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https://github.com/A2osX/A2osX.git
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100 lines
1.8 KiB
Plaintext
100 lines
1.8 KiB
Plaintext
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PR#3
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PREFIX /A2OSX.SRC
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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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*--------------------------------------
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ARPListener jsr GetIPCFG
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ldy #S.ARP.TPA
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ldx #S.IPCFG.IP
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.1 lda (ZPFrameBase1),y
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cmp IPCFG,x
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bne .9
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iny
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inx
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cpx #S.IPCFG.IP+4
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bne .1
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ldy #S.ARP.OPERATION+1 HI byte
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lda (ZPFrameBase1),y
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cmp #S.ARP.OPERATION.REQ
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beq ARPListener.REQ
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cmp #S.ARP.OPERATION.REP
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beq ARPListener.REP
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.9 clc Discard any other ARP frames
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rts
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ARPListener.REP >LDAXI S.ARP.SHA
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jsr SetFramePtr1AX
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>PUSHW ZPFramePtr1
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>LDAXI S.ARP.SPA
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jsr SetFramePtr1AX
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>PUSHW ZPFramePtr1
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>LIBCALL hLIBTCPIP,LIBTCPIP.ARP.ADD
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clc
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ARPListener.RTS rts
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ARPListener.REQ >LIBCALL hLIBTCPIP,LIBTCPIP.NEW.ARP.FRAME
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bcs ARPListener.RTS
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phx
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>STYA ZPFrameBase2
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ldy #S.ARP.OPERATION+1
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lda #S.ARP.OPERATION.REP
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sta (ZPFrameBase2),y
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>LDAXI S.ARP.SHA
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jsr SetFramePtr1AX
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>LDAXI S.ETH.DSTMAC
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jsr SetFramePtr2AX
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ldy #6
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jsr CopyFramePtr12
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>LDAXI S.ARP.THA
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jsr SetFramePtr2AX
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ldy #10 IP(4) + MAC(6)
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jsr CopyFramePtr12
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>PUSHW ZPFramePtr1 still point to SHA
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>LDAXI S.ARP.SPA
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jsr SetFramePtr1AX
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>PUSHW ZPFramePtr1
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>LIBCALL hLIBTCPIP,LIBTCPIP.ARP.ADD
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ldx #5
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ldy #S.ARP.SHA+5
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.4 lda IPCFG+S.IPCFG.MAC,x
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sta (ZPFrameBase2),y
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dey
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dex
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bpl .4
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ldx #3
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ldy #S.ARP.SPA+3
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.5 lda IPCFG+S.IPCFG.IP,x
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sta (ZPFrameBase2),y
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dey
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dex
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bpl .5
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>PUSHW ZPFrameBase2
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>LIBCALL hLIBTCPIP,LIBTCPIP.SEND.ARP.FRAME
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pla
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>SYSCALL SYS.FreeMemA
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clc
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rts
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*--------------------------------------
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MAN
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SAVE SBIN/TCPIP.S.ARP
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LOAD SBIN/TCPIP.S
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ASM
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