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Fix small bug in readdata. Causes problems on every 32 reads. Thanks Srecko

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2789
This commit is contained in:
Peter Veenstra 2007-01-28 20:08:52 +00:00
parent 5c20be0f85
commit 5ef29db806
1 changed files with 2 additions and 2 deletions
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4
src/hardware/mpu401.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: mpu401.cpp,v 1.24 2007-01-19 18:48:31 qbix79 Exp $ */
/* $Id: mpu401.cpp,v 1.25 2007-01-28 20:08:52 qbix79 Exp $ */
#include <string.h>
#include "dosbox.h"
@ -258,8 +258,8 @@ static void MPU401_WriteCommand(Bitu port,Bitu val,Bitu iolen) {
static Bitu MPU401_ReadData(Bitu port,Bitu iolen) {
Bit8u ret=MSG_MPU_ACK;
if (mpu.queue_used) {
ret=mpu.queue[mpu.queue_pos];
if (mpu.queue_pos>=MPU401_QUEUE) mpu.queue_pos-=MPU401_QUEUE;
ret=mpu.queue[mpu.queue_pos];
mpu.queue_pos++;mpu.queue_used--;
}
if (!mpu.intelligent) return ret;