A2osX/SBIN/GETTY.S.txt

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NEW
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PREFIX
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AUTO 4,1
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.LIST OFF
.OP 65C02
.OR $2000
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.TF SBIN/GETTY
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*--------------------------------------
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.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/NET.TELNET.I
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*--------------------------------------
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TIMEOUT.MAX .EQ 100 10 sec.
*--------------------------------------
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.DUMMY
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
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ZS.END .ED
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*--------------------------------------
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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
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.DA #S.PS.F.EVENT S.PS.F
.DA #0
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.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data SegmentSize
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.DA #16 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
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.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
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L.TELNETOPTS .DA TELNETOPTS
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L.TELNETOPT.TTYPE .DA TELNETOPT.TTYPE
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L.TELNETOPT.LMODE .DA TELNETOPT.LMODE
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L.ENV.TERM .DA ENV.TERM
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.DA 0 End Of Reloc Table
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*--------------------------------------
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CS.INIT clc
rts
*--------------------------------------
CS.RUN ldy #S.PS.ARGC
lda (pPs),y
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cmp #2
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bcc .9
.1 >INC.G ArgIndex
>SYSCALL ArgV
bcs .8
>STYA ZPPtr1
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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
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>PUSHWI 0 auxtype
>PUSHBI 0 type
>PUSHBI O.RDWR
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>LDA.G ArgDev
>SYSCALL ArgV
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>SYSCALL fopen
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bcs .99
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ldy #S.PS.hStdIn
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sta (pPs),y
iny #S.PS.hStdOut
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sta (pPs),y
iny #S.PS.hStdErr
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sta (pPs),y
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>STA.G hFILE
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CS.RUN.LOOP0 >LDYA L.ENV.TERM
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>SYSCALL UnSetEnv
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.1 >PUSHWI TELNETOPTS.LEN
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>PUSHW L.TELNETOPTS
ldy #S.PS.hStdOut
lda (pPs),y
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>SYSCALL fwrite
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bcc .2 sent!
tay
bne CS.RUN.9 error ?
>SLEEP
bra .1 no data sent, loop
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.2 >LDA.G ArgDev
>SYSCALL ArgV
>PUSHYA
>PUSHWI K.VER
>PUSHBI 4
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>LDYA L.MSG.GREETINGS
>SYSCALL printf
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bcs CS.RUN.9 unable to send greetings...reset..
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jsr Init.Timeout
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CS.RUN.LOOP1 >SLEEP
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>SYSCALL GetChar
bcs .1
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cmp #IAC
beq CS.RUN.IACMODE
>SYSCALL PutChar
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bcc .2
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bra CS.RUN.LOOP1
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.1 jsr Wait.Timeout
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bcc CS.RUN.LOOP1
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.2 >PUSHBI S.PS.F.HOLD
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>LDA.G ArgProg
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>SYSCALL ArgV
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>SYSCALL ExecV
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bcs CS.RUN.9
>SLEEP
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>LDA.G bExitOnClose
bmi .8
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jmp CS.RUN.LOOP0
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.8 lda #0
sec
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CS.RUN.9 rts
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*--------------------------------------
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CS.RUN.IACMODE >SLEEP Wait for IAC CMD (or SB)
>SYSCALL GetChar
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bcs CS.RUN.IACMODE
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>STA.G IAC.CMD
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.1 >SLEEP Wait for IAC SUBCMD
>SYSCALL GetChar
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bcs .1
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>STA.G IAC.SUBCMD
tax
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>LDA.G IAC.CMD
cmp #SB
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beq CS.RUN.IAC.SB
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*--------------------------------------
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CS.RUN.IAC.CMD cmp #WILL
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bne .8
cpx #TELOPT.TTYPE
bne .2
>PUSHWI TELNETOPT.TTYPE.LEN
>PUSHW L.TELNETOPT.TTYPE
bra .7
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.2 cpx #TELOPT.LINEMODE
bne .8
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>PUSHWI TELNETOPT.LMODE.LEN
>PUSHW L.TELNETOPT.LMODE
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.7 ldy #S.PS.hStdOut
lda (pPs),y
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>SYSCALL fwrite
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.8 jmp CS.RUN.LOOP1
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*--------------------------------------
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CS.RUN.IAC.SB
.1 >SLEEP Wait for IAC SB.IS or SEND
>SYSCALL GetChar
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bcs .1
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>STA.G IAC.SB.CMD
>STZ.G IAC.SB.LEN
.2 >SLEEP
>SYSCALL GetChar
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bcs .2
cmp #IAC
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beq .4 end of DATA, go wait SE
pha
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>LDA.G IAC.SB.LEN
clc
adc #IAC.SB.DATA
tay
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pla
sta (pData),y
iny
lda #0
sta (pData),y
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>INC.G IAC.SB.LEN
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bra .2
.4 >SLEEP
>SYSCALL GetChar
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bcs .4
cmp #SE
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bne .8
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>LDA.G IAC.SUBCMD
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cmp #TELOPT.TTYPE
bne .8
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>LDA.G IAC.SB.CMD
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cmp #SB.IS
bne .8
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>PUSHEA.G IAC.SB.DATA
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>LDYA L.ENV.TERM
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>SYSCALL SetEnv
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.8 jmp CS.RUN.LOOP1
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*--------------------------------------
CS.DOEVENT lda (pEvent)
bpl .9 is it a TIMER event?
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>LDA.G TimeOut
beq .9
dec
sta (pData),y
.9 sec do not discard TIMER event
rts
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*--------------------------------------
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CS.QUIT >LDA.G hFILE
beq .8
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>SYSCALL fclose
.8 clc
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rts
*--------------------------------------
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Init.Timeout lda #TIMEOUT.MAX
>STA.G TimeOut
rts
*--------------------------------------
Wait.TimeOut sec
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>LDA.G TimeOut
beq .9
clc
.9 rts
*--------------------------------------
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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
*--------------------------------------
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CS.END
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OptionList >PSTR "Ee"
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OptionVars .DA #bExitOnClose,#bExitOnClose
MSG.USAGE .AS "Usage : GETTY <DEV> <PROGRAM>\r\n"
.AZ " -E : Exit on disconnect\r\n"
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MSG.GREETINGS .AZ "\r\nA2osX-GeTTY %d.%d on %s\r\n"
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*--------------------------------------
TELNETOPTS .DA #IAC,#WILL,#TELOPT.BINARY
.DA #IAC,#WILL,#TELOPT.ECHO
.DA #IAC,#WILL,#TELOPT.SGA
.DA #IAC,#DO,#TELOPT.SGA
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.DA #IAC,#DO,#TELOPT.NAWS
.DA #IAC,#DO,#TELOPT.TTYPE
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.DA #IAC,#DO,#TELOPT.LINEMODE
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TELNETOPTS.LEN .EQ *-TELNETOPTS
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*--------------------------------------
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TELNETOPT.TTYPE .DA #IAC,#SB,#TELOPT.TTYPE,#SB.SEND,#IAC,#SE
TELNETOPT.TTYPE.LEN .EQ *-TELNETOPT.TTYPE
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*--------------------------------------
TELNETOPT.LMODE .DA #IAC,#SB,#TELOPT.LINEMODE,#SB.SEND,#0,#IAC,#SE
TELNETOPT.LMODE.LEN .EQ *-TELNETOPT.LMODE
ENV.TERM .AZ "TERM"
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*--------------------------------------
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.DUMMY
.OR 0
DS.START
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ArgIndex .BS 1
ArgDev .BS 1
ArgProg .BS 1
hFILE .BS 1
bExitOnClose .BS 1
TimeOut .BS 1
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IAC.CMD .BS 1
IAC.SUBCMD .BS 1
IAC.SB.CMD .BS 1
IAC.SB.LEN .BS 1
IAC.SB.DATA .BS 32
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DS.END .ED
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MAN
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SAVE USR/SRC/SBIN/GETTY.S
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ASM