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tree revision 1127:4b8194e3974c
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filename src/sh4/timer.c
changeset 1127:4b8194e3974c
prev1124:aacaae9812ea
author nkeynes
date Tue Sep 14 19:59:05 2010 +1000 (13 years ago)
permissions -rw-r--r--
last change Fix TMU counter reading to only update the count if the timer is actually
running - fixes various timing issues in KOS
file annotate diff log raw 
     1.1 --- a/src/sh4/timer.c	Sat Sep 11 09:58:22 2010 +1000

     1.2 +++ b/src/sh4/timer.c	Tue Sep 14 19:59:05 2010 +1000

     1.3 @@ -283,13 +283,16 @@

     1.4      reg &= 0xFFF;

     1.5      switch( reg ) {

     1.6      case TCNT0:

     1.7 -        TMU_count( 0, sh4r.slice_cycle );

     1.8 +        if( TMU_IS_RUNNING(0) )

     1.9 +            TMU_count( 0, sh4r.slice_cycle );

    1.10          break;

    1.11      case TCNT1:

    1.12 -        TMU_count( 1, sh4r.slice_cycle );

    1.13 +        if( TMU_IS_RUNNING(1) )

    1.14 +            TMU_count( 1, sh4r.slice_cycle );

    1.15          break;

    1.16      case TCNT2:

    1.17 -        TMU_count( 2, sh4r.slice_cycle );

    1.18 +        if( TMU_IS_RUNNING(2) )

    1.19 +            TMU_count( 2, sh4r.slice_cycle );

    1.20          break;

    1.21      }

    1.22      return MMIO_READ( TMU, reg );
.