gwh/libx48ng
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

small optimization in main loop

Browse source
This commit is contained in:
Gwenhael Le Moine 2024-06-05 14:07:47 +02:00
parent 83296ffbe9
commit aeb3822b86
No known key found for this signature in database
GPG key ID: FDFE3669426707A7
1 changed files with 8 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/main.c
View file

@ -109,18 +109,17 @@ int main( int argc, char** argv )
/************************/
/* Start emulation loop */
/************************/
struct timeval tv;
struct timeval tv2;
struct timezone tz;
do {
struct timeval tv;
struct timeval tv2;
struct timezone tz;
reset_timer( T1_TIMER );
reset_timer( RUN_TIMER );
reset_timer( IDLE_TIMER );
set_accesstime();
start_timer( T1_TIMER );
start_timer( T1_TIMER );
start_timer( RUN_TIMER );
sched_timer1 = t1_i_per_tick = saturn.t1_tick;
@ -131,7 +130,7 @@ int main( int argc, char** argv )
do {
step_instruction();
if ( ( config.useDebugger ) && ( exec_flags & EXEC_BKPT ) && ( check_breakpoint( BP_EXEC, saturn.PC ) ) ) {
if ( config.useDebugger && ( exec_flags & EXEC_BKPT ) && check_breakpoint( BP_EXEC, saturn.PC ) ) {
enter_debugger |= BREAKPOINT_HIT;
break;
}
@ -141,19 +140,16 @@ int main( int argc, char** argv )
/* Throttling speed if needed */
gettimeofday( &tv, &tz );
gettimeofday( &tv2, &tz );
while ( ( tv.tv_sec == tv2.tv_sec ) && ( ( tv.tv_usec - tv2.tv_usec ) < 2 ) )
gettimeofday( &tv, &tz );
tv2.tv_usec = tv.tv_usec;
tv2.tv_sec = tv.tv_sec;
break;
}
}
if ( schedule_event < 0 ) {
fprintf( stderr, "bug" );
if ( schedule_event < 0 ) // "bug"
schedule_event = 0;
}
if ( schedule_event-- <= 0 )
schedule();
} while ( !please_exit && !enter_debugger );