mirror of
https://github.com/A2osX/A2osX.git
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367 lines
7.1 KiB
Plaintext
367 lines
7.1 KiB
Plaintext
PR#3
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PREFIX /A2OSX.BUILD
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NEW
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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.BUILD/BIN/PING
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*--------------------------------------
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.INB /A2OSX.BUILD/INC/MACROS.I
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.INB /A2OSX.BUILD/INC/A2OSX.I
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.INB /A2OSX.BUILD/INC/LIBTCPIP.I
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*--------------------------------------
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TIMEOUT.MAX .EQ 20 2 sec.
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*--------------------------------------
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ZPFrameBase .EQ ZPBIN
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ZPFrameLen .EQ ZPBIN+2
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ZPFramePtr1 .EQ ZPBIN+4
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ZPIPCfgPtr .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 Code Length To Relocate
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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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.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.Socket .DA Socket
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L.ICMP.Request .DA ICMP.Request
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L.MSG.IPKO .DA MSG.IPKO
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L.MSG.USAGE .DA MSG.USAGE
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L.MSG.UNKNOWN .DA MSG.UNKNOWN
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L.MSG.HOSTOK .DA MSG.HOSTOK
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L.MSG.SKTKO .DA MSG.SKTKO
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L.MSG.REPLY .DA MSG.REPLY
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L.MSG.UNREACH .DA MSG.UNREACH
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.DA 0
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*--------------------------------------
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CS.INIT >LDYA L.LIBTCPIP
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>SYSCALL LoadLibYA
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bcs .9
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sta hLIBTCPIP
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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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*--------------------------------------
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CS.RUN >LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG is TCPIP loaded ?
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>STYA ZPIPCfgPtr
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lda (ZPIPCfgPtr) Configured ?
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bmi CS.RUN.IPOK
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>LDYA L.MSG.IPKO
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>SYSCALL PrintF.YA
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lda #K.E.SYN
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sec
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rts
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CS.RUN.IPOK >SYSCALL GetArgC
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cmp #1
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beq .9
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jsr Init.Timeout
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.2 >PUSHW pData DST.IP
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lda #1
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>SYSCALL GetArg.A
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>PUSHYA
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>LIBCALL hLIBTCPIP,LIBTCPIP.HST.GETBYNAME
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bcc CS.RUN.HOSTOK
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>SYSCALL Sleep
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jsr Wait.Timeout
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bcc .2
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lda #1
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>SYSCALL GetArg.A
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>PUSHYA
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>LDYA L.MSG.UNKNOWN
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bra .99
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.9 >LDYA L.MSG.USAGE
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.99 >SYSCALL PrintF.YA
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lda #K.E.SYN
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sec
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rts
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CS.RUN.HOSTOK lda #1
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>SYSCALL GetArg.A
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>PUSHYA
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ldy #DST.IP+3
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ldx #3
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.1 lda (pData),y
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sta Socket.Dst.Addr,x
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>PUSHA
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dey
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dex
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bpl .1
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>LDYA L.MSG.HOSTOK
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>SYSCALL PrintF.YA
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CS.RUN.OPENSKT ldx #3
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ldy #S.IPCFG.IP+3
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.1 lda (ZPIPCfgPtr),y
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sta Socket.Src.Addr,x
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dey
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dex
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bpl .1
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ldy #Identifier
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lda A2OSX.RANDOM16
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sta Socket.Dst.Port
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sta (pData),y
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iny
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lda A2OSX.RANDOM16+1
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sta Socket.Dst.Port+1
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sta (pData),y
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>PUSHW L.Socket
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>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.New
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bcc .2
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>LDYA L.MSG.SKTKO
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>SYSCALL PrintF.YA
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lda #K.E.SYN
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sec
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rts
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.2 txa
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ldy #hSocket
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sta (pData),y
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CS.RUN.SEND.ECHO
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ldy #Identifier
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lda (pData),y
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sta ICMP.Request.ID
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iny
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lda (pData),y
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sta ICMP.Request.ID+1
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ldy #Sequence
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sec
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lda (pData),y
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adc #0
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sta (pData),y
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sta ICMP.Request.SQ
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iny
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lda (pData),y
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adc #0
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sta (pData),y
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sta ICMP.Request.SQ+1
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jsr Init.Timeout
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ldy #hSocket
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>PUSHB (pData),y
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>PUSHW L.ICMP.Request
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>PUSHWI ICMP.RequestLen
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>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.Write
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bcs CS.RUN.ERR
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jsr Init.Timeout
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CS.RUN.WAIT.REPLY
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>SYSCALL Sleep
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>SYSCALL GetC
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bcs .1
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cmp #3 Ctrl-C
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beq .9
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.1 ldy #hSocket
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lda (pData),y
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>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.ReadA
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bcs .2
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ldy #hFrame
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sta (pData),y
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>SYSCALL GetMemPtr.A
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>STYA ZPFrameBase
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jsr CS.Print.REPLY
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bcs CS.RUN.ERR
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ldy #hFrame
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lda (pData),y
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>SYSCALL FreeMem.A
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ldy #hFrame
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lda #0
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sta (pData),y
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jmp CS.RUN.SEND.ECHO
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.2 jsr Wait.Timeout
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bcc CS.RUN.WAIT.REPLY
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jsr CS.Print.UNREACH
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bcs CS.RUN.ERR
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jmp CS.RUN.SEND.ECHO
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.9 lda #0
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sec
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CS.RUN.ERR 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.Print.UNREACH
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ldy #DST.IP+3
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>PUSHB (pData),y DST.IP+3
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dey
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>PUSHB (pData),y DST.IP+2
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dey
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>PUSHB (pData),y DST.IP+1
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dey
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>PUSHB (pData),y DST.IP
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>LDYA L.MSG.UNREACH
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>SYSCALL PrintF.YA
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rts
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*--------------------------------------
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CS.Print.REPLY lda #TIMEOUT.MAX
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sec
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ldy #TimeOut
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sbc (pData),y
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stz TimeOut.ms
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stz TimeOut.ms+1
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tay
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beq .3
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.1 lda TimeOut.ms
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clc
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adc #100
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sta TimeOut.ms
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bcc .2
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inc TimeOut
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.2 dey
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bne .1
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.3 >PUSHW TimeOut.ms
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ldy #S.IP.TTL
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>PUSHB (ZPFrameBase),y
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ldy #S.ICMP.SEQUENCE+1
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>PUSHB (ZPFrameBase),y
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dey
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>PUSHB (ZPFrameBase),y
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ldy #S.IP.SRC+3
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>PUSHB (ZPFrameBase),y
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dey
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>PUSHB (ZPFrameBase),y
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dey
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>PUSHB (ZPFrameBase),y
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dey
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>PUSHB (ZPFrameBase),y
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>LDYA L.MSG.REPLY
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>SYSCALL PrintF.YA
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rts
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*--------------------------------------
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CS.QUIT ldy #hFrame
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lda (pData),y
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beq .1
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>SYSCALL FreeMem.A
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.1 ldy #hSocket
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lda (pData),y
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>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CLOSEA
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lda hLIBTCPIP
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>SYSCALL UnloadLibA
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clc
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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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clc
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.9 rts
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*--------------------------------------
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CS.END
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LIBTCPIP >PSTR "libtcpip.o"
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MSG.IPKO >CSTR "TCP/IP Not Loaded/Configured.\r\n"
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MSG.USAGE >CSTR "Usage : PING <ip|host>\r\n"
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MSG.UNKNOWN >CSTR "%S: Unknown host\r\n"
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MSG.HOSTOK >CSTR "PING %d.%d.%d.%d (%S)\r\n"
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MSG.SKTKO >CSTR "Failed to Open Socket.\r\n"
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MSG.UNREACH >CSTR "%d.%d.%d.%d: TimeOut/Host unreachable\r\n"
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MSG.REPLY >CSTR "32 bytes from %d.%d.%d.%d, icmp_seq=%D, ttl=%d, time=%D ms\r\n"
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hLIBTCPIP .BS 1
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TimeOut.ms .BS 2
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Socket .DA #S.SOCKET.SOCK.RAW
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.BS 1
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.DA #S.IP.PROTOCOL.ICMP
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.BS 1
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Socket.Src.Addr .BS 4
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Socket.Src.Port .DA 0 Dynamic
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Socket.Dst.Addr .BS 4
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Socket.Dst.Port .DA 0 Identifier
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*--------------------------------------
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ICMP.Request .DA #S.ICMP.TYPE.ECHOREQ
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.DA #0 CODE
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.DA 0 CHECKSUM
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ICMP.Request.ID .BS 2
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ICMP.Request.SQ .BS 2
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.AS "ABCDEFGHIJKLMNOP"
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.AS "QRSTUVWXYZ012345"
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ICMP.RequestLen .EQ *-ICMP.Request
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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DST.IP .BS 4
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hSocket .BS 1
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hFrame .BS 1
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Identifier .BS 2
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Sequence .BS 2
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TimeOut .BS 1
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DS.END
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.ED
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/BIN/PING.S
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ASM
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