*******************************************************************
* Tsmon - Timesharing monitor
*
* $Id$
*
* Ed.    Comments                                       Who YY/MM/DD
* ------------------------------------------------------------------
*   8    From Tandy OS-9 Level Two VR 02.00.01

         nam   Tsmon
         ttl   Timesharing monitor

* Disassembled 02/07/13 23:44:55 by Disasm v1.6 (C) 1988 by RML

         ifp1
         use   defsfile
         endc

tylg     set   Prgrm+Objct   
atrv     set   ReEnt+rev
rev      set   $01
edition  set   8

         mod   eom,name,tylg,atrv,start,size

         org   0
childid  rmb   1
parmptr  rmb   2
parmlen  rmb   2
inbuff   rmb   451
size     equ   .

name     fcs   /Tsmon/
         fcb   edition

Login    fcc   "LOGIN"
LoginPrm fcb   C$CR

IcptRtn  rti

start    stx   <parmptr			save parameter pointer
         std   <parmlen			save parameter length
         leax  <IcptRtn,pcr		point to intercept routine
         os9   F$Icpt   		and set it
L0024    ldx   <parmptr			get pointer to parameter
         ldd   <parmlen			and length
         cmpd  #$0002			
         bcs   L0052
         lda   ,x			get byte at command line
         cmpa  #C$CR			cr?
         beq   L0052			if so, branch
         clra  				stdin
         os9   I$Close  		close it
         lda   #UPDAT.
         os9   I$Open   		open device on command line
         bcs   Exit			branch if error
         inca  				A = 1
         os9   I$Close  		close stdout
         inca  				A = 2
         os9   I$Close  		close stderr
         clra  				stdin path
         os9   I$Dup    		dup to stdout
         bcs   Exit			branch if error
         os9   I$Dup    		dup to stderr
         bcs   Exit			branch if error
L0052    clra  				stdin
         leax  inbuff,u			point to buffer
         ldy   #$0001			read 1 byte
         os9   I$ReadLn 		read line
         bcs   L0024			branch if error
         lda   #Objct			object
         clrb  				no additional mem
         leax  <Login,pcr		point to login
         leau  <LoginPrm,pcr		and to parameters
         ldy   #$0000			parameter size
         os9   F$Fork   		fork program
         bcs   L0024			branch if error
         sta   <childid			else save process ID of child
L0072    os9   F$Wait   		wait for it to finish
         cmpa  <childid			same as PID we forked?
         bne   L0072			if not, wait more
         bra   L0024			else go back
Exit     os9   F$Exit   		exit

         emod
eom      equ   *
         end