diff --git a/src/emu/cpu/mcs48/mcs48.c b/src/emu/cpu/mcs48/mcs48.c
index 58c4e1ef7bc..68ff876bd2c 100644
--- a/src/emu/cpu/mcs48/mcs48.c
+++ b/src/emu/cpu/mcs48/mcs48.c
@@ -1515,6 +1515,8 @@ static void mcs48_generic_get_info(const device_config *devconfig, running_devic
 
 
 /* Official Intel MCS-48 parts */
+CPU_GET_INFO( i8021 )  { mcs48_generic_get_info(devconfig, device, state, info, MCS48_FEATURE, 1024,  64, "I8021"); }
+CPU_GET_INFO( i8022 )  { mcs48_generic_get_info(devconfig, device, state, info, MCS48_FEATURE, 2048, 128, "I8022"); }
 CPU_GET_INFO( i8035 )  { mcs48_generic_get_info(devconfig, device, state, info, MCS48_FEATURE,    0,  64, "I8035"); }
 CPU_GET_INFO( i8048 )  { mcs48_generic_get_info(devconfig, device, state, info, MCS48_FEATURE, 1024,  64, "I8048"); }
 CPU_GET_INFO( i8648 )  { mcs48_generic_get_info(devconfig, device, state, info, MCS48_FEATURE, 1024,  64, "I8648"); }
diff --git a/src/emu/cpu/mcs48/mcs48.h b/src/emu/cpu/mcs48/mcs48.h
index 34e1c253b8e..8a586bb951c 100644
--- a/src/emu/cpu/mcs48/mcs48.h
+++ b/src/emu/cpu/mcs48/mcs48.h
@@ -87,6 +87,8 @@ enum
     MACROS
 ***************************************************************************/
 
+#define CPU_I8021 CPU_GET_INFO_NAME( i8021 )
+#define CPU_I8022 CPU_GET_INFO_NAME( i8022 )
 #define CPU_I8035 CPU_GET_INFO_NAME( i8035 )
 #define CPU_I8048 CPU_GET_INFO_NAME( i8048 )
 #define CPU_I8648 CPU_GET_INFO_NAME( i8648 )
@@ -114,6 +116,8 @@ enum
 ***************************************************************************/
 
 /* Official Intel MCS-48 parts */
+CPU_GET_INFO( i8021 );			/* 1k internal ROM,		 64 bytes internal RAM */
+CPU_GET_INFO( i8022 );			/* 2k internal ROM,		128 bytes internal RAM */
 CPU_GET_INFO( i8035 );			/* external ROM,         64 bytes internal RAM */
 CPU_GET_INFO( i8048 );			/* 1k internal ROM,      64 bytes internal RAM */
 CPU_GET_INFO( i8648 );			/* 1k internal OTP ROM,  64 bytes internal RAM */