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Add way to easy timer 4 check to counter_output. But seems to work.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3113
This commit is contained in:
Peter Veenstra 2008-03-02 08:55:04 +00:00
parent e5bd92e472
commit f2c40b9407
1 changed files with 6 additions and 1 deletions
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7
src/hardware/timer.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: timer.cpp,v 1.45 2007-11-18 17:09:15 qbix79 Exp $ */
/* $Id: timer.cpp,v 1.46 2008-03-02 08:55:04 qbix79 Exp $ */
#include <math.h>
#include "dosbox.h"
@ -91,6 +91,11 @@ static bool counter_output(Bitu counter) {
if (p->new_mode) return true;
index=fmod(index,(double)p->delay);
return index*2<p->delay;
case 4:
//Only low on terminal count
// if(fmod(index,(double)p->delay) == 0) return false; //Maybe take one rate tick in consideration
//Easiest solution is to report always high (Space marines uses this mode)
return true;
default:
LOG(LOG_PIT,LOG_ERROR)("Illegal Mode %d for reading output",p->mode);
return true;