/* This is the emulation timing stuff
* Should be called at the END of the emulation loop.
* Input parameter: microseconds needed for the "real" (emulated) computer to do our loop
* This function also does the sleep itself */
static void emu_timekeeping_delay ( int td_em )
{
int td, td_pc = get_elapsed_time(et_start, &et_end, NULL); // the time was needed for our emulation loop
if (td_pc < 0) {
DEBUG("TIMING: negative amount of time spent for an emulation loop?!" NL);
td = 0;
} else
td = td_em - td_pc; // the time difference (+X = PC is faster - real time EP emulation, -X = EP is faster - real time EP emulation is not possible)
DEBUG("DELAY: pc=%d em=%d sleep=%d" NL, td_pc, td_em, td);
/* for reporting only: BEGIN */
td_em_ALL += td_em;
td_pc_ALL += td_pc;
if (td_count_ALL == 50) {
char buf[256];
//DEBUG("STAT: count = %d, EM = %d, PC = %d, usage = %f%" NL, td_count_ALL, td_em_ALL, td_pc_ALL, 100.0 * (double)td_pc_ALL / (double)td_em_ALL);
snprintf(buf, sizeof buf, "%s [%.2fMHz ~ %d%%]%s", WINDOW_TITLE " v" VERSION " ",
CPU_CLOCK / 1000000.0,
td_em_ALL ? (td_pc_ALL * 100 / td_em_ALL) : -1,
paused ? " PAUSED" : ""
);
SDL_SetWindowTitle(sdl_win, buf);
td_count_ALL = 0;
td_pc_ALL = 0;
td_em_ALL = 0;
} else
td_count_ALL++;
/* for reporting only: END */
td_balancer += td;
/* insane time-diff balancer values ... */
if (td_balancer > 1000000 || td_balancer < -1000000)
td_balancer = 0;
DEBUG("Balancer = %d" NL, td_balancer);
// Should be the last, as with Emscripten, it's not a real sleep, but the settimeout JS stuff ...
emu_sleep(td_balancer);
}
void enterVariableLink(void) {
/* Wait for the GUI to finish whatever it needs to do */
do {
emu_sleep();
} while(emu_is_sending || emu_is_recieving);
}
