A2osX/DRV/CONSOLE.DRV.S.txt

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PR#3
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PREFIX /A2OSX.SRC
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NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
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.TF /A2OSX.BOOT/DRV/CONSOLE.DRV
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*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/IO.I
*--------------------------------------
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CURSOR.BLINK.SPEED .EQ 8
ESCSEQ.MAXLEN .EQ 16
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*--------------------------------------
ZPBaseL1 .EQ ZPDRV
ZPBaseL2 .EQ ZPDRV+2
ZPTmpByte .EQ ZPDRV+4
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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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
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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L.MSG.DETECT .DA MSG.DETECT
.DA 0 End Of Reloc Table
*--------------------------------------
Dev.Detect >LDYA L.MSG.DETECT
>SYSCALL SYS.PSTROutYA
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lda A2osX.SCREENS
ora #A2osX.SCREENS.C
sta A2osX.SCREENS
clc
rts
CS.END
MSG.DETECT >PSTRING "Apple IIe/IIc 80 Col Driver.\n"
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*--------------------------------------
* 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
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.DA GETEVENT
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.DA COUT
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.DA CLOSE
.DA GETINFO
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.DA IRQ
L.DEVINFO .DA DEVINFO
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*--------------------------------------
J.CtrlChars .DA BS 8
.DA LF 10
.DA HOME 12
.DA CROUT 13
.DA ESC 27
*--------------------------------------
J.EscCodes .DA Scroll.Dn D
.DA Scroll.Up M
.DA RESET c
*--------------------------------------
J.EscSequences .DA Esc.DispAttr m
.DA Esc.Query n
.DA Esc.Scroll r
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.DA Esc.Erase K
.DA Esc.Home H
.DA 0 end of relocation
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*--------------------------------------
OPEN stz CURON
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stz bEscMode
stz bEscModeCSI
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stz OutPtr
stz OutCnt
jsr RESET
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jsr HOME
lda #A2osX.SCREENS.C
>SYSCALL SYS.ScreenSelectA
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clc
rts
*--------------------------------------
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GETEVENT lda A2osX.TIMER16
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and #CURSOR.BLINK.SPEED
eor CURON
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beq .1
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jsr CURBLNK
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.1 jsr Char.Out.Get
bcc .7
lda A2osX.ASCREEN
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and #A2osX.SCREENS.C is screen active?
beq .9
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>SYSCALL SYS.GetKeyboardEvent
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bcs .9
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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
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tay
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.4 lda KeyRemappedTbl,y
beq .6
jsr Char.Out
iny
bra .4
.6 jsr Char.Out.Get
.7 ldy #S.EVT.DATALO
sta (pEvent),y
iny
lda #0
sta (pEvent),y
lda #S.EVT.F.KEY
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sta (pEvent)
.8 clc
rts
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.9 lda #0 Error = no event
sec
rts
*--------------------------------------
COUT bit bEscMode
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bmi COUT.EscMode
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pha
jsr CUROFF
pla
cmp #32
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bcc COUT.Ctrl
ora INVFLG
ldx CH
ldy CV
jsr SetCharAtXY
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jmp FSOUT
*--------------------------------------
COUT.Ctrl ldy #0
ldx #0
.2 iny
cmp CtrlChars,y
beq .3
inx
inx
cpy CtrlChars
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bne .2
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clc
rts
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.3 jmp (J.CtrlChars,x)
*--------------------------------------
COUT.EscMode bit bEscModeCSI
bmi COUT.EscModeCSI
cmp #'['
bne .1
dec bEscModeCSI
stz EscSeq
clc
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rts
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.1 stz bEscMode
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ldy #0
ldx #0
.2 iny
cmp EscCodes,y
beq .3
inx
inx
cpy EscCodes
bne .2
clc
rts
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.3 jmp (J.EscCodes,x)
*--------------------------------------
COUT.EscModeCSI inc EscSeq
ldx EscSeq
sta EscSeq,x
cmp #64 End of Seq ?
bcs COUT.ExecEscSeq
cpx #ESCSEQ.MAXLEN too long?
bne .1
stz bEscModeCSI
stz bEscMode
.1 clc
rts
COUT.ExecEscSeq stz EscSeqParamCnt
stz bEscSeqInNum
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ldx #0 EscSeq Ptr
.10 stz EscSeqParamTmp
stz EscSeqParamTmp+1
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.1 inx
lda EscSeq,x
jsr IsDigit
bcs .2
dec bEscSeqInNum
and #$0F
pha
lda EscSeqParamTmp
ldy EscSeqParamTmp+1
asl EscSeqParamTmp param=param*10
rol EscSeqParamTmp+1
asl EscSeqParamTmp
rol EscSeqParamTmp+1
clc
adc EscSeqParamTmp
sta EscSeqParamTmp
tya
adc EscSeqParamTmp+1
sta EscSeqParamTmp+1
asl EscSeqParamTmp
rol EscSeqParamTmp+1
pla
clc
adc EscSeqParamTmp
sta EscSeqParamTmp
bcc .1
inc EscSeqParamTmp+1
bra .1
.2 bit bEscSeqInNum
bpl .3
stz bEscSeqInNum
lda #255
ldy EscSeqParamTmp+1
bne .21
lda EscSeqParamTmp
.21 ldy EscSeqParamCnt
sta EscSeqParam,y
inc EscSeqParamCnt
.3 lda EscSeq,x
cmp #';'
beq .10
stz bEscModeCSI
stz bEscMode
ldy #0
ldx #0
.4 iny
cmp EscSeqCmds,y
beq .5
inx
inx
cpy EscSeqCmds
bne .4
clc
rts
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.5 jmp (J.EscSequences,x)
*--------------------------------------
CLOSE
* lda A2osX.SCREENS
* and #$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
clc
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rts
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*--------------------------------------
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ESC lda #$80
sta bEscMode
clc
rts
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*--------------------------------------
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BS ldx CH
beq .1
dec CH
bra .3
.1 ldy CV
bne .2
clc
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rts
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.2 lda #79
sta CH
dec CV
.3 lda #$20
ora INVFLG
ldx CH
ldy CV
jmp SetCharAtXY
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*--------------------------------------
HOME stz CH
stz CV
ldx #23
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.1 lda BASEL,x
sta ZPBaseL1
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lda BASEH,x
sta ZPBaseL1+1
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lda #' '
ora INVFLG
sta SETWRITEAUX
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ldy #39
.2 sta (ZPBaseL1),y
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dey
bpl .2
sta CLRWRITEAUX
ldy #39
.3 sta (ZPBaseL1),y
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dey
bpl .3
dex
bpl .1
clc
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rts
*--------------------------------------
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FSOUT ldx CH
cpx #79
beq CROUT1
inc CH
clc
rts
*--------------------------------------
CROUT jsr CLREOL
stz CH
clc
rts
CROUT1 stz CH
LF ldy CV
cpy #23
beq SCROLL.UP
inc CV
clc
rts
*--------------------------------------
SCROLL.UP ldx SCROLLTOP
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.1 lda BASEL,x
sta ZPBaseL1
lda BASEH,x
sta ZPBaseL1+1
inx
lda BASEL,x
sta ZPBaseL2
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lda BASEH,x
sta ZPBaseL2+1
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ldy #39
sta SETWRITEAUX
sta SETREADAUX
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.2 lda (ZPBaseL2),y
sta (ZPBaseL1),y
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dey
bpl .2
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ldy #39
sta CLRWRITEAUX
sta CLRREADAUX
.3 lda (ZPBaseL2),y
sta (ZPBaseL1),y
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dey
bpl .3
cpx SCROLLBOT
bne .1
*--------------------------------------
CLREOL ldx CH
ldy #80
bra CLR
CLRLINE ldx #0
ldy #80
bra CLR
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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
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*--------------------------------------
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SCROLL.DN ldx SCROLLBOT
.1 lda BASEL,x
sta ZPBaseL1
lda BASEH,x
sta ZPBaseL1+1
dex
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 SCROLLTOP
bne .1
clc
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.Query ldx EscSeqParamCnt
beq .8
dex
bne .8
lda EscSeqParam
cmp #6
bne .8
lda #$1B
jsr Char.Out
lda #$5B
jsr Char.Out
lda CV
inc
jsr Decimal.Out
lda #';'
jsr Char.Out
lda CH
inc
jsr Decimal.Out
lda #'R'
jsr Char.Out
.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.Erase 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 ldx #1
lda EscSeqParam
beq .2
ldx #24
cmp #24
bcs .2
tax
.2 dex
stx CV
dec EscSeqParamCnt
beq .8
ldx #1
lda EscSeqParam+1
beq .3
ldx #80
cmp #80
bcs .3
tax
.3 dex
stx CH
.8 clc
rts
*--------------------------------------
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CUROFF lda CURON
beq CUREXIT.RTS
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CURBLNK lda A2osX.ASCREEN
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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
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ldx CH
ldy CV
eor #" "
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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
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txa
lsr
bcs .1
sta SETWRITEAUX
.1 clc
adc BASEL,y
sta ZPBaseL1
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lda BASEH,y
sta ZPBaseL1+1
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pla
sta (ZPBaseL1)
sta CLRWRITEAUX
rts
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*--------------------------------------
GetCharAtXY txa
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lsr
bcs .1
sta SETREADAUX
.1 clc
adc BASEL,y
sta ZPBaseL1
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lda BASEH,y
sta ZPBaseL1+1
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lda (ZPBaseL1)
sta CLRREADAUX
rts
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*--------------------------------------
IsDigit cmp #'0'
bcc .9
cmp #'9'+1
rts cc if ok, cs if not
.9 sec
rts
*--------------------------------------
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Decimal.Out stz DecimalBuffer
stz DecimalBuffer+1
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ldx #8
sed
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tay
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.1 tya
asl
tay
lda DecimalBuffer
adc DecimalBuffer
sta DecimalBuffer
lda DecimalBuffer+1
adc DecimalBuffer+1
sta DecimalBuffer+1
dex
bne .1
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cld
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stz bDecimal0Out
lda DecimalBuffer+1
and #$0f
beq .2
ora #$30
dec bDecimal0Out
jsr Char.Out
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.2 lda DecimalBuffer
lsr
lsr
lsr
lsr
bne .3
bit bDecimal0Out
bpl .4
.3 ora #$30
jsr Char.Out
.4 lda DecimalBuffer
and #$0f
ora #$30
*--------------------------------------
Char.Out pha
lda OutPtr
clc
adc OutCnt
and #$0f
tax
pla
sta OutBuffer,x
inc OutCnt
rts
*--------------------------------------
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Char.Out.Get sec
lda OutCnt
beq .9
dec OutCnt
ldx OutPtr
lda OutBuffer,x
pha
txa
inc
and #$0f
sta OutPtr
pla
clc
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.9 rts
*--------------------------------------
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DRV.CS.END
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EscCodes >PSTRING "DMc"
EscSeqCmds >PSTRING "mnrKH"
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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
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CH .BS 1
CV .BS 1
INVFLG .BS 1
SCROLLTOP .BS 1
SCROLLBOT .BS 1
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CURON .BS 1
CURCHAR .BS 1
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OutBuffer .BS 16
OutPtr .BS 1
OutCnt .BS 1
DecimalBuffer .BS 2
bDecimal0Out .BS 1
*--------------------------------------
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KeyRemapped .HS 05080A0B0D15 L,D,U,CR,R
KeyRemappedIdx .HS 050004080C0F
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KeyRemappedTbl .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
*--------------------------------------
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CtrlChars .HS 05080A0C0D1B
bEscMode .BS 1
bEscModeCSI .BS 1
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bEscSeqInNum .BS 1
EscSeq .BS ESCSEQ.MAXLEN+1
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EscSeqParamTmp .BS 2
EscSeqParamCnt .BS 1
EscSeqParam .BS 4
*--------------------------------------
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DEVINFO .DA #S.DEVINFO.TYPE.CHAR
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*--------------------------------------
MAN
SAVE DRV/CONSOLE.DRV.S
ASM