A2osX/SBIN/GETTY.S.txt

PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BUILD/SBIN/GETTY
*--------------------------------------
				.INB /A2OSX.BUILD/INC/MACROS.I
				.INB /A2OSX.BUILD/INC/A2OSX.I
				.INB /A2OSX.BUILD/INC/NET.TELNET.I
*--------------------------------------
TIMEOUT.MAX		.EQ 100					1 sec.
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp (.1,x)
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					BIN Layout Version 1
				.DA 0
				.DA CS.END-CS.START		CS
				.DA DS.END-DS.START		DS
				.DA #16					SS
				.DA #0					ZP
				.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.TELNETOPT	.DA MSG.TELNETOPT
L.MSG.GREETINGS .DA MSG.GREETINGS
L.ENV.TERM		.DA ENV.TERM
L.HEX			.DA HEX
L.HEX2			.DA HEX2
				.DA 0					End Of Reloc Table
*--------------------------------------
CS.INIT			ldy #S.PS.ARGC
				lda (pPs),y
				cmp #2
				bne .9
				
				lda #1
				>SYSCALL GetArg.A
				
				>SYSCALL MkNod.YA
				bcs .9

				ldy #S.PS.hStdIn
				sta (pPs),y
				ldy #S.PS.hStdOut
				sta (pPs),y
				ldy #S.PS.hStdErr
				sta (pPs),y
				
				lda #2
				>SYSCALL GetArg.A
				bcs .9

				>SYSCALL ExpandStr.YA
				bcs .9

				txa
				
				>STA.G hBinName

				lda (pPs)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPs)

				clc
				rts
				
				>LDYA L.MSG.USAGE
				>SYSCALL PrintF.YA
				lda #0
				sec
.9				rts
*--------------------------------------
CS.RUN			>SYSCALL Sleep
				>SYSCALL GetChar
				bcs CS.RUN
				
.11				
*				jsr PRINTA2
				>SYSCALL Sleep
				>SYSCALL GetChar
				
				bcc .11 
				
				jsr Init.Timeout

				ldy #0

.1				lda MSG.TELNETOPT,y
				phy
				>SYSCALL PutChar.A
				ply
				iny
				cpy #MSG.TELNETOPT.LEN
				bne .1
				
*				>LDYA L.MSG.TELNETOPT
*				>SYSCALL PrintF.YA
*				bcs *

CS.RUN.LOOP				
				
.1				>SYSCALL Sleep
				>SYSCALL GetChar
				bcs .4

*				jsr PRINTA
				
				cmp #IAC
				beq CS.RUN.IACMODE
				


.4				jsr Wait.Timeout
				bcc .1				
		
				>LDYA L.MSG.GREETINGS
				>SYSCALL PrintF.YA
				
				bcs .8					unable to send greetings...reset..
				
				ldy #hBinName
				lda (pData),y
				>SYSCALL GetMemPtr.A
				>SYSCALL ExecPS.YA
.9				rts

.8				clc
				rts
*--------------------------------------
CS.RUN.IACMODE	>SYSCALL Sleep			Wait for IAC VERB (or SB)
				>SYSCALL GetChar
				bcs CS.RUN.IACMODE

				>STA.G IAC.VERB
*				jsr PRINTA
				
.1				>SYSCALL Sleep			Wait for IAC OPT
				>SYSCALL GetChar
				bcs .1
				
				>STA.G IAC.OPT
*				jsr PRINTA
				
				>LDA.G IAC.VERB
				cmp #SB
				beq CS.RUN.IACSB
*--------------------------------------			
CS.RUN.IACVERB	
*				lda #'.'
*				>SYSCALL PutChar.A
				jmp CS.RUN.LOOP							
*--------------------------------------
CS.RUN.IACSB  				
.1				>SYSCALL Sleep
				>SYSCALL GetChar
				bcs .1

				>STA.G IAC.SB
				
*				jsr PRINTA
								
				lda #0
				sta (pData)				reset IAC.SB.DATA
				
.2				>SYSCALL Sleep
				>SYSCALL GetChar
				bcs .2

				cmp #IAC
				beq .4					end of DATA, go wait SE
				
				pha
*				jsr PRINTA
				
				ldy #IAC.SB.DATA-1
				
.3				iny
				lda (pData),y
				bne .3
				
				pla
				sta (pData),y
				iny
				lda #0
				sta (pData),y
				bra .2
				
.4				>SYSCALL Sleep
				>SYSCALL GetChar
				bcs .4
				
				cmp #SE
				bne .8

				>LDA.G IAC.OPT
				cmp #TELOPT.TTYPE
				bne .8
				
				>LDA.G IAC.SB
				cmp #SB.IS
				bne .8

				>PUSHEA.G IAC.SB.DATA
				>PUSHW L.ENV.TERM
				>SYSCALL SetEnv
				
.8
*				lda #':'
*				>SYSCALL PutChar.A
				jmp CS.RUN.LOOP
*--------------------------------------
CS.DOEVENT		lda (pEvent)
				bpl .9					is it a TIMER event?

				ldy #TimeOut
				lda (pData),y
				beq .9
				
				dec 
				sta (pData),y
				
.9				sec						do not discard TIMER event
				rts	
*--------------------------------------
CS.QUIT			ldy #hBinName
				lda (pData),y
				beq .1
				>SYSCALL FreeMem.A
				
.1				ldx #DEVMGR.CLOSE
*				jsr pDevJmp
				
				clc
				rts
*--------------------------------------
Init.Timeout	ldy #TimeOut
				lda #TIMEOUT.MAX
				sta (pData),y
				rts
*--------------------------------------
Wait.TimeOut	sec
				ldy #TimeOut
				lda (pData),y
				beq .9
				clc
.9				rts
*--------------------------------------
PRINTA			pha
				>PUSHA
				>LDYA L.HEX
				>SYSCALL PrintF.YA
				pla
				rts
*--------------------------------------
PRINTA2			pha
				>PUSHA
				>LDYA L.HEX2
				>SYSCALL PrintF.YA
				pla
				rts
CS.END
MSG.USAGE		>CSTR "Usage : GETTY <DEV> <PROGRAM>\r\n"
MSG.TELNETOPT	.DA #IAC,#WILL,#TELOPT.BINARY
				.DA #IAC,#DO,#TELOPT.LINEMODE
				.DA #IAC,#SB,#TELOPT.LINEMODE,#SB.SEND,#0,#IAC,#SE
				.DA #IAC,#DONT,#TELOPT.ECHO
				.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,#SB,#TELOPT.TTYPE,#SB.SEND,#IAC,#SE
MSG.TELNETOPT.LEN	.EQ *-MSG.TELNETOPT
MSG.GREETINGS	>CSTR "\r\nA2osX-GeTTY 0.9.1\r\n"
ENV.TERM		>CSTR "TERM"
HEX				>CSTR "[%h]"
HEX2			>CSTR "{%h}"
* \e[12h
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
IAC.SB.DATA		.BS 64				
hBinName		.BS 1
TimeOut			.BS 1
IAC.VERB		.BS 1
IAC.OPT			.BS 1
IAC.SB			.BS 1
DS.END			.ED
MAN
SAVE /A2OSX.SRC/SBIN/GETTY.S
ASM