mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-03 12:06:05 +00:00
524 lines
10 KiB
Plaintext
524 lines
10 KiB
Plaintext
NEW
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PREFIX
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AUTO 4,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF SBIN/DHCPCLNT
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/ETH.I
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.INB INC/LIBTCPIP.I
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.INB INC/NET.DHCP.I
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*--------------------------------------
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TIMEOUT.MAX .EQ 200 20 sec.
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*--------------------------------------
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ZPIPCfgPtr .EQ ZPBIN
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ZPFrameBase .EQ ZPBIN+2
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ZPFramePtr .EQ ZPBIN+4
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA #S.PS.F.EVENT
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.DA #0
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.DA CS.END-CS.START CS
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.DA DS.END-DS.START DS
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.DA #64 SS
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.DA #6 ZP
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.LIBTCPIP .DA LIBTCPIP
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L.IPCFG .DA IPCFG
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L.SA.LOCAL .DA SA.LOCAL
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L.SA.REMOTE .DA SA.REMOTE
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L.MSG.CFG1 .DA MSG.CFG1
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L.MSG.CFG2 .DA MSG.CFG2
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L.MSG.CFG.KO .DA MSG.CFG.KO
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L.MSG.CFG.OK .DA MSG.CFG.OK
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L.MSG.CFG.ND .DA MSG.CFG.ND
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L.MSG.CFG.NA .DA MSG.CFG.NA
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L.DHCP.DISC .DA DHCP.DISC
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L.DHCP.REQ .DA DHCP.REQ
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.DA 0
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*--------------------------------------
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CS.INIT >LDYA L.LIBTCPIP
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>SYSCALL LoadLib
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bcs .9
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sta hLIBTCPIP
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>LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG
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bcs .9
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>STYA ZPIPCfgPtr
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lda (ZPIPCfgPtr)
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and #S.IPCFG.STATUS.OK
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bne .99 Already Configured, exit
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ldy #S.IPCFG.hFD
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lda (ZPIPCfgPtr),y
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beq .98
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ldy #S.IPCFG-1
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.1 lda (ZPIPCfgPtr),y
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sta IPCFG,y
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dey
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bne .1
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stz IPCFG+S.IPCFG.STATUS
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ldx #3
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.11 lda A2osX.TIMER16,x
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sta DHCP.DISC.XID,x
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sta DHCP.REQ.XID,x
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dex
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bpl .11
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ldx #5
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.2 lda IPCFG+S.IPCFG.MAC,x
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sta DHCP.DISC.CHADDR,x
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sta DHCP.REQ.CHADDR,x
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dex
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bpl .2
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clc
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.9 rts
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.98 >LDYA L.MSG.CFG.ND
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bra .90
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.99 >LDYA L.MSG.CFG.NA
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.90 >SYSCALL puts
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lda #0
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sec
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rts
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*--------------------------------------
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CS.RUN >PUSHBI 0 no protocol
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lda #S.SOCKET.T.DGRAM
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>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
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bcc .1
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.9 jmp CS.RUN.KO
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.1 >STA.G hSocket
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pha
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>PUSHW L.SA.LOCAL
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pla
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>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
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bcs .9
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>PUSHWI S.SOCKET.O.BROADCAST
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>LDA.G hSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.setsockopt
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>PUSHW L.SA.REMOTE
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>LDA.G hSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Connect
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bcs .9
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>LDYA L.MSG.CFG1
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>SYSCALL puts
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jsr Init.Timeout
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CS.RUN.SDISC >PUSHWI DHCP.DISC.LEN
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>PUSHW L.DHCP.DISC
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>LDA.G hSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Send
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bcc .1
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jmp CS.RUN.KO
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.1 lda #S.IPCFG.STATUS.SDISC
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sta IPCFG
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CS.RUN.ROFFER >SLEEP
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jsr CS.RUN.SKT.RCVD
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bcc .1
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jsr Wait.Timeout
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bne CS.RUN.ROFFER
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lda #1
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jmp CS.RUN.KO
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.1 jsr CheckDHCPOffer
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bcs CS.RUN.ROFFER
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lda #S.IPCFG.STATUS.ROFFER
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sta IPCFG
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CS.RUN.SREQ ldx #3
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.1 >PUSHB IPCFG+S.IPCFG.DHCPSRVR,x
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dex
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bpl .1
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>PUSHBI 4
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>LDYA L.MSG.CFG2
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>SYSCALL printf
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>PUSHWI DHCP.REQ.LEN
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>PUSHW L.DHCP.REQ
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>LDA.G hSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Send
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bcs CS.RUN.KO
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lda #S.IPCFG.STATUS.SREQ
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sta IPCFG
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CS.RUN.RACK >SLEEP
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jsr CS.RUN.SKT.RCVD
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bcc .1
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jsr Wait.Timeout
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bne CS.RUN.RACK
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lda #2
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bra CS.RUN.KO
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.1 jsr CheckDHCPAck
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bcs CS.RUN.RACK
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CS.RUN.OK lda #S.IPCFG.STATUS.OK
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sta IPCFG
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>PUSHW L.IPCFG
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>LIBCALL hLIBTCPIP,LIBTCPIP.SET.IPCFG
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ldx #3
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.1 lda IPCFG+S.IPCFG.MASK,x
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>PUSHA
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dex
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bpl .1
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ldx #3
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.2 lda IPCFG+S.IPCFG.IP,x
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>PUSHA
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dex
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bpl .2
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>PUSHBI 8
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>LDYA L.MSG.CFG.OK
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>SYSCALL printf
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lda #0 Leave with NO ERROR
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sec
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rts
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CS.RUN.KO pha
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>PUSHA
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>PUSHBI 1
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>LDYA L.MSG.CFG.KO
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>SYSCALL printf
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pla
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sec
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rts
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*--------------------------------------
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CS.RUN.SKT.RCVD >LDA.G hSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Recv
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bcs .9
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>STA.G hFrame
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>SYSCALL GetMemPtr
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>STYA ZPFrameBase
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.9 rts
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*--------------------------------------
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CS.DOEVENT lda (pEvent)
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bpl .9 is it a TIMER event?
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ldy #TimeOut
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lda (pData),y
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beq .9
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dec
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sta (pData),y
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.9 sec do not discard TIMER event
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rts
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*--------------------------------------
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CS.QUIT >LDA.G hSocket
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beq .1
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>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
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.1 lda hLIBTCPIP
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beq .8
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>SYSCALL UnloadLib
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.8 clc
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rts
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*--------------------------------------
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CheckDHCPOffer jsr CheckDHCPXID
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bcs .9
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lda ZPFrameBase
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clc
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adc #S.DHCP.OPTIONS
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sta ZPFramePtr
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lda ZPFrameBase+1
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adc /S.DHCP.OPTIONS
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sta ZPFramePtr+1
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lda (ZPFramePtr)
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cmp #S.DHCP.OPTIONS.MSGTYPE
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bne .9
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ldy #2
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lda (ZPFramePtr),y
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cmp #S.DHCP.OPTIONS.DHCPOffer
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bne .9
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ldy #S.DHCP.GIADDR+3
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ldx #3
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.1 lda (ZPFrameBase),y
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sta DHCP.REQ.GIADDR,x
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dey
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dex
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bpl .1
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ldy #S.DHCP.YIADDR+3
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ldx #3
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.2 lda (ZPFrameBase),y
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sta DHCP.REQ.OPT.REQIP,x
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sta IPCFG+S.IPCFG.IP,x
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dey
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dex
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bpl .2
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ldy #S.IP.SRC+3
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ldx #3
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.3 lda (ZPFrameBase),y
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sta DHCP.REQ.OPT.SVRIP,x
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sta IPCFG+S.IPCFG.DHCPSRVR,x
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dey
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dex
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bpl .3
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.5 inc ZPFramePtr skip Option 53 (DHCPOffer:530102)
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bne .6
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inc ZPFramePtr+1
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.6 lda (ZPFramePtr)
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sec
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adc ZPFramePtr add option len + 1
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sta ZPFramePtr
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bcc .7
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inc ZPFramePtr+1
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.7 lda (ZPFramePtr)
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cmp #S.DHCP.OPTIONS.END
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beq .8
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jsr GetDHCPOption
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bra .5
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.8 jsr CS.RUN.DISCARD
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clc
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rts
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.9 jsr CS.RUN.DISCARD
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sec
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rts
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*--------------------------------------
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CS.RUN.DISCARD >LDA.G hFrame
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>SYSCALL FreeMem
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rts
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*--------------------------------------
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GetDHCPOption cmp #S.DHCP.OPTIONS.MASK
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bne .1
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ldx #S.IPCFG.MASK
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bra GetDHCPOption.CopyIP
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.1 cmp #S.DHCP.OPTIONS.GW
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bne .2
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ldx #S.IPCFG.GW
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bra GetDHCPOption.CopyIP
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.2 cmp #S.DHCP.OPTIONS.DNS
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bne .3
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ldx #S.IPCFG.DNS1
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bra GetDHCPOption.CopyIP
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.3 cmp #S.DHCP.OPTIONS.DOMAIN
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bne .9
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ldy #1
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lda (ZPFramePtr),y Get String len
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cmp #80
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bcc .4
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lda #79
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.4 sta IPCFG+S.IPCFG.DOMAIN store len
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tax
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.5 iny
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lda (ZPFramePtr),y
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sta IPCFG+S.IPCFG.DOMAIN-1,y
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dex
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bne .5
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.9 rts
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*--------------------------------------
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GetDHCPOption.CopyIP
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ldy #1
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lda (ZPFramePtr),y Get Byte count
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cmp #9
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bcc .1
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lda #8 max 8 bytes (2 DNS)
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.1 iny
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.2 pha
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lda (ZPFramePtr),y
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sta IPCFG,x
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iny
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inx
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pla
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dec
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bne .2
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rts
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*--------------------------------------
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CheckDHCPAck jsr CheckDHCPXID
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bcs .9
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lda ZPFrameBase
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clc
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adc #S.DHCP.OPTIONS
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sta ZPFramePtr
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lda ZPFrameBase+1
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adc /S.DHCP.OPTIONS
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sta ZPFramePtr+1
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lda (ZPFramePtr)
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cmp #S.DHCP.OPTIONS.MSGTYPE
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bne .9
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ldy #2
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lda (ZPFramePtr),y
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cmp #S.DHCP.OPTIONS.DHCPAck
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bne .9
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jsr CS.RUN.DISCARD
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clc
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rts
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.9 jsr CS.RUN.DISCARD
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sec
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rts
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*--------------------------------------
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CheckDHCPXID ldy #S.DHCP.XID+3
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ldx #3
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.1 lda (ZPFrameBase),y
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cmp DHCP.DISC.XID,x same XID ?
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bne .9
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dey
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dex
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bpl .1
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clc
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rts
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.9 sec
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rts
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*--------------------------------------
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Init.Timeout ldy #TimeOut
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lda #TIMEOUT.MAX
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sta (pData),y
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rts
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*--------------------------------------
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Wait.TimeOut ldy #TimeOut
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lda (pData),y
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rts
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*--------------------------------------
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CS.END
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LIBTCPIP .AZ "libtcpip"
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MSG.CFG1 .AZ "DHCPCLNT:Searching for DHCP servers..."
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MSG.CFG2 .AZ "DHCPCLNT:Reply from DHCP Server at %d.%d.%d.%d, requesting...\r\n"
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MSG.CFG.KO .AZ "DHCPCLNT:Time Out [%h].\r\n"
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MSG.CFG.OK .AZ "DHCPCLNT:Success:[IP=%d.%d.%d.%d/%d.%d.%d.%d]\r\n"
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MSG.CFG.ND .AZ "DHCPCLNT:No Device, exiting."
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MSG.CFG.NA .AZ "DHCPCLNT:TCPIP Already configured, exiting."
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hLIBTCPIP .BS 1
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IPCFG .BS S.IPCFG
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*--------------------------------------
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SA.LOCAL .DA #AF.INET S.SOCKADDR.AF
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.BS 1
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.HS 00.00.00.00 S.SOCKADDR.ADDR
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.DA UDP.PORT.DHCPC S.SOCKADDR.PORT
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*--------------------------------------
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SA.REMOTE .DA #AF.INET S.SOCKADDR.AF
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.BS 1
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.HS FF.FF.FF.FF S.SOCKADDR.ADDR
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.DA UDP.PORT.DHCPS S.SOCKADDR.PORT
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*--------------------------------------
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DHCP.DISC .HS 01010600 OP,HTYPE,HLEN,HOPS
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DHCP.DISC.XID .BS 4
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.HS 0000 SECS
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.DA S.DHCP.FLAGS.BRDCST
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.HS 00000000 CIADDR
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DHCP.DISC.YIADDR .HS 00000000
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.HS 00000000 SIADDR
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DHCP.DISC.GIADDR .HS 00000000
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DHCP.DISC.CHADDR .HS 00000000.00000000.00000000.00000000
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.BS 64 SNAME
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.BS 128 FILE
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.HS 63825363 COOKIE
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.HS 3501 OPT
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.DA #S.DHCP.OPTIONS.DHCPDiscover
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.HS 37040103060FFF
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DHCP.DISC.LEN .EQ *-DHCP.DISC
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*--------------------------------------
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DHCP.REQ .HS 01010600 OP,HTYPE,HLEN,HOPS
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DHCP.REQ.XID .BS 4
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.HS 0000 SECS
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.DA S.DHCP.FLAGS.BRDCST
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.HS 00000000 CIADDR
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DHCP.REQ.YIADDR .HS 00000000
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.HS 00000000 SIADDR
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DHCP.REQ.GIADDR .HS 00000000
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DHCP.REQ.CHADDR .HS 00000000.00000000.00000000.00000000
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.BS 64 SNAME
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.BS 128 FILE
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.HS 63825363 COOKIE
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.HS 3501 OPT
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.DA #S.DHCP.OPTIONS.DHCPRequest
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.HS 3204
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DHCP.REQ.OPT.REQIP .BS 4
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.HS 3604
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DHCP.REQ.OPT.SVRIP .BS 4
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.HS FF
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DHCP.REQ.LEN .EQ *-DHCP.REQ
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*--------------------------------------
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DS.START
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TimeOut .BS 1
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hSocket .BS 1
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hFrame .BS 1
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DS.END
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MAN
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SAVE USR/SRC/SBIN/DHCPCLNT.S
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ASM
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