mirror of
https://github.com/A2osX/A2osX.git
synced 2024-12-26 11:30:07 +00:00
Kernel version 0.9 : TCP, bugfix in TCP.OUT new ACK computation
This commit is contained in:
Rémy GIBERT
parent
c851c10d52
commit
68110dc42a
BIN
A2OSX.BOOT.po
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A2OSX.BOOT.po
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A2OSX.DEV.po
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A2OSX.DEV.po
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A2OSX.SRC.po
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A2OSX.SRC.po
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@ -179,7 +179,8 @@ S.TCB.OUTUSED .EQ 10
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S.TCB.INFREE .EQ 12
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S.TCB.OUTFREE .EQ 14
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S.TCB.SEQNUM .EQ 16
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S.TCB.ACKNUM .EQ 20
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S.TCB.NEXTSEQNUM .EQ 20
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S.TCB.ACKNUM .EQ 24
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*
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S.TCB .EQ 32
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*--------------------------------------
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@ -95,7 +95,7 @@ SKT.New.Listen sec
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and #S.SOCKET.SO.ACCEPTCONN
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bne .8
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jsr SKT.New.TCB
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jsr SKT.NewTCB
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bcs .99
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.71 lda #$ff
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@ -120,65 +120,6 @@ SKT.New.Listen sec
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.9 lda #ERR.SKT.OOS
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sec
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.99 rts
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*--------------------------------------
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SKT.New.TCB >PUSHWI S.TCB
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>PUSHBI 0
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>SYSCALL GetMem
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bcs .9
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>STYA .4+1
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txa
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ldy #S.SOCKET.SQ.hTCB
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sta (ZPTmpPtr3),y
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ldx #S.TCB.OUTUSED+1
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.1 stz SKT.TCBCache,x
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dex
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bpl .1
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lda #K.TCP.WSIZE
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sta SKT.TCBCache+S.TCB.INFREE
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sta SKT.TCBCache+S.TCB.OUTFREE
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lda /K.TCP.WSIZE
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sta SKT.TCBCache+S.TCB.INFREE+1
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sta SKT.TCBCache+S.TCB.OUTFREE+1
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ldx #3
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.2 lda A2osX.TIMER16,x
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sta SKT.TCBCache+S.TCB.SEQNUM,x
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dex
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bpl .2
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>PUSHWI K.TCP.WSIZE
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>PUSHBI 0
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>SYSCALL GetMem
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bcs .9
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txa
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ldy #S.SOCKET.SQ.hInMem
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sta (ZPTmpPtr3),y
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>PUSHWI K.TCP.WSIZE
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>PUSHBI 0
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>SYSCALL GetMem
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bcs .9
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txa
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ldy #S.SOCKET.SQ.hOutMem
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sta (ZPTmpPtr3),y
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ldx #S.TCB-1
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.3 lda SKT.TCBCache,x
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.4 sta $ffff,x
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dex
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bpl .3
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clc
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.9 rts
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*/--------------------------------------
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* #SKT.CloseA
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* Close socket
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@ -671,57 +612,6 @@ SKT.AddToQueueA sta .2+1
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rts
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*--------------------------------------
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* From TCP.IN
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* Src : A,X
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* Dst : hOutMem/OUTTAIL
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*--------------------------------------
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SKT.AckDataToSktOut
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ldy #S.TCP.ACK.NUMBER+3 Get new ACK number from FrameIn...
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ldx #3 Substract old ACK from socket
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sec
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.1 lda (ZPFrameInPtr),y
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pha
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sbc SKT.TCBCache+S.TCB.ACKNUM,x
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sta TmpDWord,x
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pla
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sta SKT.TCBCache+S.TCB.ACKNUM,x
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dey
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dex
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bpl .1
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lda SKT.TCBCache+S.TCB.OUTTAIL
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clc
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adc TmpDWord
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sta SKT.TCBCache+S.TCB.OUTTAIL
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lda SKT.TCBCache+S.TCB.OUTTAIL+1
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adc TmpDWord+1
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and /K.TCP.WSIZE-1
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sta SKT.TCBCache+S.TCB.OUTTAIL+1
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lda SKT.TCBCache+S.TCB.OUTFREE
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clc
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adc TmpDWord
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sta SKT.TCBCache+S.TCB.OUTFREE
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lda SKT.TCBCache+S.TCB.OUTFREE+1
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adc TmpDWord+1
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sta SKT.TCBCache+S.TCB.OUTFREE+1
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lda SKT.TCBCache+S.TCB.OUTUSED
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sec
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sbc TmpDWord
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sta SKT.TCBCache+S.TCB.OUTUSED
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lda SKT.TCBCache+S.TCB.OUTUSED+1
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sbc TmpDWord+1
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sta SKT.TCBCache+S.TCB.OUTUSED+1
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clc
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rts
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*--------------------------------------
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* From TCP.IN
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* Src : ZPDataInPtr/ZPDataInLen
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* Dst : hInMem/INHEAD
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*--------------------------------------
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@ -809,192 +699,6 @@ SKT.AddDataToSktIn
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jmp SKT.StoreTCB
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*--------------------------------------
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* From SKT.Write.TCP
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* Src : ZPDataInPtr/ZPDataInLen
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* Dst : hOutMem/OUTHEAD
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*--------------------------------------
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SKT.AddDataToSktOut
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jsr SKT.GetTCB
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ldx ZPDataInLen
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cpx SKT.TCBCache+S.TCB.OUTFREE
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lda ZPDataInLen+1
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sbc SKT.TCBCache+S.TCB.OUTFREE+1
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bcc .9 Not enough room in Q
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ldy #S.SOCKET.SQ.hOutMem
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lda (ZPPtrSKT),y
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>SYSCALL GetMemPtrA
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>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
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lda ZPTmpPtr1
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clc
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adc SKT.TCBCache+S.TCB.OUTHEAD
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sta ZPTmpPtr2
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lda ZPTmpPtr1+1
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adc SKT.TCBCache+S.TCB.OUTHEAD+1
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sta ZPTmpPtr2+1 Make ZPTmpPtr2=base+Tail
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lda ZPDataInLen
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eor #$FF
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tax
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lda ZPDataInLen+1
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eor #$FF
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pha
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ldy #0
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.1 inx
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bne .2
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pla
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inc
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beq .8
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pha
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.2 lda (ZPDataInPtr),y
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sta (ZPTmpPtr2)
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iny
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bne .3
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inc ZPDataInPtr+1
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.3 inc ZPTmpPtr2
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bne .4
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inc ZPTmpPtr2+1
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.4 inc SKT.TCBCache+S.TCB.OUTHEAD
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bne .1
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inc SKT.TCBCache+S.TCB.OUTHEAD+1
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lda SKT.TCBCache+S.TCB.OUTHEAD+1
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cmp /K.TCP.WSIZE
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bne .1
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stz SKT.TCBCache+S.TCB.OUTHEAD+1
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lda ZPTmpPtr1 Dst Ptr=Buffer Base
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sta ZPTmpPtr2
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lda ZPTmpPtr1+1
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sta ZPTmpPtr2+1
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bra .1
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.9 sec
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rts
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.8 lda SKT.TCBCache+S.TCB.OUTFREE
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sec
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sbc ZPDataInLen
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sta SKT.TCBCache+S.TCB.OUTFREE
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lda SKT.TCBCache+S.TCB.OUTFREE+1
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sbc ZPDataInLen+1
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sta SKT.TCBCache+S.TCB.OUTFREE+1
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lda SKT.TCBCache+S.TCB.OUTUSED
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clc
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adc ZPDataInLen
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sta SKT.TCBCache+S.TCB.OUTUSED
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lda SKT.TCBCache+S.TCB.OUTUSED+1
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adc ZPDataInLen+1
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sta SKT.TCBCache+S.TCB.OUTUSED+1
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jmp SKT.StoreTCB
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*--------------------------------------
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* From TCP.OUT
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* Src : hOutMem/OUTTAIL
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* Dst : ZPDataOutPtr/ZPDataOutLen
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*--------------------------------------
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SKT.GetDataFromSktOut
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ldy #S.SOCKET.SQ.hOutMem
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lda (ZPPtrSKT),y
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>SYSCALL GetMemPtrA
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>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
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lda ZPTmpPtr1
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clc
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adc SKT.TCBCache+S.TCB.OUTTAIL
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sta ZPTmpPtr2
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lda ZPTmpPtr1+1
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adc SKT.TCBCache+S.TCB.OUTTAIL+1
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sta ZPTmpPtr2+1
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lda ZPDataOutLen
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eor #$FF
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tax
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lda ZPDataOutLen+1
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eor #$FF
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pha
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ldy #0
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.1 inx
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bne .2
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pla
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inc
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beq .5
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pha
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.2 lda (ZPTmpPtr2)
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sta (ZPDataOutPtr),y
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iny
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bne .3
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inc ZPDataOutPtr+1
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.3 inc ZPTmpPtr2
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bne .4
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inc ZPTmpPtr2+1
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.4 inc SKT.TCBCache+S.TCB.OUTTAIL
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bne .1
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inc SKT.TCBCache+S.TCB.OUTTAIL+1
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lda SKT.TCBCache+S.TCB.OUTTAIL+1
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cmp /K.TCP.WSIZE
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bne .1
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stz SKT.TCBCache+S.TCB.OUTTAIL+1
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lda ZPTmpPtr1 Dst Ptr=Buffer Base
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sta ZPTmpPtr2
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lda ZPTmpPtr1+1
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sta ZPTmpPtr2+1
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bra .1
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.5 lda SKT.TCBCache+S.TCB.OUTFREE
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clc
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adc ZPDataOutLen
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sta SKT.TCBCache+S.TCB.OUTFREE
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lda SKT.TCBCache+S.TCB.OUTFREE+1
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adc ZPDataOutLen+1
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sta SKT.TCBCache+S.TCB.OUTFREE+1
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lda SKT.TCBCache+S.TCB.OUTUSED
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sec
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sbc ZPDataOutLen
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sta SKT.TCBCache+S.TCB.OUTUSED
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lda SKT.TCBCache+S.TCB.OUTUSED+1
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sbc ZPDataOutLen+1
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sta SKT.TCBCache+S.TCB.OUTUSED+1
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lda SKT.TCBCache+S.TCB.SEQNUM+3
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clc
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adc ZPDataOutLen
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sta SKT.TCBCache+S.TCB.SEQNUM+3
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lda SKT.TCBCache+S.TCB.SEQNUM+2
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adc ZPDataOutLen+1
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sta SKT.TCBCache+S.TCB.SEQNUM+2
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bcc .8
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inc SKT.TCBCache+S.TCB.SEQNUM+1
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bne .8
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inc SKT.TCBCache+S.TCB.SEQNUM
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.8 clc
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rts
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*--------------------------------------
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* From SKT.Read
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* In:
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* Src : hInMem/INTAIL
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@ -1153,6 +857,309 @@ SKT.GetDataFromSktIn
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sec
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rts
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*--------------------------------------
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* From SKT.Write.TCP
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* Src : ZPDataInPtr/ZPDataInLen
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* Dst : hOutMem/OUTHEAD
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*--------------------------------------
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SKT.AddDataToSktOut
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jsr SKT.GetTCB
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ldx ZPDataInLen
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cpx SKT.TCBCache+S.TCB.OUTFREE
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lda ZPDataInLen+1
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sbc SKT.TCBCache+S.TCB.OUTFREE+1
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bcc .9 Not enough room in Q
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ldy #S.SOCKET.SQ.hOutMem
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lda (ZPPtrSKT),y
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>SYSCALL GetMemPtrA
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>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
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lda ZPTmpPtr1
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clc
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adc SKT.TCBCache+S.TCB.OUTHEAD
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sta ZPTmpPtr2
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lda ZPTmpPtr1+1
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adc SKT.TCBCache+S.TCB.OUTHEAD+1
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sta ZPTmpPtr2+1 Make ZPTmpPtr2=base+Tail
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lda ZPDataInLen
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eor #$FF
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tax
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lda ZPDataInLen+1
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eor #$FF
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pha
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ldy #0
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.1 inx
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bne .2
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pla
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inc
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beq .8
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pha
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.2 lda (ZPDataInPtr),y
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sta (ZPTmpPtr2)
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iny
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bne .3
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inc ZPDataInPtr+1
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.3 inc ZPTmpPtr2
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bne .4
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inc ZPTmpPtr2+1
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.4 inc SKT.TCBCache+S.TCB.OUTHEAD
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bne .1
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inc SKT.TCBCache+S.TCB.OUTHEAD+1
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lda SKT.TCBCache+S.TCB.OUTHEAD+1
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cmp /K.TCP.WSIZE
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bne .1
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stz SKT.TCBCache+S.TCB.OUTHEAD+1
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lda ZPTmpPtr1 Dst Ptr=Buffer Base
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sta ZPTmpPtr2
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lda ZPTmpPtr1+1
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sta ZPTmpPtr2+1
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bra .1
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.9 sec
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rts
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.8 lda SKT.TCBCache+S.TCB.OUTFREE
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sec
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sbc ZPDataInLen
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sta SKT.TCBCache+S.TCB.OUTFREE
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lda SKT.TCBCache+S.TCB.OUTFREE+1
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sbc ZPDataInLen+1
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sta SKT.TCBCache+S.TCB.OUTFREE+1
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lda SKT.TCBCache+S.TCB.OUTUSED
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clc
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adc ZPDataInLen
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sta SKT.TCBCache+S.TCB.OUTUSED
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lda SKT.TCBCache+S.TCB.OUTUSED+1
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adc ZPDataInLen+1
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sta SKT.TCBCache+S.TCB.OUTUSED+1
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jmp SKT.StoreTCB
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*--------------------------------------
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* From TCP.OUT
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* Src : hOutMem/OUTTAIL
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* Dst : ZPDataOutPtr/ZPDataOutLen
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*--------------------------------------
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SKT.GetDataFromSktOut
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ldy #S.SOCKET.SQ.hOutMem
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lda (ZPPtrSKT),y
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>SYSCALL GetMemPtrA
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>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
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lda SKT.TCBCache+S.TCB.OUTTAIL
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sta ZPTmpPtr3 Make ZPTmpPtr3=actual TAIL
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clc
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adc ZPTmpPtr1
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sta ZPTmpPtr2 Make ZPTmpPtr2=buffer base+TAIL
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lda SKT.TCBCache+S.TCB.OUTTAIL+1
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sta ZPTmpPtr3+1
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adc ZPTmpPtr1+1
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sta ZPTmpPtr2+1
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lda ZPDataOutLen
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eor #$FF
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tax
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lda ZPDataOutLen+1
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eor #$FF
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pha
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ldy #0
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.1 inx
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bne .2
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pla
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inc
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beq .8
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pha
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.2 lda (ZPTmpPtr2)
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sta (ZPDataOutPtr),y
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iny
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bne .3
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inc ZPDataOutPtr+1
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.3 inc ZPTmpPtr2
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bne .4
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inc ZPTmpPtr2+1
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.4 inc ZPTmpPtr3
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bne .1
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inc ZPTmpPtr3+1
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lda ZPTmpPtr3+1
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cmp /K.TCP.WSIZE
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bne .1
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stz ZPTmpPtr3+1
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lda ZPTmpPtr1 Dst Ptr=Buffer Base
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sta ZPTmpPtr2
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lda ZPTmpPtr1+1
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sta ZPTmpPtr2+1
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bra .1
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.8 clc
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rts
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* SKT.AckDataToSktOut should update these values
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.5 lda SKT.TCBCache+S.TCB.SEQNUM+3
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clc
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adc ZPDataOutLen
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sta SKT.TCBCache+S.TCB.NEXTSEQNUM+3
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lda SKT.TCBCache+S.TCB.SEQNUM+2
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adc ZPDataOutLen+1
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sta SKT.TCBCache+S.TCB.NEXTSEQNUM+2
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lda SKT.TCBCache+S.TCB.SEQNUM+1
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adc #0
|
||||
sta SKT.TCBCache+S.TCB.NEXTSEQNUM+1
|
||||
|
||||
lda SKT.TCBCache+S.TCB.SEQNUM
|
||||
adc #0
|
||||
sta SKT.TCBCache+S.TCB.NEXTSEQNUM
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTFREE
|
||||
clc
|
||||
adc ZPDataOutLen
|
||||
sta SKT.TCBCache+S.TCB.OUTFREE
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTFREE+1
|
||||
adc ZPDataOutLen+1
|
||||
sta SKT.TCBCache+S.TCB.OUTFREE+1
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTUSED
|
||||
sec
|
||||
sbc ZPDataOutLen
|
||||
sta SKT.TCBCache+S.TCB.OUTUSED
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTUSED+1
|
||||
sbc ZPDataOutLen+1
|
||||
sta SKT.TCBCache+S.TCB.OUTUSED+1
|
||||
|
||||
*--------------------------------------
|
||||
* From TCP.IN
|
||||
* Src : A,X
|
||||
* Dst : hOutMem/OUTTAIL
|
||||
*--------------------------------------
|
||||
SKT.AckDataToSktOut
|
||||
ldy #S.TCP.ACK.NUMBER+3 Get new ACK number from FrameIn...
|
||||
ldx #3 Substract old SEQ from socket
|
||||
|
||||
sec
|
||||
|
||||
.1 lda (ZPFrameInPtr),y
|
||||
pha
|
||||
sbc SKT.TCBCache+S.TCB.SEQNUM,x
|
||||
sta TmpDWord,x
|
||||
pla ....and Set SEQ = new ACK
|
||||
sta SKT.TCBCache+S.TCB.SEQNUM,x
|
||||
dey
|
||||
dex
|
||||
bpl .1
|
||||
|
||||
lda TmpDWord
|
||||
ldx TmpDWord+1
|
||||
bne .2
|
||||
tay
|
||||
beq .8
|
||||
|
||||
.2 clc
|
||||
adc SKT.TCBCache+S.TCB.OUTTAIL
|
||||
sta SKT.TCBCache+S.TCB.OUTTAIL
|
||||
|
||||
txa
|
||||
adc SKT.TCBCache+S.TCB.OUTTAIL+1
|
||||
and /K.TCP.WSIZE-1
|
||||
sta SKT.TCBCache+S.TCB.OUTTAIL+1
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTFREE
|
||||
clc
|
||||
adc TmpDWord
|
||||
sta SKT.TCBCache+S.TCB.OUTFREE
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTFREE+1
|
||||
adc TmpDWord+1
|
||||
sta SKT.TCBCache+S.TCB.OUTFREE+1
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTUSED
|
||||
sec
|
||||
sbc TmpDWord
|
||||
sta SKT.TCBCache+S.TCB.OUTUSED
|
||||
|
||||
lda SKT.TCBCache+S.TCB.OUTUSED+1
|
||||
sbc TmpDWord+1
|
||||
sta SKT.TCBCache+S.TCB.OUTUSED+1
|
||||
.8 rts
|
||||
*--------------------------------------
|
||||
SKT.NewTCB >PUSHWI S.TCB
|
||||
>PUSHBI S.MEM.F.INIT0
|
||||
>SYSCALL GetMem
|
||||
bcs .9
|
||||
|
||||
>STYA .4+1
|
||||
txa
|
||||
|
||||
ldy #S.SOCKET.SQ.hTCB
|
||||
sta (ZPTmpPtr3),y
|
||||
|
||||
lda #K.TCP.WSIZE
|
||||
sta SKT.TCBCache+S.TCB.INFREE
|
||||
sta SKT.TCBCache+S.TCB.OUTFREE
|
||||
lda /K.TCP.WSIZE
|
||||
sta SKT.TCBCache+S.TCB.INFREE+1
|
||||
sta SKT.TCBCache+S.TCB.OUTFREE+1
|
||||
|
||||
ldx #3
|
||||
|
||||
.2 lda A2osX.TIMER16,x
|
||||
sta SKT.TCBCache+S.TCB.SEQNUM,x
|
||||
sta SKT.TCBCache+S.TCB.NEXTSEQNUM,x
|
||||
dex
|
||||
bpl .2
|
||||
|
||||
>PUSHWI K.TCP.WSIZE
|
||||
>PUSHBI 0
|
||||
>SYSCALL GetMem
|
||||
bcs .9
|
||||
txa
|
||||
|
||||
ldy #S.SOCKET.SQ.hInMem
|
||||
sta (ZPTmpPtr3),y
|
||||
|
||||
>PUSHWI K.TCP.WSIZE
|
||||
>PUSHBI 0
|
||||
>SYSCALL GetMem
|
||||
bcs .9
|
||||
txa
|
||||
|
||||
ldy #S.SOCKET.SQ.hOutMem
|
||||
sta (ZPTmpPtr3),y
|
||||
|
||||
ldx #S.TCB-1
|
||||
|
||||
.3 lda SKT.TCBCache,x
|
||||
.4 sta $ffff,x
|
||||
dex
|
||||
bpl .3
|
||||
|
||||
clc
|
||||
.9 rts
|
||||
*--------------------------------------
|
||||
SKT.GetTCB ldy #S.SOCKET.SQ.hTCB
|
||||
lda (ZPPtrSKT),y
|
||||
>SYSCALL GetMemPtrA
|
||||
@ -1181,6 +1188,26 @@ SKT.StoreTCB ldy #S.SOCKET.SQ.hTCB
|
||||
bpl .1
|
||||
rts
|
||||
*--------------------------------------
|
||||
SKT.Destroy ldy #S.SOCKET.SQ.hOutMem
|
||||
lda (ZPPtrSKT),y
|
||||
beq .1
|
||||
>SYSCALL FreeMemA
|
||||
|
||||
.1 ldy #S.SOCKET.SQ.hInMem
|
||||
lda (ZPPtrSKT),y
|
||||
beq .2
|
||||
>SYSCALL FreeMemA
|
||||
|
||||
.2 ldy #S.SOCKET.SQ.hTCB
|
||||
lda (ZPPtrSKT),y
|
||||
beq .3
|
||||
>SYSCALL FreeMemA
|
||||
|
||||
.3 lda #0
|
||||
sta (ZPPtrSKT)
|
||||
clc
|
||||
rts
|
||||
*--------------------------------------
|
||||
SKT.SetFrameOutDstIP
|
||||
ldy #S.SOCKET.DST.ADDR
|
||||
ldx #4
|
||||
|
||||
@ -90,10 +90,7 @@ TCP.IN jsr IP.FillSKT.TemplateSrcDst
|
||||
.9 clc Discard frame
|
||||
rts
|
||||
*--------------------------------------
|
||||
TCP.IN.RST lda #0
|
||||
sta (ZPPtrSKT)
|
||||
clc
|
||||
rts
|
||||
TCP.IN.RST jmp SKT.Destroy
|
||||
*--------------------------------------
|
||||
TCP.IN.JMP.LISTEN
|
||||
lda #S.SOCKET.SOCK.STREAM
|
||||
@ -258,23 +255,7 @@ TCP.IN.JMP.LASTACK
|
||||
cmp #S.TCP.OPTIONS.ACK
|
||||
bne .8
|
||||
|
||||
ldy #S.SOCKET.SQ.hOutMem
|
||||
lda (ZPPtrSKT),y
|
||||
beq .1
|
||||
>SYSCALL FreeMemA
|
||||
|
||||
.1 ldy #S.SOCKET.SQ.hInMem
|
||||
lda (ZPPtrSKT),y
|
||||
beq .2
|
||||
>SYSCALL FreeMemA
|
||||
|
||||
.2 ldy #S.SOCKET.SQ.hTCB
|
||||
lda (ZPPtrSKT),y
|
||||
beq .3
|
||||
>SYSCALL FreeMemA
|
||||
|
||||
.3 lda #0
|
||||
sta (ZPPtrSKT)
|
||||
jmp SKT.Destroy
|
||||
|
||||
.8 clc
|
||||
rts
|
||||
@ -408,8 +389,8 @@ TCP.OUT.SYNACK >LDYAI 0
|
||||
*--------------------------------------
|
||||
TCP.OUT jsr SKT.GetTCB
|
||||
|
||||
TCP.OUT.I lda SKT.TCBCache+S.TCB.OUTUSED+1
|
||||
ldy SKT.TCBCache+S.TCB.OUTUSED
|
||||
TCP.OUT.I ldy SKT.TCBCache+S.TCB.OUTUSED
|
||||
lda SKT.TCBCache+S.TCB.OUTUSED+1
|
||||
|
||||
bne .1
|
||||
|
||||
@ -442,10 +423,10 @@ TCP.OUT.I lda SKT.TCBCache+S.TCB.OUTUSED+1
|
||||
ldy #S.TCP.OPTIONS
|
||||
sta (ZPFrameOutPtr),y
|
||||
|
||||
ldx #7
|
||||
ldy #S.TCP.SEQ.NUMBER+7
|
||||
ldx #3
|
||||
ldy #S.TCP.ACK.NUMBER+3
|
||||
|
||||
.3 lda SKT.TCBCache+S.TCB.SEQNUM,x
|
||||
.3 lda SKT.TCBCache+S.TCB.ACKNUM,x
|
||||
sta (ZPFrameOutPtr),y
|
||||
dey
|
||||
dex
|
||||
|
||||
Loading…
Reference in New Issue
Block a user