A2osX/BIN/TELNET.S.txt
2020-08-17 22:47:31 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/telnet
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/eth.i
.INB inc/libtcpip.i
.INB inc/net.telnet.i
*--------------------------------------
TIMEOUT.MAX .EQ 200 20 sec.
BUFSIZE .EQ 256
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPIPCfgPtr .BS 2
ZPBufPtr .BS 2
ZPBufLen .BS 2
hBuf .BS 1
hSocket .BS 1
TimeOut .BS 1
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #S.PS.F.EVENT S.PS.F
.DA #0
.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data Segment Size
.DA #64 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.LIBTCPIP .DA LIBTCPIP
L.SA.LOCAL .DA SA.LOCAL
L.SA.REMOTE .DA SA.REMOTE
L.SA.REMOTE.AD .DA SA.REMOTE+S.SOCKADDR.ADDR
L.MSG.IPKO .DA MSG.IPKO
L.MSG.USAGE .DA MSG.USAGE
L.MSG.UNKNOWN .DA MSG.UNKNOWN
L.MSG.HOSTOK .DA MSG.HOSTOK
L.MSG.SKTKO .DA MSG.SKTKO
L.MSG.SKTOK .DA MSG.SKTOK
L.MSG.SKTERR .DA MSG.SKTERR
L.MSG.IOERR .DA MSG.IOERR
L.MSG.USER .DA MSG.USER
.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBTCPIP
>SYSCALL LoadLib
bcs .9
sta hLIBTCPIP
.9 rts
*--------------------------------------
CS.RUN >LIBCALL hLIBTCPIP,LIBTCPIP.GETCFG is TCPIP loaded ?
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.IPOK
>LDYA L.MSG.IPKO
>SYSCALL PutS
lda #E.SYN
sec
rts
CS.RUN.IPOK ldy #S.PS.ARGC
lda (pPS),y
cmp #1
bcc .9
ldy #S.IPCFG.IP+3
ldx #3
.1 lda (ZPIPCfgPtr),y
sta SA.LOCAL+S.SOCKADDR.ADDR,x
dey
dex
bpl .1
lda #TIMEOUT.MAX
sta TimeOut
.2 >SLEEP
>PUSHW L.SA.REMOTE.AD
lda #1
>SYSCALL ArgV
>PUSHYA
>LIBCALL hLIBTCPIP,LIBTCPIP.HST.GetByName
bcc CS.RUN.HOSTOK
lda TimeOut
bne .2
>PUSHW L.MSG.UNKNOWN
lda #1
>SYSCALL ArgV
>PUSHYA
>PUSHBI 2
>SYSCALL PrintF
bra .99
.9 >LDYA L.MSG.USAGE
>SYSCALL PutS
.99 lda #E.SYN
sec
rts
CS.RUN.HOSTOK lda #2
>SYSCALL ArgV
bcs CS.RUN.PORTOK
>SYSCALL AToI
>STYA SA.REMOTE+S.SOCKADDR.PORT
CS.RUN.PORTOK >PUSHW L.MSG.HOSTOK
ldx #0
.1 >PUSHB SA.REMOTE+S.SOCKADDR.ADDR,x
inx
cpx #4
bne .1
>PUSHW SA.REMOTE+S.SOCKADDR.PORT
lda #1
>SYSCALL ArgV
>PUSHYA
>PUSHBI 8
>SYSCALL PrintF
CS.RUN.OPENSKT >PUSHBI 0 no protocol
lda #S.SOCKET.T.STREAM
>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
bcs .9
sta hSocket
>PUSHW L.SA.LOCAL
lda hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
bcc .2
.9 pha
>LDYA L.MSG.SKTKO
>SYSCALL PutS
pla
sec
.99 rts
.2 lda #TIMEOUT.MAX
sta TimeOut
.3 >SLEEP
>PUSHW L.SA.REMOTE
lda hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Connect
bcc .4
cmp #ERR.SKT.NOCONN
bne .9
lda TimeOut
bne .3
lda #ERR.SKT.NOCONN
bra .9
.4 >PUSHW L.MSG.SKTOK
>PUSHBI 0
>SYSCALL PrintF
>LDYAI BUFSIZE
>SYSCALL GetMem
bcs .99
>STYA ZPBufPtr
stx hBuf
CS.RUN.LOOP >SLEEP
lda hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.EOF
bcs .99
tay
bne .2 EOF, no char
>PUSHWI BUFSIZE
>PUSHW ZPBufPtr
lda hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Read
.99 bcs .9
>PUSHYA len
>PUSHW ZPBufPtr
ldy #S.PS.hStdOut
lda (pPS),y
>SYSCALL FWrite
bcs .11
.2 ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL FEOF
bcs .11 CS.RUN.IOERR
tay
bne CS.RUN.LOOP EOF = true, no char from STDIN
>PUSHWI BUFSIZE
>PUSHW ZPBufPtr
ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL FRead
.11 bcs CS.RUN.IOERR
.3 >STYA ZPBufLen
lda (ZPBufPtr)
cmp #$14 Ctrl-T
beq CS.RUN.USER
>PUSHW ZPBufLen
>PUSHW ZPBufPtr
lda hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Write
.9 bcs CS.RUN.SKTERR
jmp CS.RUN.LOOP
*--------------------------------------
CS.RUN.SKTERR pha
>PUSHW L.MSG.SKTERR
pla
pha
>PUSHA
>PUSHBI 1
>SYSCALL PrintF
pla
sec
rts
*--------------------------------------
CS.RUN.IOERR pha
>PUSHW L.MSG.IOERR
pla
pha
>PUSHA
>PUSHBI 1
>SYSCALL PrintF
pla
sec
rts
*--------------------------------------
CS.RUN.USER >LDYA L.MSG.USER
>SYSCALL PutS
lda #0
sec
rts
*--------------------------------------
CS.DOEVENT lda (pEvent)
bpl .9 is it a TIMER event?
lda TimeOut
beq .9
dec TimeOut
.9 sec do not discard TIMER event
rts
*--------------------------------------
CS.QUIT lda hSocket
beq .1
>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
.1 lda hBuf
beq .2
>SYSCALL FreeMem
.2 lda hLIBTCPIP
beq .8
>SYSCALL UnloadLib
.8 clc
rts
*--------------------------------------
CS.END
LIBTCPIP .AZ "libtcpip"
hLIBTCPIP .BS 1
MSG.IPKO .AZ "TCP/IP Not Loaded/Configured."
MSG.USAGE .AZ "Usage : TELNET <ip|host> [port]"
MSG.UNKNOWN .AZ "%s: Unknown host\r\n"
MSG.HOSTOK .AZ "Connecting to %d.%d.%d.%d:%D (%s)..."
MSG.SKTKO .AZ "Failed to Open Socket."
MSG.SKTOK .AZ "Connected\r\n(Exit key is Ctrl-T)\r\n"
MSG.SKTERR .AZ "Socket Error : $%h\r\n"
MSG.IOERR .AZ "I/O Error : $%h\r\n"
MSG.USER .AZ "User interrupt."
*--------------------------------------
SA.LOCAL .DA #AF.INET S.SOCKADDR.AF
.BS 1
.BS 4 S.SOCKADDR.ADDR
.BS 2 S.SOCKADDR.PORT
*--------------------------------------
SA.REMOTE .DA #AF.INET S.SOCKADDR.AF
.BS 1
.BS 4 S.SOCKADDR.ADDR
.DA TCP.PORT.TELNET
*--------------------------------------
.DUMMY
.OR 0
DS.START
DS.END
.ED
*--------------------------------------
MAN
SAVE usr/src/bin/telnet.s
ASM