mirror of
https://github.com/mgcaret/davex-mg-utils.git
synced 2024-12-10 10:49:38 +00:00
582 lines
8.5 KiB
ArmAsm
582 lines
8.5 KiB
ArmAsm
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;*************************************************
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;*************************************************
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;
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; 'alias' -- external command for Davex
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;
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; alias -- view and modify Davex aliases
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;
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; alias [-s] [-l] [-r] <str1> <str2>
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;
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; alias displays all aliases
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; alias <a> <b> adds alias
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; alias -r <a> removes alias <a>
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; alias -s saves aliases to %aliases
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; alias -l loads aliases from %aliases
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;
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;*************************************************
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;
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; Converted to MPW IIgs 20-Sep-92 DAL
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;
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; Fixed from the 1.30P version on SourceForge 26-Jul-17 MG
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;
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;*************************************************
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;.segment "CODE_A000"
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OrgAdr = $A000 ;change as necessary (end below $B000)
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.org OrgAdr ; Makes the listing more readable, though it doesn't really org the code - the linker does that.
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.include "Common/2/Globals2.asm"
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.include "Common/2/Apple.Globals2.asm"
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.include "Common/2/Mli.Globals2.asm"
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.include "Common/Macros.asm"
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;include 'm16.util2'
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low_cr = $0D
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;
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MyVersion = $09
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MinVersion = $12
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MinVerAux = $05
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;*************************************************
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rts
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.byte $ee,$ee
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.byte MyVersion,MinVersion
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.byte %00000000 ;hardware req
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.addr descr
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.addr OrgAdr
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.addr start
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.byte MinVerAux,0,0,0
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; parameters here
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.byte 0,t_string
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.byte 0,t_string
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.byte $80+'r',t_nil
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.byte $80+'s',t_nil
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.byte $80+'l',t_nil
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.byte 0,0
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descr:
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pstr "display or modify command aliases"
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;*************************************************
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; dum xczpage ;32 locations
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AliasPages = xczpage
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AliasP = AliasPages+1
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AliasEnd = AliasP+2
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myP = AliasEnd+2
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str1 = myP+2
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str2 = str1+2
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char = str2+2
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count = char+1 ;.res 2
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; dend
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;
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start = *
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sta str1+1
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sty str1
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lda #1
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jsr xgetparm_n
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sta str2+1
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sty str2
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ldx #1
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jsr xshell_info
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sta AliasP+1
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sty AliasP
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sty AliasEnd
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stx AliasPages
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txa
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clc
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adc AliasP+1
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sta AliasEnd+1
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lda #$80+'l'
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jsr xgetparm_ch
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bcs noLoad
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jsr load_aliases
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noLoad:
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jsr DoAlias
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lda #$80+'s'
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jsr xgetparm_ch
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bcs noSave
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jsr save_aliases
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noSave:
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rts
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;*************************************************
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;
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; handle adding, removing, or showing aliases
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;
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DoAlias:
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lda #$80+'r'
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jsr xgetparm_ch
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bcs noRmv
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jmp remove_alias
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noRmv:
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ldy #0
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lda (str1),y
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bne doAdd
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lda (str2),y
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bne doAdd
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jsr xgetnump
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cmp #2
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beq show_aliases
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rts
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doAdd: jmp add_alias
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;*************************************************
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;
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; Display all the aliases
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;
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show_aliases:
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jsr CalcUsedSize
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jsr xprdec_2
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jsr xmess
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asc_hi " bytes used (of "
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.byte 0
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lda AliasPages
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ldy #0
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jsr xprdec_2
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jsr xmess
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asc_hi ") to store these aliases:"
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.byte low_cr
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asc_hi " "
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.byte 0
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;
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lda AliasP+1
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ldy AliasP
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sta myP+1
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sty myP
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ShowA1: lda (myP),y
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beq ShowedA
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jsr NeatCout
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bcs ShowedA
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iny
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bne ShowA1
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inc myP+1
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bne ShowA1
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ShowedA: rts
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NeatCout: ora #$80
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cmp #$8d
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beq isCR
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jsr cout
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clc
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rts
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isCR: jsr xcheck_wait
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bcs isCR2
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jsr crout
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lda #$80+' '
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jsr cout
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jsr cout
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clc
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isCR2: rts
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;*************************************************
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;
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; Save aliases to %aliases file
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;
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save_aliases:
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lda #>AliasName
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ldy #<AliasName
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jsr xbuild_local
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sta aPath+1
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sty aPath
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sta acPath+1
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sty acPath
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jsr mli
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.byte mli_create
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.addr CreateA
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bcc CreateOK
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cmp #err_dupfil
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bne DiskError
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CreateOK:
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jsr mli
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.byte mli_open
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.addr OpenA
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bcs DiskError
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lda aRef
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sta aRef2
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sta aRef3
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sta aRef4
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jsr CalcUsedSize
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sta WriteA+5
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sty WriteA+4
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jsr mli
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.byte mli_write
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.addr WriteA
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bcs DiskError
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jsr mli
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.byte mli_getmark
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.addr MarkA
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jsr mli
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.byte mli_seteof
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.addr MarkA
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jsr mli
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.byte mli_close
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.addr CloseA
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bcs DiskError
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rts
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;*************************************************
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;
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; Load aliases from %aliases file
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;
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load_aliases:
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lda #>AliasName
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ldy #<AliasName
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jsr xbuild_local
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sta aPath+1
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sty aPath
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jsr mli
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.byte mli_open
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.addr OpenA
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bcs DiskError
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lda aRef
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sta aRef2
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sta aRef3
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lda AliasPages
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ldy #0
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sta ReadA+5
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sty ReadA+4
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jsr mli
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.byte mli_read
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.addr WriteA
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php
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pha
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jsr strip7
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pla
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plp
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bcs DiskError
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jsr mli
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.byte mli_close
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.addr CloseA
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bcs DiskError
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rts
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DiskError: jmp xProDOS_err
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CreateA: .byte 7
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acPath: .addr 0
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.byte $C3 ;access
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.byte tTXT ;filetype
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.addr 0 ;auxtype
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.byte 1 ;storage type
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.addr 0,0 ;create date/time
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OpenA: .byte 3
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aPath: .addr 0
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.addr filebuff
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aRef: .byte 0
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ReadA:
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WriteA: .byte 4
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aRef2: .byte 0
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.addr Aliases,$0000,0
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MarkA: .byte 2
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aRef4: .byte 0
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.byte 0,0,0
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CloseA: .byte 1
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aRef3: .byte 0
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AliasName:
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.byte 7,"ALIASES"
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strip7: lda AliasPages
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sta count
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lda AliasP+1
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ldy AliasP
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sta myP+1
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sty myP
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ldy #0
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strip1: lda (myP),y
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and #%01111111
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sta (myP),y
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dey
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bne strip1
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dec count
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bne strip1
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rts
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;*************************************************
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;
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; remove an alias
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;
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remove_alias:
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ldy #0
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lda (str2),y
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beq rmv2ok
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jsr xmess
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.byte cr
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asc_hi "*** too many parameters for removing an alias"
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.byte low_cr,0
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jmp xerr
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rmv2ok:
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jsr FindAlias
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bcc rmvFound
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jsr xmess
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.byte cr
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asc_hi "*** no such alias found"
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.byte low_cr,0
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jmp xerr
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rmvFound: jsr remove_it
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rts
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;
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; Add an alias, possibly replacing an existing one
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;
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add_alias:
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jsr FindAlias
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bcs addMissing
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lda #1
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jsr xredirect
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jsr xmess
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asc_hi "Okay to replace existing alias "
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.byte $A2,0
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lda str1+1
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ldy str1
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jsr xprint_path
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lda #$A2
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jsr cout
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lda #$80+'n'
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jsr xyesno2
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php
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lda #<-1
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jsr xredirect
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plp
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bne ReplacIt
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rts
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ReplacIt: jsr remove_it
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addMissing:
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jsr CalcUsedSize
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ldy #0
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clc
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lda (str1),y
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adc (str2),y
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adc #3
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adc count
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lda count+1
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adc #0
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cmp AliasPages
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bcc haveRoom
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jsr xmess
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.byte cr
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asc_hi "*** no room for that alias"
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.byte low_cr,0
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jmp xerr
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haveRoom:
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ldy #0
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lda (str1),y
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tax
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bne aNameOK
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jsr xmess
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.byte cr
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asc_hi "*** empty string is not a legal alias"
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.byte low_cr,0
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jmp xerr
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aNameOK: iny
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lda (str1),y
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jsr CramChar
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dex
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bne aNameOK
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lda #$80+' '
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jsr CramChar
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ldy #0
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lda (str2),y
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tax
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beq aDefDone
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AddDef: iny
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lda (str2),y
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jsr CramChar
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dex
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bne AddDef
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aDefDone: lda #$0d
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jsr CramChar
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lda #0
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jmp CramChar
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;
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; CramChar -- append A to (myP)
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;
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CramChar: sty cramY
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ldy #0
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sta (myP),y
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ldy cramY
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inc myP
|
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bne cram_ok
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inc myP+1
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cram_ok: rts
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cramY: .byte 0
|
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|
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|
;
|
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; FindAlias -- return CLC if found, myP points to it
|
||
|
;
|
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|
FindAlias:
|
||
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lda AliasP+1
|
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ldy AliasP
|
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sta myP+1
|
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sty myP
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FindA1:
|
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jsr compare
|
||
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bcc FoundIt
|
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jsr NextAlias
|
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ldy #0
|
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lda (myP),y
|
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bne FindA1
|
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|
sec
|
||
|
FoundIt: rts
|
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|
;
|
||
|
; compare--check if alias at myP matches str1, returning
|
||
|
; CLC if they do (and preserving myP)
|
||
|
;
|
||
|
compare:
|
||
|
lda myP+1
|
||
|
pha
|
||
|
lda myP
|
||
|
pha
|
||
|
|
||
|
ldy #0
|
||
|
lda (str1),y
|
||
|
tax
|
||
|
beq NoMatch
|
||
|
iny ;Y=1
|
||
|
jsr decP
|
||
|
cmp1:
|
||
|
lda (str1),y
|
||
|
jsr xdowncase
|
||
|
sta char
|
||
|
jsr FetchChar
|
||
|
and #%01111111
|
||
|
beq NoMatch
|
||
|
jsr xdowncase
|
||
|
cmp char
|
||
|
bne NoMatch
|
||
|
iny
|
||
|
dex
|
||
|
bne cmp1
|
||
|
jsr FetchChar
|
||
|
cmp #$80+' '
|
||
|
bne NoMatch
|
||
|
matches: clc
|
||
|
compared:
|
||
|
pla
|
||
|
sta myP
|
||
|
pla
|
||
|
sta myP+1
|
||
|
rts
|
||
|
NoMatch:
|
||
|
sec
|
||
|
bcs compared
|
||
|
;
|
||
|
; increment myP and return the character it points at
|
||
|
;
|
||
|
FetchChar: inc myP
|
||
|
bne P2ok
|
||
|
inc myP+1
|
||
|
P2ok = *
|
||
|
sty ytemp
|
||
|
ldy #0
|
||
|
lda (myP),y
|
||
|
ldy ytemp
|
||
|
ora #%10000000
|
||
|
rts
|
||
|
ytemp: .res 1
|
||
|
;
|
||
|
; advance myP to next alias
|
||
|
;
|
||
|
NextAlias: jsr FetchChar
|
||
|
cmp #$8d
|
||
|
beq FetchChar
|
||
|
and #%01111111
|
||
|
bne NextAlias
|
||
|
rts
|
||
|
|
||
|
;*************************************************
|
||
|
;
|
||
|
; Remove the alias that myP is pointing at
|
||
|
;
|
||
|
remove_it:
|
||
|
ldy #0
|
||
|
lda (myP),y
|
||
|
beq removed
|
||
|
pha
|
||
|
jsr KillCharP
|
||
|
pla
|
||
|
and #$7f
|
||
|
cmp #$0d
|
||
|
bne remove_it
|
||
|
removed: rts
|
||
|
;
|
||
|
; Kill a character at myP, shifting forward all the
|
||
|
; characters after myP until AliasEnd
|
||
|
;
|
||
|
KillCharP:
|
||
|
lda myP+1
|
||
|
pha
|
||
|
lda myP
|
||
|
pha
|
||
|
KillLoop:
|
||
|
ldy #1
|
||
|
lda (myP),y
|
||
|
dey
|
||
|
sta (myP),y
|
||
|
inc myP
|
||
|
bne p_ok
|
||
|
inc myP+1
|
||
|
p_ok: lda myP+1
|
||
|
cmp AliasEnd+1
|
||
|
bne KillLoop
|
||
|
lda myP
|
||
|
cmp AliasEnd
|
||
|
bne KillLoop
|
||
|
pla
|
||
|
sta myP
|
||
|
pla
|
||
|
sta myP+1
|
||
|
rts
|
||
|
;
|
||
|
; CalcUsedSize--return used bytes in AY,
|
||
|
; myP pointing at the $00 marker at the end
|
||
|
; of the alias data
|
||
|
;
|
||
|
CalcUsedSize:
|
||
|
lda #0
|
||
|
sta count
|
||
|
sta count+1
|
||
|
lda AliasP+1
|
||
|
ldy AliasP
|
||
|
sta myP+1
|
||
|
sty myP
|
||
|
ldy #0
|
||
|
cus1: lda (myP),y
|
||
|
beq cus_done
|
||
|
inc count
|
||
|
bne count_ok
|
||
|
inc count+1
|
||
|
count_ok: inc myP
|
||
|
bne cus1
|
||
|
inc myP+1
|
||
|
bne cus1
|
||
|
cus_done: lda count+1
|
||
|
ldy count
|
||
|
rts
|
||
|
;
|
||
|
decP: lda myP
|
||
|
bne decP1
|
||
|
dec myP+1
|
||
|
decP1: dec myP
|
||
|
rts
|