diff --git a/src/devices/cpu/mb86235/mb86235drc.cpp b/src/devices/cpu/mb86235/mb86235drc.cpp
index fd1e627a478..fa0b2edf87e 100644
--- a/src/devices/cpu/mb86235/mb86235drc.cpp
+++ b/src/devices/cpu/mb86235/mb86235drc.cpp
@@ -1336,6 +1336,24 @@ void mb86235_device::generate_alu(drcuml_block *block, compiler_state *compiler,
 			if (AU_CALC_REQUIRED) UML_MOV(block, FLAGS_AU, 0);
 			break;
 
+		case 0x19:		// OR
+			generate_alumul_input(block, compiler, desc, i2, I0, false, false);
+			UML_OR(block, alutemp ? mem(&m_core->alutemp) : get_alu_output(io), I0, get_alu1_input(i1));
+			if (AN_CALC_REQUIRED) UML_SETc(block, COND_S, FLAGS_AN);
+			if (AZ_CALC_REQUIRED) UML_SETc(block, COND_Z, FLAGS_AZ);
+			if (AV_CALC_REQUIRED) UML_MOV(block, FLAGS_AV, 0);
+			if (AU_CALC_REQUIRED) UML_MOV(block, FLAGS_AU, 0);
+			break;
+			
+		case 0x1a:		// XOR
+			generate_alumul_input(block, compiler, desc, i2, I0, false, false);
+			UML_XOR(block, alutemp ? mem(&m_core->alutemp) : get_alu_output(io), I0, get_alu1_input(i1));
+			if (AN_CALC_REQUIRED) UML_SETc(block, COND_S, FLAGS_AN);
+			if (AZ_CALC_REQUIRED) UML_SETc(block, COND_Z, FLAGS_AZ);
+			if (AV_CALC_REQUIRED) UML_MOV(block, FLAGS_AV, 0);
+			if (AU_CALC_REQUIRED) UML_MOV(block, FLAGS_AU, 0);
+			break;
+		
 		case 0x1c:      // LSR
 			generate_alumul_input(block, compiler, desc, i1, I0, false, false);
 			UML_SHR(block, I0, I0, i2);