A2osX/SBIN/NFSD.S.txt
2018-11-17 18:17:13 +01:00

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PR#3
NEW
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF SBIN/NFSD
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/LIBTCPIP.I
*--------------------------------------
TIMEOUT.MAX .EQ 30 30 sec.
*--------------------------------------
ZPIPCfgPtr .EQ ZPBIN
ZPSktPtr .EQ ZPBIN+2
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length To Relocate
.DA DS.END-DS.START Data Segment to Allocate
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
.DA CS.HOOK
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
.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBTCPIP
>SYSCALL LoadLibYA
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
>SYSCALL printf
.1 >LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG is TCPIP loaded ?
bcs .99
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.INIT
>SLEEP
jsr Wait.Timeout
bcc .1
.99 >LDYA L.MSG.TCPIPERR
>SYSCALL printf
lda #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
>STA.G hSocket
>LDYA L.MSG.INITOK
>SYSCALL printf
.11 >SLEEP
ldy #bCTRLC
lda (pData),y
bmi .99
bra .11
ldy #hSocket
lda (pData),y
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.AcceptA
bcs .11
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.GETA
>STYA ZPSktPtr
ldx #3
ldy #S.SOCKET.DST.ADDR+3
.2 >PUSHB (ZPSktPtr),y
dey
dex
bpl .2
>LDYA L.MSG.INCOMING
>SYSCALL printf
bra .11
.9 >LDYA L.MSG.SKTERR
>SYSCALL printf
lda #E.SYN
sec
rts
.99 >LDYA L.MSG.ABORT
>SYSCALL printf
lda #0
sec
rts
*--------------------------------------
CS.DOEVENT lda (pEvent)
bpl .1 is it a TIMER event?
asl One second ?
bpl .9
ldy #TimeOut
lda (pData),y
beq .9
dec
sta (pData),y
sec do not discard TIMER event
rts
.1 bit #S.EVT.F.KEY is it a KEY event?
beq .9
ldy #S.EVT.DATAHI is it an O or SAPPLE key ?
lda (pEvent),y
bne .9
ldy #S.EVT.DATALO
lda (pEvent),y
cmp #$03 Ctrl-C
bne .9
lda #$FF
ldy #bCTRLC
sta (pData),y
clc
rts
.9 sec
rts
*--------------------------------------
CS.QUIT ldy #hSocket
lda (pData),y
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CLOSEA
lda hLIBTCPIP
>SYSCALL UnloadLibA
clc
rts
*--------------------------------------
CS.HOOK
*--------------------------------------
Init.Timeout ldy #TimeOut
lda #TIMEOUT.MAX
sta (pData),y
rts
*--------------------------------------
Wait.TimeOut sec
ldy #TimeOut
lda (pData),y
beq .9
ldy #bCTRLC
lda (pData),y
bmi .9
clc
.9 rts
*--------------------------------------
CS.END
*--------------------------------------
LIBTCPIP >PSTR "libtcpip.o"
MSG.TCPWAIT .AZ "NFSD:Waiting for TCP/IP initializing...\n"
MSG.INITOK .AZ "NFSD:Init Ok, Listening.\n"
MSG.TCPIPERR .AZ "NFSD:TCP/IP Not initialized properly\n"
MSG.SKTERR .AZ "NFSD:Listen Error\n"
MSG.ABORT .AZ "NFSD:User Aborted\n"
MSG.INCOMING .AZ "NFSD:Incoming Connection From : %d.%d.%d.%d\n"
hLIBTCPIP .BS 1
*--------------------------------------
Socket .DA #S.SOCKET.T.DGRAM
.DA #S.SOCKET.O.ACCEPTCONN
.DA #S.SOCKET.TCP.S.LISTEN
.BS 1
Socket.Src.Addr .BS 4
Socket.Src.Port .DA 2049
Socket.Dst.Addr .BS 4
Socket.Dst.Port .BS 2
.BS 16
*--------------------------------------
.DUMMY
.OR 0
DS.START
TimeOut .BS 1
bCTRLC .BS 1
hSocket .BS 1
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/SBIN/NFSD.S
ASM