view level1/cmds/tee.as @ 2787:28b6ec8a14d5 lwtools-port

Added 'extern' pragam, fixed up rules.mak, changed 'section text' to 'section code' in sources
author Boisy Pitre <boisy.pitre@nuance.com>
date Sun, 27 Jan 2013 07:54:07 -0600
parents 03f26e88b809
children 19517af71188
line wrap: on
line source

********************************************************************
* Tee - Split output to multiple devices
*
* $Id$
*
* Edt/Rev  YYYY/MM/DD  Modified by
* Comment
* ------------------------------------------------------------------
*   2      ????/??/??
* From Tandy OS-9 Level One VR 02.00.00.

         nam   Tee
         ttl   Split output to multiple devices

* Disassembled 98/09/14 23:50:52 by Disasm v1.6 (C) 1988 by RML

         use   defsfile.d

rev      set   $00
edition  set   2

         section data
u0000    rmb   1
parray   rmb   13
pcount   rmb   1
buff     rmb   200
         endsect

*         psect tee_a,Prgrm+Objct,ReEnt+rev,edition,200,start
         section code

start    clrb  
         clr   pcount		clear path counter
         cmpy  #$0000		any parameters?
         lbeq  exitok		exit if none
         leay  parray		else point Y to path array

* Walk the command line parameters
parse    lda   ,x+
         cmpa  #C$SPAC
         beq   parse
         cmpa  #C$COMA
         beq   parse
         cmpa  #C$CR
         lbeq  parsex
* We've found a file or device name
         leax  -1,x
         lda   #WRITE.
         ldb   #PREAD.+UPDAT.
         os9   I$Create 	open a path to the device or file
         bcs   exit		branch if error
         ldb   pcount		else get path counter
         sta   b,y		save new path in the array offset
         incb  			increment counter
         stb   pcount		and save
         bra   parse		continue parsing command line
parsex   stb   pcount

* Devices on command line are open, start pumping data
L0044    clra  
         leax  buff
         ldy   #256
         os9   I$ReadLn 
         bcc   L0057
         cmpb  #E$EOF
         beq   exitok
         coma  
         bra   exit
L0057    inca  
         os9   I$WritLn 
         tst   pcount
         beq   L0044
         clrb  
L0060    leay  parray
         lda   b,y
         leax  buff
         ldy   #256
         os9   I$WritLn 
         bcs   exit
         incb  
         cmpb  pcount
         bne   L0060
         bra   L0044
exitok   clrb  
exit     os9   F$Exit   

         endsect