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SCP: Reject throttling setting when throttling was previously enabled

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This commit is contained in:
Mark Pizzolato
2023-10-13 09:37:20 -10:00
parent 985137cbff
commit df96d1dbe1
2 changed files with 8 additions and 0 deletions
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7
sim_timer.c
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@@ -186,6 +186,7 @@ static uint32 sim_throt_delay = 3;
static int32 sim_int_clk_tps;
static t_bool sim_timer_calib_enabled = TRUE;
static struct timespec sim_timer_uncalib_base_time = {0, 0};
static t_bool sim_throttle_has_been_enabled = FALSE;
typedef struct RTC {
UNIT *clock_unit; /* registered ticking clock unit */
@@ -1863,6 +1864,7 @@ t_stat sim_set_throt (int32 arg, CONST char *cptr)
{
CONST char *tptr;
char c;
uint32 saved_throt_type = sim_throt_type;
t_value val, val2 = 0;
if (arg == 0) {
@@ -1899,6 +1901,10 @@ else {
else if ((c == '/') && (val2 != 0))
sim_throt_type = SIM_THROT_SPC;
else return sim_messagef (SCPE_ARG, "Invalid throttle specification: %s\n", cptr);
if (sim_throttle_has_been_enabled) {
sim_throt_type = saved_throt_type;
return sim_messagef (SCPE_ARG, "Throttling was previously enabled. Restart to change throttling\n");
}
if (sim_idle_enab) {
sim_printf ("Idling disabled\n");
sim_clr_idle (NULL, 0, NULL, NULL);
@@ -1925,6 +1931,7 @@ if (sim_throt_type == SIM_THROT_SPC) /* Set initial value while correct one i
sim_throt_cps = (int32)((1000.0 * sim_throt_val) / (double)sim_throt_sleep_time);
else
sim_throt_cps = sim_precalibrate_ips;
sim_throttle_has_been_enabled = TRUE;
return SCPE_OK;
}