A2osX/SBIN/TELNETD.S.txt

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PR#3
PREFIX /A2OSX.BUILD
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NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BUILD/SBIN/TELNETD
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*--------------------------------------
.INB /A2OSX.BUILD/INC/MACROS.I
.INB /A2OSX.BUILD/INC/A2OSX.I
.INB /A2OSX.BUILD/INC/LIBTCPIP.I
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*--------------------------------------
TIMEOUT.MAX .EQ 30 30 sec.
CONN.MAX .EQ 16
*--------------------------------------
ZPIPCfgPtr .EQ ZPBIN
ZPSktPtr .EQ ZPBIN+2
*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
CS.START cld
jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
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.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #64 SS
.DA #4 ZP SS
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.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
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.1 .DA CS.INIT
.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.LIBTCPIP .DA LIBTCPIP
L.Socket .DA Socket
L.MSG.TCPWAIT .DA MSG.TCPWAIT
L.MSG.INITOK .DA MSG.INITOK
L.MSG.TCPIPERR .DA MSG.TCPIPERR
L.MSG.SKTERR .DA MSG.SKTERR
L.MSG.ABORT .DA MSG.ABORT
L.MSG.INCOMING .DA MSG.INCOMING
L.MSG.BYTE .DA MSG.BYTE
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.DA 0
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*--------------------------------------
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CS.INIT >LDYA L.LIBTCPIP
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>SYSCALL LoadLib.YA
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sta hLIBTCPIP
lda (pPs)
ora #S.PS.F.EVENT Now accept events
sta (pPs)
clc
rts
*--------------------------------------
CS.RUN jsr Init.Timeout
>LDYA L.MSG.TCPWAIT
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>SYSCALL printf
.1 >LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG is TCPIP loaded ?
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bcs .99
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.INIT
>SLEEP
jsr Wait.Timeout
bcc .1
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>SYSCALL GetChar
bcs .1
cmp #$03
bne .1
jmp CS.RUN.ABORT
.99 >LDYA L.MSG.TCPIPERR
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>SYSCALL printf
lda #K.E.SYN
sec
rts
CS.RUN.INIT ldx #3
ldy #S.IPCFG.IP+3
.1 lda (ZPIPCfgPtr),y
sta Socket.Src.Addr,x
dey
dex
bpl .1
>PUSHW L.Socket
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.New
bcs .9
txa
ldy #hSrvSocket
sta (pData),y
>LDYA L.MSG.INITOK
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>SYSCALL printf
.2 >SLEEP
jsr CS.RUN.SERVER
bcs CS.RUN.ERR
jsr CS.RUN.CLIENT
bra .2
.9 >LDYA L.MSG.SKTERR
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>SYSCALL printf
lda #K.E.SYN
sec
rts
CS.RUN.ABORT >LDYA L.MSG.ABORT
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>SYSCALL printf
lda #0
CS.RUN.ERR sec
rts
*--------------------------------------
CS.RUN.SERVER ldy #hSrvSocket
lda (pData),y
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.AcceptA
bcs .8
pha
ldy #hSockets
ldx #CONN.MAX
.1 lda (pData),y
beq .2
iny
dex
bne .1
pla
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CloseA
bra .8
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.2 pla
sta (pData),y
sta .4+1
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.GetA
>STYA ZPSktPtr
ldx #3
ldy #S.SOCKET.DST.ADDR+3
.3 >PUSHB (ZPSktPtr),y
dey
dex
bpl .3
.4 lda #$ff
>PUSHA
>LDYA L.MSG.INCOMING
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>SYSCALL printf
.8 clc
.9 rts
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*--------------------------------------
CS.RUN.CLIENT ldy #SktIndex
lda (pData),y
tay
lda (pData),y hSockets
beq .8
sta .1+1 hSocket
sta .3+1
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.GetC.A
bcc .10
tax
beq .8 NO DATA
cmp #ERR.SKT.BAD
bne .8
ldy #SktIndex
lda (pData),y
tay
lda #0
sta (pData),y
bra .8
.10 sta .2+1
>PUSHA
>LDYA L.MSG.BYTE
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>SYSCALL printf
.1 lda #$ff hSocket
>PUSHA
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.2 lda #$ff data
and #$7F
ora #$20
>PUSHA
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.PutC
.3 lda #$ff hSocket
>PUSHA
lda #'/'
>PUSHA
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.PutC
.8 ldy #SktIndex
lda (pData),y
inc
cmp #CONN.MAX
bne .81
lda #0
.81 sta (pData),y
clc
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rts
*--------------------------------------
CS.DOEVENT sec
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rts
*--------------------------------------
CS.QUIT ldx #CONN.MAX
ldy #hSockets
.1 lda (pData),y
beq .2
phx
phy
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CLOSEA
ply
plx
.2 iny
dex
bne .1
ldy #hSrvSocket
lda (pData),y
beq .3
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CLOSEA
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.3 lda hLIBTCPIP
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>SYSCALL UnloadLib.A
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clc
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rts
*--------------------------------------
Init.Timeout ldy #TimeOut
lda #TIMEOUT.MAX
sta (pData),y
rts
*--------------------------------------
Wait.TimeOut sec
ldy #TimeOut
lda (pData),y
beq .9
clc
.9 rts
*--------------------------------------
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CS.END
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*--------------------------------------
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LIBTCPIP .AZ "libtcpip.o"
MSG.TCPWAIT .AZ "TELNETD:Waiting for TCP/IP initializing...\r\n"
MSG.INITOK .AZ "TELNETD:Init Ok, Listening.\r\n"
MSG.TCPIPERR .AZ "TELNETD:TCP/IP Not initialized properly\r\n"
MSG.SKTERR .AZ "TELNETD:Listen Error\r\n"
MSG.ABORT .AZ "TELNETD:User Aborted\r\n"
MSG.INCOMING .AZ "TELNETD:Incoming Connection [SKT=%h] From : %d.%d.%d.%d\r\n"
MSG.BYTE .AZ "[%h]"
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hLIBTCPIP .BS 1
*--------------------------------------
Socket .DA #S.SOCKET.SOCK.STREAM
.DA #S.SOCKET.SO.ACCEPTCONN
.DA #S.SOCKET.TCP.STATUS.LISTEN
.BS 1
Socket.Src.Addr .BS 4
Socket.Src.Port .DA 23
Socket.Dst.Addr .BS 4
Socket.Dst.Port .BS 2
*--------------------------------------
.DUMMY
.OR 0
DS.START
hSockets .BS CONN.MAX pData
SktIndex .BS 1
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hSrvSocket .BS 1
TimeOut .BS 1
DS.END
.ED
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*--------------------------------------
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MAN
SAVE /A2OSX.SRC/SBIN/TELNETD.S
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ASM