pandory500/redquark-amiberry-rb
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

(WIP) Further updates from WinUAE

Browse source
This commit is contained in:
Dimitris Panokostas 2019-01-26 22:48:59 +01:00
parent f78994df5e
commit cb80696aa6
6 changed files with 579 additions and 342 deletions
Download patch file Download diff file Expand all files Collapse all files

29
src/events.cpp
View file

@ -21,6 +21,17 @@ int is_syncline;
frame_time_t vsyncmintime, vsyncmaxtime, vsyncwaittime;
int vsynctimebase;
static void events_fast(void)
{
cycles_do_special();
}
void events_reset_syncline(void)
{
is_syncline = 0;
events_fast();
}
void events_schedule(void)
{
int i;
@ -36,6 +47,24 @@ void events_schedule(void)
nextevent = currcycle + mintime;
}
static bool event_check_vsync(void)
{
/* Keep only CPU emulation running while waiting for sync point. */
if (is_syncline) {
int rpt = read_processor_time();
int v = rpt - vsyncmintime;
if (v > vsynctimebase || v < -vsynctimebase) {
v = 0;
}
if (v < speedup_timelimit) {
regs.pissoff = pissoff_value;
return true;
}
events_reset_syncline();
}
return false;
}
void do_cycles_cpu_fastest (unsigned long cycles_to_add)
{
if ((regs.pissoff -= cycles_to_add) > 0)