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61474a874f
and link. However, it does not work yet and thus still needs work. The *.asm files have had the following common changes: - 'keep' lines were eliminated - the 'mcopy' now takes the macro from the /obj/gno/bin/gsh directory. This is in anticipation of having the macro files generated from a single source file; there is a large amount of duplication. For the moment, the makefile merely copies the old macro files from the "M" directory to the /obj/gno/bin/gsh directory. - start each file with a dummy routine so that the source code winds up in the *.o rather than the *.root file. - added the 'setcom 60' directive; there were many source lines that were otherwise getting truncated. The makefile is a complete rewrite.
1962 lines
33 KiB
NASM
1962 lines
33 KiB
NASM
**************************************************************************
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*
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* The GNO Shell Project
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*
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* Developed by:
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* Jawaid Bazyar
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* Tim Meekins
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*
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* $Id: edit.asm,v 1.2 1998/04/24 15:38:14 gdr-ftp Exp $
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*
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**************************************************************************
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*
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* EDIT.ASM
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* By Tim Meekins
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*
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* The GNO/Shell command-line editor
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*
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**************************************************************************
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mcopy /obj/gno/bin/gsh/edit.mac
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dummy start ; ends up in .root
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end
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setcom 60
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RAW gequ $20
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CRMOD gequ $10
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ECHO gequ $08
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CBREAK gequ $02
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TANDEM gequ $01
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OAMAP gequ 0001 /* map OA-key to some sequence */
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OA2META gequ 0002 /* map OA-key to meta-key */
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OA2HIBIT gequ 0004 /* map OA-key to key|0x80 */
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VT100ARROW gequ 0008 /* map arrows to vt100 arrows */
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TIOCGETP gequ $40067408
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TIOCSETP gequ $80067409
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TIOCGETK gequ $40027414
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TIOCSETK gequ $80027413
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TIOCGLTC gequ $40067474
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TIOCSLTC gequ $80067475
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cmdbuflen gequ 1024
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; editor key commands
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undefined_char gequ 0 ;<- DO NOT CHANGE THIS DEFINITION
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raw_char gequ 1 ;<- DO NOT CHANGE THIS DEFINITION
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map_char gequ 2
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backward_char gequ 3
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forward_char gequ 4
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up_history gequ 5
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down_history gequ 6
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beginning_of_line gequ 7
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end_of_line gequ 8
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complete_word gequ 9
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newline_char gequ 10
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clear_screen gequ 11
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redisplay gequ 12
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kill_whole_line gequ 13
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lead_in gequ 14
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backward_delete_char gequ 15
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backward_word gequ 16
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forward_word gequ 17
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list_choices gequ 18
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kill_end_of_line gequ 19
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toggle_cursor gequ 20
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delete_char gequ 21
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**************************************************************************
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*
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* get a command line from the user
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*
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**************************************************************************
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GetCmdLine START
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using global
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using HistoryData
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using pdata
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using keybinddata
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using termdata
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using vardata
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stz signalled
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stz cmdlen
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stz cmdloc
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stz currenthist
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stz currenthist+2
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ioctl (#1,#TIOCGETP,#oldsgtty)
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ioctl (#1,#TIOCGETP,#newsgtty)
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lda #CBREAK+CRMOD
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sta sg_flags
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ioctl (#1,#TIOCSETP,#newsgtty)
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ioctl (#1,#TIOCGETK,#oldttyk)
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ioctl (#1,#TIOCSETK,#newttyk)
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ioctl (#1,#TIOCGLTC,#oldltc)
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ioctl (#1,#TIOCGLTC,#newltc)
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short m
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lda #-1
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sta newltc+1
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long m
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ioctl (#1,#TIOCSLTC,#newltc)
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cmdloop lda #keybindtab
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sta 0
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lda #^keybindtab
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sta 2
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nextchar jsr cursoron
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jsr flush
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jsr getchar
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sta 4
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ldx signalled
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beq nextchar2
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jsr cmdsig
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; bra cmdloop
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nextchar2 jsr cursoroff
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lda 4
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cmp #-1
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beq eof
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cmp #4 ;CTL-D
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bne findcmd
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eof ldx cmdlen
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bne findcmd
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lda varignore
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bne findcmd
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jsr cursoron
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ioctl (#1,#TIOCSETP,#oldsgtty)
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ioctl (#1,#TIOCSETK,#oldttyk)
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ioctl (#1,#TIOCSLTC,#oldltc)
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sec
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rts
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findcmd asl a
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sta addidx+1
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asl a
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addidx adc #0
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tay
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lda [0],y ;get the type of key this is
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asl a
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tax
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jsr (keytab,x)
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jmp cmdloop
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keytab dc i'beep' ;undefined-char
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dc i'cmdraw' ;raw-char
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dc i'cmdloop' ;map-char
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dc i'cmdleft' ;backward-char
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dc i'cmdright' ;forward-char
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dc i'PrevHistory' ;up-history
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dc i'NextHistory' ;down-history
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dc i'cmdbegin' ;beginning-of-line
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dc i'cmdend' ;end-of-line
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dc i'dotab' ;complete-word
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dc i'cmdnewline' ;newline
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dc i'cmdclearscrn' ;clear-screen
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dc i'cmdredraw' ;redisplay
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dc i'cmdclrline' ;kill-whole-line
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dc i'cmdleadin' ;lead-in
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dc i'cmdbackdel' ;backward-delete-char
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dc i'cmdleftword' ;backward-word
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dc i'cmdrightword' ;forward-word
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dc i'cmdmatch' ;list-choices
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dc i'cmdclreol' ;kill-end-of-line
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dc i'cmdcursor' ;toggle-cursor
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dc i'cmddelchar' ;delete-char
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;-------------------------------------------------------------------------
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;
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; it's multiple character command
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;
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;-------------------------------------------------------------------------
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cmdleadin pla ;kill return address
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iny
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iny
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lda [0],y
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tax
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iny
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iny
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lda [0],y
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sta 0+2
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stx 0
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jmp nextchar
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;-------------------------------------------------------------------------
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;
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; Insert or overwrite an alphanum character
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;
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;-------------------------------------------------------------------------
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cmdraw lda cmdlen
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cmp #cmdbuflen
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bcc cmIns0
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jmp beep
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cmIns0 lda insertflag
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beq cmOver ;Do overstrike mode
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short a
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ldy cmdlen
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cmIns1 cpy cmdloc
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beq cmins2
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bcc cmIns2
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lda cmdline-1,y
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sta cmdline,y
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dey
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bra cmIns1
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cmIns2 long a
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inc cmdlen
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;
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; Place character in string and output
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;
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cmOver lda 4
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ldy cmdloc ;Do overstrike mode
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short a
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sta cmdline,y
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long a
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iny
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sty cmdloc
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jsr putchar
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ldy cmdloc
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cpy cmdlen
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bcc cmdov2
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beq cmdov2
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sty cmdlen
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;
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; Redraw shifted text
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;
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cmdov2 lda insertflag
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cmp #0
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bne cmdov2a
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rts
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cmdov2a ldx #0
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cmdov3 if2 @y,eq,cmdlen,cmdov4
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lda cmdline,y
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iny
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inx
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phx
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phy
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jsr putchar
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ply
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plx
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bra cmdov3
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cmdov4 jmp moveleft
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;-------------------------------------------------------------------------
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;
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; If the shell is interrupted during an edit
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;
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;-------------------------------------------------------------------------
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cmdsig stz signalled
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jmp cmdredraw
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;-------------------------------------------------------------------------
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;
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; end of command...newline
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;
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;-------------------------------------------------------------------------
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cmdnewline pla ;pull off return address
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sec
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lda cmdlen
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sbc cmdlen
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tax
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jsr moveright
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ldx cmdlen ;strip trailing space
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beq retdone
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fix dex
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lda cmdline,x
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and #$FF
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if2 @a,eq,#' ',fix
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fix0 inx
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stx cmdlen
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stz cmdline,x ;terminate string
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txy
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beq retdone
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ph4 #cmdline
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jsl InsertHistory
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retdone ioctl (#1,#TIOCSETP,#oldsgtty)
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ioctl (#1,#TIOCSETK,#oldttyk)
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ioctl (#1,#TIOCSLTC,#oldltc)
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clc
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rts
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;-------------------------------------------------------------------------
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;
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; moved character to the left
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;
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;-------------------------------------------------------------------------
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cmdleft lda cmdloc
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bne ctl0a
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jmp beep
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ctl0a dec a
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sta cmdloc
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ldx #1
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jmp moveleft
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;-------------------------------------------------------------------------
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;
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; move character to the right
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;
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;-------------------------------------------------------------------------
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cmdright ldy cmdloc
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if2 @y,ne,cmdlen,ctl1a
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jmp beep
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ctl1a lda cmdline,y
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jsr putchar
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inc cmdloc
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rts
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;-------------------------------------------------------------------------
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;
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; show matching files
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;
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;-------------------------------------------------------------------------
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cmdmatch lda cmdlen
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beq dontdomatch
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jsr domatcher
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jmp cmdredraw
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dontdomatch rts
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;-------------------------------------------------------------------------
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;
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; Clear entire input line
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;
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;-------------------------------------------------------------------------
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cmdclrline ldx cmdloc
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jsr moveleft
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stz cmdloc ;fall through to cmdclreol
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;-------------------------------------------------------------------------
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;
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; Clear to end of line
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;
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;-------------------------------------------------------------------------
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cmdclreol lda cdcap
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ora cdcap
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beq ctl4a0
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tputs (cdcap,#1,#outc)
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bra ctl4g
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ctl4a0 sub2 cmdlen,cmdloc,@a
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inc a
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tax
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tay
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phx
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ctl4a phy
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lda #' '
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jsr putchar
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ply
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dey
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bne ctl4a
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plx
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jsr moveleft
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ctl4g lda cmdloc
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sta cmdlen
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rts
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;-------------------------------------------------------------------------
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;
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; redraw command-line
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;
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;-------------------------------------------------------------------------
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cmdredraw jsr newline
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redraw2 jsl WritePrompt
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ldx cmdlen
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stz cmdline,x
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ldx #^cmdline
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lda #cmdline
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jsr puts
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sec
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lda cmdlen
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sbc cmdloc
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tax
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jmp moveleft
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;-------------------------------------------------------------------------
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;
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; clear screen
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;
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;-------------------------------------------------------------------------
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cmdclearscrn jsr clearscrn
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bra redraw2
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;-------------------------------------------------------------------------
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;
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; Insert toggle
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;
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;-------------------------------------------------------------------------
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cmdcursor eor2 insertflag,#1,insertflag
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rts
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;-------------------------------------------------------------------------
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;
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; delete character to left
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;
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;-------------------------------------------------------------------------
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cmdbackdel lda cmdloc
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bne ctldel2
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jmp beep
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ctldel2 dec a
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sta cmdloc
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ldx #1
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jsr moveleft ;fall through to cmddelchar
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;-------------------------------------------------------------------------
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;
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; Delete character under cursor
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;
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;-------------------------------------------------------------------------
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cmddelchar ldy cmdloc
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if2 @y,ne,cmdlen,cmdoa2a
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rts
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cmdoa2a short a
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cmdoa2aa if2 @y,eq,cmdlen,cmdoa2b
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lda cmdline+1,y
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sta cmdline,y
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iny
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bra cmdoa2aa
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cmdoa2b lda #' '
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sta cmdline-1,y
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sta cmdline,y
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long a
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ldy cmdloc
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ldx #0
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cmdoa2c if2 @y,eq,cmdlen,cmdoa2e
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bcs cmdoa2d
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cmdoa2e lda cmdline,y
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iny
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inx
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phx
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phy
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jsr putchar
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ply
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plx
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bra cmdoa2c
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cmdoa2d jsr moveleft
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dec cmdlen
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rts
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;-------------------------------------------------------------------------
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;
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; Jump to beginning of line
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;
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;-------------------------------------------------------------------------
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cmdbegin ldx cmdloc
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stz cmdloc
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jmp moveleft
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;-------------------------------------------------------------------------
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;
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; Jump to end of line
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;
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;-------------------------------------------------------------------------
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cmdend if2 cmdloc,eq,cmdlen,cmdoa4a
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ldx #1
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jsr moveright
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inc cmdloc
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bra cmdend
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cmdoa4a rts
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;-------------------------------------------------------------------------
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;
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; Left one word
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;
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;-------------------------------------------------------------------------
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cmdleftword lda cmdloc
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bne cmdoa5a
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jsr beep
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cmdoa5z rts
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cmdoa5a dec a
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sta cmdloc
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cmdoa5b ldx #1
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jsr moveleft
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ldy cmdloc
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beq cmdoa5z
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lda cmdline,y
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and #$FF
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cmp #' '
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bne cmdoa5c
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dec cmdloc
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bra cmdoa5b
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cmdoa5c ldy cmdloc
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beq cmdoa5z
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lda cmdline-1,y
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and #$FF
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cmp #' '
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beq cmdoa5z
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dec cmdloc
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ldx #1
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jsr moveleft
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bra cmdoa5c
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;-------------------------------------------------------------------------
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;
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; Move one word to the right
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;
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;-------------------------------------------------------------------------
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cmdrightword if2 cmdloc,ne,cmdlen,cmdoa6a
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jsr beep
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cmdoa6z rts
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cmdoa6a inc a
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sta cmdloc
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cmdoa6b ldx #1
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jsr moveright
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ldy cmdloc
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if2 @y,eq,cmdlen,cmdoa6z
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lda cmdline,y
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and #$FF
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cmp #' '
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beq cmdoa6c
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inc cmdloc
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bra cmdoa6b
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cmdoa6c ldy cmdloc
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if2 @y,eq,cmdlen,cmdoa6z
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lda cmdline,y
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and #$FF
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cmp #' '
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bne cmdoa6z
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inc cmdloc
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ldx #1
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jsr moveright
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bra cmdoa6c
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oldsgtty dc i1'0'
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dc i1'0'
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dc i1'0'
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dc i1'0'
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dc i2'0'
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newsgtty dc i1'0'
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dc i1'0'
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dc i1'0'
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dc i1'0'
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sg_flags dc i2'0'
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oldttyk dc i2'0'
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newttyk dc i2'OAMAP+OA2META+VT100ARROW'
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oldltc ds 6
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newltc ds 6
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END
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;=========================================================================
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;
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; ^D file matcher
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;
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;=========================================================================
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domatcher START
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using global
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jsr wordmatch
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lda nummatch
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bne m1
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jmp beep
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;
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; move to end of command-line
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;
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m1 sec
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lda cmdlen
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sbc cmdloc
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tax
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jsr moveright
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jsr newline
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;
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; start displaying each match
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;
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lda #0
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m4 pha
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asl a
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asl a
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tay
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lda matchbuf,y
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ldx matchbuf+2,y
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jsr puts
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lda #' '
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jsr putchar
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pla
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inc a
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cmp nummatch
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bne m4
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jsr newline
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jmp clearword
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END
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;=========================================================================
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;
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; command line expansion
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;
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;=========================================================================
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dotab START
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|
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using global
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p equ 0
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jsr wordmatch
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lda nummatch
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bne t1
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meepmeep jmp beep
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|
;
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; only one! trivial case!
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;
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t1 dec a
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bne t2
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t1b mv4 matchbuf,p
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ldy wordlen
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t1a lda [p],y
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and #$FF
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jeq completed
|
|
sta oldchar
|
|
phy
|
|
jsr insertcmd
|
|
ply
|
|
iny
|
|
bra t1a
|
|
;
|
|
; one at a time
|
|
;
|
|
t2 jsr dofignore
|
|
lda nummatch
|
|
beq meepmeep
|
|
dec a
|
|
beq t1b
|
|
mv4 matchbuf,p
|
|
lda char
|
|
sta oldchar
|
|
ldy wordlen
|
|
lda [p],y
|
|
and #$FF
|
|
sta char2
|
|
jsr tolower
|
|
sta char
|
|
lda #0
|
|
t3 pha
|
|
asl a
|
|
asl a
|
|
tay
|
|
lda matchbuf,y
|
|
sta p
|
|
lda matchbuf+2,y
|
|
sta p+2
|
|
ldy wordlen
|
|
lda [p],y
|
|
and #$FF
|
|
jsr tolower
|
|
cmp char
|
|
bne honk
|
|
pla
|
|
inc a
|
|
cmp nummatch
|
|
bne t3
|
|
lda char2
|
|
beq completed
|
|
jsr insertcmd
|
|
inc wordlen
|
|
bra t2
|
|
|
|
honk pla
|
|
jsr beep
|
|
bra donetab
|
|
|
|
completed lda cmdloc
|
|
cmp cmdlen
|
|
bne donetab
|
|
lda oldchar
|
|
and #$FF
|
|
cmp #':'
|
|
beq donetab
|
|
cmp #'/'
|
|
beq donetab
|
|
lda #' '
|
|
jsr insertcmd
|
|
donetab jmp clearword
|
|
|
|
char ds 2
|
|
char2 ds 2
|
|
oldchar ds 2
|
|
|
|
END
|
|
|
|
;=========================================================================
|
|
;
|
|
; remove any entries matching $fignore
|
|
;
|
|
;=========================================================================
|
|
|
|
dofignore START
|
|
|
|
using global
|
|
|
|
var equ 0
|
|
word equ var+4
|
|
wordnum equ word+4
|
|
wordlen equ wordnum+2
|
|
varpos equ wordlen+2
|
|
newpos equ varpos+2
|
|
wordpos equ newpos+2
|
|
|
|
jsl alloc256
|
|
sta varparms+4
|
|
stx varparms+6
|
|
phx
|
|
pha
|
|
Read_Variable varparms
|
|
jsr p2cstr
|
|
sta var
|
|
stx var+2
|
|
phx
|
|
pha
|
|
jsr lowercstr
|
|
lda varparms+4
|
|
ldx varparms+6
|
|
jsl free256
|
|
|
|
lda [var]
|
|
and #$FF
|
|
jeq done
|
|
|
|
lda #0
|
|
sta wordnum
|
|
bigloop asl a
|
|
asl a
|
|
tax
|
|
lda matchbuf,x
|
|
sta word
|
|
tay
|
|
lda matchbuf+2,x
|
|
sta word+2
|
|
pha
|
|
phy
|
|
jsr cstrlen
|
|
sta wordlen
|
|
stz newpos
|
|
figmatch lda newpos
|
|
sta varpos
|
|
ldy varpos
|
|
eatspace lda [var],y
|
|
and #$FF
|
|
beq bignext
|
|
cmp #' '
|
|
bne yummy
|
|
iny
|
|
bra eatspace
|
|
yummy sty varpos
|
|
ldx #0
|
|
eatstuff lda [var],y
|
|
and #$FF
|
|
beq gotstuff
|
|
cmp #' '
|
|
beq gotstuff
|
|
inx
|
|
iny
|
|
bra eatstuff
|
|
gotstuff sty newpos
|
|
cpx wordlen
|
|
beq hgf
|
|
bcs figmatch
|
|
hgf phx
|
|
sec
|
|
lda wordlen
|
|
sbc 1,s
|
|
sta wordpos
|
|
plx
|
|
chk ldy wordpos
|
|
lda [word],y
|
|
and #$FF
|
|
beq deleteit
|
|
ldy varpos
|
|
jsr tolower
|
|
eor [var],y
|
|
and #$FF
|
|
bne figmatch
|
|
inc varpos
|
|
inc wordpos
|
|
bra chk
|
|
|
|
deleteit lda wordnum
|
|
jsr removeword
|
|
bignext inc wordnum
|
|
lda wordnum
|
|
cmp nummatch
|
|
bcc bigloop
|
|
|
|
done pei (var+2)
|
|
pei (var)
|
|
jsl nullfree
|
|
rts
|
|
|
|
varparms dc a4'fignore'
|
|
ds 4
|
|
|
|
fignore str 'fignore'
|
|
|
|
END
|
|
|
|
;=========================================================================
|
|
;
|
|
; insert a character into the command-line
|
|
;
|
|
;=========================================================================
|
|
|
|
insertcmd START
|
|
|
|
using global
|
|
|
|
sta tmp
|
|
|
|
short a
|
|
ldy cmdlen
|
|
cmIns1 cpy cmdloc
|
|
beq cmins2
|
|
bcc cmIns2
|
|
lda cmdline-1,y
|
|
sta cmdline,y
|
|
dey
|
|
bra cmIns1
|
|
cmIns2 long a
|
|
inc cmdlen
|
|
;
|
|
; Place character in string and output
|
|
;
|
|
cmOver lda tmp
|
|
ldy cmdloc ;Do overstrike mode
|
|
short a
|
|
sta cmdline,y
|
|
long a
|
|
iny
|
|
sty cmdloc
|
|
jsr putchar
|
|
ldy cmdloc
|
|
cpy cmdlen
|
|
bcc cmdov2
|
|
beq cmdov2
|
|
sty cmdlen
|
|
;
|
|
; Redraw shifted text
|
|
;
|
|
cmdov2 ldx #0
|
|
cmdov3 if2 @y,eq,cmdlen,cmdov5
|
|
lda cmdline,y
|
|
iny
|
|
inx
|
|
phx
|
|
phy
|
|
jsr putchar
|
|
ply
|
|
plx
|
|
bra cmdov3
|
|
cmdov5 jmp moveleft
|
|
|
|
tmp ds 2
|
|
|
|
END
|
|
|
|
;=========================================================================
|
|
;
|
|
; remove an entry from the word matcher table
|
|
;
|
|
;=========================================================================
|
|
|
|
removeword START
|
|
|
|
using global
|
|
|
|
pha
|
|
asl a
|
|
asl a
|
|
pha
|
|
tax
|
|
lda matchbuf+2,x
|
|
pha
|
|
lda matchbuf,x
|
|
pha
|
|
jsl nullfree
|
|
plx
|
|
ply
|
|
loop cpy nummatch
|
|
beq done
|
|
lda matchbuf+4,x
|
|
sta matchbuf,x
|
|
lda matchbuf+6,x
|
|
sta matchbuf+2,x
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
iny
|
|
bra loop
|
|
|
|
done dec nummatch
|
|
rts
|
|
|
|
END
|
|
|
|
;=========================================================================
|
|
;
|
|
; clear the word matcher table
|
|
;
|
|
;=========================================================================
|
|
|
|
clearword START
|
|
|
|
using global
|
|
|
|
lda #0
|
|
loop pha
|
|
asl a
|
|
asl a
|
|
tay
|
|
lda matchbuf,y
|
|
ldx matchbuf+2,y
|
|
phx
|
|
pha
|
|
jsl nullfree
|
|
pla
|
|
inc a
|
|
cmp nummatch
|
|
bne loop
|
|
|
|
stz nummatch
|
|
|
|
rts
|
|
|
|
END
|
|
|
|
;=========================================================================
|
|
;
|
|
; word matcher for command-line expansion
|
|
;
|
|
;=========================================================================
|
|
|
|
wordmatch START
|
|
|
|
using global
|
|
using hashdata
|
|
using BuiltInData
|
|
|
|
lda #'/'
|
|
sta sepstyle
|
|
|
|
ldx #0 ;for left counter
|
|
ldy cmdloc
|
|
beq atstart
|
|
lda cmdline,y ;if current char is space then
|
|
and #$FF ;char to left must be non-space
|
|
cmp #' '
|
|
bne findstart2
|
|
lda cmdline-1,y
|
|
and #$FF
|
|
cmp #' '
|
|
bne findstart
|
|
jmp beep
|
|
;
|
|
; move backwards to find start of word to expand
|
|
;
|
|
findstart inx
|
|
dey
|
|
beq atstart
|
|
findstart2 lda cmdline-1,y
|
|
and #$FF
|
|
cmp #';'
|
|
beq atstart
|
|
cmp #'|'
|
|
beq atstart
|
|
cmp #'&'
|
|
beq atstart
|
|
cmp #' '
|
|
bne findstart
|
|
;
|
|
; isolate the word
|
|
;
|
|
atstart sty startpos
|
|
stx dir+1
|
|
ldx #0
|
|
isolate cpy cmdlen
|
|
beq gotiso
|
|
lda cmdline,y
|
|
and #$FF
|
|
cmp #' '
|
|
beq gotiso
|
|
cmp #';'
|
|
beq gotiso
|
|
cmp #'|'
|
|
beq gotiso
|
|
cmp #'&'
|
|
beq gotiso
|
|
sta wordbuf,x
|
|
iny
|
|
inx
|
|
bra isolate
|
|
gotiso lda #0
|
|
sta wordbuf,x
|
|
stx wordlen
|
|
sty cmdloc
|
|
txa
|
|
sec
|
|
dir sbc #0
|
|
beq nomove
|
|
tax
|
|
jsr moveright
|
|
nomove anop
|
|
;
|
|
; start finding matches
|
|
;
|
|
stz nummatch
|
|
;
|
|
; see if it's a command or an argument, hopefully this is nice and
|
|
; accurate...it should serve its purpose well at least.
|
|
;
|
|
lda #1
|
|
sta cmdflag ;first, assume it's a command
|
|
ldy startpos
|
|
beq gotflag
|
|
dey
|
|
beq gotflag
|
|
|
|
flagskip lda cmdline,y
|
|
and #$FF
|
|
cmp #' '
|
|
bne chkflag
|
|
dey
|
|
bpl flagskip
|
|
bra gotflag
|
|
chkflag cmp #';'
|
|
beq gotflag
|
|
cmp #'|'
|
|
beq gotflag
|
|
cmp #'&'
|
|
beq gotflag
|
|
stz cmdflag
|
|
|
|
gotflag anop
|
|
;
|
|
; check if the first character is '$', if so, match for variables ONLY
|
|
;
|
|
lda wordbuf
|
|
and #$FF
|
|
cmp #'$'
|
|
jne filem
|
|
|
|
ld2 1,varParm+8
|
|
varloop Read_Indexed varParm
|
|
lda buffer
|
|
and #$FF
|
|
jeq vardone
|
|
dec a
|
|
cmp wordlen ;if shorter than word skip
|
|
jcc nextvar
|
|
ldx #1
|
|
varscan lda wordbuf,x
|
|
and #$FF
|
|
beq goodvar
|
|
jsr tolower
|
|
eor buffer,x
|
|
and #$FF
|
|
jne nextvar
|
|
inx
|
|
bra varscan
|
|
|
|
goodvar stz sepstyle
|
|
lda varval
|
|
and #$FF
|
|
tay
|
|
ldx #1
|
|
gv00 dey
|
|
bmi gv02
|
|
lda varval,x
|
|
and #$FF
|
|
cmp #':'
|
|
beq gv00b
|
|
cmp #'/'
|
|
bne gv00a
|
|
gv00b sta sepstyle
|
|
gv00a inx
|
|
bra gv00
|
|
|
|
gv02 lda varval ;check if it really is a directory
|
|
and #$FF
|
|
sta varval-1
|
|
ld4 varval-1,GFName
|
|
GetFileInfo GFParm
|
|
lda GFType
|
|
cmp #$0F
|
|
beq gv02a
|
|
stz sepstyle
|
|
|
|
gv02a lda nummatch
|
|
asl a
|
|
asl a
|
|
pha
|
|
lda buffer
|
|
and #$FF
|
|
inc a
|
|
inc a
|
|
inc a
|
|
pea 0
|
|
pha
|
|
jsl ~NEW
|
|
sta 0
|
|
stx 0+2
|
|
ply
|
|
sta matchbuf,y
|
|
txa
|
|
sta matchbuf+2,y
|
|
inc nummatch
|
|
lda #'$'
|
|
sta [0]
|
|
lda buffer
|
|
and #$FF
|
|
tax
|
|
ldy #1
|
|
gv01 lda buffer,y
|
|
sta [0],y
|
|
iny
|
|
dex
|
|
bne gv01
|
|
lda sepstyle
|
|
sta [0],y
|
|
|
|
nextvar inc varParm+8
|
|
jmp varloop
|
|
|
|
vardone rts
|
|
;
|
|
; next lets match by file names
|
|
; we'll start by moving our wordbuf to a pascal string
|
|
;
|
|
filem lda #1
|
|
sta iwparm+4
|
|
|
|
short a
|
|
lda wordlen
|
|
inc a
|
|
sta wordpbuf
|
|
long a
|
|
ldy wordlen
|
|
lda #'*'
|
|
sta wordbuf,y
|
|
|
|
ldx #0
|
|
short a
|
|
dey
|
|
findsep lda wordbuf,y
|
|
cmp #':'
|
|
beq gotsep
|
|
cmp #'/'
|
|
beq gotsep
|
|
cmp #'['
|
|
beq gotglob
|
|
cmp #'?'
|
|
beq gotglob
|
|
cmp #'='
|
|
beq gotglob
|
|
cmp #'"'
|
|
beq gotglob
|
|
cmp #"'"
|
|
beq gotglob
|
|
cmp #'*'
|
|
bne nextsep
|
|
cpy #0 ;allow boot prefix */
|
|
bne gotglob
|
|
lda wordbuf+1
|
|
cmp sepstyle
|
|
bne gotglob
|
|
bra nextsep
|
|
gotglob long a
|
|
jmp beep
|
|
longa off
|
|
gotsep sta sepstyle
|
|
inx
|
|
nextsep dey
|
|
bpl findsep
|
|
long a
|
|
cpx #0
|
|
beq initit
|
|
dec iwparm+4
|
|
|
|
initit Init_Wildcard iwparm
|
|
|
|
filematch Next_Wildcard nwparm
|
|
lda buffer
|
|
and #$FF
|
|
jeq filemdone
|
|
cmp wordlen
|
|
beq filematch
|
|
lda nummatch
|
|
asl a
|
|
asl a
|
|
pha
|
|
ph4 #buffer
|
|
jsr p2cstr
|
|
ply
|
|
phx ;for c2gsstr
|
|
pha
|
|
sta matchbuf,y
|
|
txa
|
|
sta matchbuf+2,y
|
|
jsr c2gsstr
|
|
phx ;for nullfree
|
|
pha
|
|
sta GFName
|
|
stx GFName+2
|
|
sta 4
|
|
stx 6
|
|
GetFileInfo GFParm
|
|
jsl nullfree
|
|
lda cmdflag
|
|
beq fm01
|
|
lda GFType
|
|
cmp #$0F
|
|
beq isdir
|
|
cmp #$B5
|
|
beq notdir
|
|
cmp #$B3
|
|
beq notdir
|
|
cmp #$B0
|
|
bne filematch
|
|
lda GFAux
|
|
cmp #6
|
|
bne filematch
|
|
lda GFAux+2
|
|
bne filematch
|
|
bra notdir
|
|
fm01 lda GFType
|
|
cmp #$0F
|
|
bne notdir
|
|
isdir lda nummatch
|
|
asl a
|
|
asl a
|
|
tax
|
|
phx
|
|
lda matchbuf,x
|
|
sta 0
|
|
lda matchbuf+2,x
|
|
sta 2
|
|
lda buffer
|
|
and #$FF
|
|
inc a
|
|
inc a
|
|
pea 0
|
|
pha
|
|
jsl ~NEW
|
|
ply
|
|
sta 8
|
|
stx 10
|
|
pei (2)
|
|
pei (0)
|
|
phx
|
|
pha
|
|
sta matchbuf,y
|
|
txa
|
|
sta matchbuf+2,y
|
|
jsr copycstr
|
|
pei (2)
|
|
pei (0)
|
|
jsl nullfree
|
|
lda buffer
|
|
and #$FF
|
|
tay
|
|
lda sepstyle
|
|
sta [8],y
|
|
|
|
notdir anop
|
|
inc nummatch
|
|
jmp filematch
|
|
|
|
filemdone anop
|
|
lda cmdflag ;if it's not a command, we're done
|
|
jeq done
|
|
;
|
|
; let's now look at the hashed files
|
|
;
|
|
p equ 0
|
|
q equ 4
|
|
|
|
ldy wordlen ;remove '*' from above
|
|
lda #0
|
|
sta wordbuf,y
|
|
|
|
lda hash_table
|
|
ora hash_table+2
|
|
beq endhash
|
|
mv4 hash_table,p
|
|
lda hash_numexe
|
|
beq endhash
|
|
ldy #0
|
|
ldx t_size
|
|
beq endhash
|
|
;
|
|
; loop through every hashed file and add it the string vector
|
|
;
|
|
hashloop lda [p],y
|
|
sta q
|
|
iny
|
|
iny
|
|
lda [p],y
|
|
sta q+2
|
|
iny
|
|
iny
|
|
ora q
|
|
beq nexthash
|
|
inc q
|
|
inc q
|
|
phy
|
|
phx
|
|
pei (q+2)
|
|
pei (q)
|
|
jsr cstrlen
|
|
cmp wordlen
|
|
bcc nexthash0
|
|
tax
|
|
ldy #0
|
|
hl lda wordbuf,y
|
|
and #$FF
|
|
beq hl0
|
|
jsr tolower
|
|
eor [q],y
|
|
and #$FF
|
|
bne nexthash0
|
|
iny
|
|
bra hl
|
|
hl0 inx
|
|
lda nummatch
|
|
asl a
|
|
asl a
|
|
pha
|
|
pea 0
|
|
phx
|
|
jsl ~NEW
|
|
ply
|
|
pei (q+2)
|
|
pei (q)
|
|
phx
|
|
pha
|
|
sta matchbuf,y
|
|
txa
|
|
sta matchbuf+2,y
|
|
inc nummatch
|
|
jsr copycstr
|
|
nexthash0 plx
|
|
ply
|
|
nexthash dex
|
|
bne hashloop
|
|
|
|
endhash anop
|
|
;
|
|
; add built-ins to the list
|
|
;
|
|
ld4 builtintbl,p
|
|
bilup lda [p]
|
|
ldy #2
|
|
ora [p],y
|
|
beq bidone
|
|
lda [p]
|
|
sta q
|
|
lda [p],y
|
|
sta q+2
|
|
pei (q+2)
|
|
pei (q)
|
|
jsr cstrlen
|
|
cmp wordlen
|
|
bcc binext
|
|
tax
|
|
ldy #0
|
|
bl lda wordbuf,y
|
|
and #$FF
|
|
beq bl0
|
|
eor [q],y
|
|
and #$FF
|
|
bne binext
|
|
iny
|
|
bra bl
|
|
bl0 inx
|
|
lda nummatch
|
|
asl a
|
|
asl a
|
|
pha
|
|
pea 0
|
|
phx
|
|
jsl ~NEW
|
|
ply
|
|
pei (q+2)
|
|
pei (q)
|
|
phx
|
|
pha
|
|
sta matchbuf,y
|
|
txa
|
|
sta matchbuf+2,y
|
|
inc nummatch
|
|
jsr copycstr
|
|
binext add2 p,#10,p
|
|
bra bilup
|
|
bidone anop
|
|
|
|
done rts
|
|
|
|
startpos ds 2
|
|
cmdflag ds 2
|
|
|
|
iwparm dc i4'wordpbuf'
|
|
dc i2'1'
|
|
|
|
nwparm dc i4'buffer'
|
|
|
|
GFParm dc i2'4'
|
|
GFName dc i4'0'
|
|
dc i2'0'
|
|
GFType dc i2'0'
|
|
GFAux dc i4'0'
|
|
|
|
|
|
varParm dc i4'buffer'
|
|
dc i4'varval'
|
|
dc i2'0'
|
|
|
|
ds 1 ;<- don't futz with me!!
|
|
varval ds 256
|
|
|
|
sepstyle ds 2
|
|
|
|
END
|
|
|
|
**************************************************************************
|
|
*
|
|
* key bindings data
|
|
*
|
|
**************************************************************************
|
|
|
|
keybinddata DATA
|
|
|
|
keybindtab dc i2'undefined_char',i4'0' ;^@
|
|
dc i2'beginning_of_line',i4'0' ;^A
|
|
dc i2'backward_char',i4'0' ;^B
|
|
dc i2'undefined_char',i4'0' ;^C
|
|
dc i2'list_choices',i4'0' ;^D
|
|
dc i2'end_of_line',i4'0' ;^E
|
|
dc i2'forward_char',i4'0' ;^F
|
|
dc i2'undefined_char',i4'0' ;^G
|
|
dc i2'backward_delete_char',i4'0' ;^H
|
|
dc i2'complete_word',i4'0' ;^I
|
|
dc i2'newline_char',i4'0' ;^J
|
|
dc i2'undefined_char',i4'0' ;^K
|
|
dc i2'clear_screen',i4'0' ;^L
|
|
dc i2'newline_char',i4'0' ;^M
|
|
dc i2'down_history',i4'0' ;^N
|
|
dc i2'undefined_char',i4'0' ;^O
|
|
dc i2'up_history',i4'0' ;^P
|
|
dc i2'undefined_char',i4'0' ;^Q
|
|
dc i2'redisplay',i4'0' ;^R
|
|
dc i2'undefined_char',i4'0' ;^S
|
|
dc i2'undefined_char',i4'0' ;^T
|
|
dc i2'kill_whole_line',i4'0' ;^U
|
|
dc i2'undefined_char',i4'0' ;^V
|
|
dc i2'undefined_char',i4'0' ;^W
|
|
dc i2'kill_whole_line',i4'0' ;^X
|
|
dc i2'kill_end_of_line',i4'0' ;^Y
|
|
dc i2'undefined_char',i4'0' ;^Z
|
|
dc i2'lead_in',i4'defescmap' ;^[
|
|
dc i2'undefined_char',i4'0' ;^\
|
|
dc i2'undefined_char',i4'0' ;^]
|
|
dc i2'undefined_char',i4'0' ;^^
|
|
dc i2'undefined_char',i4'0' ;^_
|
|
dc 95i2'raw_char,0,0' ;' ' .. '~'
|
|
dc i2'backward_delete_char',i4'0' ;^? (DEL)
|
|
|
|
defescmap dc 4i2'undefined_char,0,0' ;^@ .. ^C
|
|
dc i2'list_choices',i4'0' ;^D
|
|
dc 3i2'undefined_char,0,0' ;^E .. ^G
|
|
dc i2'backward_word',i4'0' ;^H
|
|
dc i2'complete_word',i4'0' ;^I
|
|
dc 2i2'undefined_char,0,0' ;^J, ^K
|
|
dc i2'clear_screen',i4'0' ;^L
|
|
dc i2'undefined_char,0,0' ;^M
|
|
dc i2'undefined_char,0,0' ;^N
|
|
dc i2'undefined_char,0,0' ;^O
|
|
dc i2'undefined_char,0,0' ;^P
|
|
dc i2'undefined_char,0,0' ;^Q
|
|
dc i2'undefined_char,0,0' ;^R
|
|
dc i2'undefined_char,0,0' ;^S
|
|
dc i2'undefined_char,0,0' ;^T
|
|
dc i2'forward_word,0,0' ;^U
|
|
dc i2'undefined_char,0,0' ;^W
|
|
dc i2'undefined_char,0,0' ;^X
|
|
dc i2'undefined_char,0,0' ;^X
|
|
dc i2'undefined_char,0,0' ;^Y
|
|
dc i2'undefined_char,0,0' ;^Z
|
|
dc i2'complete_word',i4'0' ;^[
|
|
dc 16i2'undefined_char,0,0' ;^\ .. +
|
|
dc i2'beginning_of_line',i4'0' ; ,
|
|
dc i2'undefined_char,0,0' ;
|
|
dc i2'end_of_line',i4'0' ; .
|
|
dc 19i2'undefined_char,0,0' ; .+1 .. A
|
|
dc i2'backward_word',i4'0' ;B
|
|
dc 3i2'undefined_char,0,0' ;C ... E
|
|
dc i2'forward_word',i4'0' ;F
|
|
dc 8i2'undefined_char,0,0' ;G ... N
|
|
dc i2'lead_in',i4'vt100key' ;O
|
|
dc 18i2'undefined_char,0,0' ;P ... a
|
|
dc i2'backward_word',i4'0' ;b
|
|
dc 2i2'undefined_char,0,0' ;c ... d
|
|
dc i2'toggle_cursor',i4'0' ;e
|
|
dc i2'forward_word',i4'0' ;f
|
|
dc 25i2'undefined_char,0,0' ;g ... ^?
|
|
|
|
vt100key dc 65i2'undefined_char,0,0' ;^@ ... @
|
|
dc i2'up_history',i4'0' ;A
|
|
dc i2'down_history',i4'0' ;B
|
|
dc i2'forward_char',i4'0' ;C
|
|
dc i2'backward_char',i4'0' ;D
|
|
dc 59i2'undefined_char,0,0' ;E ... ^?
|
|
|
|
END
|
|
|
|
**************************************************************************
|
|
*
|
|
* bind a key to a function
|
|
*
|
|
**************************************************************************
|
|
|
|
bindkeyfunc START
|
|
|
|
using keybinddata
|
|
|
|
p equ 0
|
|
tbl equ p+4
|
|
len equ tbl+4
|
|
space equ len+2
|
|
|
|
subroutine (4:keystr,2:function),space
|
|
|
|
lda keystr
|
|
ora keystr+2
|
|
jeq done
|
|
|
|
pei (keystr+2)
|
|
pei (keystr)
|
|
jsr cstrlen
|
|
sta len
|
|
ld4 keybindtab,tbl
|
|
|
|
loop lda len
|
|
jeq done
|
|
dec a
|
|
beq putit ;last char in string
|
|
|
|
lda [keystr]
|
|
and #$FF
|
|
asl a
|
|
sta addb+1
|
|
asl a
|
|
clc
|
|
addb adc #0
|
|
tay
|
|
lda [tbl],y
|
|
cmp #lead_in
|
|
beq next
|
|
phy
|
|
ph4 #128*6
|
|
jsl ~NEW
|
|
sta p
|
|
stx p+2
|
|
ldy #128*6-2
|
|
lda #0
|
|
zap sta [0],y
|
|
dey
|
|
dey
|
|
bpl zap
|
|
ply
|
|
lda #lead_in
|
|
sta [tbl],y
|
|
iny
|
|
iny
|
|
lda p
|
|
sta [tbl],y
|
|
iny
|
|
iny
|
|
lda p+2
|
|
sta [tbl],y
|
|
mv4 p,tbl
|
|
dec len
|
|
add4 keystr,#1,keystr
|
|
bra loop
|
|
|
|
next iny
|
|
iny
|
|
lda [tbl],y
|
|
tax
|
|
iny
|
|
iny
|
|
lda [tbl],y
|
|
sta tbl+2
|
|
stx tbl
|
|
dec len
|
|
add4 keystr,#1,keystr
|
|
jmp loop
|
|
|
|
putit lda [keystr]
|
|
and #$FF
|
|
asl a
|
|
sta adda+1
|
|
asl a
|
|
clc
|
|
adda adc #0
|
|
tay
|
|
lda function
|
|
sta [tbl],y
|
|
iny
|
|
iny
|
|
lda #0
|
|
sta [tbl],y
|
|
iny
|
|
iny
|
|
sta [tbl],y
|
|
|
|
done return
|
|
|
|
END
|
|
|
|
**************************************************************************
|
|
*
|
|
* BINDKEY: builtin command
|
|
* syntax: bindkey [-l] function string
|
|
*
|
|
* bind a keystring to an editor function.
|
|
*
|
|
**************************************************************************
|
|
|
|
bindkey START
|
|
|
|
str equ 0
|
|
func equ str+4
|
|
arg equ func+2
|
|
space equ arg+4
|
|
|
|
subroutine (4:argv,2:argc),space
|
|
|
|
lda argc
|
|
dec a
|
|
bne ok
|
|
showusage ldx #^usage
|
|
lda #usage
|
|
jsr errputs
|
|
jmp exit
|
|
|
|
ok dec argc
|
|
add2 argv,#4,argv
|
|
lda [argv]
|
|
sta arg
|
|
ldy #2
|
|
lda [argv],y
|
|
sta arg+2
|
|
lda [arg]
|
|
and #$FF
|
|
cmp #'-'
|
|
bne startbind
|
|
ldy #1
|
|
lda [arg],y
|
|
cmp #'l'
|
|
beq list
|
|
bra showusage
|
|
|
|
list ldx #^liststr
|
|
lda #liststr
|
|
jsr puts
|
|
jmp exit
|
|
|
|
startbind lda argc
|
|
dec a
|
|
jeq showusage
|
|
dec a
|
|
jne showusage
|
|
|
|
ldy #0
|
|
findloop phy
|
|
lda nametbl,y
|
|
ora nametbl+2,y
|
|
beq nofind
|
|
lda nametbl+2,y
|
|
pha
|
|
lda nametbl,y
|
|
pha
|
|
pei (arg+2)
|
|
pei (arg)
|
|
jsr cmpcstr
|
|
beq foundit
|
|
pla
|
|
add2 @a,#4,@y
|
|
bra findloop
|
|
|
|
nofind pla
|
|
ldx arg+2
|
|
lda arg
|
|
jsr errputs
|
|
ldx #^errstr
|
|
lda #errstr
|
|
jsr errputs
|
|
lda #-1
|
|
jmp exit
|
|
|
|
foundit pla
|
|
lsr a
|
|
tax
|
|
lda functbl,x
|
|
sta func
|
|
|
|
add2 argv,#4,argv
|
|
lda [argv]
|
|
sta arg
|
|
ldy #2
|
|
lda [argv],y
|
|
sta arg+2
|
|
|
|
pei (arg+2)
|
|
pei (arg)
|
|
jsr cstrlen
|
|
inc a
|
|
inc a
|
|
pea 0
|
|
pha
|
|
jsl ~NEW
|
|
sta str
|
|
stx str+2
|
|
pei (arg+2)
|
|
pei (arg)
|
|
phx
|
|
pha
|
|
jsl decode
|
|
|
|
pei (str+2)
|
|
pei (str)
|
|
pei (func)
|
|
jsl bindkeyfunc
|
|
|
|
pei (str+2)
|
|
pei (str)
|
|
jsl nullfree
|
|
|
|
exit return
|
|
|
|
usage dc c'Usage: bindkey [-l] function string',h'0d00'
|
|
errstr dc c': undefined function',h'0d00'
|
|
|
|
liststr dc c' backward-char - move cursor left',h'0d'
|
|
dc c' backward-delete-char - delete character to left',h'0d'
|
|
dc c' backward-word - move cursor left one word',h'0d'
|
|
dc c' beginning-of-line - move cursor to beginning of line',h'0d'
|
|
dc c' clear-screen - clear screen and redraw prompt',h'0d'
|
|
dc c' complete-word - perform filename completion',h'0d'
|
|
dc c' delete-char - delete character under cursor',h'0d'
|
|
dc c' down-history - replace command line with next history',h'0d'
|
|
dc c' end-of-line - move cursor to end of line',h'0d'
|
|
dc c' forward-char - move cursor to the right',h'0d'
|
|
dc c' forward-word - move cursor one word to the right',h'0d'
|
|
dc c' kill-end-of-line - delete line from cursor to end of line',h'0d'
|
|
dc c' kill-whole-line - delete the entire command line',h'0d'
|
|
dc c' list-choices - list file completion matches',h'0d'
|
|
dc c' newline - finished editing, accept command line',h'0d'
|
|
dc c' raw-char - character as-is',h'0d'
|
|
dc c' redisplay - redisplay the command line',h'0d'
|
|
dc c' toggle-cursor - toggle between insert and overwrite cursor',h'0d'
|
|
dc c' undefined-char - this key does nothing',h'0d'
|
|
dc c' up-history - replace command line with previous history',h'0d'
|
|
dc h'00'
|
|
|
|
nametbl dc i4'func1,func2,func3,func4,func5,func6,func7,func8'
|
|
dc i4'func9,func10,func11,func12,func13,func14,func15'
|
|
dc i4'func16,func17,func18,func19,func20,0'
|
|
|
|
func1 dc c'backward-char',h'00'
|
|
func2 dc c'backward-delete-char',h'00'
|
|
func3 dc c'backward-word',h'00'
|
|
func4 dc c'beginning-of-line',h'00'
|
|
func5 dc c'clear-screen',h'00'
|
|
func6 dc c'complete-word',h'00'
|
|
func7 dc c'delete-char',h'00'
|
|
func8 dc c'down-history',h'00'
|
|
func9 dc c'end-of-line',h'00'
|
|
func10 dc c'forward-char',h'00'
|
|
func11 dc c'forward-word',h'00'
|
|
func12 dc c'kill-end-of-line',h'00'
|
|
func13 dc c'kill-whole-line',h'00'
|
|
func14 dc c'list-choices',h'00'
|
|
func15 dc c'newline',h'00'
|
|
func16 dc c'raw-char',h'00'
|
|
func17 dc c'redisplay',h'00'
|
|
func18 dc c'toggle-cursor',h'00'
|
|
func19 dc c'undefined-char',h'00'
|
|
func20 dc c'up-history',h'00'
|
|
|
|
functbl dc i'backward_char'
|
|
dc i'backward_delete_char'
|
|
dc i'backward_word'
|
|
dc i'beginning_of_line'
|
|
dc i'clear_screen'
|
|
dc i'complete_word'
|
|
dc i'delete_char'
|
|
dc i'down_history'
|
|
dc i'end_of_line'
|
|
dc i'forward_char'
|
|
dc i'forward_word'
|
|
dc i'kill_end_of_line'
|
|
dc i'kill_whole_line'
|
|
dc i'list_choices'
|
|
dc i'newline_char'
|
|
dc i'raw_char'
|
|
dc i'redisplay'
|
|
dc i'toggle_cursor'
|
|
dc i'undefined_char'
|
|
dc i'up_history'
|
|
|
|
END
|
|
|
|
**************************************************************************
|
|
*
|
|
* decode does the grung work to decode the
|
|
* string escapes.
|
|
*
|
|
**************************************************************************
|
|
|
|
decode START
|
|
|
|
ch equ 1
|
|
space equ ch+2
|
|
cp equ space+3
|
|
str equ cp+4
|
|
end equ str+4
|
|
|
|
; subroutine (4:str,4:cp),space
|
|
|
|
tsc
|
|
sec
|
|
sbc #space-1
|
|
tcs
|
|
phd
|
|
tcd
|
|
|
|
ldy #0
|
|
|
|
loop lda [str],y
|
|
and #$FF
|
|
jeq breakloop
|
|
iny
|
|
|
|
cmp #'^'
|
|
bne caseslash
|
|
|
|
lda [str],y
|
|
and #$1F
|
|
iny
|
|
bra casebreak0
|
|
|
|
caseslash cmp #'\'
|
|
bne casebreak0
|
|
|
|
lda [str],y
|
|
and #$FF
|
|
sta ch
|
|
iny
|
|
|
|
ldx #0
|
|
nextc lda dp1,x
|
|
and #$FF
|
|
beq nextslash
|
|
cmp ch
|
|
beq gotslash
|
|
inx
|
|
bra nextc
|
|
gotslash lda dp2,x
|
|
and #$FF
|
|
bra casebreak0
|
|
|
|
nextslash lda ch
|
|
cmp #'0'
|
|
bcc casebreak0
|
|
cmp #'9'+1
|
|
bcs casebreak0
|
|
|
|
sec
|
|
sbc #'0'
|
|
sta ch
|
|
|
|
ldx #2
|
|
|
|
numloop asl ch
|
|
asl ch
|
|
asl ch
|
|
lda [str],y
|
|
and #$FF
|
|
sec
|
|
sbc #'0'
|
|
clc
|
|
adc ch
|
|
sta ch
|
|
iny
|
|
dex
|
|
beq casebreak0
|
|
lda [str],y
|
|
and #$FF
|
|
cmp #'0'
|
|
bcc casebreak
|
|
cmp #'9'+1
|
|
bcc numloop
|
|
|
|
casebreak lda ch
|
|
casebreak0 sta [cp]
|
|
inc cp
|
|
jne loop
|
|
inc cp+2
|
|
jmp loop
|
|
|
|
breakloop lda #0
|
|
sta [cp]
|
|
|
|
lda space+1
|
|
sta end-2
|
|
lda space
|
|
sta end-3
|
|
pld
|
|
tsc
|
|
clc
|
|
adc #end-4
|
|
tcs
|
|
|
|
rtl
|
|
|
|
dp1 dc c'E^\:nrtbf',h'00'
|
|
dp2 dc h'1b',c'^\:',h'0a0d09080c'
|
|
|
|
END
|