A2osX/SBIN/GETTY.S.txt
2019-07-24 07:53:09 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF SBIN/GETTY
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/NET.TELNET.I
*--------------------------------------
TIMEOUT.MAX .EQ 40 4 sec.
IAC.BUF.MAX .EQ 32
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
TimeOut .BS 1
hErr .BS 1
ArgIndex .BS 1
ArgDev .BS 1
ArgProg .BS 1
hFILE .BS 1
bExitOnClose .BS 1
IAC.CMD .BS 1
IAC.SUBCMD .BS 1
IAC.SB.CMD .BS 1
IAC.SB.LEN .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 SegmentSize
.DA #64 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG.USAGE .DA MSG.USAGE
L.MSG.GREETINGS .DA MSG.GREETINGS
L.TELNETOPTS .DA TELNETOPTS
L.TELNETOPT.TTYPE .DA TELNETOPT.TTYPE
L.TELNETOPT.LMODE .DA TELNETOPT.LMODE
L.ENV.TERM .DA ENV.TERM
.DA 0 End Of Reloc Table
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN ldy #S.PS.ARGC
lda (pPs),y
cmp #2
bcc .9
.1 inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs .8
>STYA ZPPtr1
jsr CkeckOption
bcs .9
beq .1 valid option, check next arg
lda ArgDev
bne .2
lda ArgIndex
sta ArgDev
bra .1
.2 lda ArgProg
bne .9
lda ArgIndex
sta ArgProg
bra .1
.9 >PUSHBI 0
>LDYA L.MSG.USAGE
>SYSCALL printf
lda #E.SYN
sec
.99 rts
.8 lda ArgDev
beq .9
lda ArgProg
beq .9
ldy #S.PS.hStdErr
lda (pPs),y
sta hErr
>PUSHWZ auxtype
>PUSHBI 0 type
>PUSHBI O.RDWR
lda ArgDev
>SYSCALL ArgV
>SYSCALL fopen
bcs .99
ldy #S.PS.hStdIn
sta (pPs),y
iny #S.PS.hStdOut
sta (pPs),y
iny #S.PS.hStdErr
sta (pPs),y
sta hFILE
CS.RUN.LOOP0 >SLEEP
>LDYA L.ENV.TERM
>SYSCALL UnSetEnv
.1 >PUSHWI TELNETOPTS.LEN
>PUSHW L.TELNETOPTS
ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fwrite
bcs CS.RUN.EXIT I/O error
lda #TIMEOUT.MAX
sta TimeOut
CS.RUN.LOOP1 >SLEEP
ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL feof
bcs CS.RUN.9 I/O error
tay
bne .1 no char
>SYSCALL GetChar
bcs CS.RUN.9
cmp #IAC
beq CS.RUN.IACMODE
>SYSCALL PutChar
bcs CS.RUN.EXIT
bra CS.RUN.LOOP1
.1 lda TimeOut
bne CS.RUN.LOOP1
lda ArgDev
>SYSCALL ArgV
>PUSHYA
>PUSHWI K.VER
>PUSHBI 4
>LDYA L.MSG.GREETINGS
>SYSCALL printf
bcs CS.RUN.EXIT unable to send greetings...
.2 >PUSHBI S.PS.F.HOLD
lda ArgProg
>SYSCALL ArgV
>SYSCALL ExecV
>SLEEP
CS.RUN.EXIT lda bExitOnClose
bmi .8
jmp CS.RUN.LOOP0
.8 lda #0
sec
CS.RUN.9 rts
*--------------------------------------
CS.RUN.IACMODE >SYSCALL GetChar Wait for IAC CMD (or SB)
bcs CS.RUN.9
sta IAC.CMD
>SYSCALL GetChar Wait for IAC SUBCMD
bcs CS.RUN.9
sta IAC.SUBCMD
tax
lda IAC.CMD
cmp #SB
beq CS.RUN.IAC.SB
*--------------------------------------
CS.RUN.IAC.CMD cmp #WILL
bne .8
cpx #TELOPT.TTYPE
bne .2
>PUSHWI TELNETOPT.TTYPE.LEN
>PUSHW L.TELNETOPT.TTYPE
bra .7
.2 cpx #TELOPT.LINEMODE
bne .8
>PUSHWI TELNETOPT.LMODE.LEN
>PUSHW L.TELNETOPT.LMODE
.7 ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fwrite
.8 jmp CS.RUN.LOOP1
*--------------------------------------
CS.RUN.IAC.SB >SYSCALL GetChar Wait for IAC SB.IS or SEND
bcs .9
sta IAC.SB.CMD
stz IAC.SB.LEN
.2 >SYSCALL GetChar
bcs .9
cmp #IAC
beq .4 end of DATA, go wait SE
ldy IAC.SB.LEN
sta (pData),y
iny
lda #0
sta (pData),y
sty IAC.SB.LEN
cpy #IAC.BUF.MAX
bne .2
bra .8
.4 >SYSCALL GetChar
bcs .9
cmp #SE
bne .8
lda IAC.SUBCMD
cmp #TELOPT.TTYPE
bne .8
lda IAC.SB.CMD
cmp #SB.IS
bne .8
>PUSHW pData IAC.SB.DATA
>LDYA L.ENV.TERM
>SYSCALL SetEnv
.8 jmp CS.RUN.LOOP1
.9 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 hFILE
beq .8
>SYSCALL fclose
.8 clc
rts
*--------------------------------------
CkeckOption lda (ZPPtr1)
cmp #'-'
bne .8
ldy #2
lda (ZPPtr1),y
bne .8
dey
lda (ZPPtr1),y
ldx OptionList
.2 cmp OptionList,x
beq .3
dex
bne .2
sec invalid option
rts
.3 ldy OptionVars-1,x
eor #$80 toggle option
sta $0,y
lda #0 exit with 0
.8 clc !0 if not an option
rts
*--------------------------------------
CS.END
OptionList >PSTR "Ee"
OptionVars .DA #bExitOnClose,#bExitOnClose
MSG.USAGE .AS "Usage : GETTY <DEV> <PROGRAM>\r\n"
.AZ " -E : Exit on disconnect\r\n"
MSG.GREETINGS .AZ "\r\nA2osX-GeTTY %d.%d on %s\r\n"
*--------------------------------------
TELNETOPTS .DA #IAC,#WILL,#TELOPT.BINARY
.DA #IAC,#WILL,#TELOPT.ECHO
.DA #IAC,#WILL,#TELOPT.SGA
.DA #IAC,#DO,#TELOPT.SGA
* .DA #IAC,#DO,#TELOPT.NAWS
.DA #IAC,#DO,#TELOPT.TTYPE
.DA #IAC,#DO,#TELOPT.LINEMODE
TELNETOPTS.LEN .EQ *-TELNETOPTS
*--------------------------------------
TELNETOPT.TTYPE .DA #IAC,#SB,#TELOPT.TTYPE,#SB.SEND,#IAC,#SE
TELNETOPT.TTYPE.LEN .EQ *-TELNETOPT.TTYPE
*--------------------------------------
TELNETOPT.LMODE .DA #IAC,#SB,#TELOPT.LINEMODE,#SB.SEND,#0,#IAC,#SE
TELNETOPT.LMODE.LEN .EQ *-TELNETOPT.LMODE
ENV.TERM .AZ "TERM"
*--------------------------------------
.DUMMY
.OR 0
DS.START
IAC.SB.DATA .BS IAC.BUF.MAX
DS.END .ED
MAN
SAVE USR/SRC/SBIN/GETTY.S
ASM