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A2osX/SYS/KERNEL.S.TERMX.txt
Rémy GIBERT 0f9ebec8be Kernel 0.94+
2020-12-15 14:23:22 +01:00

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NEW
AUTO 3,1
*--------------------------------------
CURSOR.BLINK.SPEED .EQ 2
*--------------------------------------
.DUMMY ZPDRV
.OR ZPDRV
ZPIOCTL .BS 2
ZPBufPtr .BS 2
ZPDCBPtr .BS 2
ZPCount .BS 2
ZPBufBaseL1 .BS 2
ZPBufBaseL2 .BS 2
ZPScrBaseL1 .BS 2
ZPScrBaseL2 .BS 2
*--------------------------------------
bActive .BS 1
ZPDevID .BS 1
ZPTmpBool .BS 1
ZPTmpChar .BS 1
CsiHeader .BS 1
CsiParamCnt .BS 1
CsiParams .BS 4
.ED
*--------------------------------------
TERMX .DA TERMX.STATUS
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA TERMX.CONTROL
.DA A2osX.BADCALL
.DA TERMX.OPEN
.DA TERMX.CLOSE
.DA TERMX.READ
.DA TERMX.WRITE
*--------------------------------------
TERMX.STATUS tya
beq .1
cmp #S.IOCTL.STATCODE.GETDIB
bne .3
ldy #S.DIB-1
.HS 2C bit abs
.1 ldy #3
sta CLRWRITEAUX
.2 lda TERMX.DIB,y
sta (ZPBufPtr),y
dey
bne .2
ldy #S.DCB.TTY.STATUS
lda (ZPDCBPtr),y
sta (ZPBufPtr)
clc
rts
.3 cmp #S.IOCTL.STATCODE.EOF
bne .9
jsr TERMX.ISOPENED
beq TERMX.OPEN.E
jsr TERMX.CURBLNK
ldy #S.DCB.TTY.OUTTAIL
lda (ZPDCBPtr),y
iny
* sec
eor (ZPDCBPtr),y OUTHEAD
bne .8
bit bActive
bpl .7
bit OPENAPPLE
bmi .7
bit KBD
bmi .8
.7 lda #$ff
.HS 2C BIT ABS
.8 lda #0
clc
rts
.9 lda #MLI.E.BADCTL
.HS 2C BIT ABS
TERMX.OPEN.E lda #MLI.E.OPEN
sec
rts
*--------------------------------------
TERMX.OPEN jsr TERMX.ISOPENED
bne TERMX.OPEN.E
ldx #0
.2 jsr SHARED.GetScrnDevX
beq .3
inx
cpx #K.TTY.MAX+1
bne .2
lda #E.OOH
sec
rts
.3 lda ZPDevID
sta CLRWRITEAUX
sta A2osX.SCRNDEVS,x
sta SETWRITEAUX
sta (ZPDCBPtr) #S.DCB.TTY.DEVID
ldy #S.DCB.TTY.STATUS
lda (ZPDCBPtr),y
ora #S.DIB.S.OPENED
ora TERMX.DIB+S.DIB.S
sta (ZPDCBPtr),y
jsr RESET
*--------------------------------------
TERMX.CONTROL lda (ZPDCBPtr) #S.DCB.TTY.DEVID
sta CLRWRITEAUX
sta A2osX.ASCREEN
sta SETWRITEAUX
sta SETTEXT
jsr TERMX.SCRCPY
lda #0
ldy #S.DCB.TTY.bCURON
sta (ZPDCBPtr),y
iny #S.DCB.TTY.bTITLE
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
TERMX.CLOSE jsr TERMX.ISOPENED
beq .9
lda TERMX.DIB+S.DIB.S
sta (ZPDCBPtr),y
ldx #0
.1 jsr SHARED.GetScrnDevX
cmp (ZPDCBPtr) #S.DCB.TTY.DEVID
bne .2
sta CLRWRITEAUX
stz A2osX.SCRNDEVS,x
sta SETWRITEAUX
clc
rts
.2 inx
cpx #K.TTY.MAX+1
bne .1
.9 lda #MLI.E.IO
sec
rts
*--------------------------------------
TERMX.ISOPENED ldy #S.DCB.TTY.STATUS
lda (ZPDCBPtr),y
bit #S.DIB.S.OPENED
rts
*--------------------------------------
TERMX.READ bit bActive is screen active?
bpl .6 no....go check flush...
jsr TERMX.CURBLNK
bit OPENAPPLE
bpl .1
jsr TERMX.Title.ON
bra .6 Open apple key, not for us...
.1 jsr TERMX.Title.OFF
lda KBD
bpl .6
sta KBDSTROBE
and #$7F
cmp #C.ESC
bne .10
lda #3
.10 ldx #KeyRemapped.cnt-1
.2 cmp KeyRemapped,x
beq .3
dex
bpl .2
cmp #C.CR
bne .21
jsr Char.Out.Put
ldy #S.DCB.TTY.bCRLF
lda (ZPDCBPtr),y
bpl .7
lda #C.LF
.21 jsr Char.Out.Put no remap....send char....
bra .7 and flush
.3 lda KeyRemapped.Tbl,x
pha
lda #C.ESC
jsr Char.Out.Put
lda #'['
jsr Char.Out.Put
pla
jsr Char.Out.Put
bra .7
.6 ldy #S.DCB.TTY.OUTTAIL
lda (ZPDCBPtr),y
iny
cmp (ZPDCBPtr),y OUTHEAD
beq .9 no char in output buffer...
.7 stz .8+1
.70 inc ZPCount
bne .71
inc ZPCount+1
beq .8
.71 jsr Char.Out.Get
bcs .8
ldy .8+1
sta CLRWRITEAUX
sta (ZPBufPtr),y
sta SETWRITEAUX
iny
sty .8+1
bra .70
.8 lda #$ff SELF MODIFIED
sta CLRWRITEAUX
ldy #S.IOCTL.BYTECNT
sta (ZPIOCTL),y
iny
lda #0
sta (ZPIOCTL),y
clc
rts
.9 lda #E.NODATA
* sec
rts
*--------------------------------------
TERMX.WRITE jsr TERMX.CUROFF
.1 inc ZPCount
bne .2
inc ZPCount+1
beq .8
.2 ldy #S.DCB.TTY.MODE
lda (ZPDCBPtr),y
tax
jsr .3
inc ZPBufPtr
bne .1
inc ZPBufPtr+1
bra .1
.3 jmp (.4,x)
.4 .DA TERMX.COUT
.DA TERMX.ESC
.DA TERMX.CSI
.DA TERMX.IAC
.DA TERMX.G0
.DA TERMX.G1
.8 clc
rts
*--------------------------------------
TERMX.COUT jsr TERM.GetBufByte
cmp #IAC
bne .1
lda #S.DCB.TTY.MODE.IAC
jmp TERMX.SETMODE
.1 cmp #C.DEL
beq TERMX.COUT.DEL
cmp #C.SPACE
bcs .8
ldx #CtrlChars.Cnt-1
.2 cmp CtrlChars,x
beq .3
dex
bpl .2
clc
rts
.3 txa
asl
tax
jmp (.4,x)
.4 .DA ENQ
.DA TERMX.COUT.BS
.DA TERMX.COUT.LF
.DA TERMX.COUT.FF
.DA TERMX.COUT.CR
.DA TERMX.COUT.SO
.DA TERMX.COUT.SI
.DA TERMX.COUT.FS
.DA TERMX.COUT.ESC
*--------------------------------------
.8 jsr SetCharAtCurPos
*--------------------------------------
TERMX.COUT.FS ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
inc
sta (ZPDCBPtr),y
cmp #80
bcc TERMX.COUT.BS.8
ldy #S.DCB.TTY.bLINEWRAP
lda (ZPDCBPtr),y
bpl TERMX.COUT.BS.8
jsr TERMX.COUT.CR
jmp TERMX.COUT.LF.1
*--------------------------------------
TERMX.COUT.BS ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
beq TERMX.COUT.BS.1
dec
sta (ZPDCBPtr),y
TERMX.COUT.BS.8 clc
rts
TERMX.COUT.BS.1 ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
beq .2
dec
sta (ZPDCBPtr),y
lda #79
ldy #S.DCB.TTY.CH
sta (ZPDCBPtr),y
.2 clc
rts
*--------------------------------------
TERMX.COUT.DEL ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
beq .1
dec
sta (ZPDCBPtr),y
bra .3
.1 ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
beq TERMX.COUT.BS.8
dec
sta (ZPDCBPtr),y
ldy #S.DCB.TTY.CH
lda #79
sta (ZPDCBPtr),y S.DCB.TTY.CH
.3 lda #C.SPACE
jmp SetCharAtCurPos
*--------------------------------------
TERMX.COUT.FF jsr HOME
jmp TERMX.CLRSCR
*--------------------------------------
TERMX.COUT.CR lda #0
ldy #S.DCB.TTY.CH
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
TERMX.COUT.SO sec
.HS 90 BCC
*--------------------------------------
TERMX.COUT.SI clc
ldy #S.DCB.TTY.bG0G1
ror
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
TERMX.COUT.ESC lda #S.DCB.TTY.MODE.ESC
bra TERMX.SETMODE
*--------------------------------------
TERMX.ESC jsr TERM.GetBufByte y = #S.DCB.TTY.MODE
ldx #EscCodes.Cnt-1
.2 cmp EscCodes,x
beq .3
dex
bpl .2
bra TERMX.SETMODE0
.3 phx
jsr .4
plx
lda EscModes,x
bra TERMX.SETMODE
.4 txa
asl
tax
jmp (.5,x)
.5 .DA SaveCurPos 7
.DA RestoreCurPos 8
.DA Scroll.Dn M
.DA Scroll.Up D
.DA RESET c
.DA TERMX.SETMODE.RTS [
.DA TERMX.SETMODE.RTS (
.DA TERMX.SETMODE.RTS )
*--------------------------------------
TERMX.SETMODE0 lda #0
TERMX.SETMODE ldy #S.DCB.TTY.MODE
sta (ZPDCBPtr),y
ldy #S.DCB.TTY.INBUFFER
lda #S.DCB.TTY.INBUFFER
sta (ZPDCBPtr),y
clc
TERMX.SETMODE.RTS
rts
*--------------------------------------
TERMX.CSI ldy #S.DCB.TTY.INBUFFER
lda (ZPDCBPtr),y
inc
sta (ZPDCBPtr),y
tay
jsr TERM.GetBufByte
sta (ZPDCBPtr),y
cmp #64 End of Seq ?
bcs TERMX.CSI.Exec
cpy #S.DCB.TTY.INBUFFER.MAX-1 buffer full?
bne .8
jsr RESET.MODE
.8 clc
rts
TERMX.CSI.Exec stz CsiHeader
stz CsiParamCnt
lda #S.DCB.TTY.INBUFFER+1 EscSeq Ptr
clc
adc ZPDCBPtr
sta ZPPtr2
lda /S.DCB.TTY.INBUFFER+1
adc ZPDCBPtr+1
sta ZPPtr2+1
lda (ZPPtr2)
cmp #'?'
bne .2
sta CsiHeader
.1 jsr SHARED.NextCharPtr2
.2 jsr MATH32.Dec2ACC32
bcs .5
jsr SHARED.AddYToPtr2
lda #255
ldx ACC32+1
bne .3
lda ACC32
.3 ldx CsiParamCnt
sta CsiParams,x
inc CsiParamCnt
lda (ZPPtr2)
cmp #';'
beq .1
.5 jsr RESET.MODE
lda (ZPPtr2)
ldx #CsiCodes.Cnt-1
.6 cmp CsiCodes,x
beq .7
dex
bpl .6
clc
rts
.7 txa
asl
tax
jmp (.8,x)
.8 .DA Csi.SetMode h
.DA Csi.ResetMode l
.DA Csi.DispAttr m
.DA Csi.Query n
.DA Csi.Scroll r
.DA Csi.EraseScreen J
.DA Csi.EraseLine K
.DA Csi.Home H
*--------------------------------------
Csi.SetMode sec
.HS 90 BCC
*--------------------------------------
Csi.ResetMode clc
ldx CsiParamCnt
beq .99
dex
bne .99
ldx CsiHeader
lda CsiParams
php
cmp #20 bCRLF
bne .1
txa
bne .98
ldy #S.DCB.TTY.bCRLF
bra .8
.1 cmp #7
bne .98
cpx #'?'
bne .98
ldy #S.DCB.TTY.bLINEWRAP
.8 plp
ror
sta (ZPDCBPtr),y
clc
rts
.98 plp
.99 clc
rts
*--------------------------------------
Csi.DispAttr ldx CsiParamCnt
bne .1
jmp RESETATTR
.1 lda CsiParams-1,x
bne .2
jsr RESETATTR
bra .7
.2 eor #7
bne .7
.3 ldy #S.DCB.TTY.bNORMAL
sta (ZPDCBPtr),y
.7 dex
bne .1
.8 clc
rts
*--------------------------------------
Csi.Query ldx CsiParamCnt
beq .8
dex
bne .8
lda CsiParams
cmp #6
bne .8
lda #C.ESC
jsr Char.Out.Put
lda #'['
jsr Char.Out.Put
ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
inc
jsr Decimal.Out
lda #';'
jsr Char.Out.Put
ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
inc
jsr Decimal.Out
lda #'R'
jsr Char.Out.Put
.8 clc
rts
*--------------------------------------
Csi.Scroll ldy CsiParamCnt
bne .1
lda #0
ldx #23
bra .8
.1 cpy #2
bne .9
lda CsiParams
dec
ldx CsiParams+1
dex
.8 ldy #S.DCB.TTY.SCROLLTOP
sta (ZPDCBPtr),y
iny S.DCB.TTY.SCROLLBOT
txa
sta (ZPDCBPtr),y
.9 clc
rts
*--------------------------------------
Csi.EraseScreen ldx CsiParamCnt
bne .1
jmp TERMX.CLRSCR.DN
.1 lda CsiParams
cmp #1
bne .2
jmp TERMX.CLRSCR.UP
.2 cmp #2
bne .9
jmp TERMX.CLRSCR
.9 clc
rts
*--------------------------------------
Csi.EraseLine ldx CsiParamCnt
bne .1
jmp CLREOL
.1 lda CsiParams
cmp #1
bne .2
jmp CLRSOL
.2 cmp #2
bne Csi.Home.8
jmp CLRLINE
*--------------------------------------
Csi.Home lda CsiParamCnt
beq HOME
ldx #1
lda CsiParams
beq .2
ldx #24
cmp #24
bcs .2
tax
.2 dex
txa
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
dec CsiParamCnt
beq Csi.Home.8
ldx #1
lda CsiParams+1
beq .3
ldx #80
cmp #80
bcs .3
tax
.3 dex
txa
ldy #S.DCB.TTY.CH
sta (ZPDCBPtr),y
Csi.Home.8 clc
rts
*--------------------------------------
HOME lda #0
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
ldy #S.DCB.TTY.CH
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
TERMX.G0 ldx #$80
.HS 2C BIT ABS
TERMX.G1 ldx #$40
ldy #S.DCB.TTY.bG0G1ALT
jsr TERM.GetBufByte
cmp #'0'
beq .1
txa
eor #$ff
and (ZPDCBPtr),y
bra .8
.1 txa
ora (ZPDCBPtr),y
.8 sta (ZPDCBPtr),y
jmp TERMX.SETMODE0
*--------------------------------------
TERMX.IAC ldy #S.DCB.TTY.INBUFFER
lda (ZPDCBPtr),y
inc
sta (ZPDCBPtr),y
tay
jsr TERM.GetBufByte
sta (ZPDCBPtr),y
cpy #S.DCB.TTY.INBUFFER+1 CMD ?
beq Csi.Home.8 yes, wait for additional bytes
ldy #S.DCB.TTY.INBUFFER+1
lda (ZPDCBPtr),y get back CMD
cmp #SB
bne .1 not a SB/SE....stop with CMD/SUBCMD
jsr TERM.GetBufByte
cmp #SE
bne Csi.Home.8 wait for ending SE....keep bIACMode
bra COUT.IAC.SB
ldy #S.DCB.TTY.INBUFFER+1
lda (ZPDCBPtr),y get back CMD
.1 cmp #IAC
beq COUT.IAC.SB.9
sec
sbc #WILL
bcc COUT.IAC.SB.9
asl
tax
ldy #S.DCB.TTY.INBUFFER+2
lda (ZPDCBPtr),y Get SUBCMD in A
jmp (.8,x)
.8 .DA COUT.IAC.WILL
.DA COUT.IAC.WONT
.DA COUT.IAC.DO
.DA COUT.IAC.DONT
*--------------------------------------
COUT.IAC.SB ldy #S.DCB.TTY.INBUFFER+2
lda (ZPDCBPtr),y Get SUBCMD in A
cmp #TN.O.TTYPE
bne COUT.IAC.SB.9
iny
lda (ZPDCBPtr),y
cmp #SB.SEND
bne COUT.IAC.SB.9
ldx #0
.1 lda SB.IS.TTYPE,x
jsr Char.Out.Put
inx
cpx #SB.IS.TTYPE.LEN
bne .1
COUT.IAC.SB.9 bra COUT.IAC.EXIT
*--------------------------------------
COUT.IAC.WILL ldx #WILLDO.CNT-1
.1 cmp WILLDO,x
beq .7
dex
bpl .1
ldx #WILLDONT.CNT-1
.2 cmp WILLDONT,x
beq .8
dex
bpl .2
bra COUT.IAC.EXIT
.7 ldx #DO
.HS 2C BIT ABS
.8 ldx #DONT
bra COUT.IAC.SendAX
*--------------------------------------
COUT.IAC.DO ldx #DOWILL.CNT-1
.1 cmp DOWILL,x
beq .7
dex
bpl .1
ldx #DOWONT.CNT-1
.2 cmp DOWONT,x
beq .8
dex
bpl .2
bra COUT.IAC.EXIT
.7 ldx #WILL
.HS 2C BIT ABS
.8 ldx #WONT
*--------------------------------------
COUT.IAC.SendAX
pha push CMD
phx
lda #IAC
jsr Char.Out.Put
pla
jsr Char.Out.Put
pla
jsr Char.Out.Put
*--------------------------------------
COUT.IAC.WONT
*--------------------------------------
COUT.IAC.DONT
*--------------------------------------
COUT.IAC.EXIT
*--------------------------------------
RESET.MODE lda #0
ldy #S.DCB.TTY.MODE
sta (ZPDCBPtr),y
rts
*--------------------------------------
RESET ldy #S.DCB.TTY.MODE
.1 lda RESET.VALUES-S.DCB.TTY.MODE,y
sta (ZPDCBPtr),y
iny
cpy #S.DCB.TTY.INBUFFER+1
bne .1
jmp TERMX.CLRSCR
*--------------------------------------
RESETATTR lda #$80
ldy #S.DCB.TTY.bNORMAL
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
ENQ ldx #0
.1 lda ENQ.String,x
jsr Char.Out.Put
inx
cpx #ENQ.String.Len
bne .1
.8 clc
rts
*--------------------------------------
TERMX.COUT.LF ldy #S.DCB.TTY.bCRLF
lda (ZPDCBPtr),y
bpl TERMX.COUT.LF.1
jsr TERMX.COUT.CR
TERMX.COUT.LF.1 ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
ldy #S.DCB.TTY.SCROLLBOT
cmp (ZPDCBPtr),y
beq SCROLL.UP
inc
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
CLRSOL ldy #S.DCB.TTY.CH End
lda (ZPDCBPtr),y
cmp #80
bcc CLRLINE.1
CLRLINE lda #80 End
CLRLINE.1 ldy #0 Start
bra CLR
CLREOL ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
tay Start
cpy #80
bcs CLR.8
lda #80 End
CLR sty .1+1 Save Start
sta .2+1 Save End
ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
tax
.1 ldy #$ff SELF MODIFIED
.2 cpy #$ff SELF MODIFIED
bcs CLR.8
lda #" "
jsr SetCharAtYX X unmodified
inc .1+1
bra .1
CLR.8 clc
rts
*--------------------------------------
SaveCurPos ldy #S.DCB.TTY.CH
jsr .1
iny
.1 lda (ZPDCBPtr),y
iny
sta (ZPDCBPtr),y
rts
*--------------------------------------
RestoreCurPos jsr TERMX.CUROFF
ldy #S.DCB.TTY.CV.SAVE
jsr .1
dey
.1 lda (ZPDCBPtr),y
dey
sta (ZPDCBPtr),y
rts
*--------------------------------------
SCROLL.UP ldy #S.DCB.TTY.SCROLLTOP
lda (ZPDCBPtr),y
tax
.1 jsr TERMX.SETUP.L1X
inx
jsr TERMX.COPY.XtoL1
txa
ldy #S.DCB.TTY.SCROLLBOT
cmp (ZPDCBPtr),y
bne .1
bra CLRLINE
*--------------------------------------
SCROLL.DN ldy #S.DCB.TTY.SCROLLBOT
lda (ZPDCBPtr),y
tax
.1 jsr TERMX.SETUP.L1X
dex
jsr TERMX.COPY.XtoL1
txa
ldy #S.DCB.TTY.SCROLLTOP
cmp (ZPDCBPtr),y
bne .1
clc
rts
*--------------------------------------
TERMX.CURBLNK bit bActive
bpl .9
lda DevMgr.Timer
and #CURSOR.BLINK.SPEED
ldy #S.DCB.TTY.bCURON
eor (ZPDCBPtr),y
bne TERMX.CURBLNK.1
.9 rts
TERMX.CUROFF bit bActive
bpl TERMX.CURBLNK.RTS
ldy #S.DCB.TTY.bCURON
lda (ZPDCBPtr),y
beq TERMX.CURBLNK.RTS
TERMX.CURBLNK.1 lda (ZPDCBPtr),y
bne TERMX.CURBLNK.OFF
jsr GetCharAtCurPos
bcs TERMX.CURBLNK.RTS Out of screen
and #$80
eor #" "
TERMX.CURBLNK.SET
jsr SetCharAtY.SCR
ldy #S.DCB.TTY.bCURON
lda (ZPDCBPtr),y
eor #CURSOR.BLINK.SPEED
sta (ZPDCBPtr),y
rts
TERMX.CURBLNK.OFF
jsr GetCharAtCurPos
bcc TERMX.CURBLNK.SET if not Out of screen
TERMX.CURBLNK.RTS
rts
*--------------------------------------
Decimal.Out jsr MATH32.A2STR10NP
ldx #0
.1 lda A2osX.NumStrBuf,x
beq TERMX.CURBLNK.RTS
inx
jsr Char.Out.Put
bra .1
*--------------------------------------
Char.Out.Put pha save char
ldy #S.DCB.TTY.OUTHEAD
lda (ZPDCBPtr),y
pha save actual HEAD
inc
cmp #S.DCB.TTY.OUTBUFFER.MAX
bne .1
lda #S.DCB.TTY.OUTBUFFER
.1 dey OUTTAIL
cmp (ZPDCBPtr),y HEAD+1 = TAIL ?
beq .9 CS, full!
iny
sta (ZPDCBPtr),y new head
ply old head
pla
sta (ZPDCBPtr),y
clc
rts
.9 pla
pla
rts
*--------------------------------------
Char.Out.Get ldy #S.DCB.TTY.OUTTAIL
lda (ZPDCBPtr),y
iny OUTHEAD
cmp (ZPDCBPtr),y
beq .9 CS
tay
lda (ZPDCBPtr),y
pha
tya
inc
cmp #S.DCB.TTY.OUTBUFFER.MAX
bne .1
lda #S.DCB.TTY.OUTBUFFER
.1 ldy #S.DCB.TTY.OUTTAIL
sta (ZPDCBPtr),y
pla
clc
.9 rts
*--------------------------------------
TERMX.SETUP.L1X lda ZPDCBPtr
clc
adc BUF.BASEL,x
sta ZPBufBaseL1
lda ZPDCBPtr+1
adc BUF.BASEH,x
sta ZPBufBaseL1+1
bit bActive
bpl TERMX.SETUP.L1X.8
TERMX.SETUP.L1X.SCR
lda SCR.BASEL,x
sta ZPScrBaseL1
lda SCR.BASEH,x
sta ZPScrBaseL1+1
TERMX.SETUP.L1X.8
rts
*--------------------------------------
TERMX.CLRSCR.DN ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
tax
bra TERMX.CLRSCR.1
TERMX.CLRSCR.UP ldx #0
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
tay
bra TERMX.CLRSCR.2
TERMX.CLRSCR ldx #0
TERMX.CLRSCR.1 ldy #24
TERMX.CLRSCR.2 sty .1+1
.1 cpx #$ff SELF MODIFIED
beq .9
jsr TERMX.SETUP.L1X
lda #" "
bit bActive
bpl .4
sta SETPAGE2
jsr .7
sta CLRPAGE2
jsr .7
.4 ldy #79
.5 sta (ZPBufBaseL1),y
dey
bpl .5
inx
bra .1
.7 ldy #39
.8 sta (ZPScrBaseL1),y
dey
bpl .8
.9 rts
*--------------------------------------
TERMX.Title.ON ldy #S.DCB.TTY.bTITLE
lda (ZPDCBPtr),y
bmi TERMX.Title.RTS
lda #$ff
sta (ZPDCBPtr),y
lda (ZPDCBPtr) #S.DCB.TTY.DEVID
tax
jsr TERM.GetDevName
>STYA TXTPTR
ldx #0
jsr TERMX.SETUP.L1X.SCR
ldy #0
.1 jsr SHARED.TXTPTR.GetNext
beq .3
cmp #$40
bcc .2
cmp #$60
bcs .2
and #$1F remap UPPERCASE
.2 phy
jsr SetCharAtY.SCR
ply
iny
bne .1
.3 lda #C.SPACE
.4 phy
jsr SetCharAtY.SCR
ply
iny
cpy #80
bne .4
TERMX.Title.RTS rts
TERMX.Title.OFF ldy #S.DCB.TTY.bTITLE
lda (ZPDCBPtr),y
bpl TERMX.Title.RTS
lda #$0
sta (ZPDCBPtr),y
*--------------------------------------
TERMX.LINE0CPY ldx #0
.HS 2C BIT ABS
TERMX.SCRCPY ldx #23
.1 lda ZPDCBPtr
clc
adc BUF.BASEL,x
sta .80+1
lda ZPDCBPtr+1
adc BUF.BASEH,x
sta .80+2
jsr TERMX.SETUP.L1X.SCR
phx
ldx #78
sta SETPAGE2
ldy #39
jsr .8
ldx #79
sta CLRPAGE2
ldy #39
jsr .8
plx
dex
bpl .1
rts
.8 ldy #39
.80 lda $ffff,x SELF MODIFIED
sta (ZPScrBaseL1),y
dex
dex
dey
bpl .80
rts
*--------------------------------------
TERMX.COPY.XtoL1
lda ZPDCBPtr
clc
adc BUF.BASEL,x
sta ZPBufBaseL2
lda ZPDCBPtr+1
adc BUF.BASEH,x
sta ZPBufBaseL2+1
ldy #79
.1 lda (ZPBufBaseL2),y
sta (ZPBufBaseL1),y
dey
bpl .1
bit bActive
bpl .8
lda SCR.BASEL,x
sta ZPScrBaseL2
lda SCR.BASEH,x
sta ZPScrBaseL2+1
sta SETPAGE2
jsr .6
sta CLRPAGE2
.6 ldy #39
.7 lda (ZPScrBaseL2),y
sta (ZPScrBaseL1),y
dey
bpl .7
.8 rts
*--------------------------------------
SetCharAtCurPos pha
ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
tax
ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
tay
pla
cpy #80
bcs SetCharAtYX.8
*--------------------------------------
SetCharAtYX cmp #$40
bcc .1
cmp #$60
bcs .1
and #$1F remap UPPERCASE
.1 phy
ldy #S.DCB.TTY.bNORMAL
ora (ZPDCBPtr),y
sta ZPTmpChar
ldy #S.DCB.TTY.bG0G1 Select Active Font
lda (ZPDCBPtr),y
clc
bpl .2
sec
.2 lda #$80
bcc .21
lsr
.21 iny #S.DCB.TTY.bG0G1ALT
and (ZPDCBPtr),y
beq .3 not Graphic mode
lda ZPTmpChar
cmp #$E0 Normal lowercase ?
bcc .3
tay
lda REMAP.E0.FF-$E0,y
sta ZPTmpChar
.3 jsr TERMX.SETUP.L1X
ply
lda ZPTmpChar
sta (ZPBufBaseL1),y
bit bActive
bpl SetCharAtYX.8
SetCharAtY.SCR pha
tya
lsr
tay
pla
bcs .2
sta SETPAGE2
sta (ZPScrBaseL1),y
rts
.2 sta CLRPAGE2
sta (ZPScrBaseL1),y
SetCharAtYX.8 rts
*--------------------------------------
GetCharAtCurPos ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
cmp #24
bcs .9 Out of screen
tax
jsr TERMX.SETUP.L1X
ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
cmp #80
bcs .9 Out of screen
tay
lda (ZPBufBaseL1),y
cmp #$20
bcs .8
* clc
adc #40 remap $00-$1F uppercase
.8 clc
.9 rts
*--------------------------------------
CtrlChars .DA #C.ENQ,#C.BS,#C.LF,#C.FF,#C.CR,#C.SO,#C.SI,#C.FS,#C.ESC
CtrlChars.Cnt .EQ *-CtrlChars
*--------------------------------------
EscCodes .AZ "78MDc[()"
EscCodes.Cnt .EQ *-EscCodes
EscModes .DA #0,#0,#0,#0,#0,#S.DCB.TTY.MODE.CSI,#S.DCB.TTY.MODE.G0,#S.DCB.TTY.MODE.G1
CsiCodes .AS "hlmnrJKH"
CsiCodes.Cnt .EQ *-CsiCodes
*--------------------------------------
KeyRemapped .HS 080A0B15 Left,Down,Up,Right
KeyRemapped.Cnt .EQ *-KeyRemapped
KeyRemapped.Tbl .HS 44424143 esc[D,esc[B,esc[A,esc[C
*--------------------------------------
WILLDO .DA #TN.O.BINARY,#TN.O.SGA,#TN.O.ECHO
WILLDO.CNT .EQ *-WILLDO
WILLDONT .DA #TN.O.TSPEED,#TN.O.LINEMODE,#TN.O.STATUS
WILLDONT.CNT .EQ *-WILLDONT
DOWILL .DA #TN.O.BINARY,#TN.O.SGA,#TN.O.TTYPE,#TN.O.NAWS
DOWILL.CNT .EQ *-DOWILL
DOWONT .DA #TN.O.ECHO,#TN.O.NEWENV,#TN.O.XDISPLOC
.DA #TN.O.TSPEED,#TN.O.LFLOW,#TN.O.AUTH
DOWONT.CNT .EQ *-DOWONT
*--------------------------------------
SB.IS.TTYPE .DA #IAC,#SB,#TN.O.TTYPE,#SB.IS
ENQ.String .AS "vt100"
ENQ.String.Len .EQ *-ENQ.String
.DA #IAC,#SE
SB.IS.TTYPE.LEN .EQ *-SB.IS.TTYPE
SB.IS.NAWS .DA #IAC,#SB,#TN.O.NAWS,#SB.IS
.DA 80
.DA 24
.DA #IAC,#SE
SB.IS.NAWS.LEN .EQ *-SB.IS.NAWS
*--------------------------------------
RESET.VALUES .DA #0 MODE
.DA #0 CH
.DA #0 CH.SAVE
.DA #0 CV
.DA #0 CV.SAVE
.DA #0 SCROLLTOP
.DA #23 SCROLLBOT
.DA #0 bCURON
.DA #0 bTITLE
.DA #$80 bNORMAL
.DA #$80 bLINEWRAP
.DA #$80 bCRLF
.DA #0 bG0G1
.DA #0 bG0G1ALT
.DA #S.DCB.TTY.OUTBUFFER OUTTAIL
.DA #S.DCB.TTY.OUTBUFFER OUTHEAD
.DA #S.DCB.TTY.INBUFFER INBUFFER
*--------------------------------------
TERMX.DIB .DA #S.DIB.S.WRITE+S.DIB.S.READ
.DA #0,#0,#0
>PSTR "A2osX VT100 term"
.DA #S.DIB.T.CHAR
.DA #0
.DA K.VER
*--------------------------------------
* ` a b c d e f g h i j k l m n o
REMAP.E0.FF .HS 5B4142434445464748495FA0DF544e4f
* p q r s t u v w x y z { | } ~ DEL
.HS 50DF5253545556575F595a5b5c5d5e5f
*--------------------------------------
SCR.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
SCR.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
*--------------------------------------
BUF.BASEL .DA #S.DCB.TTY+0
.DA #S.DCB.TTY+80
.DA #S.DCB.TTY+160
.DA #S.DCB.TTY+240
.DA #S.DCB.TTY+320
.DA #S.DCB.TTY+400
.DA #S.DCB.TTY+480
.DA #S.DCB.TTY+560
.DA #S.DCB.TTY+640
.DA #S.DCB.TTY+720
.DA #S.DCB.TTY+800
.DA #S.DCB.TTY+880
.DA #S.DCB.TTY+960
.DA #S.DCB.TTY+1040
.DA #S.DCB.TTY+1120
.DA #S.DCB.TTY+1200
.DA #S.DCB.TTY+1280
.DA #S.DCB.TTY+1360
.DA #S.DCB.TTY+1440
.DA #S.DCB.TTY+1520
.DA #S.DCB.TTY+1600
.DA #S.DCB.TTY+1680
.DA #S.DCB.TTY+1760
.DA #S.DCB.TTY+1840
BUF.BASEH .DA /S.DCB.TTY+0
.DA /S.DCB.TTY+80
.DA /S.DCB.TTY+160
.DA /S.DCB.TTY+240
.DA /S.DCB.TTY+320
.DA /S.DCB.TTY+400
.DA /S.DCB.TTY+480
.DA /S.DCB.TTY+560
.DA /S.DCB.TTY+640
.DA /S.DCB.TTY+720
.DA /S.DCB.TTY+800
.DA /S.DCB.TTY+880
.DA /S.DCB.TTY+960
.DA /S.DCB.TTY+1040
.DA /S.DCB.TTY+1120
.DA /S.DCB.TTY+1200
.DA /S.DCB.TTY+1280
.DA /S.DCB.TTY+1360
.DA /S.DCB.TTY+1440
.DA /S.DCB.TTY+1520
.DA /S.DCB.TTY+1600
.DA /S.DCB.TTY+1680
.DA /S.DCB.TTY+1760
.DA /S.DCB.TTY+1840
*--------------------------------------
MAN
SAVE usr/src/sys/kernel.s.termx
LOAD usr/src/sys/kernel.s
ASM
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