Re: A89: Delays, how do you create them

[Prev][Next][Index][Thread]

Re: A89: Delays, how do you create them


ngetchx() WAITS for a keypress, that is the problem...
use kbhit() instead; it checks for a keypress and then continues
you may want to flush the keypress buffer when your done though...

hope this helps,
Greg
_________________________________
All parts should go together without forcing. You must remember that the
parts you are reassembling were disassembled by you. Therefore, if you can't
get them together again, there must be a reason. By all means, do not use a
hammer.
-- IBM maintenance manual, 1925

----- Original Message -----
From: CalenWakefield@aol.com
To: assembly-89@lists.ticalc.org
Sent: Sunday, February 18, 2001 5:53 PM
Subject: Re: A89: Delays, how do you create them


Yes I did check that header file out.  I came up with the following code
that
is SUPPOSED to make a small arrow blink but it doesnt.  Heres the code:

//begin code snippit

static unsigned char arrow[]=
    { 0xFE, 0x82, 0x44, 0x28, 0x10, 0x0, 0x0, 0x0};//the arrow sprite

OSFreeTimer(USER_TIMER);//free the user timer for use
OSRegisterTimer(USER_TIMER,2*20);//register the user timer for 2 seconds
(???)
Sprite8(80,90,8,arrow,LCD_MEM,SPRT_XOR);//put the arrow sprite on the screen
while(!ngetchx())//while no keys are pressed excute the following code
{
    if(OSTimerExpired(USER_TIMER))//if the user timer is expired excute the
code
    {
        OSTimerRestart(USER_TIMER);//
        Sprite8(80,90,8,arrow,LCD_MEM,SPRT_XOR);//XOR the sprite to the
screen
    }//end if
}//end while
//end code snippit

Can you tell me why that doesnt work?  Is it something with the while loop
or
ngetchx() function conflicting with the timers?  (just a thought)  Well if
you can help me i would GRREATLY appreciate it as i could continue with
making my game.

Thanks again!,
CalenWakefield


_________________________________________________________
Do You Yahoo!?
Get your free @yahoo.com address at http://mail.yahoo.com
References: