Patch: Fix DISP32 for ADD_RM32_R32

2026-02-04 22:56:38 +01:00
parent 92b4d0b546
commit fe1370359e
3 changed files with 11 additions and 2 deletions
--- a/src/ExecutorCases.cpp
+++ b/src/ExecutorCases.cpp
@@ -52,6 +52,15 @@ namespace executor_cases {
      cc.m_Bus->WriteX<uint32_t>(dstAddress, result);
      break;
    }
+    case x86::ModRMState::DISP32:
+    {
+      uint32_t dstAddress = cc.m_Instruction.m_Operand1;
+      uint32_t dstPrevValue = cc.m_Bus->AccessX<uint32_t>(dstAddress);
+      uint32_t currRegValue = cc.m_Registers[modrm.m_Reg];
+      uint32_t result = dstPrevValue + currRegValue;
+      cc.m_Bus->WriteX<uint32_t>(dstAddress, result);
+      break;
+    }
    default:
    {
      throw std::runtime_error("Invalid ModRM State encountered during Add_rm32_r32");