PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF	
				.OP	65C02
				.OR $2000
				.TF /A2OSX.BOOT/DRV/CONSOLE.DRV
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/IO.I
*--------------------------------------
CURSOR.BLINK.SPEED	.EQ 2
ESCSEQ.MAXLEN	.EQ 16
*--------------------------------------
ZPBaseL1		.EQ ZPDRV
ZPBaseL2		.EQ ZPDRV+2
ZPTmpByte		.EQ ZPDRV+4
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp Dev.Detect			cld,jmp abs=DRV
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					DRV Layout Version 1
				.DA 0
				.DA CS.END-CS.START			Code Length
				.DA DEV.HEADER-CS.START		Device Header Offset
				.DA DRV.CS.START-CS.START	Driver Code Offset
				.DA DRV.CS.END-DRV.CS.START	Drv Code Length
*--------------------------------------
* Relocation Table
*--------------------------------------
L.MSG.DETECT	.DA MSG.DETECT
				.DA 0					End Of Reloc Table
*--------------------------------------
Dev.Detect		>LDYA L.MSG.DETECT
				>SYSCALL SYS.PSTROutYA

				lda A2osX.SCREENS
				ora #A2osX.SCREENS.C
				sta A2osX.SCREENS
				clc
				rts
CS.END
MSG.DETECT		>PSTRING "Apple IIe/IIc 80 Col Driver.\n"
*--------------------------------------
*			Device Header (16 Bytes)
*--------------------------------------
DEV.HEADER		cld
				jmp (DRV.CS.START,x)
				.DA #S.DEV.F.EVENT+S.DEV.F.COUT+S.DEV.F.CHAR
				>PSTRING "CON"			NAME
				.HS 00					NAME must Be 5 bytes long
				.HS 00.00
				.HS 00.00.00.00
*--------------------------------------
*			Driver Code
*--------------------------------------
DRV.CS.START	.DA OPEN
				.DA GETEVENT
				.DA COUT
				.DA CLOSE
				.DA GETINFO
				.DA IRQ
L.DEVINFO		.DA DEVINFO
J.EscSeq		.DA Esc.DispAttr		m
				.DA Esc.Scroll			r
				.DA Esc.EraseLine		K
				.DA	Esc.Home			H
				.DA 0					end of relocation
*--------------------------------------
OPEN			stz CURON
				stz KeyRemapIdx
				stz bEscMode
				stz bEscModeCSI
				
				jsr RESET
				jsr HOME

				lda #A2osX.SCREENS.C
				>SYSCALL SYS.ScreenSelectA
				
				clc
				rts
*--------------------------------------
GETEVENT		lda A2osX.TIMER16
				and #CURSOR.BLINK.SPEED
				eor CURON
				beq .1
				jsr CURBLNK

.1				lda A2osX.ASCREEN
				and #A2osX.SCREENS.C	is screen active?
				beq .9
				
				ldx KeyRemapIdx			are we in remap mode ?
				bne .4
.11				>SYSCALL SYS.GetKeyboardEvent
				bcs .9
				
				ldy #S.EVT.DATAHI
				lda (pEvent),y
				bne .8
				dey
				lda (pEvent),y
				
				ldx KeyRemapped
.2				cmp KeyRemapped,x
				beq .3
				dex 
				bne .2
				clc
				rts
				
.3				lda KeyRemappedIdx,x
				tax
				lda KeyRemappedTable,x
				sta (pEvent),y
				inx
				stx KeyRemapIdx
				clc
				rts
				
.4				lda KeyRemappedTable,x
				bne .5
				stz KeyRemapIdx
				bra .11
.5				inx
				stx KeyRemapIdx
				ldy #S.EVT.DATALO
				sta (pEvent),y
				iny
				lda #0
				sta (pEvent),y
				lda #S.EVT.F.KEY
				sta (pEvent)				
				clc
.8				rts
				
.9				lda	#0					Error = no event
				sec
				rts
*--------------------------------------
COUT			bit bEscMode
				bpl .1
				jmp EscMode
				
.1				pha
				jsr CUROFF
				pla
				cmp #32
				bcc COUT.CTRL

				ora INVFLG
				ldx CH
				ldy CV
				jsr SetCharAtXY
				bra FSOUT
				
COUT.CTRL		cmp #8
				bne .2
				ldx CH
				beq .10
				dec CH
				bra .12
				
.10				ldy CV
				bne .11
				clc
				rts
				
.11				lda #79
				sta CH
				dec CV	
				
.12				lda #$20
				ora INVFLG
				ldx CH
				ldy CV
				jmp SetCharAtXY
				
.2				cmp #10
				beq LFOUT
	
				cmp #12
				beq HOME
				
				cmp #13
				beq CROUT
				
				cmp #27					ESC
				dec bEscMode
				clc
				rts
*--------------------------------------
CLOSE			
*				lda A2osX.SCREENS
*				and #$FF^A2osX.SCREENS.C
*				sta A2osX.SCREENS
				clc
				rts
*--------------------------------------
GETINFO			>LDYA L.DEVINFO
IRQ				clc
				rts
*--------------------------------------
*				PRIVATE
*--------------------------------------
RESET			lda #0
				sta SCROLLTOP
				lda #23
				sta SCROLLBOT
*--------------------------------------
RESETATTR		lda #$80
				sta INVFLG
				rts
*--------------------------------------
FSOUT			ldx CH
				cpx #79
				beq CROUT1
				inc CH
				clc
				rts				
*--------------------------------------
CROUT			jsr CLREOL
				stz CH
				clc
				rts
*--------------------------------------
CROUT1			stz CH
LFOUT			ldy CV
				cpy #23
				beq SCROLL.UP
				inc CV
				clc
				rts
*--------------------------------------
HOME			stz CH
				stz CV

				ldx #23
				
.1				lda BASEL,x
				sta ZPBaseL1
				lda BASEH,x
				sta ZPBaseL1+1
				
				lda #' '
				ora INVFLG

				sta SETWRITEAUX
				sta SETREADAUX
				
				ldy #39
.2				sta (ZPBaseL1),y		
				dey
				bpl .2
				
				sta CLRWRITEAUX
				sta CLRREADAUX

				ldy #39
.3				sta (ZPBaseL1),y		
				dey
				bpl .3

				dex
				bpl .1
				
				clc
				rts
*--------------------------------------
SCROLL.UP		ldx SCROLLTOP
				
.1				lda BASEL,x
				sta ZPBaseL1
				lda BASEH,x
				sta ZPBaseL1+1
				inx
				lda BASEL,x
				sta ZPBaseL2
				lda BASEH,x
				sta ZPBaseL2+1
				
				ldy #39
				sta SETWRITEAUX
				sta SETREADAUX
				
.2				lda (ZPBaseL2),y
				sta (ZPBaseL1),y 
				dey
				bpl .2

				ldy #39
				sta CLRWRITEAUX
				sta CLRREADAUX
				
.3				lda (ZPBaseL2),y
				sta (ZPBaseL1),y 
				dey
				bpl .3

				cpx SCROLLBOT
				bne .1
*--------------------------------------
CLREOL			ldx CH
				ldy #80
				bra CLR
				
CLRLINE			ldx #0
				ldy #80
				bra CLR
				
CLRSOL			ldx #0
				ldy CH	
				
CLR				sty ZPTmpByte
.1				phx
				lda #$20
				ora INVFLG
				ldy CV
				jsr SetCharAtXY
				plx
				inx
				cpx ZPTmpByte
				bne .1
				clc
				rts
*--------------------------------------
CUROFF			lda CURON
				beq	CUREXIT.RTS
				
CURBLNK			lda A2osX.ASCREEN
				and #A2osX.SCREENS.C
				bne CURBLNK1
				
				lda CURON
				bne	CURBLNK.OFF
				rts						do not Light if screen is not active
				
CURBLNK1		lda CURON
				bne CURBLNK.OFF
				ldx CH
				ldy CV
				jsr GetCharAtXY
				sta CURCHAR
				and #$80
				ldx CH
				ldy CV
				eor #" "
				jsr SetCharAtXY
				bra CUREXIT
				
CURBLNK.OFF		ldx CH
				ldy CV
				lda CURCHAR
				jsr SetCharAtXY

CUREXIT			lda CURON
				eor #CURSOR.BLINK.SPEED
				sta CURON
CUREXIT.RTS		rts
*--------------------------------------
SetCharAtXY		cmp #$40
				bcc .10
				cmp #$5F
				bcs .10
				and #$3F
				
.10				pha
				txa
				lsr

				bcs .1
				sta SETWRITEAUX
				
.1				clc
				adc BASEL,y
				sta ZPBaseL1
				lda BASEH,y
				sta ZPBaseL1+1

				pla
				sta (ZPBaseL1)
				sta CLRWRITEAUX
				rts	
*--------------------------------------
GetCharAtXY		txa
				lsr

				bcs .1
				sta SETREADAUX
				
.1				clc
				adc BASEL,y
				sta ZPBaseL1
				lda BASEH,y
				sta ZPBaseL1+1

				lda (ZPBaseL1)
				sta CLRREADAUX
				rts	
*--------------------------------------
EscMode			bit bEscModeCSI
				bmi EscModeCSI
				cmp #'['
				bne .1
								
				dec bEscModeCSI
				stz EscSeq
				clc
				rts
				
.1				cmp #'7'				save cup & attr

				cmp #'8'				restore cup & attr
				
				stz bEscMode
				clc
				rts
				
EscModeCSI		inc EscSeq
				ldx EscSeq
				sta EscSeq,x
				cmp #64					End of Seq ?
				bcs ExecEscSeq
				cpx #ESCSEQ.MAXLEN		too long?
				bne .1
				stz bEscModeCSI
				stz bEscMode
.1				clc
				rts
*--------------------------------------
ExecEscSeq		stz EscSeqParamCnt
				stz EscSeqInNum
				ldx #0					EscSeq Ptr
				ldy #0					EsqSeqParam Ptr

.10				lda #0
				sta EscSeqParam,y
				
.1				inx
				lda EscSeq,x
				jsr IsDigit 
				bcs .2
				
				dec EscSeqInNum
				and #$0F
				pha
				lda EscSeqParam,y	    param=param*10	
				asl
				asl
				clc
				adc EscSeqParam,y
				sta EscSeqParam,y
				pla
				clc
				adc EscSeqParam,y
				sta EscSeqParam,y
				bra .1
				
.2				bit EscSeqInNum
				bpl .3
				
				stz EscSeqInNum
				iny
				
.3				lda EscSeq,x
				cmp #';'
				beq .10
				
				sty EscSeqParamCnt
				stz bEscModeCSI
				stz bEscMode
				
				ldy #0
				ldx #0

.4				iny
				cmp EscSeqCmds,y
				beq .5
				inx
				inx
				cpy EscSeqCmds
				bne .4
				clc
				rts
				
.5				jmp (J.EscSeq,x)
*--------------------------------------
IsDigit			cmp #'0'
				bcc .9
				cmp #'9'+1
				rts					cc if ok, cs if not
.9				sec
				rts
*--------------------------------------
Esc.DispAttr	ldx EscSeqParamCnt
				beq .8
				
.1				lda EscSeqParam-1,x
				bne .2
				jsr RESETATTR
				bra .7
				
.2				cmp #7
				bne .8
				stz INVFLG
				
.7				dex
				bne .1
	
.8				clc
				rts
*--------------------------------------
Esc.Scroll		ldx EscSeqParamCnt
				bne .1
				
				lda #0
				ldy #23
				bra .8
				
.1				cpx #2
				bne .9
				
				lda EscSeqParam
				dec
				ldy EscSeqParam+1
				dey
				
.8				sta SCROLLTOP
				sty SCROLLBOT
.9				clc
				rts
*--------------------------------------
Esc.EraseLine	ldx EscSeqParamCnt

				bne .1
				jmp CLREOL
				
.1				lda EscSeqParam
				cmp #1
				bne .2
				jmp CLRSOL

.2				cmp #2
				bne .9
				jmp CLRLINE

.9				clc
				rts
*--------------------------------------
Esc.Home		ldx EscSeqParamCnt
				bne .1
				stz CH
				stz CV
				clc
				rts
				
.1				lda EscSeqParam
				dec
				bmi .9
				cmp #80
				bcs .9
				sta CH
				
				lda EscSeqParam+1
				dec
				bmi .9
				cmp #24
				bcs .9
				sta CV
				
.9				clc
				rts
*--------------------------------------
DRV.CS.END
BASEL			.HS	00.80.00.80.00.80.00.80.28.A8.28.A8.28.A8.28.A8.50.D0.50.D0.50.D0.50.D0
BASEH			.HS	04.04.05.05.06.06.07.07.04.04.05.05.06.06.07.07.04.04.05.05.06.06.07.07
CH				.BS 1
CV				.BS 1
INVFLG			.BS 1
SCROLLTOP		.BS 1
SCROLLBOT		.BS 1
CURON			.BS 1
CURCHAR			.BS 1
*--------------------------------------
KeyRemapIdx		.BS 1
KeyRemapped		.HS 05080A0B0D15		L,D,U,CR,R
KeyRemappedIdx	.HS 050004080C0F
KeyRemappedTable	.EQ *
KeyRemappedLEFT	.HS 1B5B4400			esc[D
KeyRemappedDOWN	.HS 1B5B4200			esc[B
KeyRemappedUP	.HS 1B5B4100			esc[A
KeyRemappedCR	.HS 0D0A00				crlf
KeyRemappedRGHT	.HS 1B5B4300			esc[C
*--------------------------------------
bEscMode		.BS 1
bEscModeCSI		.BS 1
EscSeq			.BS ESCSEQ.MAXLEN+1
EscSeqParamCnt	.BS 1
EscSeqParam		.BS 4
EscSeqInNum		.BS 1
EscSeqCmds		>PSTRING "mrKH"
*--------------------------------------
DEVINFO			.DA #S.DEVINFO.TYPE.CHAR
				.DA #80
				.DA #24
*--------------------------------------
MAN
SAVE DRV/CONSOLE.DRV.S
ASM