diff --git a/src/emu/cpu/i386/i386op32.c b/src/emu/cpu/i386/i386op32.c
index 35de63673f0..c95d4276902 100644
--- a/src/emu/cpu/i386/i386op32.c
+++ b/src/emu/cpu/i386/i386op32.c
@@ -2655,6 +2655,42 @@ static void I386OP(group0F00_32)(i386_state *cpustate)			// Opcode 0x0f 00
 
 	switch( (modrm >> 3) & 0x7 )
 	{
+		case 0:			/* SLDT */
+			if ( PROTECTED_MODE && !V8086_MODE )
+			{
+				if( modrm >= 0xc0 ) {
+					address = LOAD_RM32(modrm);
+					STORE_RM32(address, cpustate->ldtr.segment);
+					CYCLES(cpustate,CYCLES_SLDT_REG);
+				} else {
+					ea = GetEA(cpustate,modrm);
+					WRITE32(cpustate, ea, cpustate->ldtr.segment);
+					CYCLES(cpustate,CYCLES_SLDT_MEM);
+				}
+			}
+			else
+			{
+				i386_trap(cpustate,6, 0);
+			}
+			break;
+		case 1: 		/* STR */
+			if ( PROTECTED_MODE && !V8086_MODE )
+			{
+				if( modrm >= 0xc0 ) {
+					address = LOAD_RM32(modrm);
+					STORE_RM32(address, cpustate->task.segment);
+					CYCLES(cpustate,CYCLES_STR_REG);
+				} else {
+					ea = GetEA(cpustate,modrm);
+					WRITE32(cpustate, ea, cpustate->task.segment);
+					CYCLES(cpustate,CYCLES_STR_MEM);
+				}
+			}
+			else
+			{
+				i386_trap(cpustate,6, 0);
+			}
+			break;
 		case 2:			/* LLDT */
 			if ( PROTECTED_MODE && !V8086_MODE )
 			{
diff --git a/src/emu/cpu/i386/i386ops.c b/src/emu/cpu/i386/i386ops.c
index adcfd9bd8d1..89b668f3a54 100644
--- a/src/emu/cpu/i386/i386ops.c
+++ b/src/emu/cpu/i386/i386ops.c
@@ -2212,6 +2212,11 @@ static void I386OP(into)(i386_state *cpustate)				// Opcode 0xce
 static void I386OP(escape)(i386_state *cpustate)			// Opcodes 0xd8 - 0xdf
 {
 	UINT8 modrm = FETCH(cpustate);
+	if(modrm < 0xc0)
+	{
+		UINT32 ea;
+		ea = GetEA(cpustate,modrm);
+	}
 	CYCLES(cpustate,3);	// TODO: confirm this
 	(void) LOAD_RM8(modrm);
 }