A2osX/SYS/KERNEL.S.TERMLC.txt

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NEW
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AUTO 3,1
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*--------------------------------------
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DRV.TERM.CLRSCR.DN
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
tax
bra DRV.TERM.CLRSCR.1
DRV.TERM.CLRSCR.UP
ldx #0
ldy #S.DCB.TTY.CV
sta (ZPDCBPtr),y
tay
bra DRV.TERM.CLRSCR.2
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DRV.TERM.CLRSCR ldx #0
DRV.TERM.CLRSCR.1
ldy #24
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DRV.TERM.CLRSCR.2
sty .1+1
sta SET80STORE
.1 cpx #$ff SELF MODIFIED
beq .9
jsr DRV.TERM.SETUP.L1X
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lda #" "
bit bActive
bpl .4
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sta SETPAGE2
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jsr .7
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sta CLRPAGE2
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jsr .7
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.4 sta SETWRITEAUX
ldy #79
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.5 sta (ZPBufBaseL1),y
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dey
bpl .5
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sta CLRWRITEAUX
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inx
bra .1
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.7 ldy #39
.8 sta (ZPScrBaseL1),y
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dey
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bpl .8
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.9 rts
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*--------------------------------------
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DRV.TERM.LINE0CPY
ldx #0
.HS 2C BIT ABS
DRV.TERM.SCRCPY ldx #23
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sta SET80STORE
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.1 ldy #S.FD.DEV.BUFPTR
lda (pFD),y
clc
adc BUF.BASEL,x
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sta .80+1
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iny
lda (pFD),y
adc BUF.BASEH,x
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sta .80+2
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jsr DRV.TERM.SETUP.L1X.SCR
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phx
sta SETREADAUX
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ldx #78
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sta SETPAGE2
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ldy #39
jsr .8
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ldx #79
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sta CLRPAGE2
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ldy #39
jsr .8
sta CLRREADAUX
plx
dex
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bpl .1
rts
.8 ldy #39
.80 lda $ffff,x SELF MODIFIED
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.81 sta (ZPScrBaseL1),y
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dex
dex
dey
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bpl .80
rts
*--------------------------------------
DRV.TERM.COPY.XtoL1
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ldy #S.FD.DEV.BUFPTR
lda (pFD),y
clc
adc BUF.BASEL,x
sta ZPBufBaseL2
iny
lda (pFD),y
adc BUF.BASEH,x
sta ZPBufBaseL2+1
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ldy #79
sta SETWRITEAUX
sta SETREADAUX
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.1 lda (ZPBufBaseL2),y
sta (ZPBufBaseL1),y
dey
bpl .1
sta CLRWRITEAUX
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sta CLRREADAUX
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bit bActive
bpl .8
lda SCR.BASEL,x
sta ZPScrBaseL2
lda SCR.BASEH,x
sta ZPScrBaseL2+1
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sta SET80STORE
sta SETPAGE2
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jsr .6
sta CLRPAGE2
.6 ldy #39
.7 lda (ZPScrBaseL2),y
sta (ZPScrBaseL1),y
dey
bpl .7
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.8 rts
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*--------------------------------------
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SetCharAtCurPos pha
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ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
tax
dey
lda (ZPDCBPtr),y
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tay
pla
*--------------------------------------
SetCharAtYX cmp #$40
bcc .1
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cmp #$60
bcs .1
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and #$1F remap UPPERCASE
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.1 phy
ldy #S.DCB.TTY.bNORMAL
ora (ZPDCBPtr),y
sta ZPTmpChar
ldy #S.DCB.TTY.bG0G1 Select Active Font
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lda (ZPDCBPtr),y
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bpl .2
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iny
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.2 iny
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lda (ZPDCBPtr),y
bpl .3 not Graphic mode
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lda ZPTmpChar
cmp #$E0 Normal lowercase ?
bcc .3
tay
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lda REMAP.E0.FF-$E0,y
sta ZPTmpChar
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.3 jsr DRV.TERM.SETUP.L1X
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ply
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lda ZPTmpChar
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sta SETWRITEAUX
sta (ZPBufBaseL1),y
sta CLRWRITEAUX
bit bActive
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bpl SetCharAtYX.8
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SetCharAtY.SCR pha
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tya
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lsr
tay
pla
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sta SET80STORE
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bcs .2
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sta SETPAGE2
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.2 sta (ZPScrBaseL1),y
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sta CLRPAGE2
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SetCharAtYX.8 rts
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*--------------------------------------
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GetCharAtCurPos ldy #S.DCB.TTY.CV
lda (ZPDCBPtr),y
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tax
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jsr DRV.TERM.SETUP.L1X
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ldy #S.DCB.TTY.CH
lda (ZPDCBPtr),y
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tay
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sta SETREADAUX
lda (ZPBufBaseL1),y
sta CLRREADAUX
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cmp #$20
bcs .8
* clc
adc #40 remap $00-$1F uppercase
.8 rts
*--------------------------------------
DRV.TERM.SETUP.L1X
ldy #S.FD.DEV.BUFPTR
lda (pFD),y
clc
adc BUF.BASEL,x
sta ZPBufBaseL1
iny
lda (pFD),y
adc BUF.BASEH,x
sta ZPBufBaseL1+1
bit bActive
bpl DRV.TERM.SETUP.L1X.8
DRV.TERM.SETUP.L1X.SCR
lda SCR.BASEL,x
sta ZPScrBaseL1
lda SCR.BASEH,x
sta ZPScrBaseL1+1
DRV.TERM.SETUP.L1X.8
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rts
*--------------------------------------
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* ` 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
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*--------------------------------------
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BUF.BASEL .DA #0
.DA #80
.DA #160
.DA #240
.DA #320
.DA #400
.DA #480
.DA #560
.DA #640
.DA #720
.DA #800
.DA #880
.DA #960
.DA #1040
.DA #1120
.DA #1200
.DA #1280
.DA #1360
.DA #1440
.DA #1520
.DA #1600
.DA #1680
.DA #1760
.DA #1840
BUF.BASEH .DA /0
.DA /80
.DA /160
.DA /240
.DA /320
.DA /400
.DA /480
.DA /560
.DA /640
.DA /720
.DA /800
.DA /880
.DA /960
.DA /1040
.DA /1120
.DA /1200
.DA /1280
.DA /1360
.DA /1440
.DA /1520
.DA /1600
.DA /1680
.DA /1760
.DA /1840
*--------------------------------------
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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
*--------------------------------------
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MAN
SAVE USR/SRC/SYS/KERNEL.S.TERMLC
LOAD USR/SRC/SYS/KERNEL.S
ASM