute
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;; paths must be used if no prefix is set.
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.endenum
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VADDR := $BE58 ; Address parameter
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VSLOT := $BE61 ; Slot parameter
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VTYPE := $BE6A ; Type parameter
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VPATH1 := $BE6C ; Pathname buffer
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GOSYSTEM := $BE70 ; Use instead of MLI
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SSGINFO := $BEB4 ; Get/Set Info Parameter block
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FIFILID := $BEB8 ; (set size to set=7 or get=$A)
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FIAUXID := $BEB9
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FIMDATE := $BEBE
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GETBUFR := $BEF5
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;;; ============================================================
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;; Save previous external command address
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@ -107,9 +37,11 @@ GETBUFR := $BEF5
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:
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;; A = MSB of new page - update absolute addresses
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;; (aligned to page boundary so only MSB changes)
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sta page_num1
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sta page_num2
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sta page_num3
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ldx relocation_table
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: ldy relocation_table+1,x
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sta handler,y
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dex
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bpl :-
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;; Install new address in external command address
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sta EXTRNCMD+2
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@ -150,7 +82,7 @@ nxtchr: lda INBUF,x
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page_num1 := *+2 ; address needing updating
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: cmp command_string,x
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bne not_ours
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bne not_path
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inx
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cpx #command_length
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bne nxtchr
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@ -170,12 +102,12 @@ nxtchr: lda INBUF,x
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lda #0
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sta XCNUM
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;; Set accepted parameter flags (Name, Type, Address)
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;; Set accepted parameter flags (Name, Slot/Drive)
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lda #PBitsFlags::T | PBitsFlags::FN1 ; Filename and Type
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lda #PBitsFlags::FN1 ; Filename
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sta PBITS
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lda #PBitsFlags::AD | PBitsFlags::SD ; Address, Slot & Drive handling
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lda #PBitsFlags::SD ; Slot & Drive handling
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sta PBITS+1
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clc ; Success (so far)
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@ -183,6 +115,10 @@ nxtchr: lda INBUF,x
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;;; ============================================================
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not_path:
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;;; ============================================================
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not_ours:
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sec ; Signal failure...
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next_command := *+1
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@ -195,89 +131,43 @@ execute:
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lda FBITS
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and #PBitsFlags::FN1 ; Filename?
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bne :+
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lda #$10 ; SYNTAX ERROR
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sec
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rts1: rts
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:
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bne set_path
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;;; --------------------------------------------------
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;; Show current path
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;; Get the existing file info
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lda #$A
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sta SSGINFO
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lda #GET_FILE_INFO
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jsr GOSYSTEM
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bcs rts1
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;;; --------------------------------------------------
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;; Apply options
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ldy #0 ; count number of options
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;; Apply optional Type argument as new file type
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lda FBITS
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and #PBitsFlags::T ; Type set?
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beq :+
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iny
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lda VTYPE
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sta FIFILID
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:
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;; Apply optional Address argument as new aux type
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lda FBITS+1
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and #PBitsFlags::AD ; Address set?
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beq :+
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iny
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lda VADDR
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sta FIAUXID
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lda VADDR+1
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sta FIAUXID+1
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:
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;; If no options were used, show current details instead.
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cpy #0
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beq show
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;; Apply current date/time
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ldx #3
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: lda DATE,x
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sta FIMDATE,x
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dex
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ldx #0
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page_num3 := *+2
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: cpx path_buffer
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beq done
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page_num4 := *+2
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lda path_buffer+1,x
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ora #$80
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jsr COUT
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inx
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bpl :-
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;; Set new file info
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lda #$7
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sta SSGINFO
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lda #SET_FILE_INFO
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jmp GOSYSTEM
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jsr CROUT
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done: clc
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rts
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;;; --------------------------------------------------
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;; Set path
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set_path:
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ptr := $06
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lda VPATH1
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sta ptr
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ldx VPATH1+1
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sta ptr+1
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show:
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lda #'T'|$80
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jsr COUT
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lda #'='|$80
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jsr COUT
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lda #'$'|$80
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jsr COUT
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lda VTYPE
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jsr PRBYTE
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jsr CROUT
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lda #'A'|$80
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jsr COUT
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lda #'='|$80
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jsr COUT
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lda #'$'|$80
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jsr COUT
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lda VADDR+1
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jsr PRBYTE
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lda VADDR
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jsr PRBYTE
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jsr CROUT
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ldy #0
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lda (ptr),y
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tay
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: lda (ptr),y
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page_num5 := *+2
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sta path_buffer,y
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dey
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bpl :-
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clc
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rts
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@ -285,11 +175,20 @@ show:
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;;; Data
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command_string:
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.byte "CHTYPE" ; Command string
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.byte "PATH" ; Command string
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command_length = *-command_string
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path_buffer:
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.res 65, 0
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.endproc
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.assert .sizeof(handler) <= $100, error, "Must fit on one page"
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page_num1 := handler::page_num1
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page_num2 := handler::page_num2
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next_command := handler::next_command
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relocation_table:
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.byte 5
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.byte <handler::page_num1
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.byte <handler::page_num2
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.byte <handler::page_num3
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.byte <handler::page_num4
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.byte <handler::page_num5
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@ -0,0 +1,53 @@
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;;; ============================================================
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;;; ProDOS MLI / Global Page
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GET_FILE_INFO = $C4
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;;; ============================================================
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;;; BASIC.SYSTEM Global Page
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EXTRNCMD := $BE06 ; External command jmp vector
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ERROUT := $BE09 ; Error routine jmp vector
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XTRNADDR := $BE50 ; Ext cmd implementation addr
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XLEN := $BE52 ; Length of command string minus 1
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XCNUM := $BE53 ; Command number (ext cmd = 0).
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PBITS := $BE54 ; Command parameter bits
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FBITS := $BE56 ; Found parameter bits
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.enum PBitsFlags
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;; PBITS
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PFIX = $80 ; Prefix needs fetching
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SLOT = $40 ; No parameters to be processed
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RRUN = $20 ; Command only valid during program
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FNOPT = $10 ; Filename is optional
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CRFLG = $08 ; CREATE allowed
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T = $04 ; File type
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FN2 = $02 ; Filename '2' for RENAME
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FN1 = $01 ; Filename expected
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;; PBITS+1
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AD = $80 ; Address
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B = $40 ; Byte
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E = $20 ; End address
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L = $10 ; Length
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LINE = $08 ; '@' line number
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SD = $04 ; Slot and drive numbers
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F = $02 ; Field
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R = $01 ; Record
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;; Setting SD in PBITS+1 enables desired automatic behavior: if
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;; a relative path is given, an appropriate prefix is computed,
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;; using S# and D# options if supplied. Without this, absolute
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;; paths must be used if no prefix is set.
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.endenum
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VPATH1 := $BE6C ; Pathname buffer
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GOSYSTEM := $BE70 ; Use instead of MLI
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SSGINFO := $BEB4 ; Get Info Parameter block
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FIFILID := $BEB8 ; (set size $A)
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GETBUFR := $BEF5
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