A2osX/SBIN/GETTY.S.txt

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PREFIX /A2OSX.BUILD
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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* 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 CS
.DA DS.END-DS.START DS
.DA #64 SS
.DA #0 ZP
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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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L.MSG.DEBUG .DA MSG.DEBUG
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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 #3
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bcc .90
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>PUSHWI 0 auxtype
>PUSHBI 0 type
>PUSHBI O.RDWR
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lda #1
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>SYSCALL ArgV get /dev/xxx
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>SYSCALL fopen
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bcs .9
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 hDEV
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bra CS.RUN.LOOP0
.90 >LDYA L.MSG.USAGE
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>SYSCALL puts
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lda #E.SYN
sec
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.9 rts
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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
.2 >PUSHWI K.VER
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>PUSHBI 2
>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.DUPENV+S.PS.F.HOLD
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lda #2
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>SYSCALL ArgV
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>SYSCALL ExecV
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bcs CS.RUN.9
>SLEEP
jmp CS.RUN.LOOP0
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clc
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 hDEV
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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CS.END
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MSG.USAGE .AZ "Usage : GETTY <DEV> <PROGRAM>"
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MSG.GREETINGS .AZ "\r\nA2osX-GeTTY %d.%d\r\n"
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MSG.DEBUG .AZ "{%h}"
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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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hDEV .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
SAVE /A2OSX.SRC/SBIN/GETTY.S
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ASM