A2osX/BIN/NSCUTIL.S.txt

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NEW
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AUTO 3,1
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.LIST OFF
.OP 65C02
.OR $2000
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.TF bin/nscutil
*--------------------------------------
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NSC.IOBASE .EQ $C300
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*--------------------------------------
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.INB inc/macros.i
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.INB inc/io.i
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.INB inc/a2osx.i
.INB inc/mli.e.i
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*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
DS121x.DATA0 .BS 8
DS121x.DATA1 .BS 8 Reverted YY MM DD Day HH mm SS CS
ZPPtr1 .BS 2
TmpByte .BS 1
ZS.END .ED
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*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #0 S.PS.F.EVENT
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.DA #0
.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data Segment Size
.DA #16 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
L.MSG.READ.KO .DA MSG.READ.KO
L.MSG.READ.OK1 .DA MSG.READ.OK1
L.MSG.READ.OK2.12 .DA MSG.READ.OK2.12
L.MSG.READ.OK2.24 .DA MSG.READ.OK2.24
L.MSG.READ.OK3 .DA MSG.READ.OK3
L.MSG.USAGE .DA MSG.USAGE
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L.MSG.CRLF .DA MSG.CRLF
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.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN ldy #S.PS.ARGC
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lda (pPS),y
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cmp #1
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bcs CS.RUN.SET
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CS.RUN.READ jsr NSC.Init
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jsr NSC.Read
ldx #7
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.1 lda DS121x.DATA0,x
eor DS121x.DATA1,x
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bne .8
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dex
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bpl .1
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>PUSHW L.MSG.READ.KO
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>PUSHBI 0
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>SYSCALL PrintF
lda #MLI.E.NODEV
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sec
rts
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.8 jsr NSC.Dump
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>PUSHW L.MSG.USAGE
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>PUSHBI 0
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>SYSCALL PrintF
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lda #0 tell TSKMGR that all done ok, but
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sec we do not want to stay in memory
rts
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CS.RUN.SET lda #1
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>SYSCALL ArgV
>STYA ZPPtr1
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>SYSCALL StrLen
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cpy #17
bne .9
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ldy #0
stz DS121x.DATA1+7
jsr GetBCD
bcs .9
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sta DS121x.DATA1
lda (ZPPtr1),y
cmp #'/'
bne .9
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iny
jsr GetBCD
bcs .9
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sta DS121x.DATA1+1
lda (ZPPtr1),y
cmp #'/'
bne .9
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iny
jsr GetBCD
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bcs .9
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sta DS121x.DATA1+2
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lda (ZPPtr1),y
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cmp #','
bne .9
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iny
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jsr GetBCD
bcs .9
sta DS121x.DATA1+4
lda (ZPPtr1),y
cmp #':'
bne .9
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iny
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jsr GetBCD
bcs .9
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sta DS121x.DATA1+5
lda (ZPPtr1),y
cmp #':'
bne .9
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iny
jsr GetBCD
bcs .9
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sta DS121x.DATA1+6
stz DS121x.DATA1+7
jsr NSC.Write
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lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
rts
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.9 lda #E.SYN
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sec
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rts
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*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT clc
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rts
*--------------------------------------
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NSC.Init php
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sei
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lda RDCXROM
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php
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sta SETCXROM
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ldx #8
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.1 ldy #8
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.2 lda NSC.IOBASE+4
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lsr
ror DS121x.DATA0-1,x
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dey
bne .2
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dex
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bne .1
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plp
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bmi .8
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sta CLRCXROM
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.8 plp
rts
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*--------------------------------------
NSC.Read php
sei
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lda RDCXROM
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php
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sta SETCXROM
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jsr NSC.Select
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ldx #8 Read 8 bytes...
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.1 ldy #8
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.2 lda NSC.IOBASE+4
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lsr
ror DS121x.DATA1-1,x
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dey
bne .2
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dex
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bne .1
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plp
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bmi .8
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sta CLRCXROM
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.8 plp
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rts
*--------------------------------------
NSC.Write php
sei
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lda RDCXROM
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php
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sta SETCXROM
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jsr NSC.Select
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ldx #8 Write 8 bytes...
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.3 lda DS121x.DATA1-1,x
phx
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ldx #8 ....of 8 bits
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.4 ldy #0
lsr
bcc .5
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iny
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.5 pha
lda NSC.IOBASE,y Write Pattern bit in A0, with A2=0
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pla
dex
bne .4
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plx
dex
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bne .3
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plp
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bmi .8
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sta CLRCXROM
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.8 plp
rts
*--------------------------------------
NSC.Select sta NSC.IOBASE
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* lda $C00B Workaround for Ultrawarp bug
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lda NSC.IOBASE+4 Reset DS1216E comparison register with READ A2=1
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ldy #8 Read 8 bytes...
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.3 lda DS121x.SIG-1,y
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phy
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ldy #8 ....of 8 bits
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.4 ldx #0
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lsr
bcc .5
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inx
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.5 bit NSC.IOBASE,x Write Pattern bit in A0, with A2=0
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dey
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bne .4
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ply
dey
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bne .3
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rts
*--------------------------------------
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NSC.Dump >PUSHW L.MSG.READ.OK1
ldx #1
ldy #1
lda DS121x.DATA1+3
bit #%00010000
beq .1
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dex
.1 bit #%00100000
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beq .2
dey
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.2 tya
>PUSHA
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txa
>PUSHA
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>PUSHBI 2
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>SYSCALL PrintF
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>LDYA L.MSG.READ.OK2.24
bit DS121x.DATA1+4
bpl .3
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>LDYA L.MSG.READ.OK2.12
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.3 >SYSCALL PutS
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>PUSHW L.MSG.READ.OK3
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>PUSHBI 0
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>SYSCALL PrintF
lda DS121x.DATA1
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jsr PrintBCD
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lda #'/'
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>SYSCALL PutChar
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lda DS121x.DATA1+1
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jsr PrintBCD
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lda #'/'
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>SYSCALL PutChar
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lda DS121x.DATA1+2
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jsr PrintBCD
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lda #','
>SYSCALL PutChar
lda DS121x.DATA1+4
bpl .4
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and #$1F
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.4 and #$3F
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jsr PrintBCD
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lda #':'
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>SYSCALL PutChar
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lda DS121x.DATA1+5
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jsr PrintBCD
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lda #':'
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>SYSCALL PutChar
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lda DS121x.DATA1+6
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jsr PrintBCD
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lda #'.'
>SYSCALL PutChar
lda DS121x.DATA1+7
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jsr PrintBCD
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>PUSHW L.MSG.CRLF
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>PUSHBI 0
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>SYSCALL PrintF
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rts
*--------------------------------------
PrintBCD pha
lsr
lsr
lsr
lsr
ora #$30
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>SYSCALL PutChar
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pla
and #$0f
ora #$30
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>SYSCALL PutChar
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rts
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*--------------------------------------
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GetBCD lda (ZPPtr1),y
iny
jsr IsDigit
bcs .9
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asl
asl
asl
asl
sta TmpByte
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lda (ZPPtr1),y
iny
jsr IsDigit
bcs .9
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and #$0f
ora TmpByte
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.9 rts
*--------------------------------------
IsDigit cmp #'0'
bcc .9
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cmp #'9'+1
and #$0f
rts cc if ok, cs if not
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.9 sec
rts
*--------------------------------------
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CS.END
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MSG.READ.KO .CZ "DS1216E Not Detected.\r\n"
MSG.READ.OK1 .CZ "DS1216E Detected : /OSC=%d, /RST=%d, mode="
MSG.READ.OK2.12 .CZ "am/pm"
MSG.READ.OK2.24 .CZ "24h"
MSG.READ.OK3 .CZ "\r\nCurrent Date/Time : "
MSG.USAGE .CS "\r\nTo Reset the chip and set clock, type:\r\nNSCUTIL YY/MM/DD,hh:mm:ss"
MSG.CRLF .CZ "\r\n"
DS121x.SIG .HS 5CA33AC55CA33AC5 Reverted 7->0
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*--------------------------------------
DS.START
DS.END
*--------------------------------------
MAN
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SAVE usr/src/bin/nscutil.s
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ASM