NEW
  AUTO 3,1
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF bin/edit
*--------------------------------------
FILEBUF.SIZE	.EQ 2048
*--------------------------------------
				.INB inc/macros.i
				.INB inc/a2osx.i
				.INB inc/mli.i
				.INB inc/mli.e.i
*--------------------------------------
				.DUMMY
				.OR ZPBIN
ZS.START
BufPtr			.BS 2
BufPtrDst		.BS 2
ClipboardPtr	.BS 2
LineBufPtr		.BS 2

BUF.LOffset		.BS 2
BUF.COffset		.BS 2
BUF.TmpLine1	.BS 2
BUF.TmpLine2	.BS 2

FileLen			.BS 2
BufLen			.BS 2
SelLen			.BS 2
ZPPTR1			.BS 2

bRepaint		.BS 1
bSelected		.BS 1

ZPPTR2			.EQ *
TmpLen			.BS 2

TmpIndex		.BS 2
TmpCount		.BS 1
TmpByte			.BS 1

ZS.END			.ED
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp (.1,x)
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					BIN Layout Version 1
				.DA #S.PS.F.EVENT		S.PS.F
				.DA #0
				.DA CS.END-CS.START		CS
				.DA DS.END-DS.START		DS
				.DA #64					SS
				.DA #ZS.END-ZS.START	Zero Page Size
				.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT
				.DA	CS.QUIT
L.SEQ.INIT		.DA SEQ.INIT
L.SEQ.SCROLLRGN	.DA SEQ.SCROLLRGN
L.SEQ.RESET		.DA SEQ.RESET
L.SEQ.SCROLLUP	.DA SEQ.SCROLLUP
L.SEQ.SCROLLDN	.DA SEQ.SCROLLDN
L.SEQ.SCROLLCURUP .DA SEQ.SCROLLCURUP
L.SEQ.SCROLLCURDN .DA SEQ.SCROLLCURDN
L.SEQ.CEOL		.DA SEQ.CEOL
L.MSG.TERMCAP	.DA MSG.TERMCAP
L.MSG.TOPBAR	.DA MSG.TOPBAR
L.MSG.FILETYPES	.DA MSG.TXTCR
				.DA MSG.TXTCRLF
				.DA MSG.ASM
L.MSG.STATUSBAR	.DA MSG.STATUSBAR
L.MSG.STATUSBAR.H	.DA MSG.STATUSBAR.H
L.MSG.STATUSBAR.U	.DA MSG.STATUSBAR.U
L.MSG.STATUSBAR.S	.DA MSG.STATUSBAR.S
L.MSG.STATUSBAR.E	.DA MSG.STATUSBAR.E
L.MSG.NEWFILE	.DA MSG.NEWFILE
L.MSG.GOTOXY	.DA MSG.GOTOXY
L.MSG.HELPLINE	.DA MSG.HELPLINE
L.MSG.HELP		.DA MSG.HELP
J.SAVE			.DA FILE.Save.CR
				.DA FILE.Save.CRLF
				.DA FILE.Save.ASM
J.CTRL			.DA Ctrl.Invalid
				.DA Ctrl.A
				.DA Ctrl.B
				.DA Ctrl.C
				.DA Ctrl.D
				.DA Ctrl.E
				.DA Ctrl.F
				.DA Ctrl.G
				.DA Ctrl.BS
				.DA Ctrl.TAB
				.DA Ctrl.LF
				.DA Ctrl.VT
				.DA Ctrl.L
				.DA Ctrl.CR
				.DA Ctrl.N
				.DA Ctrl.O
				.DA Ctrl.P
				.DA Ctrl.Q
				.DA Ctrl.R
				.DA Ctrl.S
				.DA Ctrl.T
				.DA Ctrl.FS
				.DA Ctrl.V
				.DA Ctrl.W
				.DA Ctrl.X
				.DA Ctrl.Y
				.DA Ctrl.Z
				.DA Ctrl.Invalid
				.DA Ctrl.Invalid
				.DA Ctrl.Invalid
				.DA Ctrl.Invalid
				.DA Ctrl.Invalid
L.DLG.SAVE		.DA DLG.SAVE
L.DLG.FIND		.DA DLG.FIND
J.DLG.CTRL.Draw	.DA DLG.CTRL.Draw.LBL
				.DA DLG.CTRL.Draw.TB
				.DA DLG.CTRL.Draw.OL
				.DA DLG.CTRL.Draw.BUT
J.DLG.CTRL.Focus
				.DA DLG.CTRL.Focus.LBL
				.DA DLG.CTRL.Focus.TB
				.DA DLG.CTRL.Focus.OL
				.DA DLG.CTRL.Focus.BUT
J.DLG.CTRL.GetWitdh
				.DA DLG.CTRL.GetWitdh.LBL
				.DA DLG.CTRL.GetWitdh.TB
				.DA DLG.CTRL.GetWitdh.OL
				.DA DLG.CTRL.GetWitdh.BUT
J.DLG.CTRL.CharIn
				.DA DLG.CTRL.CharIn.LBL
				.DA DLG.CTRL.CharIn.TB
				.DA DLG.CTRL.CharIn.OL
				.DA DLG.CTRL.CharIn.BUT
				.DA 0
*--------------------------------------
CS.INIT			clc
CS.INIT.RTS		rts
*--------------------------------------
CS.RUN			>PUSHW L.MSG.TERMCAP
				>PUSHBI 0
				>SYSCALL PrintF		Send Query for term W & H
				bcs CS.INIT.RTS

.1				jsr GetCh
				bcs CS.INIT.RTS

*				beq .11

*				>SYSCALL PutChar
*				bcs CS.INIT.RTS

.11				>LDA.G ScreenW			Wait for Response from terminal for W & H
				beq .1

				jsr SCRN.Init

				>LDYAI 510+5+5+4+1		potentially 255*\\ NORM,INV,CEOL & \0
				>SYSCALL GetMem
				bcs CS.INIT.RTS

				>STYA.G LineBufBase
				txa
				>STA.G hLineBuf

				lda #1
				>SYSCALL ArgV
				bcs .2					No arg, new file....

				jsr FILE.Load
				bcc .3					if CS, Failed to load file, keep name, but new file....

				cmp #E.OOM
				beq CS.RUN.RTS

.2				jsr FILE.New
				bcs CS.RUN.RTS

.3				jsr SCRN.Repaint
				bcs CS.RUN.RTS

				jsr CS.RUN.GetBuf64
				bcs CS.RUN.RTS

				>STA.G hFind

				jsr CS.RUN.GetBuf64
				bcs CS.RUN.RTS

				>STA.G hReplace
*--------------------------------------
CS.RUN.LOOP		jsr GetCh
				bcs CS.RUN.RTS			I/O error

				beq .8

				jsr CS.RUN.LOOP.CharIn
				bcs .9

.8				>LDA.G bExit
				bpl CS.RUN.LOOP

				lda #0

.9				pha
				>PUSHW L.SEQ.RESET
				>PUSHBI 0
				>SYSCALL PrintF
				pla
				sec
CS.RUN.RTS		rts
*--------------------------------------
CS.RUN.LOOP.CharIn
				cmp #C.DEL
				bne .1

				jmp Ctrl.DEL

.1				cmp #C.SPACE
				bcc .2

				jsr BUF.InsertA
				bcs .9

				jsr SCRN.UpdateCurrentEOL
				bcs .9

				jmp Ctrl.FS

.2				asl
				tax
				jmp (J.CTRL,x)

.9				rts
*--------------------------------------
CS.RUN.GetBuf64	>LDYAI 64
				>SYSCALL GetMem
				bcs .9

				>STYA ZPPTR1

				lda #0
				sta (ZPPTR1)

				txa

.9				rts
*--------------------------------------
CS.DOEVENT		lda (pEvent)
				bpl .9					is it a TIMER event?

				asl
				bpl .9

				>STA.G bUpdateTop
				>STA.G bUpdateStatus

.9				sec
				rts
*--------------------------------------
CS.QUIT			ldy #hLineBuf
				jsr .7

				ldy #hBuf
				jsr .7

				ldy #hBufBackup
				jsr .7

				ldy #hClipBoard
				jsr .7

				ldy #hFileName
				jsr .7

				ldy #hFind
				jsr .7

				ldy #hReplace

.7				lda (pData),y
				beq .8

				>SYSCALL FreeMem

.8				clc
				rts
*--------------------------------------
GetCh			>SYSCALL GetChar
				bcs .9

				cmp #C.CR
				bne GetCh.1

				ldy #S.PS.hStdIn		Check for any extra LF
				lda (pPS),y
				>SYSCALL FEOF
				bcs .9

				tay
				bne .8

				>SYSCALL GetChar
				bcs .9

.8				lda #C.CR

*				clc

.9				rts
*--------------------------------------
GetCh.1			tax

				>LDA.G bEscMode
				bmi .1

				cpx #C.ESC
				bne .8

				lda #$ff
				>STA.G bEscMode

				inc
				clc
				rts

.1				>LDA.G bCSIMode
				bmi .11

				cpx #'['				\e[ ?
				bne GetCh.Esc

				lda #$ff
				>STA.G bCSIMode

				inc

				sta (pData)				#EscBufferPtr

				clc
				rts
*--------------------------------------
.11				lda (pData)				#EscBufferPtr
				cmp #15
				bcc .10

.19				>STZ.G bEscMode
				>STA.G bCSIMode

				clc
				rts

.10				inc
				sta (pData)
				tay

				txa
				sta (pData),y
				cmp #64

				bcs GetCh.CSI

				ldx #0

.8				txa
				clc
				rts
*--------------------------------------
GetCh.Esc		>STZ.G bEscMode

GetCh.Esc1		txa

				ldx #EscChars.Cnt-1

.1				cmp EscChars,x
				beq .2

				dex
				bpl .1

				lda #0
				clc
				rts

.2				lda EscAscii,x
				clc
				rts
*--------------------------------------
* \e[A	UP
* \e[B	DOWN
* \e[C	FOWARD
* \e[D	BACK
* \e[xxx;yyyR	DSR ("\e[I6n" reply)
*--------------------------------------
GetCh.CSI		>STZ.G bEscMode
				>STA.G bCSIMode

				cpx #'R'				Response to cursor position query?
				beq .3
		
			>DEBUG
				
				bra GetCh.Esc1

.3				stz TmpByte

				ldy #0

.4				iny

				lda (pData),y
				cmp #';'
				beq .5

				jsr GetCh.TmpByte10pA
				bra .4

.5				phy

				lda TmpByte
				>STA.G ScreenH

				dec						Remove 2 (top & status bar) for viewportH
				dec

				>STA.G ViewPortH

				dec

				>STA.G ViewPortHm1		Remove 1 more to store offsert to last line of viewport

				ply
				stz TmpByte

.6				iny

				lda (pData),y
				cmp #'R'
				beq .7

				jsr GetCh.TmpByte10pA
				bra .6

.7				lda TmpByte
				>STA.G ScreenW

.8				lda #0
				clc
				rts
*--------------------------------------
GetCh.TmpByte10pA
				and #$0f
				pha
				lda TmpByte
				asl
				asl
				clc
				adc TmpByte
				asl
				sta TmpByte
				pla
				clc
				adc TmpByte
				sta TmpByte
				rts
*--------------------------------------
				.INB usr/src/bin/edit.s.buf
				.INB usr/src/bin/edit.s.ctrl
				.INB usr/src/bin/edit.s.dlg
				.INB usr/src/bin/edit.s.file
				.INB usr/src/bin/edit.s.scrn
*--------------------------------------
CS.END
SEQS			.EQ *
SEQ.BAR			.CZ "\e[7m\e[37;40m"
SEQ.DLG.BAR		.CS "\e[0m\e[37;40m"
				.DA #C.SO,#'x',#C.SI
				.CZ "\e[7m\e[37;40m"
SEQ.DLG			.CS "\e[30;46m"
				.DA #C.SO,#'x',#C.SI
				.DA #0
SEQ.DLG.VBAR	.CS "\e[37;40m"
				.DA #C.SO,#'x',#C.SI
				.DA #0
SEQ.DLG.LBL		.CZ "\e[0m\e[30;46m"
SEQ.DLG.TB		.CZ "\e[0m\e[93;44m"
SEQ.DLG.BUT		.CZ "\e[7m\e[93;44m"
SEQ.EDIT		.CS "\e[0m\e[93;44m"	+CEOL
SEQ.CEOL		.CZ "\e[K"
SEQ.NORM		.CZ "\e[0m"
SEQ.INV			.CZ "\e[7m"
SEQ.CURSAVE		.CZ "\e7"
SEQ.CURRESTORE	.CZ "\e8"
*--------------------------------------
SEQ.RESET		.CZ "\ec"
SEQ.INIT		.CS "\ec\e(B\e)0"
SEQ.SCROLLRGN	.CZ "\e[?7l\e[2;%dr"
SEQ.SCROLLCURUP	.CS "\e[?7l\e[%d;%dr"
SEQ.SCROLLUP	.CZ "\eD"
SEQ.SCROLLCURDN	.CS "\e[?7l\e[%d;%dr"
SEQ.SCROLLDN	.CZ "\eM"
*--------------------------------------
MSG.TERMCAP		.CZ "\r\n\e[999;999H\e[6n"
MSG.TOPBAR		.CZ "A2osX Edit %d.%d:%s  (%s)"
MSG.TXTCR		.CZ "TXT/CR"
MSG.TXTCRLF		.CZ "TXT/CRLF"
MSG.ASM			.CZ "ASM"
MSG.STATUSBAR	.CZ "Press Ctrl-A For Help    Len:%5D  Pos:%5D  Col:%3d  Line:%5D"
MSG.STATUSBAR.H	.CZ "Press any key to exit this screen "
MSG.STATUSBAR.U	.CZ "Quit without Saving [Y/N] ? "
MSG.STATUSBAR.S	.CZ "%s Saved."
MSG.STATUSBAR.E	.CZ "Error:%h"
MSG.GOTOXY		.CZ "\e[%d;%dH"
MSG.HELPLINE	.CZ "\e[0m\e[93;44m%S\e[K"
*--------------------------------------
MSG.HELP		.PS "All commands:"
				.PS "-------------"
				.PS "  Ctrl-A : This help screen"
				.PS "  Ctrl-B : Mark beginning of selection"
				.PS "  Ctrl-C : Copy selection to clipboard"
				.PS "  Ctrl-D : Delete selection"
				.PS "  Ctrl-E : Mark end of selection"
				.PS "  Ctrl-F : Find/Replace..."
				.PS "  Ctrl-G : Go to start of current line"
				.PS "  Ctrl-L : Go to end of current line"
				.PS "  Ctrl-N : Find next"
				.PS "  Ctrl-O : Page up"
				.PS "  Ctrl-P : Page down"
				.PS "  Ctrl-Q : Quit"
				.PS "  Ctrl-R : Replace next"
				.PS "  Ctrl-S : Save file..."
				.PS "  Ctrl-T : Go to top of file"
				.PS "  Ctrl-V : Paste clipboard at cursor position"
				.PS "  Ctrl-W : Erase current line"
				.PS "  Ctrl-X : Cut block to clipboard"
				.PS "  Ctrl-Y : Go to end of file"
				.PS "  Ctrl-Z : Erase char under cursor"
				.HS 00
*--------------------------------------
MSG.NEWFILE		.AZ "newfile"
EscChars		.AS "DABC"
EscChars.Cnt	.EQ *-EscChars
EscAscii		.DA #C.BS,#C.VT,#C.LF,#C.FS
*--------------------------------------
S.DLG.Size		.EQ 0
S.DLG.X			.EQ 1
S.DLG.Y			.EQ 2
S.DLG.W			.EQ 3
S.DLG.H			.EQ 4
S.DLG.Title		.EQ 5
S.DLG.Status	.EQ 6
S.DLG.Focus		.EQ 7
S.DLG.Ctrls		.EQ 8
S.DLG.Ctrl.LBL		.EQ 0
S.DLG.Ctrl.TB		.EQ 2
S.DLG.Ctrl.OL		.EQ 4
S.DLG.Ctrl.BUT		.EQ 6
*--------------------------------------
DLG.SAVE		.DA #DLG.SAVE.LEN		Size
				.DA #0					X
				.DA #0					Y
				.DA #70					W
				.DA #11					H
				.DA #DLG.SAVE.T-DLG.SAVE	Title
				.DA #DLG.SAVE.S-DLG.SAVE	Status

				.DA #9					Focus
				.DA #DLG.SAVE.1-DLG.SAVE
				.DA #DLG.SAVE.2-DLG.SAVE
				.DA #DLG.SAVE.3-DLG.SAVE
				.DA #DLG.SAVE.4-DLG.SAVE
				.DA #DLG.SAVE.5-DLG.SAVE
				.DA #DLG.SAVE.6-DLG.SAVE
				.DA #DLG.SAVE.7-DLG.SAVE
				.DA #DLG.SAVE.8-DLG.SAVE
				.DA #0

DLG.SAVE.1		.DA #S.DLG.Ctrl.LBL,#2,#2
				.AZ "Filename :"

DLG.SAVE.2		.DA #S.DLG.Ctrl.TB,#2,#3
				.DA #0,#64,#hFileName	CURPOS,MAXCHAR,hMem

DLG.SAVE.3		.DA #S.DLG.Ctrl.LBL,#2,#5
				.AZ "Filetype :"

DLG.SAVE.4		.DA #S.DLG.Ctrl.OL,#2,#6
				.DA #18					Ctrl-R
				.DA #FileType
				.DA #0
				.AZ "TXT/CR"

DLG.SAVE.5		.DA #S.DLG.Ctrl.OL,#13,#6
				.DA #12					Ctrl-L
				.DA #FileType
				.DA #1
				.AZ "TXT/CRLF"

DLG.SAVE.6		.DA #S.DLG.Ctrl.OL,#26,#6
				.DA #1					Ctrl-A
				.DA #FileType
				.DA #2
				.AZ "ASM"

DLG.SAVE.7		.DA #S.DLG.Ctrl.BUT,#40,#8
				.DA #C.CR
				.AZ "  Save  "

DLG.SAVE.8		.DA #S.DLG.Ctrl.BUT,#52,#8
				.DA #3					Ctrl-C
				.AZ " Cancel "

DLG.SAVE.T		.AZ "Save As..."		Title
DLG.SAVE.S		.AZ "CR:Save, Ctrl-R/L/A:Change Type, Ctrl-C:Cancel"
DLG.SAVE.LEN	.EQ *-DLG.SAVE
*--------------------------------------
DLG.FIND		.DA #DLG.FIND.LEN		Size
				.DA #0					X
				.DA #0					Y
				.DA #70					W
				.DA #11					H
				.DA #DLG.FIND.T-DLG.FIND	Title
				.DA #DLG.FIND.S-DLG.FIND	Status

				.DA #9					Focus
				.DA #DLG.FIND.1-DLG.FIND
				.DA #DLG.FIND.2-DLG.FIND
				.DA #DLG.FIND.3-DLG.FIND
				.DA #DLG.FIND.4-DLG.FIND
				.DA #DLG.FIND.5-DLG.FIND
				.DA #DLG.FIND.6-DLG.FIND
				.DA #0

DLG.FIND.1		.DA #S.DLG.Ctrl.LBL,#2,#2
				.AZ "Find :"

DLG.FIND.2		.DA #S.DLG.Ctrl.TB,#2,#3
				.DA #0,#63,#hFind

DLG.FIND.3		.DA #S.DLG.Ctrl.LBL,#2,#5
				.AZ "Replace :"

DLG.FIND.4		.DA #S.DLG.Ctrl.TB,#2,#6
				.DA #0,#63,#hReplace

DLG.FIND.5		.DA #S.DLG.Ctrl.BUT,#40,#8
				.DA #C.CR
				.AZ "  Find  "

DLG.FIND.6		.DA #S.DLG.Ctrl.BUT,#52,#8
				.DA #3					Ctrl-C
				.AZ " Cancel "

DLG.FIND.T		.AZ "Find/Replace..."	Title
DLG.FIND.S		.AZ "CR:Find, Ctrl-C:Cancel"
DLG.FIND.LEN	.EQ *-DLG.FIND
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
EscBuffer		.BS 16

bEscMode		.BS 1
bCSIMode		.BS 1
bExit			.BS 1
bUnSaved		.BS 1
bUpdateTop		.BS 1
bUpdateStatus	.BS 1

hFileName		.BS 1
FileType		.BS 1

hFind			.BS 1
hReplace		.BS 1

hLineBuf		.BS 1
LineBufBase		.BS 2

hBuf			.BS 1
BufBase			.BS 2
hBufBackup		.BS 1
hClipBoard		.BS 1
ClipBoardLen	.BS 2

SelStart		.BS 2
SelEnd			.BS 2

ScreenW			.BS 1
ScreenH			.BS 1
ViewPortH		.BS 1
ViewPortHm1		.BS 1
FileX			.BS 1
FileY			.BS 2
ScreenX			.BS 1
ScreenY			.BS 2
CurX			.BS 1
CurY			.BS 1

hDLG			.BS 1

STATBUF			.BS S.STAT
DS.END
				.ED
*--------------------------------------
MAN
SAVE usr/src/bin/edit.s
ASM