diff --git a/src/devices/cpu/m6809/m6809.ops b/src/devices/cpu/m6809/m6809.ops
index 125be18..e65f2dc 100644
--- a/src/devices/cpu/m6809/m6809.ops
+++ b/src/devices/cpu/m6809/m6809.ops
@@ -293,6 +293,8 @@ DISPATCH10:
 
 		case 0x3F:													%SWI2;		return;
 
+		case 0x4F:										set_a();	%CLR8;		return;
+
 		case 0x83:				set_regop16(m_q.p.d);	set_imm();		%CMP16;		return;
 		case 0x8C:				set_regop16(m_y);	set_imm();		%CMP16;		return;
 		case 0x8E:				set_regop16(m_y);	set_imm();		%LD16;		return;