view level1/cmds/prompt.asm @ 1652:558cab468052

RG fixed a bug in the Vavasour emulator clock2 module. clock2 is now of type Sbrtn instead of Systm. clock.asm has been modified to link to this type.
author boisy
date Sat, 17 Jul 2004 12:20:31 +0000
parents 2b0af03a7915
children
line wrap: on
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********************************************************************
* Prompt - Echo text and wait for a key
*
* $Id$
*
* Edt/Rev  YYYY/MM/DD  Modified by
* Comment
* ------------------------------------------------------------------
*   1      2003/06/28  Boisy G. Pitre
* Created.

         nam   Prompt
         ttl   Echo text and wait for a key

         ifp1
         use   defsfile
         endc

tylg     set   Prgrm+Objct   
atrv     set   ReEnt+rev
rev      set   $00
edition  set   1

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

         org   0
inputbuf rmb   16
devopts  rmb   32
         rmb   450
size     equ   .

name     fcs   /Prompt/
         fcb   edition

cr       fcb   C$CR

start    subd  #$0001		subtract CR from param length
         beq   readkey		if zero, don't print anything
         clra			clear upper 8 bits
         tfr   d,y		transfer length to Y
         lda   #$01		stdout
         os9   I$Write
         bcs   exit
readkey  ldd   #$02*256		stderr
*         ldb   #SS.Opt		get options
         leax  devopts,u
         os9   I$GetStt		get 'em
         bcs   exit
         clr   (PD.EKO-PD.OPT),x
         os9   I$SetStt		set 'em
         leax  inputbuf,u
         ldy   #$0001		one character
         os9   I$Read		read one char from stderr
         clrb  
         leax  devopts,u
         inc   (PD.EKO-PD.OPT),x	turn on echo
         os9   I$SetStt		set 'em
         leax  cr,pcr
         lda   #$01		to stdout
         os9   I$WritLn		write it out
exit     os9   F$Exit   

         emod
eom      equ   *
         end