mirror of https://github.com/A2osX/A2osX.git
170 lines
3.1 KiB
Plaintext
170 lines
3.1 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF bin/term
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/ETH.I
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.INB INC/LIBTCPIP.I
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.INB INC/NET.TELNET.I
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*--------------------------------------
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TIMEOUT.MAX .EQ 200 20 sec.
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BUFSIZE .EQ 256
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*--------------------------------------
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.DUMMY
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.OR ZPBIN
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ZS.START
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ZPBufPtr .BS 2
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ZPBufLen .BS 2
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hBuf .BS 1
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hDev .BS 1
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TimeOut .BS 1
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ZS.END
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.ED
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA #S.PS.F.EVENT S.PS.F
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.DA #0
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.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data Segment Size
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.DA #32 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.MSG.USAGE .DA MSG.USAGE
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L.MSG.DEVOK .DA MSG.DEVOK
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.DA 0
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*--------------------------------------
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CS.INIT clc
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rts
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*--------------------------------------
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CS.RUN lda #1
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>SYSCALL ArgV
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bcs .9
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>PUSHYA
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>PUSHBI O.RDWR
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>PUSHBI 0 type
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>PUSHWZ auxtype
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>SYSCALL fopen
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bcs .99
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stx hDev
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>LDYA L.MSG.DEVOK
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>SYSCALL PutS
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>LDYAI BUFSIZE
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>SYSCALL GetMem
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bcs .99
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>STYA ZPBufPtr
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stx hBuf
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bra CS.RUN.LOOP
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.9 >LDYA L.MSG.USAGE
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>SYSCALL PutS
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lda #E.SYN
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sec
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.99 rts
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CS.RUN.LOOP >SLEEP
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lda hDev
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>SYSCALL feof
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bcs .99
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tay
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bne .2 EOF, no char
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>PUSHWI BUFSIZE
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>PUSHW ZPBufPtr
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lda hDev
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>SYSCALL fRead
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bcc .1
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.99 rts
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.1 >PUSHYA len
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>PUSHW ZPBufPtr
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ldy #S.PS.hStdOut
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lda (pPS),y
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>SYSCALL fwrite
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bcs .9
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.2 ldy #S.PS.hStdIn
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lda (pPS),y
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>SYSCALL feof
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bcs .9
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tay
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bne CS.RUN.LOOP EOF = true, no char from STDIN
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>PUSHWI BUFSIZE
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>PUSHW ZPBufPtr
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ldy #S.PS.hStdIn
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lda (pPS),y
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>SYSCALL fread
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.3 bcs .9
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>STYA ZPBufLen
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lda (ZPBufPtr)
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cmp #$14 Ctrl-T
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beq .9
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>PUSHW ZPBufLen
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>PUSHW ZPBufPtr
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lda hDev
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>SYSCALL fWrite
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bcs .9
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jmp CS.RUN.LOOP
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.9 rts
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*--------------------------------------
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CS.DOEVENT lda (pEvent)
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bpl .9 is it a TIMER event?
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lda TimeOut
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beq .9
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dec TimeOut
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.9 sec do not discard TIMER event
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rts
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*--------------------------------------
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CS.QUIT lda hDev
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beq .1
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>SYSCALL FClose
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.1 lda hBuf
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beq .2
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>SYSCALL FreeMem
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.2 clc
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rts
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*--------------------------------------
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CS.END
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MSG.USAGE .AZ "Usage : TERM device "
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MSG.DEVOK .AZ "Connected (Exit key is Ctrl-T)"
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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DS.END
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.ED
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*--------------------------------------
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MAN
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SAVE USR/SRC/BIN/TERM.S
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ASM
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