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A2osX/DRV/CONSOLE.DRV.S.txt
Rémy GIBERT eccd903539 Post #5:better support for CR/LF & ANSI esc seq
2015-12-12 11:13:14 +01:00

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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 0508090A0D15 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
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