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6959200abf
A2osX/BIN/NSCUTIL.S.txt
Rémy GIBERT 6959200abf Kernel 0.94++
2021-05-30 22:34:03 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/nscutil
*--------------------------------------
.INB inc/macros.i
.INB inc/io.i
.INB inc/a2osx.i
.INB inc/mli.e.i
*--------------------------------------
ZPPtr1 .EQ ZPBIN
*--------------------------------------
* 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 #0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #16 SS
.DA #2 ZP
.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.USAGE .DA MSG.USAGE
L.MSG.CRLF .DA MSG.CRLF
.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN ldy #S.PS.ARGC
lda (pPS),y
cmp #1
bcs CS.RUN.SET
CS.RUN.READ jsr NSC.Init
jsr NSC.Read
ldx #7
.1 lda DS1216E.DETECT,x
eor DS1216E.DATA,x
bne .8
dex
bpl .1
>PUSHW L.MSG.READ.KO
>PUSHBI 0
>SYSCALL PrintF
lda #MLI.E.NODEV
sec
rts
.8 jsr NSC.Dump
>PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
rts
CS.RUN.SET lda #1
>SYSCALL ArgV
>STYA ZPPtr1
>SYSCALL StrLen
cpy #17
bne .9
ldy #0
stz DS1216E.DATA+7
jsr GetBCD
bcs .9
sta DS1216E.DATA
lda (ZPPtr1),y
cmp #'/'
bne .9
iny
jsr GetBCD
bcs .9
sta DS1216E.DATA+1
lda (ZPPtr1),y
cmp #'/'
bne .9
iny
jsr GetBCD
bcs .9
sta DS1216E.DATA+2
lda (ZPPtr1),y
cmp #','
bne .9
iny
jsr GetBCD
bcs .9
sta DS1216E.DATA+4
lda (ZPPtr1),y
cmp #':'
bne .9
iny
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
.9 lda #E.SYN
sec
rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT clc
rts
*--------------------------------------
NSC.Init lda RDC3ROM
php
sei
* sta CLRC8ROM Make cards release $C8xx space
sta SETC3ROM
ldx #7
.1 ldy #8
.2 lda $C304
lsr
ror DS1216E.DETECT,x
dey
bne .2
dex
bpl .1
plp
bmi .8
sta CLRC3ROM
.8 rts
*--------------------------------------
NSC.Read php
sei
lda RDC3ROM
php
* sta CLRC8ROM Make cards release $C8xx space
sta SETC3ROM
jsr NSC.Select
ldx #7
.1 ldy #8
.2 lda $C304
lsr
ror DS1216E.DATA,x
dey
bne .2
dex
bpl .1
plp
bmi .8
sta CLRC3ROM
.8 plp
rts
*--------------------------------------
NSC.Write php
sei
lda RDC3ROM
php
* sta CLRC8ROM Make cards release $C8xx space
sta SETC3ROM
jsr NSC.Select
ldx #7
.3 lda DS1216E.DATA,x
phx
ldx #8 ....of 8 bits
.4 ldy #0
lsr
bcc .5
iny
.5 pha
lda $C300,y Write Pattern bit in A0, with A2=0
pla
dex
bne .4
plx
dex
bpl .3
plp
bmi .8
sta CLRC3ROM
.8 plp
rts
*--------------------------------------
NSC.Select sta $C300
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
.5 pha
lda $C300,y Write Pattern bit in A0, with A2=0
pla
dex
bne .4
plx
dex
bpl .3
rts
*--------------------------------------
NSC.Dump >PUSHW L.MSG.READ.OK1
ldx #1
ldy #1
lda DS1216E.DATA+3
bit #%00010000
beq .1
dex
.1 bit #%00100000
beq .2
dey
.2 tya
>PUSHA
txa
>PUSHA
>PUSHBI 2
>SYSCALL PrintF
>LDYA L.MSG.READ.OK2.24
bit DS1216E.DATA+4
bpl .3
>LDYA L.MSG.READ.OK2.12
.3 >SYSCALL PutS
>PUSHW L.MSG.READ.OK3
>PUSHBI 0
>SYSCALL PrintF
lda DS1216E.DATA
jsr PrintBCD
lda #'/'
>SYSCALL PutChar
lda DS1216E.DATA+1
jsr PrintBCD
lda #'/'
>SYSCALL PutChar
lda DS1216E.DATA+2
jsr PrintBCD
lda #','
>SYSCALL PutChar
lda DS1216E.DATA+4
bpl .4
and #$1F
.4 and #$3F
jsr PrintBCD
lda #':'
>SYSCALL PutChar
lda DS1216E.DATA+5
jsr PrintBCD
lda #':'
>SYSCALL PutChar
lda DS1216E.DATA+6
jsr PrintBCD
lda #'.'
>SYSCALL PutChar
lda DS1216E.DATA+7
jsr PrintBCD
>PUSHW L.MSG.CRLF
>PUSHBI 0
>SYSCALL PrintF
rts
*--------------------------------------
PrintBCD pha
lsr
lsr
lsr
lsr
ora #$30
>SYSCALL PutChar
pla
and #$0f
ora #$30
>SYSCALL PutChar
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
*--------------------------------------
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\nCurrent Date/Time : "
MSG.USAGE .AS "\r\nTo Reset the chip and set clock, type:\r\nNSCUTIL YY/MM/DD,hh:mm:ss"
MSG.CRLF .AZ "\r\n"
DS1216E.PATTERN .HS 5CA33AC55CA33AC5 Reverted 7->0
DS1216E.DETECT .BS 8
DS1216E.DATA .BS 8 Reverted YY MM DD Day HH mm SS CS
TmpByte .BS 1
*--------------------------------------
DS.START
DS.END
*--------------------------------------
MAN
SAVE usr/src/bin/nscutil.s
ASM
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