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A2osX/SYS/KERNEL.S.TERMX.txt

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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
ZPCnt .BS 2
ZPBufBL1 .BS 2
ZPBufBL2 .BS 2
ZPScrBL1 .BS 2
ZPScrBL2 .BS 2
*--------------------------------------
bActive .BS 1
ZPhFD .BS 1
ZPTmpBool .BS 1
ZPTmpChar .BS 1
CsiH .BS 1
CsiPCnt .BS 1
CsiP .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.S.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.S
lda (ZPDCBPtr),y
sta (ZPBufPtr)
clc
rts
.3 cmp #S.IOCTL.S.EOF
bne .9
jsr TERMX.ISOPENED
beq TERMX.OPEN.E
jsr TERMX.CBLNK
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
lda (ZPDCBPtr) #S.DCB.TTY.DEVID
tax
lda ZPhFD
sta CLRWRITEAUX
sta A2osX.SCRNDEVS,x
sta SETWRITEAUX
ldy #S.DCB.TTY.S
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
sta CLRMIXED
jsr TERMX.SCRCPY
lda #0
ldy #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
lda (ZPDCBPtr) #S.DCB.TTY.DEVID
tax
sta CLRWRITEAUX
stz A2osX.SCRNDEVS,x
sta SETWRITEAUX
clc
rts
.9 lda #MLI.E.IO
sec
rts
*--------------------------------------
TERMX.ISOPENED ldy #S.DCB.TTY.S
lda (ZPDCBPtr),y
bit #S.DIB.S.OPENED
rts
*--------------------------------------
TERMX.READ bit bActive is screen active?
bpl .6 no....go check flush...
jsr TERMX.CBLNK
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 #$7F
cmp #C.ESC
bne .10
lda #3
.10 ldx #3
.2 cmp KeyMap,x
beq .3
dex
bpl .2
cmp #C.CR
bne .21
jsr TERMX.COUT
ldy #S.DCB.TTY.bCRLF
lda (ZPDCBPtr),y
bpl .7
lda #C.LF
.21 jsr TERMX.COUT no remap....send char....
bra .7 and flush
.3 lda KeyMap.Tbl,x
pha
lda #C.ESC
jsr TERMX.COUT
lda #'['
jsr TERMX.COUT
pla
jsr TERMX.COUT
bra .7
.6 ldy #S.DCB.TTY.OUTTAIL
lda (ZPDCBPtr),y
iny
cmp (ZPDCBPtr),y OUTHEAD
beq .9 no char in output buffer...
.7 stz .8+1
.70 inc ZPCnt
bne .71
inc ZPCnt+1
beq .8
.71 jsr Char.Out.Get
bcs .8
ldy .8+1
sta CLRWRITEAUX
sta (ZPBufPtr),y
sta SETWRITEAUX
iny
sty .8+1
bra .70
.8 lda #$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 ZPCnt
bne .2
inc ZPCnt+1
beq .8
.2 ldy #S.DCB.TTY.M
lda (ZPDCBPtr),y
tax
jsr .3
inc ZPBufPtr
bne .1
inc ZPBufPtr+1
bra .1
.3 jmp (.4,x)
.4 .DA TERMX.OUT
.DA TERMX.ESC
.DA TERMX.CSI
.DA TERMX.IAC
.DA TERMX.G0
.DA TERMX.G1
.8 clc
rts
*--------------------------------------
TERMX.OUT jsr TERM.GetBufByte
cmp #IAC
bne .1
lda #S.DCB.TTY.M.IAC
jmp TERMX.SETM
.1 cmp #C.DEL
beq TERMX.OUT.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.OUT.BS
.DA TERMX.OUT.LF
.DA TERMX.OUT.FF
.DA TERMX.OUT.CR
.DA TERMX.OUT.SO
.DA TERMX.OUT.SI
.DA TERMX.OUT.FS
.DA TERMX.OUT.ESC
*--------------------------------------
.8 jsr SetCharAtCurPos
*--------------------------------------
TERMX.OUT.FS ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
inc
sta (ZPDCBPtr),y
cmp #80
bcc TERMX.OUT.BS.8
ldy #S.DCB.TTY.bLINEWRAP
lda (ZPDCBPtr),y
bpl TERMX.OUT.BS.8
jsr TERMX.OUT.CR
jmp TERMX.OUT.LF.1
*--------------------------------------
TERMX.OUT.BS ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
beq TERMX.OUT.BS.1
dec
sta (ZPDCBPtr),y
TERMX.OUT.BS.8 clc
rts
TERMX.OUT.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.OUT.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.OUT.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.OUT.FF jsr HOME
jmp TERMX.CLRSCR
*--------------------------------------
TERMX.OUT.CR lda #0
ldy #S.DCB.TTY.CH
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
TERMX.OUT.SO sec
.HS 90 BCC
*--------------------------------------
TERMX.OUT.SI clc
ldy #S.DCB.TTY.bG0G1
ror
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
TERMX.OUT.ESC lda #S.DCB.TTY.M.ESC
bra TERMX.SETM
*--------------------------------------
TERMX.ESC jsr TERM.GetBufByte y = #S.DCB.TTY.M
ldx #EscCodes.Cnt-1
.2 cmp EscCodes,x
beq .3
dex
bpl .2
bra TERMX.SETM0
.3 phx
jsr .4
plx
lda EscModes,x
bra TERMX.SETM
.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.RTS [
.DA TERMX.RTS (
.DA TERMX.RTS )
*--------------------------------------
TERMX.SETM0 lda #0
TERMX.SETM ldy #S.DCB.TTY.M
sta (ZPDCBPtr),y
ldy #S.DCB.TTY.INBUF
lda #S.DCB.TTY.INBUF
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
TERMX.CSI ldy #S.DCB.TTY.INBUF
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.INBUF.MAX-1 buffer full?
bne .8
jsr RESET.MODE
.8 clc
rts
TERMX.CSI.Exec stz CsiH
stz CsiPCnt
lda #S.DCB.TTY.INBUF+1 EscSeq Ptr
clc
adc ZPDCBPtr
sta ZPPtr2
lda /S.DCB.TTY.INBUF+1
adc ZPDCBPtr+1
sta ZPPtr2+1
lda (ZPPtr2)
cmp #'?'
bne .2
sta CsiH
.1 jsr SHARED.NextCP2
.2 jsr MATH.Dec2ACC32
bcs .5
jsr SHARED.AddY2P2
lda #255
ldx ACC32+1
bne .3
lda ACC32
.3 ldx CsiPCnt
sta CsiP,x
inc CsiPCnt
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.SetM h
.DA Csi.ResetM l
.DA Csi.DispAttr m
.DA Csi.Query n
.DA Csi.Scroll r
.DA Csi.CUU A
.DA Csi.CUD B
.DA Csi.CUF C
.DA Csi.CUB D
.DA Csi.CLRSCR J
.DA Csi.CLRL K
.DA Csi.Home H
*--------------------------------------
* CRLF : ESC [ 20
* LINEWRAP : ESC [ ? 7
* CUR : ESC [ ? 25
*--------------------------------------
Csi.SetM sec
.HS 90 BCC
*--------------------------------------
Csi.ResetM clc
ldx CsiPCnt
beq .99
dex
bne .99
lda CsiP
ldx CsiH
php
bne .1
cmp #20 bCRLF
bne .98
ldy #S.DCB.TTY.bCRLF
bra .8
*--------------------------------------
.1 cpx #'?'
bne .98
cmp #7
bne .2
ldy #S.DCB.TTY.bLINEWRAP
bra .8
.2 cmp #25
bne .98
ldy #S.DCB.TTY.bCURON
plp
lda #0
ror
sta (ZPDCBPtr),y
bmi .80
jsr TERMX.CUROFF
clc
rts
.8 plp
ror
sta (ZPDCBPtr),y
.80 clc
rts
.98 plp
.99 clc
rts
*--------------------------------------
Csi.DispAttr ldx CsiPCnt
bne .10
jmp RESETATTR
.10 ldx #0
.1 lda CsiP,x
bne .2
jsr RESETATTR
bra .7
.2 eor #7
bne .7
.3 ldy #S.DCB.TTY.bNORMAL
sta (ZPDCBPtr),y
.7 inx
dec CsiPCnt
bne .1
.8 clc
rts
*--------------------------------------
Csi.Query ldx CsiPCnt
beq .8
dex
bne .8
lda CsiP
cmp #6
bne .8
lda #C.ESC
jsr TERMX.COUT
lda #'['
jsr TERMX.COUT
ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
inc
jsr DecOut
lda #';'
jsr TERMX.COUT
ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
inc
jsr DecOut
lda #'R'
jsr TERMX.COUT
.8 clc
rts
*--------------------------------------
Csi.Scroll ldy CsiPCnt
bne .1
lda #0
ldx #23
bra .8
.1 cpy #2
bne .9
lda CsiP
dec
ldx CsiP+1
dex
.8 ldy #S.DCB.TTY.SCROLLTOP
sta (ZPDCBPtr),y
iny S.DCB.TTY.SCROLLBOT
txa
sta (ZPDCBPtr),y
.9 clc
rts
*--------------------------------------
Csi.CUU sec
.HS 90 BCC
Csi.CUD clc
ldy #S.DCB.TTY.CV
bra Csi.CU
Csi.CUF clc
.HS B0 BCS
Csi.CUB sec
ldy #S.DCB.TTY.CH
Csi.CU lda CsiPCnt
beq .8
dec
bne .8
lda (ZPDCBPtr),y
bcs .1
adc CsiP
sta (ZPDCBPtr),y
clc
rts
.1 sbc CsiP
sta (ZPDCBPtr),y
.8 clc
rts
*--------------------------------------
Csi.CLRSCR ldx CsiPCnt
beq .8
.1 lda CsiP
beq .8
cmp #1
bne .2
jmp TERMX.CLRSCR.DN
.2 cmp #2
bne .9
jmp TERMX.CLRSCR.UP
.8 jmp TERMX.CLRSCR
.9 clc
rts
*--------------------------------------
Csi.CLRL ldx CsiPCnt
bne .1
jmp CLREOL
.1 lda CsiP
cmp #1
bne .2
jmp CLRSOL
.2 cmp #2
bne Csi.Home.8
jmp CLRLINE
*--------------------------------------
Csi.Home lda CsiPCnt
beq HOME
ldx #1
lda CsiP
beq .2
ldx #24
cmp #24
bcs .2
tax
.2 dex
txa
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
dec CsiPCnt
beq Csi.Home.8
ldx #1
lda CsiP+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.SETM0
*--------------------------------------
TERMX.IAC ldy #S.DCB.TTY.INBUF
lda (ZPDCBPtr),y
inc
sta (ZPDCBPtr),y
tay
jsr TERM.GetBufByte
sta (ZPDCBPtr),y
cpy #S.DCB.TTY.INBUF+1 CMD ?
beq Csi.Home.8 yes, wait for additional bytes
ldy #S.DCB.TTY.INBUF+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.INBUF+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.INBUF+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.INBUF+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 TERMX.COUT
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 TERMX.COUT
pla
jsr TERMX.COUT
pla
jsr TERMX.COUT
*--------------------------------------
COUT.IAC.WONT
*--------------------------------------
COUT.IAC.DONT
*--------------------------------------
COUT.IAC.EXIT
*--------------------------------------
RESET.MODE lda #0
ldy #S.DCB.TTY.M
sta (ZPDCBPtr),y
rts
*--------------------------------------
RESET ldy #S.DCB.TTY.M
.1 lda RESET.VALUES-S.DCB.TTY.M,y
sta (ZPDCBPtr),y
iny
cpy #S.DCB.TTY.INBUF+1
bne .1
jmp TERMX.CLRSCR
*--------------------------------------
RESETATTR lda #$80
ldy #S.DCB.TTY.bNORMAL
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
ENQ ldx #0
.1 lda ENQ.String,x
jsr TERMX.COUT
inx
cpx #ENQ.String.Len
bne .1
.8 clc
rts
*--------------------------------------
TERMX.OUT.LF ldy #S.DCB.TTY.bCRLF
lda (ZPDCBPtr),y
bpl TERMX.OUT.LF.1
jsr TERMX.OUT.CR
TERMX.OUT.LF.1 ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
ldy #S.DCB.TTY.SCROLLBOT
cmp (ZPDCBPtr),y
beq SCROLL.UP
inc
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
clc
rts
*--------------------------------------
CLRSOL ldy #S.DCB.TTY.CH End
lda (ZPDCBPtr),y
cmp #80
bcc CLRLINE.1
CLRLINE lda #80 End
CLRLINE.1 ldy #0 Start
bra CLR
CLREOL ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
tay Start
cpy #80
bcs CLR.8
lda #80 End
CLR sty .1+1 Save Start
sta .2+1 Save End
ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
tax
.1 ldy #$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.CBLNK jsr TERMX.CCheck
bcs TERMX.RTS
lda DevMgr.Timer
and #CURSOR.BLINK.SPEED
eor (ZPDCBPtr),y
asl
beq TERMX.RTS
lda (ZPDCBPtr),y
eor #CURSOR.BLINK.SPEED
sta (ZPDCBPtr),y
asl
beq TERMX.CUROFF.1
jsr GetCharAtCurPos
bcs TERMX.RTS Out of screen
and #$80
eor #" "
jmp SetCharAtY.SCR
*--------------------------------------
TERMX.CUROFF jsr TERMX.CCheck
bcs TERMX.RTS
asl
beq TERMX.RTS already off
TERMX.CUROFF.1 jsr GetCharAtCurPos
bcs TERMX.RTS Out of screen
jmp SetCharAtY.SCR
TERMX.RTS rts
*--------------------------------------
TERMX.CCheck sec
bit bActive
bpl .9
ldy #S.DCB.TTY.bCURON
lda (ZPDCBPtr),y
bpl .9
clc
.9 rts
*--------------------------------------
DecOut jsr MATH.A2STR10NP
ldx #0
.1 lda FOUTBuf,x
beq TERMX.RTS
inx
jsr TERMX.COUT
bra .1
*--------------------------------------
TERMX.COUT pha save char
ldy #S.DCB.TTY.OUTHEAD
lda (ZPDCBPtr),y
pha save actual HEAD
inc
cmp #S.DCB.TTY.OUTBUF.MAX
bne .1
lda #S.DCB.TTY.OUTBUF
.1 dey OUTTAIL
cmp (ZPDCBPtr),y HEAD+1 = TAIL ?
beq .9 CS, full!
iny
sta (ZPDCBPtr),y new head
ply old head
pla
sta (ZPDCBPtr),y
clc
rts
.9 pla
pla
rts
*--------------------------------------
Char.Out.Get ldy #S.DCB.TTY.OUTTAIL
lda (ZPDCBPtr),y
iny OUTHEAD
cmp (ZPDCBPtr),y
beq .9 CS
tay
lda (ZPDCBPtr),y
pha
tya
inc
cmp #S.DCB.TTY.OUTBUF.MAX
bne .1
lda #S.DCB.TTY.OUTBUF
.1 ldy #S.DCB.TTY.OUTTAIL
sta (ZPDCBPtr),y
pla
clc
.9 rts
*--------------------------------------
TERMX.SETUP.L1X lda ZPDCBPtr
clc
adc BUF.BL,x
sta ZPBufBL1
lda ZPDCBPtr+1
adc BUF.BH,x
sta ZPBufBL1+1
bit bActive
bpl TERMX.SETUP.L1X.8
TERMX.SETUP.L1X.SCR
lda SCR.BL,x
sta ZPScrBL1
lda SCR.BH,x
sta ZPScrBL1+1
TERMX.SETUP.L1X.8
rts
*--------------------------------------
TERMX.CLRSCR.DN ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
tax
bra TERMX.CLRSCR.1
TERMX.CLRSCR.UP ldx #0
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
tay
bra TERMX.CLRSCR.2
TERMX.CLRSCR ldx #0
TERMX.CLRSCR.1 ldy #24
TERMX.CLRSCR.2 sty .1+1
.1 cpx #$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 (ZPBufBL1),y
dey
bpl .5
inx
bra .1
.7 ldy #39
.8 sta (ZPScrBL1),y
dey
bpl .8
.9 rts
*--------------------------------------
TERMX.Title.ON ldy #S.DCB.TTY.bTITLE
lda (ZPDCBPtr),y
bmi TERMX.RTS2
lda #$ff
sta (ZPDCBPtr),y
jsr TERM.GetDevName
ldx #0
jsr TERMX.SETUP.L1X.SCR
ldy #0
.1 jsr SHARED.TXTPTRgn
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.RTS2 rts
TERMX.Title.OFF ldy #S.DCB.TTY.bTITLE
lda (ZPDCBPtr),y
bpl TERMX.RTS2
lda #$0
sta (ZPDCBPtr),y
*--------------------------------------
TERMX.LINE0CPY ldx #0
.HS 2C BIT ABS
TERMX.SCRCPY ldx #23
.1 lda ZPDCBPtr
clc
adc BUF.BL,x
sta .80+1
lda ZPDCBPtr+1
adc BUF.BH,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 (ZPScrBL1),y
dex
dex
dey
bpl .80
rts
*--------------------------------------
TERMX.COPY.XtoL1
lda ZPDCBPtr
clc
adc BUF.BL,x
sta ZPBufBL2
lda ZPDCBPtr+1
adc BUF.BH,x
sta ZPBufBL2+1
ldy #79
.1 lda (ZPBufBL2),y
sta (ZPBufBL1),y
dey
bpl .1
bit bActive
bpl .8
lda SCR.BL,x
sta ZPScrBL2
lda SCR.BH,x
sta ZPScrBL2+1
sta SETPAGE2
jsr .6
sta CLRPAGE2
.6 ldy #39
.7 lda (ZPScrBL2),y
sta (ZPScrBL1),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 (ZPBufBL1),y
bit bActive
bpl SetCharAtYX.8
SetCharAtY.SCR pha
tya
lsr
tay
pla
bcs .2
sta SETPAGE2
sta (ZPScrBL1),y
sta CLRPAGE2
rts
.2 sta (ZPScrBL1),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 (ZPBufBL1),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.M.CSI,#S.DCB.TTY.M.G0,#S.DCB.TTY.M.G1
CsiCodes .AS "hlmnrABCDJKH"
CsiCodes.Cnt .EQ *-CsiCodes
*--------------------------------------
KeyMap .HS 080A0B15 Left,Down,Up,Right
KeyMap.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 #$80 bCURON
.DA #0 bTITLE
.DA #$80 bNORMAL
.DA #$80 bLINEWRAP
.DA #$80 bCRLF
.DA #0 bG0G1
.DA #0 bG0G1ALT
.DA #S.DCB.TTY.OUTBUF OUTTAIL
.DA #S.DCB.TTY.OUTBUF OUTHEAD
.DA #S.DCB.TTY.INBUF 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 5B.41.42.43.44.45.46.47.48.49.20.5e.5a.5a.4e.4f
* p q r s t u v w x y z { | } ~ DEL
.HS 50.5c.52.53.54.55.56.57.5a.59.5a.5b.5c.5d.5e.5f
*--------------------------------------
SCR.BL .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.BH .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.BL .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.BH .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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