mirror of
https://github.com/A2osX/A2osX.git
synced 2024-08-14 13:29:02 +00:00
1068 lines
20 KiB
Plaintext
1068 lines
20 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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LOMEM $900
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INC 1
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AUTO 6
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.LIST OFF
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*/--------------------------------------
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* #SKT.New
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* Create a new socket
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* ##In :
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* PUSHW = PTR to S.SOCKET template
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* ##Out :
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* YA = PTR to new S.SOCKET
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* X = hSocket
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*\--------------------------------------
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SKT.New >PULLW ZPTmpPtr1
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ldy #S.SOCKET.SRC.PORT+1
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lda (ZPTmpPtr1),y
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dey
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ora (ZPTmpPtr1),y
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bne .1
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jsr GetDynPort
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sta (ZPTmpPtr1),y
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txa
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iny
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sta (ZPTmpPtr1),y
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.1 lda hSocketTable
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>SYSCALL GetMemPtrA
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>STYA ZPTmpPtr2
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lda #$ff
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sta TmpOffset to keep track of any free slot
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ldx #0
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.2 lda (ZPTmpPtr2)
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beq .4 empty!!!
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cmp (ZPTmpPtr1)
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bne .5 not same SKT type...try next
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ldy #S.SOCKET.SRC.ADDR
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.3 lda (ZPTmpPtr1),y
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cmp (ZPTmpPtr2),y
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bne .5
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iny
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cpy #S.SOCKET.DST.PORT+2
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bne .3
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lda #ERR.SKT.BUSY same one!!!!! busy...
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sec
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rts
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.4 lda TmpOffset
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bpl .5 already found an empty slot....
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>LDYA ZPTmpPtr2 found one...
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>STYA ZPTmpPtr3 save it!
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stx TmpOffset
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.5 lda ZPTmpPtr2
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clc
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adc #S.SOCKET
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sta ZPTmpPtr2
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bcc .6
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inc ZPTmpPtr2+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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lda TmpOffset Did we found an empty slot ?
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bmi .9
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ldy #S.SOCKET.TEMPLATE-1
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.7 lda (ZPTmpPtr1),y
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sta (ZPTmpPtr3),y
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dey
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bpl .7
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lda (ZPTmpPtr1)
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cmp #S.SOCKET.SOCK.STREAM
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bne .8
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ldy #S.SOCKET.SO
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lda (ZPTmpPtr1),y
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and #S.SOCKET.SO.ACCEPTCONN
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bne .8
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jsr SKT.New.TCP
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bcs .99
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.8 ldx TmpOffset
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>LDYA ZPTmpPtr3
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clc
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rts
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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.TCP ldy #S.SOCKET.SQ.INFREE
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lda #K.TCP.WSIZE
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sta (ZPTmpPtr3),y
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iny
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lda /K.TCP.WSIZE
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sta (ZPTmpPtr3),y
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ldy #S.SOCKET.SQ.OUTFREE
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lda #K.TCP.WSIZE
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sta (ZPTmpPtr3),y
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iny
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lda /K.TCP.WSIZE
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sta (ZPTmpPtr3),y
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lda #0
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ldy #S.SOCKET.SQ.INUSED
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sta (ZPTmpPtr3),y
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iny
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sta (ZPTmpPtr3),y
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ldy #S.SOCKET.SQ.OUTUSED
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sta (ZPTmpPtr3),y
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iny
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sta (ZPTmpPtr3),y
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ldx #3
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ldy #S.SOCKET.SQ.SEQNUM+3
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.2 lda A2osX.TIMER16,x
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sta (ZPTmpPtr3),y
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dey
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dex
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bpl .2
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>PUSHW 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.STREAM.hInMem
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sta (ZPTmpPtr3),y
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>PUSHW 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.STREAM.hOutMem
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sta (ZPTmpPtr3),y
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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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* ##In :
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* A = hSocket
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* ##Out :
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*\--------------------------------------
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SKT.CloseA cmp #K.SKTTABLE.SIZE
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bcs SKT.GetA.9
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jsr SKT.GetA.I
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bcs .9
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cmp #S.SOCKET.SOCK.DGRAM
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beq .8
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cmp #S.SOCKET.SOCK.RAW
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beq .8
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ldy #S.SOCKET.SO
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lda (ZPPtrSKT),y
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bit #S.SOCKET.SO.ACCEPTCONN
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beq *
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.8 lda #0
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sta (ZPPtrSKT)
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clc
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.9 rts
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*/--------------------------------------
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* #SKT.GetA
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* Get Ptr to socket
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* ##In :
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* A = hSocket
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* ##Out :
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* Y,A = pS.SOCKET
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*\--------------------------------------
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SKT.GetA cmp #K.SKTTABLE.SIZE
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bcs SKT.GetA.9
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jsr SKT.GetA.I
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bcs SKT.GetA.9
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>LDYA ZPPtrSKT
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rts
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SKT.GetA.I pha
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lda hSocketTable
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>SYSCALL GetMemPtrA
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>STYA ZPPtrSKT
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plx
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beq .8
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.1 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 .2
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inc ZPPtrSKT+1
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.2 dex
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bne .1
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.8 lda (ZPPtrSKT)
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beq SKT.GetA.9
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clc
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rts
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SKT.GetA.9 lda #ERR.SKT.BAD
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sec
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rts
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*/--------------------------------------
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* #SKT.GetTable
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* Get socket table
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* ##In :
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* ##Out :
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* Y,A = pS.SOCKET
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*\--------------------------------------
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SKT.GetTable lda hSocketTable
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>SYSCALL GetMemPtrA
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clc
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rts
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*/--------------------------------------
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* #SKT.AcceptA
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* Check for an incoming connection
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* ##In :
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* A = hListeningSocket
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* ##Out :
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* A = hSocket
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*\--------------------------------------
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SKT.AcceptA jsr SKT.GetA.I
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bcs .9
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ldy #S.SOCKET.SO
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lda (ZPPtrSKT),y
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and #S.SOCKET.SO.ACCEPTCONN
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beq .99
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ldy #S.SOCKET.HQ.TAIL
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lda (ZPPtrSKT),y
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ldy #S.SOCKET.HQ.HEAD
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cmp (ZPPtrSKT),y Queue Empty
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beq .9 CS
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pha save tail...
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inc
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cmp #S.SOCKET.HQ.MAX
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bne .1
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lda #0
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.1 ldy #S.SOCKET.HQ.TAIL
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sta (ZPPtrSKT),y
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pla
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clc
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adc #S.SOCKET.HQ
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tay
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lda (ZPPtrSKT),y
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clc
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rts
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.99 lda #ERR.SKT.BAD
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sec
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.9 rts
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*/--------------------------------------
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* #SKT.Write (DGRAM,STREAM,RAW)
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* Send block of data
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* ##In :
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* PUSHB = hSocket
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* PUSHW = pBuf
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* PUSHW = len
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* ##Out :
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* A = hFrame
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*\--------------------------------------
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SKT.Write >PULLW ZPDataInLen
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>PULLW ZPDataInPtr
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>PULLB hSocket
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jsr SKT.GetA.I
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bcs .9
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cmp #S.SOCKET.SOCK.DGRAM
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beq SKT.Write.UDP
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cmp #S.SOCKET.SOCK.STREAM
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bne .1
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ldy #S.SOCKET.SO
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lda (ZPPtrSKT),y
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and #S.SOCKET.SO.ACCEPTCONN
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bne .99
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jmp SKT.Write.TCP
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.1 cmp #S.SOCKET.SOCK.RAW
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bne .99
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jmp SKT.Write.RAW
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.99 lda #ERR.SKT.BAD
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sec
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.9 rts
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*--------------------------------------
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SKT.Write.UDP ldx #S.IP.PROTOCOL.UDP
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>LDYA ZPDataInLen
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jsr FRM.NewIP
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bcs .9
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jsr SKT.SetFrameOutDstIP
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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 (ZPFrameOutPtr),y
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iny
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txa
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sta (ZPFrameOutPtr),y
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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 (ZPFrameOutPtr),y
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iny
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txa
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sta (ZPFrameOutPtr),y
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jsr SKT.CopyDataInToOut
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jmp FRM.SendIP
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.9 rts
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*--------------------------------------
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SKT.Write.RAW ldy #S.SOCKET.RAW.PROTO
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lda (ZPPtrSKT),y
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tax
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>LDYA ZPDataInLen
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jsr FRM.NewIP
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bcs .9
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jsr SKT.SetFrameOutDstIP
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jsr SKT.CopyDataInToOut
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jmp FRM.SendIP
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.9 sec
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rts
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*--------------------------------------
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SKT.Write.TCP ldy #S.SOCKET.TCP.STATUS
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lda (ZPPtrSKT),y
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cmp #S.SOCKET.TCP.STATUS.ESTBLSH
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bne .91
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jsr SKT.AddDataToSktOut
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bcs .90
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jsr TCP.OUT try to push, ignore error....
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clc
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rts
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.90 lda #0 no data transfered
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sec
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rts
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.91 lda #MLI.ERR.IO
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sec
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.99 rts
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*/--------------------------------------
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* #SKT.ReadA (DGRAM,RAW)
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* ##In :
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* A = hSocket
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* ##Out :
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* A = hFrame
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*\--------------------------------------
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SKT.ReadA jsr SKT.GetA.I
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bcs .9
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ldy #S.SOCKET.HQ.TAIL
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lda (ZPPtrSKT),y
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tax
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ldy #S.SOCKET.HQ.HEAD
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cmp (ZPPtrSKT),y
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beq .99
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inc
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cmp #S.SOCKET.HQ.MAX
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bne .1
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lda #0
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.1 ldy #S.SOCKET.HQ.TAIL
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sta (ZPPtrSKT),y
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txa
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clc
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adc #S.SOCKET.HQ
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tay
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lda (ZPPtrSKT),y
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clc
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rts
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.99 sec
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.9 rts
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*/--------------------------------------
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* #SKT.PutC (STREAM)
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* Write a Char To Stream
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* ##In :
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* PUSHB = hSocket
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* PUSHB = Char
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* ##Out :
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* A = char
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*\--------------------------------------
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SKT.PutC sec
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rts
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*/--------------------------------------
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* #SKT.PutS (STREAM)
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* Write Line in pBuf
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* ##In :
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* PUSHB = hSocket
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* PUSHW = PSTR
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* ##Out :
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*\--------------------------------------
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SKT.PutS
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sec
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rts
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*/--------------------------------------
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* #SKT.GetCA (STREAM)
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* Read a Char From Stream in A
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* ##In :
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* A = hSocket
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* ##Out :
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* A = char
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*\--------------------------------------
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SKT.GetCA sec
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rts
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*/--------------------------------------
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* #SKT.GetS (STREAM)
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* Read a CR terminated Line in pBuf
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* ##In :
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* PUSHB = hSocket
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* PUSHW = pBuf
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* PUSHW = len
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* ##Out :
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* Y,A = bytes read
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*\--------------------------------------
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SKT.GetS sec
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.HS 90 bcc
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*/--------------------------------------
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* #SKT.Read (STREAM)
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* Read data in pBuf
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* ##In :
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* PUSHB = hSocket
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* PUSHW = pBuf
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* PUSHW = len
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* ##Out :
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* Y,A = bytes transfered
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*\--------------------------------------
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SKT.Read clc
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ror bTextMode
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>PULLW ZPDataOutLen
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>PULLW ZPDataOutPtr
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>PULLB hSocket
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jsr SKT.GetA.I
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bcs .99
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cmp #S.SOCKET.SOCK.STREAM
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bne .90 bad skt
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ldy #S.SOCKET.SO
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lda (ZPPtrSKT),y
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and #S.SOCKET.SO.ACCEPTCONN
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bne .90 Bad Skt
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ldy #S.SOCKET.TCP.STATUS
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lda (ZPPtrSKT),y
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cmp #S.SOCKET.TCP.STATUS.ESTBLSH
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bne .91 IO err
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jsr SKT.GetDataFromSktIn
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bcs .99 No data...
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>STYA TmpOffset
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ldy #S.SOCKET.SQ.ACKNUM
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lda (ZPPtrSKT),y
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clc
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adc TmpOffset
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sta (ZPPtrSKT),y
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iny
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lda (ZPPtrSKT),y
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adc TmpOffset+1
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sta (ZPPtrSKT),y
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iny
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lda (ZPPtrSKT),y
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adc #0
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sta (ZPPtrSKT),y
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iny
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lda (ZPPtrSKT),y
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adc #0
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sta (ZPPtrSKT),y
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ldy #S.SOCKET.TCP.OPTIONS
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lda (ZPPtrSKT),y
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ora #S.TCP.OPTIONS.ACK
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||
sta (ZPPtrSKT),y
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||
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>LDYA TmpOffset
|
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clc
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rts
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.90 lda #ERR.SKT.BAD
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||
sec
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||
rts
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||
.91 lda #MLI.ERR.IO
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sec
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||
.99 rts
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*--------------------------------------
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* PRIVATE
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*--------------------------------------
|
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* ZPPtrSKT -> actual socket
|
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* A = hSocket or hFrame
|
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*--------------------------------------
|
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SKT.AddToQueueA sta .2+1
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ldy #S.SOCKET.HQ.HEAD
|
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lda (ZPPtrSKT),y
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tax
|
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inc
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cmp #S.SOCKET.HQ.MAX
|
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bne .1
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lda #0
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.1 ldy #S.SOCKET.HQ.TAIL
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cmp (ZPPtrSKT),y
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beq .9 Queue full!!
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||
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ldy #S.SOCKET.HQ.HEAD
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sta (ZPPtrSKT),y
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||
txa
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clc
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||
adc #S.SOCKET.HQ
|
||
tay
|
||
|
||
.2 lda #$ff
|
||
sta (ZPPtrSKT),y
|
||
clc
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rts
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|
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.9 sec
|
||
rts
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*--------------------------------------
|
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* From TCP.IN
|
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* Src : A,X
|
||
* Dst : hOutMem/OUTTAIL
|
||
*--------------------------------------
|
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SKT.FreeDataFromSktOutAX
|
||
pha
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ldy #S.SOCKET.SQ.OUTTAIL
|
||
clc
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||
adc (ZPPtrSKT),y
|
||
sta (ZPPtrSKT),y
|
||
|
||
iny
|
||
txa
|
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adc (ZPPtrSKT),y
|
||
and /K.TCP.WSIZE-1
|
||
sta (ZPPtrSKT),y
|
||
|
||
pla
|
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sta .1+1
|
||
stx .2+1
|
||
|
||
ldy #S.SOCKET.SQ.OUTFREE
|
||
clc
|
||
adc (ZPPtrSKT),y
|
||
sta (ZPPtrSKT),y
|
||
|
||
iny
|
||
txa
|
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adc (ZPPtrSKT),y
|
||
sta (ZPPtrSKT),y
|
||
|
||
ldy #S.SOCKET.SQ.OUTUSED
|
||
sec
|
||
lda (ZPPtrSKT),y
|
||
.1 sbc #$ff
|
||
sta (ZPPtrSKT),y
|
||
|
||
iny
|
||
adc (ZPPtrSKT),y
|
||
.2 sbc #$ff
|
||
sta (ZPPtrSKT),y
|
||
|
||
rts
|
||
*--------------------------------------
|
||
* From TCP.IN
|
||
* Src : ZPDataInPtr/ZPDataInLen
|
||
* Dst : hInMem/INHEAD
|
||
*--------------------------------------
|
||
SKT.AddDataToSktIn
|
||
jsr SKT.GetTCB
|
||
|
||
ldx ZPDataInLen
|
||
cpx SKT.TCBCache+S.SOCKET.SQ.INFREE
|
||
lda ZPDataInLen+1
|
||
sbc SKT.TCBCache+S.SOCKET.SQ.INFREE+1
|
||
bcc .9 Not enough room in Q
|
||
|
||
lda SKT.TCBCache+S.SOCKET.STREAM.hInMem
|
||
>SYSCALL GetMemPtrA
|
||
>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
|
||
|
||
lda ZPTmpPtr1
|
||
clc
|
||
adc SKT.TCBCache+S.SOCKET.SQ.INHEAD
|
||
sta ZPTmpPtr2
|
||
|
||
lda ZPTmpPtr1+1
|
||
adc SKT.TCBCache+S.SOCKET.SQ.INHEAD+1
|
||
sta ZPTmpPtr2+1 Make ZPTmpPtr2=base+Tail
|
||
|
||
lda ZPDataInLen
|
||
eor #$FF
|
||
tax
|
||
|
||
lda ZPDataInLen+1
|
||
eor #$FF
|
||
pha
|
||
|
||
ldy #0
|
||
|
||
.1 inx
|
||
bne .2
|
||
pla
|
||
inc
|
||
beq .8
|
||
|
||
.2 lda (ZPDataInPtr),y
|
||
sta (ZPTmpPtr2)
|
||
iny
|
||
bne .3
|
||
inc ZPDataInPtr+1
|
||
|
||
.3 inc ZPTmpPtr2
|
||
bne .4
|
||
inc ZPTmpPtr2+1
|
||
|
||
.4 inc SKT.TCBCache+S.SOCKET.SQ.INHEAD
|
||
bne .1
|
||
inc SKT.TCBCache+S.SOCKET.SQ.INHEAD+1
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INHEAD+1
|
||
cmp /K.TCP.WSIZE
|
||
bne .1
|
||
stz SKT.TCBCache+S.SOCKET.SQ.INHEAD+1
|
||
|
||
lda ZPTmpPtr1 Dst Ptr=Buffer Base
|
||
sta ZPTmpPtr2
|
||
lda ZPTmpPtr1+1
|
||
sta ZPTmpPtr2+1
|
||
bra .1
|
||
|
||
.9 sec
|
||
rts
|
||
|
||
.8 lda SKT.TCBCache+S.SOCKET.SQ.INFREE
|
||
sec
|
||
sbc ZPDataInLen
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INFREE
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INFREE+1
|
||
sbc ZPDataInLen+1
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INFREE+1
|
||
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INUSED
|
||
clc
|
||
adc ZPDataInLen
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INUSED
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INUSED+1
|
||
adc ZPDataInLen+1
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INUSED+1
|
||
|
||
jsr SKT.StoreTCB
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
* From SKT.SEND.TCP
|
||
* Src : ZPDataInPtr/ZPDataInLen
|
||
* Dst : hOutMem/OUTHEAD
|
||
*--------------------------------------
|
||
SKT.AddDataToSktOut
|
||
jsr SKT.GetTCB
|
||
|
||
ldx ZPDataInLen
|
||
cpx SKT.TCBCache+S.SOCKET.SQ.OUTFREE
|
||
lda ZPDataInLen+1
|
||
sbc SKT.TCBCache+S.SOCKET.SQ.OUTFREE+1
|
||
bcc .9 Not enough room in Q
|
||
|
||
lda SKT.TCBCache+S.SOCKET.STREAM.hOutMem
|
||
>SYSCALL GetMemPtrA
|
||
>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
|
||
|
||
lda ZPTmpPtr1
|
||
clc
|
||
adc SKT.TCBCache+S.SOCKET.SQ.OUTHEAD
|
||
sta ZPTmpPtr2
|
||
|
||
lda ZPTmpPtr1+1
|
||
adc SKT.TCBCache+S.SOCKET.SQ.OUTHEAD+1
|
||
sta ZPTmpPtr2+1 Make ZPTmpPtr2=base+Tail
|
||
|
||
lda ZPDataInLen
|
||
eor #$FF
|
||
tax
|
||
|
||
lda ZPDataInLen+1
|
||
eor #$FF
|
||
pha
|
||
|
||
ldy #0
|
||
|
||
.1 inx
|
||
bne .2
|
||
pla
|
||
inc
|
||
beq .8
|
||
|
||
.2 lda (ZPDataInPtr),y
|
||
sta (ZPTmpPtr2)
|
||
iny
|
||
bne .3
|
||
inc ZPDataInPtr+1
|
||
|
||
.3 inc ZPTmpPtr2
|
||
bne .4
|
||
inc ZPTmpPtr2+1
|
||
|
||
.4 inc SKT.TCBCache+S.SOCKET.SQ.OUTHEAD
|
||
bne .1
|
||
inc SKT.TCBCache+S.SOCKET.SQ.OUTHEAD+1
|
||
lda SKT.TCBCache+S.SOCKET.SQ.OUTHEAD+1
|
||
cmp /K.TCP.WSIZE
|
||
bne .1
|
||
stz SKT.TCBCache+S.SOCKET.SQ.OUTHEAD+1
|
||
|
||
lda ZPTmpPtr1 Dst Ptr=Buffer Base
|
||
sta ZPTmpPtr2
|
||
lda ZPTmpPtr1+1
|
||
sta ZPTmpPtr2+1
|
||
bra .1
|
||
|
||
.9 sec
|
||
rts
|
||
|
||
.8 lda SKT.TCBCache+S.SOCKET.SQ.OUTFREE
|
||
sec
|
||
sbc ZPDataInLen
|
||
sta SKT.TCBCache+S.SOCKET.SQ.OUTFREE
|
||
lda SKT.TCBCache+S.SOCKET.SQ.OUTFREE+1
|
||
sbc ZPDataInLen+1
|
||
sta SKT.TCBCache+S.SOCKET.SQ.OUTFREE+1
|
||
|
||
lda SKT.TCBCache+S.SOCKET.SQ.OUTUSED
|
||
clc
|
||
adc ZPDataInLen
|
||
sta SKT.TCBCache+S.SOCKET.SQ.OUTUSED
|
||
lda SKT.TCBCache+S.SOCKET.SQ.OUTUSED+1
|
||
adc ZPDataInLen+1
|
||
sta SKT.TCBCache+S.SOCKET.SQ.OUTUSED+1
|
||
|
||
jsr SKT.StoreTCB
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
* From TCP.OUT
|
||
* Src : hOutMem/OUTTAIL
|
||
* Dst : ZPDataOutPtr/ZPDataOutLen
|
||
*--------------------------------------
|
||
SKT.GetDataFromSktOut
|
||
jsr SKT.GetTCB
|
||
|
||
lda SKT.TCBCache+S.SOCKET.STREAM.hOutMem
|
||
>SYSCALL GetMemPtrA
|
||
>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
|
||
|
||
lda ZPTmpPtr1
|
||
clc
|
||
adc SKT.TCBCache+S.SOCKET.SQ.OUTTAIL
|
||
sta ZPTmpPtr2
|
||
|
||
lda ZPTmpPtr1+1
|
||
adc SKT.TCBCache+S.SOCKET.SQ.OUTTAIL+1
|
||
sta ZPTmpPtr2+1
|
||
|
||
lda ZPDataOutLen
|
||
eor #$FF
|
||
tax
|
||
|
||
lda ZPDataOutLen+1
|
||
eor #$FF
|
||
pha
|
||
|
||
ldy #0
|
||
|
||
.1 inx
|
||
bne .2
|
||
pla
|
||
inc
|
||
beq .8
|
||
|
||
.2 lda (ZPTmpPtr2)
|
||
sta (ZPDataOutPtr),y
|
||
iny
|
||
bne .3
|
||
inc ZPDataOutPtr+1
|
||
|
||
.3 inc ZPTmpPtr2
|
||
bne .4
|
||
inc ZPTmpPtr2+1
|
||
|
||
.4 inc SKT.TCBCache+S.SOCKET.SQ.OUTTAIL
|
||
bne .1
|
||
inc SKT.TCBCache+S.SOCKET.SQ.OUTTAIL+1
|
||
lda SKT.TCBCache+S.SOCKET.SQ.OUTTAIL+1
|
||
cmp /K.TCP.WSIZE
|
||
bne .1
|
||
stz SKT.TCBCache+S.SOCKET.SQ.OUTTAIL+1
|
||
|
||
lda ZPTmpPtr1 Dst Ptr=Buffer Base
|
||
sta ZPTmpPtr2
|
||
lda ZPTmpPtr1+1
|
||
sta ZPTmpPtr2+1
|
||
bra .1
|
||
|
||
.8 clc
|
||
rts
|
||
*--------------------------------------
|
||
* From SKT.Read
|
||
* In:
|
||
* Src : hInMem/INTAIL
|
||
* Dst : ZPDataOutPtr/ZPDataOutLen
|
||
* CS : Text Mode
|
||
* CC : Binary Mode
|
||
* Out:
|
||
* Y,A = bytes read
|
||
*--------------------------------------
|
||
SKT.GetDataFromSktIn
|
||
ldy #S.SOCKET.STREAM.hInMem
|
||
lda (ZPPtrSKT),y
|
||
>SYSCALL GetMemPtrA
|
||
>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
|
||
|
||
jsr SKT.GetTCB
|
||
|
||
lda ZPTmpPtr1
|
||
clc
|
||
adc SKT.TCBCache+S.SOCKET.SQ.INTAIL
|
||
sta ZPTmpPtr2
|
||
|
||
lda ZPTmpPtr1+1
|
||
adc SKT.TCBCache+S.SOCKET.SQ.INTAIL+1
|
||
sta ZPTmpPtr2+1
|
||
|
||
lda ZPDataOutLen
|
||
eor #$FF
|
||
tax
|
||
|
||
lda ZPDataOutLen+1
|
||
eor #$FF
|
||
pha
|
||
|
||
stz ZPTmpPtr3 Reset byte counter
|
||
stz ZPTmpPtr3+1
|
||
|
||
ldy #0
|
||
|
||
.1 inx Check if room left in dest buffer
|
||
bne .2
|
||
pla
|
||
inc
|
||
beq .7
|
||
pha
|
||
|
||
.2 lda SKT.TCBCache+S.SOCKET.SQ.INTAIL
|
||
eor SKT.TCBCache+S.SOCKET.SQ.INHEAD
|
||
bne .3
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INTAIL+1
|
||
eor SKT.TCBCache+S.SOCKET.SQ.INHEAD+1
|
||
beq .8 no more data....
|
||
|
||
.3 lda (ZPTmpPtr2)
|
||
pha
|
||
|
||
inc SKT.TCBCache+S.SOCKET.SQ.INTAIL
|
||
bne .5
|
||
|
||
inc SKT.TCBCache+S.SOCKET.SQ.INTAIL+1
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INTAIL+1
|
||
cmp /K.TCP.WSIZE
|
||
bne .4
|
||
|
||
stz SKT.TCBCache+S.SOCKET.SQ.INTAIL+1
|
||
lda ZPTmpPtr1
|
||
sta ZPTmpPtr2
|
||
lda ZPTmpPtr1+1
|
||
sta ZPTmpPtr2+1
|
||
bra .5
|
||
|
||
.4 inc ZPTmpPtr2
|
||
bne .4
|
||
inc ZPTmpPtr2+1
|
||
|
||
.5 pla get back data....
|
||
|
||
bit bTextMode do we need to check CR ?
|
||
bpl .6
|
||
|
||
cmp #13
|
||
beq .8
|
||
|
||
.6 sta (ZPDataOutPtr),y
|
||
iny
|
||
bne .61
|
||
inc ZPDataOutPtr+1
|
||
|
||
.61 inc ZPTmpPtr3
|
||
bne .1
|
||
inc ZPTmpPtr3+1
|
||
|
||
bra .1
|
||
|
||
.7 bit bTextMode here, bacause dst buf full....
|
||
bmi .9 ....and TextMode selected, NO ending CR found
|
||
|
||
.8 pla discard byte counter HI
|
||
|
||
lda ZPTmpPtr3 Do we have transfered something?
|
||
eor ZPTmpPtr3+1
|
||
beq .9
|
||
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INFREE
|
||
clc
|
||
adc ZPTmpPtr3
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INFREE
|
||
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INFREE+1
|
||
adc ZPTmpPtr3+1
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INFREE+1
|
||
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INUSED
|
||
sec
|
||
sbc ZPTmpPtr3
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INUSED
|
||
|
||
lda SKT.TCBCache+S.SOCKET.SQ.INUSED+1
|
||
sbc ZPTmpPtr3+1
|
||
sta SKT.TCBCache+S.SOCKET.SQ.INUSED+1
|
||
|
||
jsr SKT.StoreTCB
|
||
>LDYA ZPTmpPtr3
|
||
clc
|
||
rts
|
||
|
||
.9 lda #0 NO DATA
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.GetTCB ldy #S.SOCKET-1
|
||
.1 lda (ZPPtrSKT),y
|
||
sta SKT.TCBCache,y
|
||
dey
|
||
bpl .1
|
||
rts
|
||
*--------------------------------------
|
||
SKT.StoreTCB ldy #S.SOCKET-1
|
||
.1 lda SKT.TCBCache,y
|
||
sta (ZPPtrSKT),y
|
||
dey
|
||
bpl .1
|
||
rts
|
||
*--------------------------------------
|
||
SKT.SetFrameOutDstIP
|
||
ldy #S.SOCKET.DST.ADDR
|
||
ldx #4
|
||
|
||
.1 lda (ZPPtrSKT),y
|
||
pha
|
||
iny
|
||
dex
|
||
bne .1
|
||
|
||
ldy #S.IP.DST+3
|
||
ldx #4
|
||
|
||
.2 pla
|
||
sta (ZPFrameOutPtr),y
|
||
dey
|
||
dex
|
||
bne .2
|
||
rts
|
||
*--------------------------------------
|
||
SKT.CopyDataInToOut
|
||
lda ZPDataInPtr+1
|
||
pha
|
||
lda ZPDataOutPtr+1
|
||
pha
|
||
|
||
lda ZPDataInLen
|
||
eor #$ff
|
||
tax
|
||
lda ZPDataInLen+1
|
||
eor #$ff
|
||
pha
|
||
|
||
ldy #0
|
||
|
||
.1 inx
|
||
bne .2
|
||
pla
|
||
inc
|
||
beq .9
|
||
pha
|
||
|
||
.2 lda (ZPDataInPtr),y
|
||
sta (ZPDataOutPtr),y
|
||
iny
|
||
bne .1
|
||
inc ZPDataInPtr+1
|
||
inc ZPDataOutPtr+1
|
||
bne .1
|
||
|
||
.9 pla
|
||
sta ZPDataOutPtr+1
|
||
pla
|
||
sta ZPDataInPtr+1
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE LIB/LIBTCPIP.S.SKT
|
||
LOAD LIB/LIBTCPIP.S
|
||
ASM
|