mirror of
https://github.com/A2osX/A2osX.git
synced 2024-07-17 09:29:08 +00:00
225 lines
3.5 KiB
Plaintext
225 lines
3.5 KiB
Plaintext
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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SKT.NEW >PULLW ZPPtrSKT
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stz bFound
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ldy #S.SOCKET.SRC.PORT+1
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lda (ZPPtrSKT),y
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dey
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ora (ZPPtrSKT),y
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bne .1
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jsr GetDynPort
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sta (ZPPtrSKT),y
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txa
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iny
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sta (ZPPtrSKT),y
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.1 >LDYA L.SKT.TABLE
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>STYA ZPTmpPtr1
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ldx #0
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.2 lda (ZPTmpPtr1)
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beq .4
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ldy #S.SOCKET.SRC.PORT+1
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.3 lda (ZPPtrSKT),y
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cmp (ZPTmpPtr1),y
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bne .5
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dey
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bpl .3
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lda ERR.SBUSY
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sec
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rts
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.4 bit bFound
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bmi .5
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sec
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ror bFound
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stx hSocket
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>LDYA ZPTmpPtr1
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>STYA ZPTmpPtr2
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.5 lda ZPTmpPtr1
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clc
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adc #S.SOCKET
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sta ZPTmpPtr1
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bcc .6
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inc ZPTmpPtr1+1
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.6 inx
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cpx #K.SKTTABLE.SIZE
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bne .2
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bit bFound
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bpl .9
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ldy #S.SOCKET-1
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.7 lda (ZPPtrSKT),y
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sta (ZPTmpPtr2),y
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dey
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bpl .7
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lda hSocket
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clc
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rts
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.9 lda ERR.OOS
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sec
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rts
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*--------------------------------------
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SKT.LISTEN
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sec
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rts
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*--------------------------------------
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SKT.ACCEPT
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sec
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rts
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*--------------------------------------
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SKT.SENDA
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sec
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rts
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*--------------------------------------
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SKT.SEND >PULLB hSocket
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pha
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>PULLW ZPDataPtr
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>PULLW ZPDataLen
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pla
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jsr SKT.GetA
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bcs .9
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cmp #S.SOCKET.SOCK.DGRAM
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beq SKT.SEND.UDP
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bra *
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sec
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.9 rts
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*--------------------------------------
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SKT.SEND.UDP jsr NEW.UDP.FRAME
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bcs .9
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>STYA ZPFrameBase1
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lda #S.UDP
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clc
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adc ZPDataLen
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sta ZPFrameLen1
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lda /S.UDP
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adc ZPDataLen+1
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sta ZPFrameLen1+1
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ldy #S.SOCKET.SRC.PORT
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lda (ZPPtrSKT),y
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tax
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iny
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lda (ZPPtrSKT),y
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ldy #S.UDP.SRCPORT
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sta (ZPFrameBase1),y
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iny
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txa
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sta (ZPFrameBase1),y
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ldy #S.SOCKET.SRC.ADDR
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ldx #4
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.1 lda (ZPPtrSKT),y
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pha
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iny
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dex
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bne .1
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ldy #S.IP.DST+3
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ldx #4
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.2 pla
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sta (ZPFrameBase1),y
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dey
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dex
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bne .2
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ldy #S.SOCKET.DST.PORT
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lda (ZPPtrSKT),y
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tax
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iny
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lda (ZPPtrSKT),y
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ldy #S.UDP.DSTPORT
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sta (ZPFrameBase1),y
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iny
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txa
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sta (ZPFrameBase1),y
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lda #S.UDP
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clc
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adc ZPFrameBase1
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sta ZPTmpPtr1
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lda /S.UDP
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adc ZPFrameBase1+1
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sta ZPTmpPtr1+1
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ldy #0
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.3 jsr DecDataLen
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beq .4
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lda (ZPDataPtr),y
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sta (ZPTmpPtr1),y
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iny
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bne .3
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inc ZPDataPtr
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inc ZPTmpPtr1
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bra .3
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.4 jmp SEND.UDP.FRAME.I
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.9 rts
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*--------------------------------------
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SKT.RCVDA
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sec
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rts
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*--------------------------------------
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SKT.RCVD
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sec
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rts
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*--------------------------------------
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SKT.CLOSE
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sec
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rts
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*--------------------------------------
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SKT.GETTABLE >LDYA L.SKT.TABLE
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clc
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rts
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*--------------------------------------
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SKT.GetA stz ZPPtrSKT+1
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asl
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rol ZPPtrSKT+1
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asl
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rol ZPPtrSKT+1
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asl
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rol ZPPtrSKT+1
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asl
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rol ZPPtrSKT+1
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adc L.SKT.TABLE
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sta ZPPtrSKT
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lda ZPPtrSKT+1
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adc L.SKT.TABLE+1
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sta ZPPtrSKT+1
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lda (ZPPtrSKT)
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beq .9
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rts CC
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.9 lda #ERR.SBAD
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sec
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rts
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*--------------------------------------
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MAN
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SAVE LIB/LIBTCPIP.S.SKT
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LOAD LIB/LIBTCPIP.S
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ASM
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