mirror of
https://github.com/A2osX/A2osX.git
synced 2024-12-01 14:50:10 +00:00
567 lines
11 KiB
Plaintext
567 lines
11 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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LOMEM $C00
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF /A2OSX.BOOT/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/LIBTCPIP.I
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*--------------------------------------
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TIMEOUT.MAX .EQ 4 4 sec.
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*--------------------------------------
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ZPFrameBase1 .EQ ZPBIN
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ZPFrameLen1 .EQ ZPBIN+2
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ZPFramePtr1 .EQ ZPBIN+4
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ZPPtr1 .EQ ZPBIN+6
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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 0
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.DA CS.END-CS.START
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.DA DS.END-DS.START Data Segment to Allocate
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.DA 0
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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.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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.DA 0
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*--------------------------------------
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CS.INIT >LDYA L.LIBTCPIP
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>SYSCALL SYS.LoadLibYA
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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 ZPPtr1
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lda (ZPPtr1)
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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.HDEV
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lda (ZPPtr1),y
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beq .98
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ldy #0
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.1 lda (ZPPtr1),y
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sta IPCFG,y
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iny
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cpy #S.IPCFG
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bne .1
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>LDYA A2OSX.TIMER16
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>STYA FRAME.DISC.XID
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>STYA FRAME.REQ.XID
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>LDYA A2OSX.RANDOM16
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>STYA FRAME.DISC.XID+2
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>STYA FRAME.REQ.XID+2
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lda #0
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sta IPCFG
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ldx #5
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.2 lda IPCFG+S.IPCFG.MAC,x
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sta FRAME.DISC.CHADDR,x
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sta FRAME.REQ.CHADDR,x
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dex
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bpl .2
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lda (pPs)
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ora #S.PS.F.EVENT Now accept events
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sta (pPs)
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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 SYS.PSTROutYA
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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 >LDYA L.MSG.CFG1
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>SYSCALL SYS.PSTROutYA
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CS.RUN.DISC jsr SendDHCPDiscFrame
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bcs CS.RUN.KO
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lda #S.IPCFG.STATUS.SDISC
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sta IPCFG
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jsr Init.Timeout
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CS.RUN.OFFER >SYSCALL SYS.Sleep
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lda IPCFG
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and #S.IPCFG.STATUS.ROFFER
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bne CS.RUN.REQ
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jsr Wait.Timeout
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bcc CS.RUN.OFFER
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lda #1
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bra CS.RUN.KO
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CS.RUN.REQ 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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>LDYA L.MSG.CFG2
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>SYSCALL SYS.PSTROutYA
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jsr SendDHCPReqFrame
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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 >SYSCALL SYS.Sleep
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lda IPCFG
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and #S.IPCFG.STATUS.RACK
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bne CS.RUN.OK
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jsr Wait.Timeout
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bcc CS.RUN.RACK
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lda #2
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CS.RUN.KO pha
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>PUSHA
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>LDYA L.MSG.CFG.KO
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>SYSCALL SYS.PSTROutYA
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pla
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sec
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rts
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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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>LDYA L.MSG.CFG.OK
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>SYSCALL SYS.PSTROutYA
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lda #0 Leave with NO ERROR
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sec
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rts
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*--------------------------------------
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CS.DOEVENT lda (pEvent)
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bpl .1 is it a TIMER event?
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asl One second ?
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bpl .9
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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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sec do not discard TIMER event
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rts
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.1 bit #S.EVT.F.NET
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beq .9
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ldy #S.IPCFG.HDEV
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lda IPCFG,y
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ldy #S.EVT.hDEV
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cmp (pEvent),y
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bne .9
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ldy #S.EVT.DATALO Get Frame hMem
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lda (pEvent),y
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>SYSCALL SYS.GetMemPtrA
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>STYA ZPFrameBase1
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lda (ZPFrameBase1)
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sta ZPFrameLen1
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ldy #1
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lda (ZPFrameBase1),y
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sta ZPFrameLen1+1
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lda IPCFG
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and #S.IPCFG.STATUS.SDISC
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beq .2
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jsr CheckDHCPOfferFrame
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bcs .9
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lda #S.IPCFG.STATUS.ROFFER
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sta IPCFG
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clc
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rts
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.2 lda IPCFG
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and #S.IPCFG.STATUS.SREQ
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beq .9
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jsr CheckDHCPAckFrame
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bcs .9
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lda #S.IPCFG.STATUS.RACK
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sta IPCFG
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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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CS.QUIT lda hLIBTCPIP
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>SYSCALL SYS.UnloadLibA
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clc
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rts
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*--------------------------------------
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SendDHCPDiscFrame
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jsr NewDHCPFrame
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bcs .9
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phx
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lda ZPFrameBase1
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clc
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adc #S.UDP
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sta ZPPtr1
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lda ZPFrameBase1+1
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adc /S.UDP
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sta ZPPtr1+1
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ldy #FRAME.DISC.LEN
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.1 dey
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lda FRAME.DISC,y
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sta (ZPPtr1),y
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tya
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bne .1
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lda #S.UDP+FRAME.DISC.LEN-2
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sta (ZPFrameBase1)
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ldy #1
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lda /S.UDP+FRAME.DISC.LEN-2
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sta (ZPFrameBase1),y
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>PUSHW ZPFrameBase1
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>LIBCALL hLIBTCPIP,LIBTCPIP.SEND.UDP.FRAME
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pla
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php
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>SYSCALL SYS.FreeMemA
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plp
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.9 rts
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*--------------------------------------
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CheckDHCPOfferFrame
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jsr CheckDHCPXID
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bcs .9
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>LDAXI S.DHCP.OPTIONS
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jsr SetFramePtr1AX
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ldy #2 DHCPOffer ?
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lda (ZPFramePtr1),y
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cmp #S.DHCP.OPTIONS.DHCPOffer
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bne .9
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ldy #S.DHCP.YIADDR+3
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ldx #3
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.1 lda (ZPFrameBase1),y
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sta FRAME.REQ.OPT.REQIP,x
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dey
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dex
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bpl .1
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ldx #3
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ldy #S.IPCFG.IP+3
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.2 lda FRAME.REQ.OPT.REQIP,x
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sta IPCFG,y
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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 (ZPFrameBase1),y
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sta FRAME.REQ.OPT.SVRIP,x
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dey
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dex
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bpl .3
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ldx #3
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ldy #S.IPCFG.DHCPSRVR+3
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.4 lda FRAME.REQ.OPT.SVRIP,x
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sta IPCFG,y
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dey
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dex
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bpl .4
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.5 inc ZPFramePtr1 skip Option 53 (DHCPOffer:530102)
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bne .6
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inc ZPFramePtr1+1
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.6 lda (ZPFramePtr1)
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sec
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adc ZPFramePtr1 add option len + 1
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sta ZPFramePtr1
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bcc .7
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inc ZPFramePtr1+1
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.7 lda (ZPFramePtr1)
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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 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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GetDHCPOption cmp #S.DHCP.OPTIONS.MASK
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bne .1
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ldy #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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ldy #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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ldy #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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ldx #$FF
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.4 iny
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inx
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lda (ZPFramePtr1),y
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sta TmpBuffer256,x
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bne .4
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ldy #S.IPCFG.DOMAIN-1
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ldx #$FF
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.5 iny
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inx
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lda TmpBuffer256,x
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sta IPCFG,y
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bne .5
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.9 rts
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GetDHCPOption.CopyIP
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phy
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ldy #2
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ldx #0
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.1 lda (ZPFramePtr1),y
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sta TmpBuffer256,x
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iny
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inx
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cpx #4
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bne .1
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ply
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ldx #0
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.2 lda TmpBuffer256,x
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sta IPCFG,y
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iny
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inx
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cpx #4
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bne .2
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rts
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*--------------------------------------
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SendDHCPReqFrame
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jsr NewDHCPFrame
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bcs .9
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phx
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lda ZPFrameBase1
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clc
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adc #S.UDP
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sta ZPPtr1
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lda ZPFrameBase1+1
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adc /S.UDP
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sta ZPPtr1+1
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ldy #FRAME.REQ.LEN
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.1 dey
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lda FRAME.REQ,y
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sta (ZPPtr1),y
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tya
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bne .1
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lda #S.UDP+FRAME.REQ.LEN-2
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sta (ZPFrameBase1)
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ldy #1
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lda /S.UDP+FRAME.REQ.LEN-2
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sta (ZPFrameBase1),y
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>PUSHW ZPFrameBase1
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>LIBCALL hLIBTCPIP,LIBTCPIP.SEND.UDP.FRAME
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pla
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php
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>SYSCALL SYS.FreeMemA
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plp
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.9 rts
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*--------------------------------------
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CheckDHCPAckFrame
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jsr CheckDHCPXID
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bcs .9
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>LDAXI S.DHCP.OPTIONS
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jsr SetFramePtr1AX
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ldy #2 DHCPAck ?
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lda (ZPFramePtr1),y
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cmp #S.DHCP.OPTIONS.DHCPAck
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bne .9
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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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CheckDHCPXID ldy #S.DHCP.XID+3
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ldx #3
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.1 lda (ZPFrameBase1),y
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cmp FRAME.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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NewDHCPFrame >LIBCALL hLIBTCPIP,LIBTCPIP.NEW.UDP.FRAME
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bcs .9
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>STYA ZPFrameBase1
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ldy #S.UDP.SRCPORT
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lda /UDP.PORT.DHCPC
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sta (ZPFrameBase1),y
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iny
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lda #UDP.PORT.DHCPC
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sta (ZPFrameBase1),y
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ldy #S.UDP.DSTPORT
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lda /UDP.PORT.DHCPS
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sta (ZPFrameBase1),y
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iny
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lda #UDP.PORT.DHCPS
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sta (ZPFrameBase1),y
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lda #255 S.IP.DST = 255.255.255.255
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ldy #S.IP.DST
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.1 sta (ZPFrameBase1),y
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iny
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cpy #S.IP.DST+4
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bne .1
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clc x = hMem
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.9 rts
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*--------------------------------------
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SetFramePtr1AX clc
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adc ZPFrameBase1
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sta ZPFramePtr1
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txa
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adc ZPFrameBase1+1
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sta ZPFramePtr1+1
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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 sec
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ldy #TimeOut
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lda (pData),y
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beq .9
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ldy #bCTRLC
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lda (pData),y
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bmi .9
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clc
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.9 rts
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*--------------------------------------
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CS.END
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LIBTCPIP >PSTRING "libtcpip.o"
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MSG.CFG1 >PSTRING "DHCPCLNT:Searching for DHCP servers...\n"
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MSG.CFG2 >PSTRING "DHCPCLNT:Reply from DHCP Server at %d.%d.%d.%d, requesting...\n"
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MSG.CFG.KO >PSTRING "DHCPCLNT:Time Out [%h].\n"
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MSG.CFG.OK >PSTRING "DHCPCLNT:Success:[IP=%d.%d.%d.%d/%d.%d.%d.%d]\n"
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MSG.CFG.ND >PSTRING "DHCPCLNT:No Device, exiting.\n"
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MSG.CFG.NA >PSTRING "DHCPCLNT:TCPIP Already configured, exiting.\n"
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hLIBTCPIP .BS 1
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IPCFG .BS S.IPCFG
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FRAME.DISC .HS 01010600 OP,HTYPE,HLEN,HOPS
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FRAME.DISC.XID .BS 4
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.HS 0000 SECS
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.HS 0000 FLAGS
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.HS 00000000 CIADDR
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FRAME.DISC.YIADDR .HS 00000000
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.HS 00000000 SIADDR
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.HS 00000000 GIADDR
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FRAME.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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FRAME.DISC.LEN .EQ *-FRAME.DISC
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FRAME.REQ .HS 01010600 OP,HTYPE,HLEN,HOPS
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FRAME.REQ.XID .BS 4
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.HS 0000 SECS
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.HS 0000 FLAGS
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.HS 00000000 CIADDR
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FRAME.REQ.YIADDR .HS 00000000
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.HS 00000000 SIADDR
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.HS 00000000 GIADDR
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FRAME.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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FRAME.REQ.OPT.REQIP .BS 4
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.HS 3604
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FRAME.REQ.OPT.SVRIP .BS 4
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.HS FF
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FRAME.REQ.LEN .EQ *-FRAME.REQ
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*--------------------------------------
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DS.START
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TimeOut .BS 1
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bCTRLC .BS 1
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DS.END
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MAN
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SAVE SBIN/DHCPCLNT.S
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ASM
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