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68 lines
1.3 KiB
Plaintext
68 lines
1.3 KiB
Plaintext
NEW
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PREFIX /A2OSX.BUILD
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AUTO 4,1
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.LIST OFF
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*--------------------------------------
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UDP.IN jsr IP.FillSKT.TemplateSrcDstIPP
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lda hSocketTable
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>SYSCALL GetMemPtr
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>STYA ZPPtrSKT
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ldx #0
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.3 lda (ZPPtrSKT)
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beq .7
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cmp #S.SOCKET.SOCK.DGRAM
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bne .7
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ldy #S.SOCKET.SRC.ADDR
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lda (ZPPtrSKT),y SOCKET.SRC.ADDR=0.0.0.0 ?
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bne .41
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ldy #S.SOCKET.SRC.PORT yes, do not check if IP match
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.4 lda (ZPPtrSKT),y
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.41 cmp SKT.Template,y
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bne .7
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iny
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cpy #S.SOCKET.DST.ADDR
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bne .4
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lda (ZPPtrSKT),y SOCKET.DST.ADDR=FF.FF.FF.FF ?
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cmp #$FF
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bne .51
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ldy #S.SOCKET.DST.PORT yes, do not check if IP match
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.5 lda (ZPPtrSKT),y
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.51 cmp SKT.Template,y
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bne .7
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iny
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cpy #S.SOCKET.DST.PORT+2
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bne .5
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lda hFrameIn
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jsr SKT.AddToQueueA
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bcs .9 Q full, discard...
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rts DO NOT Discard this queued frame
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.7 lda ZPPtrSKT
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clc
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adc #S.SOCKET
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sta ZPPtrSKT
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bcc .8
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inc ZPPtrSKT+1
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.8 inx
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cpx #K.SKTTABLE.SIZE
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bne .3
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.9 lda hFrameIn
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>SYSCALL FreeMem
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rts
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/LIB/LIBTCPIP.S.UDP
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LOAD /A2OSX.SRC/LIB/LIBTCPIP.S
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ASM
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