A2osX/BIN/DNSINFO.S.txt

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PREFIX /A2OSX.BUILD
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
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.TF BIN/DNSINFO
*--------------------------------------
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.INB INC/MACROS.I
.INB INC/A2OSX.I
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.INB INC/ETH.I
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.INB INC/LIBTCPIP.I
*--------------------------------------
ZPPTR1 .EQ ZPBIN
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ZPPTR2 .EQ ZPBIN+2
*--------------------------------------
* 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 Code Length To Relocate
.DA 0 No Data Segment to Allocate
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.DA #16 SS
.DA #4 ZP
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.EVENT
.DA CS.QUIT
L.LIBTCPIP .DA LIBTCPIP
L.SSCANF.IP .DA SSCANF.IP
L.MSG0 .DA MSG0
L.MSG1 .DA MSG1
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L.MSG.USAGE .DA MSG.USAGE
.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBTCPIP
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>SYSCALL LoadLib
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bcs .9
sta hLIBTCPIP
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.9 rts
*--------------------------------------
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CS.RUN ldy #S.PS.ARGC
lda (pPs),y
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cmp #1
bne .1
jmp CS.RUN.DUMP
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.1 cmp #3
beq CS.RUN.ADD
>PUSHBI 0
>LDYA L.MSG.USAGE
>SYSCALL printf
lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.ADD >PUSHEA.G DST.IP+3
>PUSHEA.G DST.IP+2
>PUSHEA.G DST.IP+1
>PUSHEA.G DST.IP
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>PUSHBI 8 4 PTRs
>PUSHW L.SSCANF.IP
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lda #2
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>SYSCALL ArgV
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>SYSCALL sscanf
bcs .9
>PUSHEA.G DST.IP
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lda #1
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>SYSCALL ArgV
>PUSHYA
>LIBCALL hLIBTCPIP,LIBTCPIP.DNS.ADD
bcs .99
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
sec
.99 rts
*--------------------------------------
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CS.RUN.DUMP >LIBCALL hLIBTCPIP,LIBTCPIP.DNS.GetCache
>STYA ZPPTR1
>LDYA L.MSG0
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>SYSCALL puts
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lda #K.DNSCACHE.SIZE
>STA.G EntryCount
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.1 lda (ZPPTR1)
beq .2
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ldy #S.DNSCACHE.TTL+4
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.6 dey
lda (ZPPTR1),y
>PUSHA
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cpy #S.DNSCACHE.TTL
bne .6
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ldy #S.DNSCACHE.IP+4
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.5 dey
lda (ZPPTR1),y
>PUSHA
cpy #S.DNSCACHE.IP
bne .5
ldy #S.DNSCACHE.hNAME
lda (ZPPTR1),y
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>SYSCALL GetMemPtr
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>PUSHYA
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ldy #S.DNSCACHE.ID
>PUSHB (ZPPTR1),y
iny
>PUSHB (ZPPTR1),y
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>PUSHB (ZPPTR1) Entry Status
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>PUSHBI 13
>LDYA L.MSG1
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>SYSCALL printf
.2 lda ZPPTR1
clc
adc #S.DNSCACHE
sta ZPPTR1
bcc .3
inc ZPPTR1+1
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.3 >DEC.G EntryCount
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bne .1
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.8 lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
rts
*--------------------------------------
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CS.EVENT sec
rts
*--------------------------------------
CS.QUIT lda hLIBTCPIP
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beq .8
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>SYSCALL UnloadLib
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.8 clc
rts
*--------------------------------------
CS.END
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LIBTCPIP .AZ "libtcpip"
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hLIBTCPIP .BS 1
SSCANF.IP .AZ "%d.%d.%d.%d"
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MSG0 .AZ "STS TR.ID Hostname IP Address TTL"
MSG1 .AZ "$%h $%H %32s %03d.%03d.%03d.%03d %u\r\n"
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MSG.USAGE .AS "Usage : Add a static entry, DNSINFO <host> <IP>\r\n"
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.AZ " Dump DNS Cache, DNSINFO\r\n"
*--------------------------------------
DS.START
DST.IP .BS 4
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EntryCount .BS 1
DS.END
*--------------------------------------
MAN
SAVE /A2OSX.SRC/BIN/DNSINFO.S
ASM