valter/dosbox-staging
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tweak size of auto-cycle interval (ih8regs);

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switch to auto-cycle guessing if appropriate


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2660
This commit is contained in:
Sebastian Strohhäcker 2006-06-25 18:49:32 +00:00
parent caf6a80ef4
commit 97470261fb
5 changed files with 38 additions and 21 deletions
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10
src/dosbox.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dosbox.cpp,v 1.99 2006-03-28 10:17:34 qbix79 Exp $ */
/* $Id: dosbox.cpp,v 1.100 2006-06-25 18:49:32 c2woody Exp $ */
#include <stdlib.h>
#include <stdarg.h>
@ -158,7 +158,7 @@ increaseticks:
ticksRemain = 20;
}
ticksAdded = ticksRemain;
if (CPU_CycleAuto && (ticksScheduled >= 1000 || ticksDone >= 1000) ) {
if (CPU_CycleAutoAdjust && (ticksAdded > 15 || ticksScheduled >= 250 || ticksDone >= 250) ) {
/* ratio we are aiming for is around 90% usage*/
Bits ratio = (ticksScheduled * (90*1024/100)) / ticksDone ;
// LOG_MSG("Done %d schedulded %d ratio %d cycles %d", ticksDone, ticksScheduled, ratio, CPU_CycleMax);
@ -276,7 +276,7 @@ void DOSBOX_Init(void) {
secprop=control->AddSection_prop("cpu",&CPU_Init,true);//done
secprop->Add_string("core","normal");
secprop->Add_string("cycles","3000");
secprop->Add_string("cycles","auto");
secprop->Add_int("cycleup",500);
secprop->Add_int("cycledown",20);
MSG_Add("CPU_CONFIGFILE_HELP",
@ -287,8 +287,8 @@ void DOSBOX_Init(void) {
".\n"
"cycles -- Amount of instructions dosbox tries to emulate each millisecond.\n"
" Setting this higher than your machine can handle is bad!\n"
" You can also let DOSBox guess the correct value by setting it to auto.\n"
" Please note that this guessing feature is still experimental.\n"
" You can also let DOSBox guess the correct value by setting it to max.\n"
" The default setting (auto) switches to max if appropriate.\n"
"cycleup -- Amount of cycles to increase/decrease with keycombo.\n"
"cycledown Setting it lower than 100 will be a percentage.\n"
);