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added option to enable thumb cycle counting via emulated ROM

This commit is contained in:
thrust26 2024-06-03 13:27:10 +02:00
parent 02e35daa3c
commit 40ba8969ea
1 changed files with 5 additions and 1 deletions
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6
src/emucore/Thumbulator.cxx
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@ -510,7 +510,6 @@ void Thumbulator::write32(uInt32 addr, uInt32 data)
mamcr = static_cast<MamModeType>(data); mamcr = static_cast<MamModeType>(data);
break; break;
#endif #endif
default: default:
break; break;
} }
@ -760,6 +759,11 @@ uInt32 Thumbulator::read32(uInt32 addr)
case 0xE000E018: case 0xE000E018:
data = systick_count; data = systick_count;
return data; return data;
#ifdef THUMB_CYCLE_COUNT
case 0xE01FC100: // APBDIV
_countCycles = true; // enabe cycle counting
return 1; // random value
#endif
#ifndef UNSAFE_OPTIMIZATIONS #ifndef UNSAFE_OPTIMIZATIONS
case 0xE000E01C: case 0xE000E01C: