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FSE.asm
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******************************************************************************
****** ******
****** ABBS - Amiga Bulletin Board System ******
****** Written By Geir Inge Høsteng ******
****** ******
******************************************************************************
*****************************************************************
*
* NAME
* FSE.asm
*
* DESCRIPTION
* FullScreen editor for abbs
*
* AUTHOR
* Geir Inge Høsteng
*
* $Id: FSE.asm 1.1 1995/06/24 10:32:07 geirhos Exp geirhos $
*
* MODIFICATION HISTORY
* $Log: FSE.asm $
;; Revision 1.1 1995/06/24 10:32:07 geirhos
;; Initial revision
;;
*
*****************************************************************
NOLIST
include 'exec/types.i'
include 'dos/dos.i'
include 'asm.i'
include 'bbs.i'
include 'fse.i'
include 'node.i'
LIST
XDEF fseeditor
XREF dosbase
XREF exebase
XREF getfullnamewithreq
XREF getline
XREF konverter
XREF konverterw
XREF readchar
XREF skrivnr
XREF strcopy
XREF strcopymaxlen
XREF strlen
XREF strrcopy
XREF upchar
XREF writechar
XREF writechari
XREF writetexti
XREF writetextleni
XREF writetextmemi
XREF writetext
XREF nodehook
XREF dosnip
XREF justchecksysopaccess
XREF spacetext
XREF enterffnametext
XREF privatemsgtext
XREF tonoansitext
XREF bordertext
XREF subjecttext
XREF abortmsgtext
XREF ansiyellowtext
XREF ansiredtext
XDEF NormAtttext
XDEF ansiclearsctext
;*****************************************************************************
; Full Screen editor.
;*****************************************************************************
;d0 - x
;d1 - y
MoveCursor
cmp.w (FizzX,a3),d0
bne.b 1$
cmp.w (FizzY,a3),d1
beq.b 9$
1$ move.w d0,(FizzX,a3)
move.w d1,(FizzY,a3)
bsr ControlCursor
9$ rts
InsertLines
movem.l d2/d3/d4,-(a7)
move.w d0,d2
move.w d1,d3
; d2 = L
; d3 = N
; d4 = I
move.w #1,d0
move.w (WindowEnd,a3),d1
sub.w d3,d1
addq.w #1,d1
bsr.b MoveCursor
move.w d3,d0
bsr ControlDelete
move.w #1,d0
move.w d2,d1
bsr.b MoveCursor
move.w d3,d0
bsr ControlInsert
move.w (WindowEnd,a3),d4
lea (ScreenUpd,a3),a0
lea (ScreenClr,a3),a1
1$ move.w d2,d0
add.w d3,d0
cmp.w d4,d0
bhi.b 3$
move.w d4,d0
sub.w d3,d0
move.b (0,a0,d0.w),(0,a0,d4.w)
move.b (0,a1,d0.w),(0,a1,d4.w)
bra.b 2$
3$ move.b #1,(0,a0,d4.w)
move.b #1,(0,a1,d4.w)
2$ subq.w #1,d4
cmp.w d4,d2
bls.b 1$
movem.l (a7)+,d2/d3/d4
rts
DeleteLines
movem.l d2/d3/d4,-(a7)
move.w d0,d2
move.w d1,d3
; d2 = L
; d3 = N
; d4 = I
move.w #1,d0
move.w d2,d1
bsr MoveCursor
move.w d3,d0
bsr ControlDelete
move.w d2,d4
lea (ScreenUpd,a3),a0
lea (ScreenClr,a3),a1
1$ move.w (WindowEnd,a3),d0
sub.w d3,d0
cmp.w d4,d0
bcs.b 3$
move.w d4,d0
add.w d3,d0
move.b (0,a0,d0.w),(0,a0,d4.w)
move.b (0,a1,d0.w),(0,a1,d4.w)
bra.b 2$
3$ move.b #1,(0,a0,d4.w)
move.b #1,(0,a1,d4.w)
2$ addq.w #1,d4
cmp.w (WindowEnd,a3),d4
bls.b 1$
movem.l (a7)+,d2/d3/d4
rts
PadLine ; ensure that all chars lower than X exist
move.l (FSEbuffer,a3),a1
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a1,d0.l),a0
move.l a0,-(a7)
bsr strlen
movea.l (a7)+,a0
move.w (X,a3),d1
subq.w #1,d1
cmp.w d1,d0
bcc.b 9$
adda.l d0,a0
1$ move.b #' ',(a0)+
addq.l #1,d0
cmp.w d0,d1
bcc.b 1$
move.b #0,(a0)
9$ rts
UnPadLine ; strip trailing blanks
move.l (FSEbuffer,a3),a1
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a1,d0.l),a0
move.l a0,-(a7)
bsr strlen
movea.l (a7)+,a0
beq.b 9$
adda.l d0,a0
1$ cmpi.b #' ',-(a0)
bne.b 2$
subq.l #1,d0
bne.b 1$
subq.l #1,a0
2$ move.b #0,(1,a0)
9$ rts
; d0 = pos
MarkIt movem.l d2/d3,-(a7) ; remember to update from current position
move.w d0,d2
; d2 - pos
; d3 - Z
move.w (Y,a3),d3
cmp.w (NrLines,a2),d3
bls.b 1$
move.w d3,(NrLines,a2)
1$ sub.w (P,a3),d3
addq.w #WindowTop,d3 ; Z = Y-P+WindowTop
move.w (Y,a3),d0
cmp.w (P,a3),d0
bcs.b 9$
move.w (P,a3),d1
add.w (WindowSiz,a3),d1
cmp.w d0,d1
bcs.b 9$
lea (ScreenUpd,a3),a0
moveq.l #0,d0
move.b (0,a0,d3.w),d0
cmp.w d0,d2
bcc.b 9$
move.b d2,(0,a0,d3.w)
9$ movem.l (a7)+,d2/d3
rts
DoLineDelete
movem.l d2/d3/d4/d5,-(a7)
move.l a2,-(a7)
move.w d0,d2
; d2 = N
; d3 = I
; d5 = LinesSize
move.l (FSEbuffer,a3),a2
moveq.l #0,d5
move.b #LinesSize,d5
move.w (MaxFSEbufferlines,a3),d4
subq.w #1,d4
mulu.w d5,d4
move.w d2,d3
subq.w #1,d3
mulu.w d5,d3
1$ lea (0,a2,d3.l),a1
add.l d5,d3
lea (0,a2,d3.l),a0
bsr strcopy
cmp.l d3,d4
bcc.b 1$
move.w (MaxFSEbufferlines,a3),d0
subq.w #1,d0
mulu.w d5,d0
move.b #0,(0,a2,d0.l)
cmp.w (P,a3),d2
bcs.b 2$
move.w (P,a3),d0
add.w (WindowSiz,a3),d0
cmp.w d0,d2
bhi.b 2$
move.w d2,d0
sub.w (P,a3),d0
addq.w #WindowTop,d0
move.w #1,d1
bsr DeleteLines
2$ movea.l (a7)+,a2
cmp.w (NrLines,a2),d2
bhi.b 9$ ; Mike har bcc her.
subq.w #1,(NrLines,a2)
9$ movem.l (a7)+,d2/d3/d4/d5
rts
DoLineInsert
movem.l d2/d3/d4/d5,-(a7)
move.l a2,-(a7)
move.w d0,d2
; d2 = N
; d3 = I
; d5 - linsesize.l
moveq.l #0,d5
move.b #LinesSize,d5
move.l (FSEbuffer,a3),a2
move.w (MaxFSEbufferlines,a3),d3
subq.w #1,d3
mulu.w d5,d3 ; MaxFSEbufferlines * linsesize
move.w d2,d4
; add.w #1,d4 ; N + 1
mulu.w d5,d4 ; N + 1 * linsesize
1$ lea (0,a2,d3.l),a1
sub.l d5,d3
lea (0,a2,d3.l),a0
bsr strcopy
cmp.l d3,d4
bls.b 1$
move.w d2,d0
subq.w #1,d0
mulu.w d5,d0
move.b #0,(0,a2,d0.l)
cmp.w (P,a3),d2
bcs.b 2$
move.w (P,a3),d0
add.w (WindowSiz,a3),d0
cmp.w d0,d2
bhi.b 2$
move.w d2,d0
sub.w (P,a3),d0
addq.w #WindowTop,d0
move.w #1,d1
bsr InsertLines
2$ movea.l (a7)+,a2
move.w (MaxFSEbufferlines,a3),d0
cmp.w (NrLines,a2),d0
bls.b 9$
addq.w #1,(NrLines,a2)
9$ movem.l (a7)+,d2/d3/d4/d5
rts
Wrap move.l d2,-(a7) ; called with text in LongLine, not CurrText^...
;d2 - savedy
move.w (Y,a3),d2 ; SavedY
1$ lea (LongLine,a3),a0
bsr strlen
move.w (WindowWith,a3),d1
subq.w #1,d1
cmp.w d1,d0
bls.b 2$
bsr.b 10$ ; WrapLine
bra.b 1$
2$ lea (LongLine,a3),a0
move.l (FSEbuffer,a3),a1
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a1,d0.l),a1
bsr strcopy
move.w d2,(Y,a3)
move.w (WindowWith,a3),d0
cmp.w (X,a3),d0
bcc.b 9$
move.w d0,(X,a3)
bsr ControlAlarm
9$ move.l (a7)+,d2
rts
10$ movem.l d3-d7/a6,-(a7) ; WrapLine
; d6 = I
; d3 = J
; d4 = P
; d5 = Q
; d2 = SavedY
move.l (FSEbuffer,a3),a0
move.l a0,d7
move.w (MaxFSEbufferlines,a3),d0
cmp.w (Y,a3),d0
bhi.b 11$
move.w (WindowWith,a3),d0
lea (LongLine,a3),a0
move.b #0,(-1,a0,d0.w)
bra 19$
11$ bsr 20$ ; Findsplit
lea (LongLine,a3),a0
movea.l d7,a1
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a1,d0.l),a1
movea.l a1,a6
moveq.l #0,d0
move.b #1,d0
move.w d3,d1
bsr copy
move.w d6,d0
subq.w #1,d0
bsr MarkIt
cmp.w (Y,a3),d2
bne.b 12$
cmp.w (X,a3),d6
bhi.b 12$
addq.w #1,d2
sub.w d6,(X,a3)
addq.w #1,(X,a3)
12$ move.w #1,d4
movea.l a6,a0
bsr strlen
13$ cmp.w d0,d4
bhi.b 14$
move.b (-1,a6,d4.w),d1
cmpi.b #' ',d1
bne.b 14$
addq.w #1,d4
bra.b 13$
14$ addq.w #1,(Y,a3)
lea (LongLine,a3),a0
movea.l a0,a1
moveq.l #0,d0
moveq.l #0,d1
move.w d6,d0
move.b #99,d1
bsr copy
movea.l d7,a1
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a1,d0.l),a6
tst.b (a6)
bne.b 15$
move.w (Y,a3),d0
move.l a6,-(a7)
movea.l (24,a7),a6
bsr DoLineInsert
movea.l (a7)+,a6
15$ lea (LongLine,a3),a0
tst.b (a0)
beq.b 16$
tst.b (a6)
beq.b 16$
17$ tst.b (a0)+
bne.b 17$
move.b #' ',(-1,a0)
move.b #0,(a0)
16$ move.w (Savebits+CU,NodeBase),d0
btst #SAVEBITSB_FSEAutoIndent,d0
beq.b 110$
movea.l d7,a0
move.w (Y,a3),d0
subq.w #2,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
bsr strlen
cmp.w d0,d4
bhi.b 110$
subq.w #1,d4
move.w #1,d5
111$ cmp.w d5,d4
bcs.b 110$
cmp.w (Y,a3),d2
bne.b 112$
addq.w #1,(X,a3)
112$ lea (LongLine,a3),a0
move.b #' ',d0
moveq.l #1,d1
bsr insert
tst.b (a6)
beq.b 113$
cmpi.b #' ',(1,a6)
bne.b 113$
movea.l a6,a0
moveq.l #1,d0
move.w #1,d1
bsr delete
113$ addq.w #1,d5
bra.b 111$
110$ lea (LongLine,a3),a1
18$ tst.b (a1)+
bne.b 18$
subq.l #1,a1
movea.l a6,a0
bsr strcopy
130$ move.w #1,d0
bsr MarkIt
19$ movem.l (a7)+,d3-d7/a6
rts
; d6 = I
; d3 = J
20$ move.w (WindowWith,a3),d3 ; FindSplit
lea (LongLine,a3),a0
21$ move.b (-1,a0,d3.w),d0
cmpi.b #' ',d0
bne.b 22$
move.w d3,d6
addq.w #1,d6
subq.w #1,d3
bra.b 29$
22$ cmpi.b #'-',d0
bne.b 23$
cmp.w (WindowWith,a3),d3
beq.b 23$
move.w d3,d6
addq.w #1,d6
bra.b 29$
23$ subq.w #1,d3
bne.b 21$
move.w (WindowWith,a3),d6
move.w d6,d3
subq.w #1,d3
29$ rts
DoBackspace
cmpi.w #1,(X,a3)
bgt 1$
cmpi.w #1,(Y,a3)
bgt.b 3$
bsr ControlAlarm
bra 9$
3$ move.l d2,-(a7)
lea (LongLine,a3),a1
move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
move.l a0,d2
bsr strcopy
move.w (Y,a3),d0
bsr DoLineDelete
subq.w #1,(Y,a3)
subi.l #LinesSize,d2
movea.l d2,a0
bsr strlen
addi.w #1,d0
move.w d0,(X,a3)
bsr MarkIt
lea (LongLine,a3),a0
tst.b (a0)
beq.b 4$
movea.l d2,a1
tst.b (a1)
beq.b 4$
addq.w #1,(X,a3)
move.b #' ',d0
moveq.l #0,d1
bsr insert
lea (LongLine,a3),a0
4$ lea (tmptext,NodeBase),a1
bsr strcopy
lea (LongLine,a3),a1
movea.l d2,a0
bsr strcopy
subq.l #1,a1
lea (tmptext,NodeBase),a0
bsr strcopy
bsr Wrap
move.l (a7)+,d2
bra 9$
1$ move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
move.l a0,-(a7)
bsr strlen
movea.l (a7)+,a0
addq.l #1,d0
cmp.w (X,a3),d0
bcs.b 2$
moveq.l #0,d0
move.w (X,a3),d0
subq.w #1,d0
move.w #1,d1
bsr delete
move.w (X,a3),d0
subq.w #1,d0
bsr MarkIt
2$ subq.w #1,(X,a3)
9$ rts
DoDelCharacter
move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
bsr strlen
cmp.w (X,a3),d0
bcc.b 1$
move.w (NrLines,a2),d0
cmp.w (Y,a3),d0
bls.b 9$
addq.w #1,(Y,a3)
move.w #0,(X,a3)
1$ addq.w #1,(X,a3)
bsr DoBackspace
9$ rts
DoReturn
movem.l d2/d3,-(a7)
; d2 - I
; d3 - P
move.w (MaxFSEbufferlines,a3),d0
cmp.w (Y,a3),d0
bhi.b 1$
bsr ControlAlarm
bra 9$
1$ move.w (Y,a3),d0
addq.w #1,d0
bsr DoLineInsert
bsr PadLine
move.l (FSEbuffer,a3),a1
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a1,d0.l),a0
addi.l #LinesSize,d0
lea (0,a1,d0.l),a1
moveq.l #0,d0
moveq.l #0,d1
move.w (X,a3),d0
move.b #99,d1
move.l a0,-(a7)
bsr copy
movea.l (a7)+,a0
movea.l a0,a1
moveq.l #0,d0
moveq.l #0,d1
move.b #1,d0
move.w (X,a3),d1
subq.w #1,d1
move.l a0,-(a7)
bsr copy
bsr UnPadLine
move.w (X,a3),d0
bsr MarkIt
move.w #1,d3
movea.l (a7),a0
bsr strlen
movea.l (a7)+,a0
4$ cmp.w d0,d3
bhi.b 3$
move.b (-1,a0,d3.w),d1
cmpi.b #' ',d1
bne.b 3$
addq.w #1,d3
bra.b 4$
3$ move.w #1,(X,a3)
addq.w #1,(Y,a3)
move.w (Savebits+CU,NodeBase),d0
btst #SAVEBITSB_FSEAutoIndent,d0
beq.b 9$
move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #2,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
movea.l a0,a1
bsr strlen
cmp.w d0,d3
bhi.b 9$
lea (LinesSize,a1),a1
move.w #1,d2
subq.w #1,d3
2$ cmp.w d2,d3
bcs.b 9$
addq.w #1,(X,a3)
moveq.l #0,d1
move.b #' ',d0
movea.l a1,a0
bsr insert
addq.w #1,d2
bra.b 2$
9$ movem.l (a7)+,d2/d3
rts
DoTAB move.w (X,a3),d0
move.w (WindowWith,a3),d1
andi.w #$fff8,d1
cmp.w d0,d1
bhi.b 1$
bra ControlAlarm
1$ addq.w #7,d0
andi.w #$fff8,d0
addq.w #1,d0
3$ move.w d0,(X,a3)
rts
DoNewLine
move.w (Y,a3),d0
cmp.w (NrLines,a2),d0
bcs.b 1$
tst.b (HaveCR,a3)
beq DoReturn
bra ControlAlarm
1$ addq.w #1,(Y,a3)
move.w #1,(X,a3)
rts
DoForward
move.w (X,a3),d0
cmp.w (WindowWith,a3),d0
bcc.b 1$
addq.w #1,(X,a3)
rts
1$ move.w (Y,a3),d0
cmp.w (NrLines,a2),d0
bcc ControlAlarm
addq.w #1,(Y,a3)
move.w #1,(X,a3)
rts
DoBackward
cmpi.w #1,(X,a3)
bls.b 1$
subq.w #1,(X,a3)
bra.b 9$
1$ cmpi.w #1,(Y,a3)
bhi.b 2$
bsr ControlAlarm
bra.b 9$
2$ subq.w #1,(Y,a3)
move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
bsr strlen
addq.w #1,d0
move.w d0,(X,a3)
9$ rts
DoWordLeft
subq.w #1,(X,a3)
move.w #0,d0
bsr 10$ ; Find
move.w #1,d0
bsr 10$ ; Find
addq.w #1,(X,a3)
rts
10$ move.l d2,-(a7) ; Find
move.w d0,d2
11$ cmpi.w #1,(X,a3)
bcc.b 12$
tst.w d2
bne.b 19$
cmpi.w #1,(Y,a3)
bls.b 19$
subq.w #1,(Y,a3)
move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
bsr strlen
addq.w #1,d0
move.w d0,(X,a3)
12$ move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
moveq.l #0,d1
move.w (X,a3),d1
add.l d1,d0
cmpi.b #' ',(-1,a0,d0.l)
beq.b 13$ ; true = hopp
tst.w d2
beq.b 19$
bra.b 14$
13$ tst.w d2
bne.b 19$
14$ subq.w #1,(X,a3)
bra.b 11$
19$ move.l (a7)+,d2
rts
DoWordRight
subq.w #1,(X,a3)
move.w #1,d0
bsr 10$ ; Find
move.w #0,d0
bsr 10$ ; Find
rts
10$ movem.l d4/d2/d3,-(a7)
move.w d0,d2
move.l a2,d4
move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a2
movea.l a2,a0
bsr strlen
move.l d0,d3
11$ cmp.w (X,a3),d3
bcc.b 12$
tst.w d2
bne.b 19$
move.w (Y,a3),d0
movea.l d4,a0
cmp.w (NrLines,a0),d0
bcc.b 19$
addq.w #1,(Y,a3)
move.w #0,(X,a3)
move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a2
movea.l a2,a0
bsr strlen
move.l d0,d3
12$ addq.w #1,(X,a3)
move.w (X,a3),d0
cmpi.b #' ',(-1,a2,d0.w)
beq.b 13$ ; True = hopp
tst.w d2
beq.b 19$
bra.b 11$
13$ tst.w d2
beq.b 11$
19$ movea.l d4,a2
movem.l (a7)+,d4/d2/d3
rts
DoUpward
cmpi.w #1,(Y,a3)
bhi.b 1$
bra ControlAlarm
1$ subq.w #1,(Y,a3)
rts
DoPageUp
move.w (Y,a3),d0
cmpi.w #1,d0
bhi.b 1$
bra ControlAlarm
1$ sub.w (WindowSiz,a3),d0
cmpi.w #1,d0
bge.b 2$
move.w #1,d0
2$ move.w d0,(Y,a3)
rts
DoDownward
move.w (NrLines,a2),d0
cmp.w (Y,a3),d0
bhi.b 1$
bra ControlAlarm
1$ addq.w #1,(Y,a3)
rts
DoPageDown
move.w (Y,a3),d1
move.w (NrLines,a2),d0
cmp.w d0,d1
bcc ControlAlarm
add.w (WindowSiz,a3),d1
cmp.w d0,d1
bls.b 2$
move.w d0,d1
2$ move.w d1,(Y,a3)
rts
DoHomeward
cmpi.w #1,(X,a3)
bls.b 1$
move.w #1,(X,a3)
bra.b 9$
1$ move.w (P,a3),d0
cmp.w (Y,a3),d0
beq.b 2$
move.w d0,(Y,a3)
bra.b 9$
2$ move.w #1,(Y,a3)
9$ rts
DoEndward
move.l d2,-(a7)
move.w (P,a3),d2
add.w (WindowSiz,a3),d2
move.w (NrLines,a2),d0
cmp.w d2,d0
bcc.b 1$
move.w d0,d2
1$ move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
bsr strlen
addq.w #1,d0
cmp.w (X,a3),d0
bhi.b 2$
cmp.w (Y,a3),d2
beq.b 3$
move.w d2,(Y,a3)
bra.b 4$
3$ move.w (NrLines,a2),(Y,a3)
4$ bne.b 5$
move.w #1,(Y,a3)
5$ move.l (FSEbuffer,a3),a0
move.w (Y,a3),d0
subq.w #1,d0
mulu.w #LinesSize,d0
lea (0,a0,d0.l),a0
bsr strlen
tst.w d0
bne.b 2$
moveq.l #1,d0
2$ move.w d0,(X,a3)
move.l (a7)+,d2
rts
showfsemode
move.w #-1,(FizzY,a3)
move.w #31,d0
move.w #2,d1
bsr MoveCursor
bsr ControlNormAtt
move.w (Savebits+CU,NodeBase),d0
btst #SAVEBITSB_FSEOverwritemode,d0
beq.b 1$
lea (overwritetext),a0
bra.b 2$
1$ lea (inserttext),a0
2$ bsr writetexti
move.w #42,d0
move.w #2,d1
bsr MoveCursor
move.w (Savebits+CU,NodeBase),d0
btst #SAVEBITSB_FSEAutoIndent,d0
beq.b 3$
lea (autoindenttext),a0
bra.b 4$
3$ lea (noindenttext),a0
4$ bsr writetexti
9$ rts
RedrawScreen
; d0 = I
lea (ScreenUpd,a3),a0
moveq.l #WindowTop,d0
1$ move.b #1,(0,a0,d0.w)
addq.l #1,d0
cmp.w (WindowEnd,a3),d0
bls.b 1$
move.w (Y,a3),d0
subq.w #7,d0
cmpi.w #1,d0
bge.b 2$
move.w #1,d0
2$ move.w d0,(P,a3)
rts
UpdateScreenMaybe
push d2/d3/d4
;d2 = I
;d3 = J
tst.b (ZapEcho,a3)
bne 72$
bsr 20$
bne 72$
move.w (P,a3),d0
move.w (Y,a3),d1
cmp.w d0,d1
bcc.b 2$
sub.w d1,d0
cmpi.w #6,d0
bls.b 4$
bsr.b RedrawScreen
bra.b 3$
4$ move.w d0,d1
move.w #WindowTop,d0
bsr InsertLines
move.w (Y,a3),(P,a3)
bra.b 3$
2$ add.w (WindowSiz,a3),d0
cmp.w d0,d1
bls.b 3$
sub.w d0,d1
cmpi.w #6,d1
bls.b 5$
bsr.b RedrawScreen
bra.b 3$
5$ move.w #WindowTop,d0
bsr DeleteLines
move.w (Y,a3),d0
sub.w (WindowSiz,a3),d0
move.w d0,(P,a3)
3$ move.w #WindowTop,d2
6$
bsr 20$
bne 72$
lea (ScreenUpd,a3),a0
move.w #0,d0
move.b (0,a0,d2.w),d0
move.w (WindowWith,a3),d1
cmp.b d1,d0
bcc 7$
move.w d2,d1
bsr MoveCursor
move.w d2,d3
add.w (P,a3),d3
subq.w #WindowTop,d3