1 line
14 KiB
ArmAsm
Executable File
1 line
14 KiB
ArmAsm
Executable File
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load 'macros.dump'
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include 'driver.equ'
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include 'pl.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_BitMapChanged
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IMPORT D_BitMapPtr
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IMPORT D_ClearBitMap
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IMPORT D_Deref
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IMPORT D_DrawText
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IMPORT D_GetStats
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IMPORT D_KillFont
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IMPORT P_ContentRect
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IMPORT P_CurrentWin
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IMPORT P_DrawFigure
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IMPORT P_H
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IMPORT P_Page
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IMPORT P_PageMode
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IMPORT P_V
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IMPORT D_RectZap
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IMPORT D_SelectFont
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IMPORT D_Set4Pat
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IMPORT T_CountSpaces
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IMPORT T_CurColor
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IMPORT T_CurFont
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IMPORT T_CurParHdl
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IMPORT T_CurRulBits
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IMPORT T_CurSize
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IMPORT T_CurStyle
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IMPORT T_GetParPtr
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IMPORT T_GetSpacing
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IMPORT T_GetStart
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IMPORT T_LockLines
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IMPORT T_LockRuler
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IMPORT T_MulLine
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IMPORT T_ScalePort
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IMPORT T_TrackFont
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IMPORT T_UnlockRuler
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IMPORT T_UseTab
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IMPORT P_PageRect
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IMPORT P_FullPageRect
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;-----------------------------------------------
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;
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; Forward addresses and entries
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;
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;-----------------------------------------------
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ENTRY T_DrawLine
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ENTRY T_DrawLines
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ENTRY T_DrawOSLine
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;-------------------------------------------------------------------------------
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;
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; T_Update (ObjHdl:l; Printing:w)
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;
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T_Update PROC EXPORT
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;Using P_Data
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;Using P_ObjData
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;Using T_Data
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;Using T_TextEqu
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INPUT ObjHdl:l,Printing:w
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LOCAL ObjPtr:l,ParagHdl:l,ParagPtr:l
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LOCAL ParagNo:w,StartLine:w,VertPos:w,Q_Rect:r
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LOCAL ParagCount:w,MaxHeight:w
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BEGIN
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pushlong T_CurParHdl
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rcall D_Deref,in=(ObjHdl:ax),out=(ObjPtr:ax)
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movelong [ObjPtr]:#P_ParagHdl,ParagHdl
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movelong ParagHdl,T_CurParHdl
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rcall T_GetParPtr,in=(#0:a),out=(ParagPtr:ax)
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moveword [ParagPtr],ParagCount
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moverect [ObjPtr]:#P_ObjRect,Q_Rect
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subword Q_Rect+4,Q_Rect,MaxHeight
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lda Printing
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bne Skip
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tool _SetPensize,in=(#2:w,#1:w)
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call D_Set4Pat,in=(#3:w)
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call P_DrawFigure,in=(#P_RECTANGLE:w,Q_Rect:l,Q_Rect+4:l)
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tool _PenNormal
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Skip
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moveword [ObjPtr]:#P_StartParag,ParagNo
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moveword [ObjPtr]:#P_StartLine,StartLine
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stz VertPos
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lda ParagNo
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cmp #$FFFF
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beq Done
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ParLoop
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rcall T_GetParPtr,in=(ParagNo:a),out=(ParagPtr:ax)
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in ObjPtr:l,ParagNo:w,StartLine:w,[ParagPtr]:#T_LineCount:w
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in VertPos:w,#0:w
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out VertPos:w
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xcall T_DrawLines
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cmp MaxHeight
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bge Done
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inc ParagNo
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cmpw ParagNo,ParagCount
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bge Done
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stz StartLine
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bra ParLoop
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Done
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pulllong T_CurParHdl
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tool _HUnlock,in=(ObjHdl:l)
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RETURN
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ENDP
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;-------------------------------------------------------------------------------
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;
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; T_DrawParag (ParagNo:w,StartLine:w,MaxLine:w,VertPos:w)
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;
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; Draw the specified lines in the specified paragraph. Cross object bounds
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; if neccessary.
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;
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; Current Bugs
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; 1. May not handle MaxLine correctly if it is not the last Q_Line
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; and the paragraph crosses objects.
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T_DrawParag PROC EXPORT
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;Using P_Data
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;Using P_ObjData
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;Using T_TextEqu
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;Using T_Data
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INPUT ParagNo:w,StartLine:w,MaxLine:w,VertPos:w
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LOCAL ObjHdl:l,ObjPtr:l,ParagPtr:l
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BEGIN
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rcall T_GetParPtr,in=(ParagNo:a),out=(ParagPtr:ax)
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movelong [ParagPtr]:#T_ObjHdl,ObjHdl
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movelong [ObjHdl],ObjPtr
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ObjLoop
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cmpw ParagNo,[ObjPtr]:#P_EndParag
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blt CkDraw
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cmpw StartLine,[ObjPtr]:#P_EndLine
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bge NextObject
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CkDraw
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cmpw [ObjPtr]:#P_PageNo,P_Page
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bne NextObject
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tool _HLock,in=(ObjHdl:l)
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in ObjPtr:l,ParagNo:w,StartLine:w,MaxLine:w,VertPos:w,#1:w
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out a:w
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xcall T_DrawLines
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tool _HUnlock,in=(ObjHdl:l)
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NextObject
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movelong [ObjPtr]:#P_NThread,ObjHdl
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cpzl ObjHdl
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beq Exit
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movelong [ObjHdl],ObjPtr
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cmpw [ObjPtr]:#P_StartParag,ParagNo
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bne Exit
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moveword [ObjPtr]:#P_StartLine,StartLine
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stz VertPos
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brl ObjLoop
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Exit
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RETURN
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ENDP
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;-------------------------------------------------------------------------------
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;
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; _DrawLines (ObjPtr:l,ParagNo:w,StartLine:w,EndLine:w,StartVert:w
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; OffScreen:w): EndVert:w
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;
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; Draws the part of the paragraph specified by StartLine and EndLine.
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; EndLine is really one larger than the last Q_Line drawn.
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; It doesn't draw across object boundaries.
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T_DrawLines PROC EXPORT
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;Using P_Data
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;Using P_ObjData
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;Using T_Data
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;Using T_TextEqu
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INPUT ObjPtr:l,ParagNo:w,StartLine:w,MaxLine:w
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INPUT StartVert:w,OffScreen:w
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OUTPUT EndVert:w
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LOCAL ParagPtr:l,LinesHdl:l,LinesPtr:l,TextHdl:l,TextPtr:l
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LOCAL ParHeight:w,MaxWidth:w,CurLine:w
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LOCAL LeftPix:w,TopPix:w,MaxVert:w
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LOCAL BaseLine:w,Ascent:w,Descent:w,Flags:w
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BEGIN
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subword [ObjPtr]:#P_TRect+6,[ObjPtr]:#P_TRect+2,MaxWidth
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subword [ObjPtr]:#P_TRect+4,[ObjPtr]:#P_TRect,MaxVert
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rcall T_GetParPtr,in=(ParagNo:a),out=(ParagPtr:ax)
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movelong [ParagPtr]:#T_TextBlock,TextHdl
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moveword [ParagPtr]:#T_ParHeight,ParHeight
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rcall D_Deref,in=(TextHdl:ax),out=(TextPtr:ax)
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moveword [ParagPtr]:#T_ParOffset,a
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addwl a,TextPtr
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rcall T_LockRuler,in=(ParagPtr:ax)
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rcall T_LockLines,in=(ParagNo:a),out=(LinesHdl:ax)
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movelong [LinesHdl],LinesPtr
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lda StartLine
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sta CurLine
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jsl T_MulLine
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addwl a,LinesPtr
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call T_TrackFont,in=(TextPtr:l,[LinesPtr]:w)
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subword P_ContentRect+2,P_H,a
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addword a,[ObjPtr]:#P_TRect+2,LeftPix
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subword P_ContentRect,P_V,a
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addword a,[ObjPtr]:#P_TRect,TopPix
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LineLoop
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stz Flags
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lda CurLine
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bne NotFirst
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lda Flags
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ora #T_FirstLine
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sta Flags
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NotFirst
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inc CurLine
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cmpw CurLine,MaxLine
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blt DoLine
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jne Done
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lda Flags
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ora #T_LastLine
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sta Flags
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DoLine
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moveword [LinesPtr]:#T_Ascent,a
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and #$ff
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sta Ascent
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moveword [LinesPtr]:#T_Descent,a
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and #$ff
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sta Descent
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rcall T_GetSpacing,in=(T_CurRulBits:a,Ascent:x,Descent:y)
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addword a,Ascent,a
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addword a,StartVert,StartVert
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sta BaseLine
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pushword LeftPix
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addword StartVert,TopPix,s
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_MoveTo
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addword StartVert,Descent,StartVert
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cmp MaxVert
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bge Done
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lda P_PageMode
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bne DrawOff
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lda OffScreen
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beq DrawOn
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DrawOff
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in TextPtr:l,LinesPtr:l,Flags:w
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in [ObjPtr]:#P_TRect+4:l,[ObjPtr]:#P_TRect:l,BaseLine:w
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xcall T_DrawOSLine
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bra DrewIt
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DrawOn
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in TextPtr:l,LinesPtr:l,MaxWidth:w,Flags:w
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xcall T_DrawLine
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DrewIt addwl #T_LineInfoSize,LinesPtr
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brl LineLoop
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Done moveword StartVert,EndVert
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call T_UnlockRuler
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tool _HUnlock,in=(LinesHdl:l)
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tool _HUnlock,in=(TextHdl:l)
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RETURN
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ENDP
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;------------------------------------------------------------------------------;
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;
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; T_DrawLine (TextPtr:l,LinePtr:l,MaxWidth:w,Flags:w)
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;
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T_DrawLine PROC EXPORT
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;Using P_Data
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;Using P_ObjData
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;Using T_Data
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;Using T_TextEqu
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INPUT TextPtr:l,LinePtr:l,MaxWidth:w,Flags:w
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LOCAL Offset:w,Length:w,LineWidth:w,theChar:w
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LOCAL MaxOffset:w,StartSeg:w,EndSeg:w,LeftOffset:w
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LOCAL Spaces:w,TabStop:w,FontChanged:w
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LOCAL BaseChange:w,BaseOffset:w
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LOCAL MaxAscent:w,MaxDescent:w,Descent:w
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LOCAL NoIndent:w,Pt:l,LeftMarg:w,CurH:w,NewH:w
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LOCAL TempPtr:l,SpaceWidth:w
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BEGIN
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moveword [LinePtr]:#T_Offset,Offset
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moveword [LinePtr]:#T_Length,Length
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moveword [LinePtr]:#T_LineWidth,LineWidth
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addword Length,Offset,MaxOffset
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lda Flags
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and #T_FIRSTLINE
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eor #T_FIRSTLINE
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sta NoIndent
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in LineWidth:w,MaxWidth:w,NoIndent:w
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out LeftOffset:w
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xcall T_GetStart
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lda T_CurRulBits
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and #T_Full
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beq DrawIt
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lda Flags
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and #T_LastLine
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bne DrawIt
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in TextPtr:l,Offset:w,MaxOffset:w
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out TabStop:w,Spaces:w
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xcall T_CountSpaces
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lda TabStop
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bne TabOnLine
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lda Spaces ; Don't divide by 0
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beq TabOnLine
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spacelong
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subword MaxWidth,LineWidth,s
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pushword Spaces
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_FixRatio
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_SetSpaceExtra
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TabOnLine
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DrawIt
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rcall D_SelectFont,in=(T_CurFont:a,T_CurStyle:x,T_CurColor:y)
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stz FontChanged
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moveword Offset,StartSeg
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tool _GetPen,in=(!Pt:l)
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moveword Pt+2,LeftMarg
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tool _Move,in=(LeftOffset:w,#0:w)
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CharLoop cmpw Offset,MaxOffset
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jge EndLine
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moveword [TextPtr]:Offset,a
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inc Offset
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and #$ff
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sta theChar
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cmp #T_ColorChange+1
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blt SpecialChar
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cmp #TAB
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beq DoTab
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; real characters
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lda FontChanged
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beq CharLoop
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rcall D_SelectFont,in=(T_CurFont:a,T_CurStyle:x,T_CurColor:y)
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stz FontChanged
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subword Offset,#1,StartSeg
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bra CharLoop
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DoTab
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lda FontChanged
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bne IsDrawn
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subword Offset,#1,EndSeg
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jsr DrawSegment
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IsDrawn
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tool _GetPen,in=(!Pt:l)
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subword Pt+2,LeftMarg,CurH
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in TextPtr:l,Offset:w,CurH:w,MaxWidth:w
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in T_CurFont:l,T_CurColor:w
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out a:w
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xcall T_UseTab
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bmi EndLine
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sta NewH
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subword NewH,CurH,s
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pushword #0
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_Move
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moveword Offset,StartSeg
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brl CharLoop
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SpecialChar
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pha
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lda FontChanged
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bne DoJump
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subword Offset,#1,EndSeg
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jsr DrawSegment
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inc FontChanged
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DoJump pla
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asl a
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tax
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jmp (JumpTable,x)
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FontChange moveword [TextPtr]:Offset,T_CurFont
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inc Offset
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bra ChangeExit
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StyleChange movebyte [TextPtr]:Offset,T_CurStyle
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bra ChangeExit
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SizeChange movebyte [TextPtr]:Offset,T_CurSize
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bra ChangeExit
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ColorChange moveword [TextPtr]:Offset,a
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and #$ff
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sta T_CurColor
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ChangeExit inc Offset
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brl CharLoop
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EndLine
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lda FontChanged
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bne IsDrawn2
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moveword Offset,EndSeg
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jsr DrawSegment
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IsDrawn2
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lda T_CurRulBits
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and #T_FULL
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beq Exit
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tool _SetSpaceExtra,in=(#0:l)
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Exit RETURN
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DrawSegment
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stz BaseChange
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lda T_CurStyle
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; and #SuperScript-SubScript
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and #SuperScript+SubScript
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beq Draw
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; eor #SuperScript-SubScript
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eor #SuperScript+SubScript
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beq Draw
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inc BaseChange
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stz BaseOffset
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lda T_CurStyle
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and #$ffff-SuperScript-SubScript
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tax
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rcall D_SelectFont,in=(T_CurFont:a,x:x,T_CurColor:y)
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lda T_CurStyle
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and #SuperScript
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beq DoSub
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moveword [LinePtr]:#T_Ascent,a
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and #$ff
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sta MaxAscent
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jsl D_GetStats
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subword a,MaxAscent,BaseOffset
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tool _Move,in=(#0:w,BaseOffset:w)
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bra Draw
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DoSub
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moveword [LinePtr]:#T_Descent,a
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and #$ff
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sta MaxDescent
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jsl D_GetStats
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stx Descent
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subword MaxDescent,Descent,BaseOffset
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tool _Move,in=(#0:w,BaseOffset:w)
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Draw
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SpaceWord
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pushword #SPACE
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_CharWidth
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pullword SpaceWidth
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lda StartSeg
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addlong a,TextPtr,TempPtr
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pushlong TempPtr
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subword EndSeg,StartSeg,y
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lda LeftOffSet
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clc
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adc LineWidth
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adc SpaceWidth
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cmp MaxWidth
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blt NoSpaceAtEnd
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Dloop
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dey
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bmi OutOfBounds
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lda [TempPtr],y
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and #$FF
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cmp #SPACE ;is it a space?
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beq NoSpaceAtEnd
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OutOfBounds
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iny
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NoSpaceAtEnd
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phy ;# of chars to draw
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call D_DrawText
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lda BaseChange
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beq No
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pushword #0
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subword #0,BaseOffset,s
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_Move
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No
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rts
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JumpTable DC.W CharLoop ; 0
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DC.W FontChange ; 1
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DC.W StyleChange ; 2
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DC.W SizeChange ; 3
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DC.W ColorChange ; 4
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ENDP
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;------------------------------------------------------------------------------;
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;
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; T_DrawOSLine (TextPtr:l,LinePtr:l,Flags:w,TextRect:r,BaseLine:w)
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;
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T_DrawOSLine PROC EXPORT
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;Using P_Data
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;Using T_Data
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;Using T_TextEqu
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;Using D_GlobalData
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INPUT TextPtr:l,LinePtr:l,Flags:w,TextRect:r,BaseLine:w
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LOCAL Ascent:w,Descent:w,MaxWidth:w,Port:l
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LOCAL ClipRect:r,ScaleRect:r,MoreLoc:r,LocInfo:r
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LOCAL VertPos:w,HorizPos:w
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BEGIN
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moveword #1,>D_BitMapChanged
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moveword [LinePtr]:#T_Ascent,a
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and #$ff
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sta Ascent
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moveword [LinePtr]:#T_Descent,a
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and #$ff
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sta Descent
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rcall T_GetSpacing,in=(T_CurRulBits:a,Ascent:x,Descent:y)
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addword a,Ascent,Ascent
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subword TextRect+6,TextRect+2,MaxWidth
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movelong P_CurrentWin,Port
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lda P_PageMode
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jne ScaleLine
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; Adjust top,left and right of rectangle to local coordinates
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subword P_ContentRect,P_V,a
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addword a,TextRect,TextRect
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subword P_ContentRect+2,P_H,a
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addword a,TextRect+2,TextRect+2
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addword a,MaxWidth,TextRect+6
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; Narrow in on the Q_Line of Q_Text
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addword TextRect,BaseLine,VertPos
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subword a,Ascent,TextRect
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addword VertPos,Descent,TextRect+4
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; Adjust rectangle to global coordinates
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moveword TextRect+2,HorizPos
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tool _LocalToGlobal,in=(!TextRect:l)
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tool _LocalToGlobal,in=(!TextRect+4:l)
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call D_ClearBitMap,in=(!TextRect:l)
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tool _MoveTo,in=(HorizPos:w,VertPos:w)
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pushlong [Port]:#2 ;D_Save BitMap Ptr
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movelong >D_BitMapPtr,[Port]:#2
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in TextPtr:l,LinePtr:l,MaxWidth:w,Flags:w
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xcall T_DrawLine
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pulllong [Port]:#2 ;Restore BitMap Ptr
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; Intersect the zap rectangle with the content Q_Rect in global coords.
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moverect P_ContentRect,ClipRect
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tool _LocalToGlobal,in=(!ClipRect:l)
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tool _LocalToGlobal,in=(!ClipRect+4:l)
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tool _SectRect,in=(!TextRect:l,!ClipRect:l,!TextRect:l),out=(a:w)
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beq NoZap
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call D_RectZap,in=(!TextRect:l)
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NoZap brl Exit
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ScaleLine
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; Narrow in on the Q_Line of Q_Text
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addword TextRect,BaseLine,VertPos
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subword a,Ascent,TextRect
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addword VertPos,Descent,TextRect+4
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; Scale rectangle
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moverect TextRect,ScaleRect
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tool _MapRect,in=(!ScaleRect:l,#P_PageRect:l,#P_FullPageRect:l)
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subword TextRect+4,TextRect,TextRect+4
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subword TextRect+6,TextRect+2,TextRect+6
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stz TextRect
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stz TextRect+2
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call D_ClearBitMap,in=(#ScreenRect:l)
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tool _SetPort,in=(T_ScalePort:l)
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jsl D_KillFont
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tool _MoveTo,in=(#0:w,Ascent:w)
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in TextPtr:l,LinePtr:l,MaxWidth:w,Flags:w
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xcall T_DrawLine
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tool _SetPort,in=(Port:l)
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pushlong T_ScalePort ;Src LocInfo
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pushlong Port ;Dest LocInfo
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pushlong !TextRect ;Src Q_Rect
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pushlong !ScaleRect ;Dest Q_Rect
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pushword #NotBIC ;Mode
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pushlong #0
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_CopyPixels
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Exit RETURN
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ScreenRect DC.W 0,0,199,640
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ENDP
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;------------------------------------------------------------------------------
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;
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; T_DrawOneLine (ParagNo:w,LineNo:w,ObjHdl:l,VertPos:w)
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;
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T_DrawOneLine PROC EXPORT
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;Using P_Data
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;Using P_ObjData
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;Using T_TextEqu
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;Using T_Data
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INPUT ParagNo:w,LineNo:w,ObjHdl:l,VertPos:w
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LOCAL ParagPtr:l,TextHdl:l,TextPtr:l
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LOCAL ObjPtr:l,LinesHdl:l,LinePtr:l
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LOCAL Flags:w,Ascent:w,Descent:w
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BEGIN
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rcall T_GetParPtr,in=(ParagNo:a),out=(ParagPtr:ax)
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rcall T_LockRuler,in=(ax:ax)
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movelong [ParagPtr]:#T_TextBlock,TextHdl
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tool _HLock,in=(TextHdl:l)
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movelong [TextHdl],TextPtr
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moveword [ParagPtr]:#T_ParOffset,a
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addwl a,TextPtr
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rcall T_LockLines,in=(ParagNo:a),out=(LinesHdl:ax)
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movelong [LinesHdl],LinePtr
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rcall T_MulLine,in=(LineNo:a),out=(a:a)
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addwl a,LinePtr
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stz Flags
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moveword [ParagPtr]:#T_LineCount,a
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dec a
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cmp LineNo
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bne NotLast
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moveword #T_LastLine,Flags
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NotLast lda LineNo
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bne NotFirst
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lda Flags
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ora #T_FirstLine
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sta Flags
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NotFirst
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moveword [LinePtr]:#T_Ascent,a
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and #$ff
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sta Ascent
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moveword [LinePtr]:#T_Descent,a
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and #$ff
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sta Descent
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rcall T_GetSpacing,in=(T_CurRulBits:a,Ascent:x,Descent:y)
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addword a,Ascent,a
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addword a,VertPos,VertPos
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call T_TrackFont,in=(TextPtr:l,[LinePtr]:w)
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movelong [ObjHdl],ObjPtr
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in TextPtr:l,LinePtr:l,Flags:w
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in [ObjPtr]:#P_TRect+4:l,[ObjPtr]:#P_TRect:l,VertPos:w
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xcall T_DrawOSLine
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call T_UnlockRuler
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tool _HUnlock,in=(TextHdl:l)
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tool _HUnlock,in=(LinesHdl:l)
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RETURN
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ENDP
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END
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