mirror of https://github.com/A2osX/A2osX.git
402 lines
6.4 KiB
Plaintext
402 lines
6.4 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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DHCP.INIT lda IPCFG+S.NETCFG.STATUS
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and #S.IPCFG.STATUS.OK
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bne .99 Already Configured, exit
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stz IPCFG+S.NETCFG.STATUS
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ldx #3
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.1 eor 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 .1
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ldx #5
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.2 lda IPCFG+S.NETCFG.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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.99 >LDYA L.MSG.DHCP.NA
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>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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DHCP.RUN >PUSHBI S.SOCKET.T.DGRAM
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>PUSHBI 0 no protocol
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>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
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bcc .1
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.9 jmp DHCP.RUN.KO
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.1 sta hSocket
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>PUSHA
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>PUSHW L.SA.LOCAL
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>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
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bcs .9
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>SLEEP
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>PUSHB hSocket
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>PUSHBI S.SOCKET.O.BROADCAST
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>LIBCALL hLIBTCPIP,LIBTCPIP.setsockopt
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>PUSHB hSocket
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>PUSHW L.SA.REMOTE
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>LIBCALL hLIBTCPIP,LIBTCPIP.Connect
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bcs .9
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>LDYA L.MSG.DHCP.CFG1
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>SYSCALL PutS
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>SLEEP
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DHCP.RUN.SDISC >PUSHB hSocket
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>PUSHW L.DHCP.DISC
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>PUSHWI DHCP.DISC.LEN
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>PUSHW L.SA.DEST
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>LIBCALL hLIBTCPIP,LIBTCPIP.SendTo
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bcc .1
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jmp DHCP.RUN.KO
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.1 lda #S.IPCFG.STATUS.SDISC
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sta IPCFG
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DHCP.RUN.ROFFER jsr DHCP.RUN.SKT.RECV
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bcc .1
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lda #1
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jmp DHCP.RUN.KO
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.1 jsr CheckDHCPOffer
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bcs DHCP.RUN.ROFFER
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lda #S.IPCFG.STATUS.ROFFER
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sta IPCFG
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DHCP.RUN.SREQ >PUSHW L.MSG.DHCP.CFG2
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ldx #0
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.1 >PUSHB IPCFG+S.IPCFG.DHCPSRVR,x
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inx
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cpx #4
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bne .1
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>PUSHBI 4
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>SYSCALL PrintF
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>PUSHB hSocket
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>PUSHW L.DHCP.REQ
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>PUSHWI DHCP.REQ.LEN
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>PUSHW L.SA.DEST
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>LIBCALL hLIBTCPIP,LIBTCPIP.SendTo
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bcs DHCP.RUN.KO
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lda #S.IPCFG.STATUS.SREQ
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sta IPCFG
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DHCP.RUN.RACK jsr DHCP.RUN.SKT.RECV
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bcc .1
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lda #2
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bra DHCP.RUN.KO
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.1 jsr CheckDHCPAck
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bcs DHCP.RUN.RACK
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DHCP.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.SETCFG
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>PUSHW L.MSG.DHCP.OK
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ldx #0
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.1 lda IPCFG+S.IPCFG.IP,x
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>PUSHA
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inx
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cpx #4
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bne .1
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ldx #0
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.2 lda IPCFG+S.IPCFG.MASK,x
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>PUSHA
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inx
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cpx #4
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bne .2
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>PUSHBI 8
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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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DHCP.RUN.KO pha
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>PUSHW L.MSG.DHCP.KO
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pla
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pha
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>PUSHA
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>PUSHBI 1
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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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DHCP.RUN.SKT.RECV
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lda #TIMEOUT.MAX
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sta TimeOut
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.1 >SLEEP
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lda hSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Recv
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bcc .8
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cmp #E.NODATA
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bne .9
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lda TimeOut
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bne .1
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.9 sec
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rts
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.8 sta hFrame
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>SYSCALL GetMemPtr
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>STYA ZPFrameBase
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rts
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*--------------------------------------
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DHCP.QUIT lda hSocket
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beq .1
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>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
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.1 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.YIADDR+11 Copy YIADDR,SIADDR+GIADDR
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* ldx #11
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*.1 lda (ZPFrameBase),y
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* sta DHCP.REQ.YIADDR,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.DHCP.SIADDR+3
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lda (ZPFrameBase),y
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bne .3
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ldy #S.IP.SRC+3
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.3 ldx #3
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.4 lda (ZPFrameBase),y
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sta IPCFG+S.IPCFG.DHCPSRVR,x
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sta DHCP.REQ.OPT.SVRIP,x
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dey
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dex
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bpl .4
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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 May override SVRIP
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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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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.SRVID
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bne .4
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ldy #5
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ldx #3
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.31 lda (ZPFramePtr),y
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sta DHCP.REQ.OPT.SVRIP,x
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dey
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dex
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bpl .31
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rts
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.4 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 #45
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bcc .6
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lda #44
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.6 sta IPCFG+S.IPCFG.DOMAIN store len
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tax
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.7 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 .7
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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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CS.RUN.DISCARD lda hFrame
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>SYSCALL FreeMem
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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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MAN
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SAVE usr/src/bin/ipconfig.s.dhcp
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LOAD usr/src/bin/ipconfig.s
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ASM
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