A2osX/BIN/NSCUTIL.S.txt

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NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
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.LIST OFF
.OP 65C02
.OR $2000
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.TF BIN/NSCUTIL
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*--------------------------------------
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.INB INC/MACROS.I
.INB INC/A2OSX.I
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.INB INC/MLI.E.I
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*--------------------------------------
ZPPtr1 .EQ ZPBIN
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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
.DA CS.END-CS.START
.DA 0
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.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.READ.OK4 .DA MSG.READ.OK4
L.MSG.USAGE .DA MSG.USAGE
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.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN ldy #S.PS.ARGC
lda (pPs),y
bne CS.RUN.SET
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CS.RUN.READ jsr NSC.Init
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jsr NSC.Read
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ldx #7
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.1 lda DS1216E.DETECT,x
eor DS1216E.DATA,x
bne .8
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dex
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bpl .1
>LDYA L.MSG.READ.KO
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>SYSCALL printf
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lda #MLI.E.NODEV
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sec
rts
.8 jsr NSC.Dump
>LDYA L.MSG.USAGE
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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 GetArg
>STYA ZPPtr1
lda (ZPPtr1)
cmp #17
bne .9
ldy #1
stz DS1216E.DATA+7
jsr GetBCD
bcs .9
sta DS1216E.DATA+2
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lda (ZPPtr1),y
cmp #'/'
bne .9
iny
jsr GetBCD
bcs .9
sta DS1216E.DATA+1
lda (ZPPtr1),y
cmp #'/'
bne .9
iny
jsr GetBCD
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bcs .9
sta DS1216E.DATA
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lda (ZPPtr1),y
cmp #' '
bne .9
iny
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jsr GetBCD
bcs .9
sta DS1216E.DATA+4
lda (ZPPtr1),y
cmp #':'
bne .9
iny
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jsr GetBCD
bcs .9
sta DS1216E.DATA+5
lda (ZPPtr1),y
cmp #':'
bne .9
iny
jsr GetBCD
bcs .9
sta DS1216E.DATA+6
stz DS1216E.DATA+7
jsr NSC.Write
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 #K.E.SYN
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sec
rts
*--------------------------------------
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 $CFFF
pha
ldx #7
.1 ldy #8
.2 lda $C304
lsr
ror DS1216E.DETECT,x
dey
bne .2
dex
bpl .1
pla
bmi .99
sta $CFFF
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.99 plp
rts
*--------------------------------------
NSC.Select sta $C300
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lda $C304 Reset DS1216E comparison register with READ A2=1
ldx #7 Read 8 bytes...
.3 lda DS1216E.PATTERN,x
phx
ldx #8 ....of 8 bits
.4 ldy #0
lsr
bcc .5
iny
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.5 pha
lda $C300,y Write Pattern bit in A0, with A2=0
pla
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dex
bne .4
plx
dex
bpl .3
rts
*--------------------------------------
NSC.Read php
sei
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lda $CFFF
pha
jsr NSC.Select
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ldx #7
.1 ldy #8
.2 lda $C304
lsr
ror DS1216E.DATA,x
dey
bne .2
dex
bpl .1
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pla
bmi .99
sta $CFFF
.99 plp
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rts
*--------------------------------------
NSC.Write php
sei
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lda $CFFF
pha
jsr NSC.Select
ldx #7
.3 lda DS1216E.DATA,x
phx
ldx #8 ....of 8 bits
.4 ldy #0
lsr
bcc .5
iny
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.5 pha
lda $C300,y Write Pattern bit in A0, with A2=0
pla
dex
bne .4
plx
dex
bpl .3
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pla
bmi .99
sta $CFFF
.99 plp
rts
*--------------------------------------
NSC.Dump ldx #1
ldy #1
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lda DS1216E.DATA+3
bit #%00010000
beq .1
dex
.1 bit #%00100000
beq .2
dey
.2 txa
>PUSHA
tya
>PUSHA
>LDYA L.MSG.READ.OK1
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>SYSCALL printf
>LDYA L.MSG.READ.OK2.24
bit DS1216E.DATA+4
bpl .3
>LDYA L.MSG.READ.OK2.12
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.3 >SYSCALL printf
>LDYA L.MSG.READ.OK3
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>SYSCALL printf
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lda DS1216E.DATA+2
jsr PrintBCD
lda #'/'
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>SYSCALL PutChar
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lda DS1216E.DATA+1
jsr PrintBCD
lda #'/'
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>SYSCALL PutChar
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lda DS1216E.DATA
jsr PrintBCD
>LDYA L.MSG.READ.OK4
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>SYSCALL printf
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lda DS1216E.DATA+4
bpl .4
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and #$1F
.4 and #$3F
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jsr PrintBCD
lda #':'
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>SYSCALL PutChar
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lda DS1216E.DATA+5
jsr PrintBCD
lda #':'
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>SYSCALL PutChar
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lda DS1216E.DATA+6
jsr PrintBCD
lda #'.'
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>SYSCALL PutChar
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lda DS1216E.DATA+7
jsr PrintBCD
rts
*--------------------------------------
PrintBCD pha
lsr
lsr
lsr
lsr
ora #$30
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>SYSCALL PutChar
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bcs .9
pla
and #$0f
ora #$30
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>SYSCALL PutChar
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.9 rts
*--------------------------------------
GetBCD lda (ZPPtr1),y
iny
jsr IsDigit
bcs .9
asl
asl
asl
asl
sta TmpByte
lda (ZPPtr1),y
iny
jsr IsDigit
bcs .9
and #$0f
ora TmpByte
.9 rts
*--------------------------------------
IsDigit cmp #'0'
bcc .9
cmp #'9'+1
and #$0f
rts cc if ok, cs if not
.9 sec
rts
*--------------------------------------
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CS.END
MSG.READ.KO .AZ "DS1216E Not Detected.\r\n"
MSG.READ.OK1 .AZ "DS1216E Detected:/OSC=%d,/RST=%d,mode="
MSG.READ.OK2.12 .AZ "am/pm"
MSG.READ.OK2.24 .AZ "24h"
MSG.READ.OK3 .AZ "\r\nDate:"
MSG.READ.OK4 .AZ "\r\nTime:"
MSG.USAGE .AZ "\r\n\r\nTo Reset the chip and set clock, type:\r\nNSCUTIL DD/MM/YY hh:mm:ss\r\n"
TmpByte .BS 1
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DS1216E.PATTERN .HS 5CA33AC55CA33AC5 Reverted 7->0
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DS1216E.DETECT .BS 8
DS1216E.DATA .BS 8 Reverted YY MM DD Day HH mm SS CS
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*--------------------------------------
DS.START
DS.END
*--------------------------------------
MAN
SAVE /A2OSX.SRC/BIN/NSCUTIL.S
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ASM