tweak size of auto-cycle interval (ih8regs);
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
parent
caf6a80ef4
commit
97470261fb
5 changed files with 38 additions and 21 deletions
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@ -33,7 +33,8 @@
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extern Bits CPU_Cycles;
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extern Bits CPU_CycleLeft;
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extern Bits CPU_CycleMax;
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extern bool CPU_CycleAuto;
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extern bool CPU_CycleAutoAdjust;
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extern bool CPU_AutoDetermineMode;
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/* Some common Defines */
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/* A CPU Handler */
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: callback.cpp,v 1.32 2006-04-22 15:25:44 c2woody Exp $ */
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/* $Id: callback.cpp,v 1.33 2006-06-25 18:49:32 c2woody Exp $ */
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#include <stdlib.h>
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#include <string.h>
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@ -70,7 +70,7 @@ void CALLBACK_Idle(void) {
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reg_eip=oldeip;
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SegSet16(cs,oldcs);
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SETFLAGBIT(IF,oldIF);
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if (!CPU_CycleAuto && CPU_Cycles>0)
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if (!CPU_CycleAutoAdjust && CPU_Cycles>0)
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CPU_Cycles=0;
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}
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: cpu.cpp,v 1.81 2006-04-27 13:22:27 c2woody Exp $ */
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/* $Id: cpu.cpp,v 1.82 2006-06-25 18:49:32 c2woody Exp $ */
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#include <assert.h>
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#include "dosbox.h"
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@ -29,6 +29,7 @@
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#include "support.h"
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Bitu DEBUG_EnableDebugger(void);
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extern void GFX_SetTitle(Bits cycles ,Bits frameskip,bool paused);
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#if 1
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#undef LOG
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@ -45,7 +46,8 @@ Bits CPU_CycleMax = 2500;
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Bits CPU_CycleUp = 0;
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Bits CPU_CycleDown = 0;
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CPU_Decoder * cpudecoder;
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bool CPU_CycleAuto;
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bool CPU_CycleAutoAdjust;
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bool CPU_AutoDetermineMode;
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void CPU_Core_Full_Init(void);
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void CPU_Core_Normal_Init(void);
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@ -1431,13 +1433,26 @@ void CPU_SET_CRX(Bitu cr,Bitu value) {
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switch (cr) {
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case 0:
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{
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Bitu changed=cpu.cr0 ^ value;
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Bitu changed=cpu.cr0 ^ value;
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if (!changed) return;
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cpu.cr0=value;
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if (value & CR0_PROTECTION) {
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cpu.pmode=true;
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LOG(LOG_CPU,LOG_NORMAL)("Protected mode");
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PAGING_Enable((value & CR0_PAGING)>0);
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if (!CPU_AutoDetermineMode) break;
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CPU_AutoDetermineMode=false;
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CPU_CycleAutoAdjust=true;
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CPU_CycleLeft=0;
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CPU_Cycles=0;
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CPU_CycleMax=0;
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/* #if (C_DYNAMIC_X86)
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CPU_Core_Dyn_X86_Cache_Init(true);
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cpudecoder=&CPU_Core_Dyn_X86_Run;
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#endif */
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GFX_SetTitle(-1,-1,false);
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} else {
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cpu.pmode=false;
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if (value & CR0_PAGING) LOG_MSG("Paging requested without PE=1");
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@ -1889,9 +1904,8 @@ void CPU_ENTER(bool use32,Bitu bytes,Bitu level) {
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reg_esp=(reg_esp&cpu.stack.notmask)|((sp_index)&cpu.stack.mask);
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}
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extern void GFX_SetTitle(Bits cycles ,Bits frameskip,bool paused);
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static void CPU_CycleIncrease(bool pressed) {
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if (!pressed || CPU_CycleAuto)
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if (!pressed || CPU_CycleAutoAdjust)
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return;
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Bits old_cycles=CPU_CycleMax;
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if(CPU_CycleUp < 100){
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@ -1907,7 +1921,7 @@ static void CPU_CycleIncrease(bool pressed) {
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}
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static void CPU_CycleDecrease(bool pressed) {
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if (!pressed || CPU_CycleAuto)
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if (!pressed || CPU_CycleAutoAdjust)
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return;
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if(CPU_CycleDown < 100){
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CPU_CycleMax = (Bits)(CPU_CycleMax / (1 + (float)CPU_CycleDown / 100.0));
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@ -1978,12 +1992,14 @@ public:
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CPU_CycleLeft=0;//needed ?
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CPU_Cycles=0;
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const char *cyclesLine = section->Get_string("cycles");
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if (!strcasecmp(cyclesLine,"auto")) {
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CPU_AutoDetermineMode=false;
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if (!strcasecmp(cyclesLine,"max")) {
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CPU_CycleMax=0;
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CPU_CycleAuto=true;
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CPU_CycleAutoAdjust=true;
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} else {
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if (!strcasecmp(cyclesLine,"auto")) CPU_AutoDetermineMode=true;
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CPU_CycleMax=atoi(cyclesLine);
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CPU_CycleAuto=false;
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CPU_CycleAutoAdjust=false;
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}
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CPU_CycleUp=section->Get_int("cycleup");
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CPU_CycleDown=section->Get_int("cycledown");
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dosbox.cpp,v 1.99 2006-03-28 10:17:34 qbix79 Exp $ */
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/* $Id: dosbox.cpp,v 1.100 2006-06-25 18:49:32 c2woody Exp $ */
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#include <stdlib.h>
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#include <stdarg.h>
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@ -158,7 +158,7 @@ increaseticks:
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ticksRemain = 20;
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}
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ticksAdded = ticksRemain;
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if (CPU_CycleAuto && (ticksScheduled >= 1000 || ticksDone >= 1000) ) {
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if (CPU_CycleAutoAdjust && (ticksAdded > 15 || ticksScheduled >= 250 || ticksDone >= 250) ) {
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/* ratio we are aiming for is around 90% usage*/
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Bits ratio = (ticksScheduled * (90*1024/100)) / ticksDone ;
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// LOG_MSG("Done %d schedulded %d ratio %d cycles %d", ticksDone, ticksScheduled, ratio, CPU_CycleMax);
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@ -276,7 +276,7 @@ void DOSBOX_Init(void) {
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secprop=control->AddSection_prop("cpu",&CPU_Init,true);//done
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secprop->Add_string("core","normal");
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secprop->Add_string("cycles","3000");
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secprop->Add_string("cycles","auto");
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secprop->Add_int("cycleup",500);
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secprop->Add_int("cycledown",20);
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MSG_Add("CPU_CONFIGFILE_HELP",
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@ -287,8 +287,8 @@ void DOSBOX_Init(void) {
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".\n"
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"cycles -- Amount of instructions dosbox tries to emulate each millisecond.\n"
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" Setting this higher than your machine can handle is bad!\n"
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" You can also let DOSBox guess the correct value by setting it to auto.\n"
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" Please note that this guessing feature is still experimental.\n"
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" You can also let DOSBox guess the correct value by setting it to max.\n"
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" The default setting (auto) switches to max if appropriate.\n"
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"cycleup -- Amount of cycles to increase/decrease with keycombo.\n"
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"cycledown Setting it lower than 100 will be a percentage.\n"
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);
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: sdlmain.cpp,v 1.117 2006-06-12 19:11:14 qbix79 Exp $ */
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/* $Id: sdlmain.cpp,v 1.118 2006-06-25 18:49:32 c2woody Exp $ */
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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@ -208,7 +208,7 @@ struct SDL_Block {
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static SDL_Block sdl;
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extern const char* RunningProgram;
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extern bool CPU_CycleAuto;
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extern bool CPU_CycleAutoAdjust;
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//Globals for keyboard initialisation
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bool startup_state_numlock=false;
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bool startup_state_capslock=false;
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@ -218,8 +218,8 @@ void GFX_SetTitle(Bits cycles,Bits frameskip,bool paused){
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static Bits internal_frameskip=0;
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if(cycles != -1) internal_cycles = cycles;
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if(frameskip != -1) internal_frameskip = frameskip;
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if(CPU_CycleAuto)
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sprintf(title,"DOSBox %s, Cpu Cycles: auto, Frameskip %2d, Program: %8s",VERSION,internal_frameskip,RunningProgram);
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if(CPU_CycleAutoAdjust)
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sprintf(title,"DOSBox %s, Cpu Cycles: max, Frameskip %2d, Program: %8s",VERSION,internal_frameskip,RunningProgram);
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else
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sprintf(title,"DOSBox %s, Cpu Cycles: %8d, Frameskip %2d, Program: %8s",VERSION,internal_cycles,internal_frameskip,RunningProgram);
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