A2osX/SBIN/GETTY.S.txt
2019-02-20 16:07:43 +00:00

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NEW
PREFIX
AUTO 4,1
.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 100 10 sec.
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
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 #16 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.G ArgIndex
>SYSCALL ArgV
bcs .8
>STYA ZPPtr1
jsr CkeckOption
bcs .9
beq .1 valid option, check next arg
>LDA.G ArgDev
bne .2
>LDA.G ArgIndex
>STA.G ArgDev
bra .1
.2 >LDA.G ArgProg
bne .9
>LDA.G ArgIndex
>STA.G ArgProg
bra .1
.9 >PUSHBI 0
>LDYA L.MSG.USAGE
>SYSCALL printf
lda #E.SYN
sec
.99 rts
.8 >LDA.G ArgDev
beq .9
>LDA.G ArgProg
beq .9
>PUSHWI 0 auxtype
>PUSHBI 0 type
>PUSHBI O.RDWR
>LDA.G 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.G hFILE
CS.RUN.LOOP0 >LDYA L.ENV.TERM
>SYSCALL UnSetEnv
.1 >PUSHWI TELNETOPTS.LEN
>PUSHW L.TELNETOPTS
ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fwrite
bcs .9 I/O error
.2 >LDA.G ArgDev
>SYSCALL ArgV
>PUSHYA
>PUSHWI K.VER
>PUSHBI 4
>LDYA L.MSG.GREETINGS
>SYSCALL printf
.9 bcs CS.RUN.9 unable to send greetings...reset..
jsr Init.Timeout
CS.RUN.LOOP1 ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL feof
bcs CS.RUN.9
tay
beq .1
>SYSCALL GetChar
bcs CS.RUN.9
cmp #IAC
beq CS.RUN.IACMODE
>SYSCALL PutChar
bcc .2
bra CS.RUN.LOOP1
.1 jsr Wait.Timeout
bcc CS.RUN.LOOP1
.2 >PUSHBI S.PS.F.HOLD
>LDA.G ArgProg
>SYSCALL ArgV
>SYSCALL ExecV
bcs CS.RUN.9
>SLEEP
>LDA.G 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.G IAC.CMD
>SYSCALL GetChar Wait for IAC SUBCMD
bcs CS.RUN.9
>STA.G IAC.SUBCMD
tax
>LDA.G 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.G IAC.SB.CMD
>STZ.G IAC.SB.LEN
.2 >SYSCALL GetChar
bcs .9
cmp #IAC
beq .4 end of DATA, go wait SE
pha
>LDA.G IAC.SB.LEN
clc
adc #IAC.SB.DATA
tay
pla
sta (pData),y
iny
lda #0
sta (pData),y
>INC.G IAC.SB.LEN
bra .2
.4 >SYSCALL GetChar
bcs .9
cmp #SE
bne .8
>LDA.G IAC.SUBCMD
cmp #TELOPT.TTYPE
bne .8
>LDA.G IAC.SB.CMD
cmp #SB.IS
bne .8
>PUSHEA.G 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.G TimeOut
beq .9
dec
sta (pData),y
.9 sec do not discard TIMER event
rts
*--------------------------------------
CS.QUIT >LDA.G hFILE
beq .8
>SYSCALL fclose
.8 clc
rts
*--------------------------------------
Init.Timeout lda #TIMEOUT.MAX
>STA.G TimeOut
rts
*--------------------------------------
Wait.TimeOut sec
>LDA.G TimeOut
beq .9
clc
.9 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 (pData),y
lda #0 exit with 0
.8 clc !0 if bot 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
ArgIndex .BS 1
ArgDev .BS 1
ArgProg .BS 1
hFILE .BS 1
bExitOnClose .BS 1
TimeOut .BS 1
IAC.CMD .BS 1
IAC.SUBCMD .BS 1
IAC.SB.CMD .BS 1
IAC.SB.LEN .BS 1
IAC.SB.DATA .BS 32
DS.END .ED
MAN
SAVE USR/SRC/SBIN/GETTY.S
ASM