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https://github.com/libretro/Mu.git
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85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
#include <PalmOS.h>
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#include <stdint.h>
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#include "testSuite.h"
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#include "emuFunctions.h"
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#include "viewer.h"
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#include "cpu.h"
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static char cpuStringBuffer[100];
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uint8_t getPhysicalCpuType(){
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long osVer;
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FtrGet(sysFtrCreator, sysFtrNumROMVersion, &osVer);
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if(isEmulator())
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return CPU_NONE;
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else if(osVer >= PalmOS50)
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return CPU_ARM;
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/*get dragonball cpu sub type*/
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return CPU_M68K;
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}
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uint8_t getSupportedInstructionSets(){
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if((getPhysicalCpuType() & CPU_ARM) || isEmulator()){
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/*emulated m68k on physical arm or running both cpus from emulator*/
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return CPU_BOTH;
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}
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return CPU_M68K;
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}
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char* getCpuString(){
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uint8_t cpuType = getPhysicalCpuType() & CPU_TYPES;
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if(cpuType == CPU_NONE){
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StrPrintF(cpuStringBuffer, "CPU:Emulator, InstructionSets:%s", isEmulatorFeatureEnabled(FEATURE_HYBRID_CPU) ? "68k|arm" : "68k");
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}
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else if(cpuType == CPU_ARM){
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StrPrintF(cpuStringBuffer, "CPU:ARM(Type Unknown), InstructionSets:68k|arm");
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}
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else if(cpuType == CPU_M68K){
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uint8_t dragonballSubtype = getPhysicalCpuType() & CPU_M68K_TYPES;
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char* dragonballTypeName;
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switch(dragonballSubtype){
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case CPU_M68K_328:
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dragonballTypeName = "328";
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break;
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case CPU_M68K_EZ:
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dragonballTypeName = "EZ";
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break;
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case CPU_M68K_VZ:
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dragonballTypeName = "VZ";
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break;
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case CPU_M68K_SZ:
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dragonballTypeName = "SZ";
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break;
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}
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/*add die revision here*/
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StrPrintF(cpuStringBuffer, "CPU:Dragonball %s, InstructionSets:68k", dragonballTypeName);
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}
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return cpuStringBuffer;
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}
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var enterUnsafeMode(){
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exitSubprogram();/*only run once/for one frame*/
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if((getPhysicalCpuType() & CPU_M68K) || isEmulator()){
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/*here all ram banks must be set to read/write and all memory access execptions must be turned off, along with most interrupts*/
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unsafeMode = true;
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resetFunctionViewer();
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return makeVar(LENGTH_1, TYPE_BOOL, true);/*now in unsafe mode*/
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}
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return makeVar(LENGTH_1, TYPE_BOOL, false);
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}
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