mirror of
https://github.com/antoinevignau/source.git
synced 2024-11-19 22:31:52 +00:00
1 line
8.3 KiB
Plaintext
Executable File
1 line
8.3 KiB
Plaintext
Executable File
load 'macros.dump'
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include 'driver.equ'
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include 'wp.equ'
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include 'scrap.equ'
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;-----------------------------------------------
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;
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; Imported addresses
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;
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;-----------------------------------------------
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IMPORT D_BeachBall
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IMPORT W_CalcFBytes
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IMPORT W_FindFont
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IMPORT W_FindFont2
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IMPORT W_GetAddr
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IMPORT W_GetEndPar
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IMPORT W_Getparrec
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IMPORT W_LessRoom
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IMPORT W_MakeRoom
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IMPORT D_NeedHandle
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IMPORT W_WriteFBytes
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IMPORT W_addr
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import W_RulBytes
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import X_MassageWPScrap
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import D_NeedHand
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import D_Deref
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import D_GrowHandle
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import X_DisposeWPScrap
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****************************************************************
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*
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* W_WpCopy(startp,startl,starto,endp,endl,endo):wpscrap
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*
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****************************************************************
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W_WpCopy PROC EXPORT
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BlockSize equ $c00 ;3K
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input Startp:w,Startl:w,Starto:w
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input Endp:w,Endl:w,Endo:w
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local Pars:w,Par:w,Block:l,ParPtr:l,Sptr:l,ParRec:l,Type:w
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local Length:w,Offset:w,Bptr:l,NewOffset:l,CurrentBlock:l
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local CBPtr:l,NewRuler:l,NRPtr:l,Ruler:l,OldRuler:l,BlockUsed:w
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local ScrapSize:l,NextBlock:l,NewSize:l,Soff:l
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output Scrap:l
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error err
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begin +b
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stz err
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SubWord Endp,Startp,Pars
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inc Pars
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tool _Multiply,in=(Pars:w,#W_pBytes:w),out=(:l)
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AddLong s,#2,ScrapSize
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call D_NeedHand,in=ScrapSize:l,out=Scrap:l,err=err
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jcs exit
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MoveLong [Scrap],Sptr
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MoveWord #0,[Sptr]
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MoveLong #2,Soff
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MoveWord Startp,Par
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Stzl Block
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Stzl OldRuler
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parloop
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jsl D_BeachBall
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jsr GetParInfo ;ParRec will have pointer to
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;paragraph,Type will be set,returns
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;length of paragraph Length, and offset
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;to first character in Offset.
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jsr GrowBlock ;Will allocate a new block if there
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jcs memoryerror ;is none. Will make space if there
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;would still be less than 3K. Will
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;make new text block if not. Sets
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;up the variables Block,Bptr,NewOffset.
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;Uses Length variable. Does NOT lock
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;the block.
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MoveLong [ParRec],CurrentBlock
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MoveLong [CurrentBlock],CBPtr
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Addwl Offset,CBPtr
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Cmpw Par,StartP
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bne nofont
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;Get font info for the first paragraph
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call W_FindFont,in=(Startp:w,Startl:w,Starto:w),out=(:l,:w)
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PullWord [Bptr]:#4 ;Color
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PullLong [Bptr] ;Font ID
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Addwl #7,Bptr
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bra docopy
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nofont lda [CBPtr]
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sta [Bptr]
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ldy #2
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lda [CBptr],y
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sta [Bptr],y
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iny
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iny
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lda [CBptr],y
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sta [Bptr],y
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Addwl #7,CBptr
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Addwl #7,Bptr
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Subwl #7,Length
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docopy
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;Now set up the copying of text.
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jsr CopyText
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;Copy the ruler if necessary.
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lda Type
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bne noruler
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MoveLong [ParRec]:#W_pRulerHand,Ruler
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Cmpl Ruler,OldRuler
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bne getnewruler
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MoveLong [NewRuler],NRPtr
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lda [NRPtr]
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inc a
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sta [NRPtr]
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bra noruler
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getnewruler
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call D_NeedHand,in=(#W_RulBytes:l),out=(NewRuler:l),err=err
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bcc @1
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jsr DisposeCurrentBlock ;Only disposes if nothing else has used it.
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brl memoryerror
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@1
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MoveLong [NewRuler],NRPtr
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tool _BlockMove,in=([Ruler]:l,NRPtr:l,#W_RulBytes:l)
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MoveWord #1,[NRPtr]
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MoveLong Ruler,OldRuler
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bra update
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noruler Stzl Ruler
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update
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;Update the paragraph array. This is used for all paragraphs
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MoveLong [Scrap],Sptr
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AddLong Sptr,Soff,ParPtr
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Addwl #W_pBytes,Soff
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MoveLong Block,[ParPtr]
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MoveWord NewOffset,[ParPtr]:#W_pOffset
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MoveWord Type,[ParPtr]:#W_pAttr
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MoveLong NewRuler,[ParPtr]:#W_pRulerHand
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MoveWord #0,[ParPtr]:#W_PRulerHand+4
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MoveWord a,[ParPtr]:#W_PRulerHand+6
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MoveWord a,[ParPtr]:#W_PRulerHand+8
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MoveWord a,[ParPtr]:#W_PRulerHand+10
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lda [Sptr]
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inc a
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sta [Sptr]
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Cmpw Par,Endp
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bge massage
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inc Par
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brl parloop
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massage call X_MassageWPScrap,in=(Scrap:l)
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bra exit
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memoryerror call X_DisposeWPScrap,in=Scrap:l
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exit return
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;This sets up several variables about the paragraph in Par. Length will be the size
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;of the text. ParRec wil be the pointer to the paragraph record. OldTextPtr will
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;point to the first character of text past the paragraph header. Offset will be
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;the offset into the block for this character. Type will be the type of paragraph.
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;Length includes the carraige return.
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GetParInfo rcall W_GetParRec,in=(Par:a),out=(ParRec:ax) ;input paragraph in Par
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stz Length
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MoveWord [ParRec]:#W_pAttr,Type
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MoveWord [ParRec]:#W_pOffset,Offset
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;Find the end of the paragraph by subtracting offsets.
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;Is this the first paragraph?
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Cmpw Par,Startp
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bne notfirst
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AddWord StartO,Offset,Offset
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notfirst
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;Is this the last? Then this is simple.
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Cmpw Par,Endp
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bne notlast
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cmpw Par,StartP
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bne @1
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Subword EndO,StartO,Length ;fucking special cases !
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rts
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@1
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MoveWord EndO,Length
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rts
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;Note: Since this is not the last paragraph in the selection, it is not the last
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;paragraph in the document. This takes care of one special case.
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;If the next paragraph is in the same block, we subtract the offsets of the two paragraphs.
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notlast MoveLong [ParRec],CurrentBlock
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MoveLong [ParRec]:#W_pBytes,NextBlock
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Cmpl CurrentBlock,NextBlock
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bne notsameblock
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SubWord [ParRec]:#W_PBytes+W_pOffset,Offset,Length
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rts
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;If not, we subtract the start offset from the used field in the text block.
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notsameblock
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MoveLong [CurrentBlock],CBPtr
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SubWord [CBPtr]:#2,Offset,Length
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rts
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;Will allocate a new block if there is none. Will make space if there would still
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;be less than 3K. Will make new text block if not. Sets up the variables Block,
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;Bptr,NewOffset. Uses Length variable. Does NOT lock the block. If it is the last
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;paragraph, one is added to the size for the carriage return.
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GrowBlock Cpzl Block
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beq newblock
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MoveLong [Block],Bptr
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AddWord Length,[Bptr],NewSize
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Cmpw Par,EndP
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bne nocrroom
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inc NewSize
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nocrroom Cmpw NewSize,#BlockSize
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jge newblock
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inc BlockUsed
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call D_GrowHandle,in=(#0:w,NewSize:w,Block:l),err=err
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bcc @1
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rts
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@1
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MoveLong [Block],Bptr
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MoveWord [Bptr],NewOffset
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MoveWord NewSize,[Bptr]
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MoveWord a,[Bptr]:#2
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Addwl NewOffset,Bptr
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clc
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rts
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newblock
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;This is the first allocation
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stz BlockUsed
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AddWord Length,#4,NewSize
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Cmpw Par,StartP
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bne @3
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Addwl #7,NewSize
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@3 Cmpw Par,Endp
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bne @2
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inc NewSize
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@2
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call D_NeedHand,in=(#0:w,NewSize:w),out=(Block:l),err=err
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bcc @1
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rts
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@1 MoveLong [Block],Bptr
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MoveWord NewSize,[Bptr]
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MoveWord a,[Bptr]:#2
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MoveWord #4,NewOffset
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Addwl #4,Bptr
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clc
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rts
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;Disposes of current block if it has never been grown.
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DisposeCurrentBlock
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lda BlockUsed
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bne @1
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tool _DisposeHandle,in=(Block:l)
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@1 rts
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;Copies text from CBptr to Bptr filtering out date pages and time
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CopyText ldy #0
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shortm
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loop lda Length
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ora Length+1
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beq addcr
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lda [CBptr],y
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sta [Bptr],y
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cmp #CR+1
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blt special
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notspecial iny
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lda Length
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bne @1
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dec Length+1
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@1 dec Length
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bra loop
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special cmp #CR
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beq docr
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cmp #8
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bge notspecial
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cmp #5
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blt changes
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lda #' '
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sta [Bptr],y
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bra notspecial
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changes cmp #1
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beq dofont
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dotwo longm
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lda [CBptr],y
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sta [Bptr],y
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iny
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iny
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SubWord Length,#2,Length
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shortm
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bra loop
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dofont iny
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lda Length
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bne @1
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dec Length+1
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@1 dec Length
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bra dotwo
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addcr lda #CR
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sta [BPtr],y
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docr longm
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rts
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ENDP
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*****************************************************************************************************
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; W_PasteAscii ( textptr:long, textlen:word, paragraph:word, offset:word )
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;
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; This routine is called to quickly paste text at the given location, without remaking the line
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; handles. The text must not contain carriage returns.
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;
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; Note: Can return memory errors.
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W_PasteAscii PROC EXPORT
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input txtptr:l,txtlen:w,par:w,off:w
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local addr:l
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error err
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begin
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stz err
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lda txtlen
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beq exit
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call W_MakeRoom,in=(par:w,off:w,txtlen:w),err=err
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bcs exit
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rcall W_GetAddr,in=(par:a,off:x),out=(addr:ax)
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tool _BlockMove,in=(txtptr:l,addr:l,#0:w,txtlen:w)
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exit return
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ENDP
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****************************************************************
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*
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* W_DeleteText(par:w,soff:w,eoff:w) -- quickly delete the text
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* between the two limits, without recomputing the line
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* handles.
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*
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****************************************************************
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W_DeleteText PROC EXPORT
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input par:w,soff:w,eoff:w
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local sfont:l,scolor:w,efont:l,ecolor:w,fbytes:w
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begin
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cmpw soff,eoff
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jeq exit
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spaceword
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spacelong
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pushword par
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pushword soff
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jsl W_FindFont2
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pulllong sfont
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pullword scolor
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spaceword
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spacelong
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pushword par
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pushword eoff
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jsl W_FindFont2
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pulllong efont
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pullword ecolor
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spaceword
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pushlong sfont
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pushword scolor
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pushlong efont
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pushword ecolor
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jsl W_CalcFBytes
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pullword fbytes
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pushword par
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pushword soff
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lda eoff
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sec
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sbc soff
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sbc fbytes
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pha
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jsl W_LessRoom
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lda par
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ldx soff
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jsl W_GetAddr
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pushlong ax
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pushlong sfont
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pushword scolor
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pushlong efont
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pushword ecolor
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jsl W_WriteFBytes
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exit return
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ENDP
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END
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