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added cpu cycle changing by configfile

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1479
This commit is contained in:
Peter Veenstra 2003-12-10 13:20:26 +00:00
parent 40e2a1507a
commit 6fdc7a5359
1 changed files with 23 additions and 8 deletions
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31
src/cpu/cpu.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: cpu.cpp,v 1.39 2003-11-18 22:35:56 harekiet Exp $ */
/* $Id: cpu.cpp,v 1.40 2003-12-10 13:20:26 qbix79 Exp $ */
#include <assert.h>
#include "dosbox.h"
@ -38,9 +38,11 @@ CPU_Regs cpu_regs;
CPUBlock cpu;
Segments Segs;
Bits CPU_Cycles=0;
Bits CPU_CycleLeft=0;
Bits CPU_CycleMax=1500;
Bits CPU_Cycles = 0;
Bits CPU_CycleLeft = 0;
Bits CPU_CycleMax = 1800;
Bits CPU_CycleUp = 0;
Bits CPU_CycleDown = 0;
CPU_Decoder * cpudecoder;
void CPU_Real_16_Slow_Start(bool big);
@ -1144,7 +1146,12 @@ void CPU_HLT(Bitu oplen) {
extern void GFX_SetTitle(Bits cycles ,Bits frameskip);
static void CPU_CycleIncrease(void) {
Bits old_cycles=CPU_CycleMax;
CPU_CycleMax=(Bits)(CPU_CycleMax*1.2);
if(CPU_CycleUp < 100){
CPU_CycleMax = (Bits)(CPU_CycleMax * (1 + (float)CPU_CycleUp / 100.0));
} else {
CPU_CycleMax = (Bits)(CPU_CycleMax + CPU_CycleUp);
}
CPU_CycleLeft=0;CPU_Cycles=0;
if (CPU_CycleMax==old_cycles) CPU_CycleMax++;
LOG_MSG("CPU:%d cycles",CPU_CycleMax);
@ -1152,9 +1159,13 @@ static void CPU_CycleIncrease(void) {
}
static void CPU_CycleDecrease(void) {
CPU_CycleMax=(Bits)(CPU_CycleMax/1.2);
if(CPU_CycleDown < 100){
CPU_CycleMax = (Bits)(CPU_CycleMax / (1 + (float)CPU_CycleDown / 100.0));
} else {
CPU_CycleMax = (Bits)(CPU_CycleMax - CPU_CycleDown);
}
CPU_CycleLeft=0;CPU_Cycles=0;
if (!CPU_CycleMax) CPU_CycleMax=1;
if (CPU_CycleMax <= 0) CPU_CycleMax=1;
LOG_MSG("CPU:%d cycles",CPU_CycleMax);
GFX_SetTitle(CPU_CycleMax,-1);
}
@ -1196,7 +1207,11 @@ void CPU_Init(Section* sec) {
CPU_Cycles=0;
CPU_CycleMax=section->Get_int("cycles");;
if (!CPU_CycleMax) CPU_CycleMax=1500;
CPU_CycleUp=section->Get_int("cycleup");
CPU_CycleDown=section->Get_int("cycledown");
if (!CPU_CycleMax) CPU_CycleMax = 1800;
if(!CPU_CycleUp) CPU_CycleUp = 500;
if(!CPU_CycleDown) CPU_CycleDown = 20;
CPU_CycleLeft=0;
GFX_SetTitle(CPU_CycleMax,-1);
}