diff --git a/src/mame/drivers/cb2001.c b/src/mame/drivers/cb2001.c
index c0ef578dbdc..e50617aa156 100644
--- a/src/mame/drivers/cb2001.c
+++ b/src/mame/drivers/cb2001.c
@@ -46,32 +46,32 @@ In test mode (c) is 2000
 #define xxxx 0x90 /* Unknown */
 
 static const UINT8 cb2001_decryption_table[256] = {
-	0xe8,xxxx,xxxx,xxxx,0x80,0x61,0x12,0x27, 0x3c,xxxx,xxxx,0x23,xxxx,xxxx,xxxx,0x5f, /* 00 */
-//    pppp                pppp ???? pppp p?p?  pppp           p?p?                pppp
+	0xe8,xxxx,xxxx,xxxx,0x80,xxxx,0x12,0x27, 0x3c,xxxx,xxxx,0x23,xxxx,xxxx,xxxx,0x5f, /* 00 */
+//    pppp                pppp      pppp p?p?  pppp           p?p?                pppp
 	xxxx,xxxx,xxxx,0x27,0x1c,xxxx,xxxx,xxxx, 0x32,xxxx,0xa0,0xd3,0x3a,0x14,0x89,0x1f, /* 10 */
 //                   p?p? pppp                 pppp      ???? pppp pppp pppp pppp pppp
 	xxxx,0x8e,xxxx,0x0f,xxxx,0x49,0xb5,xxxx, 0x56,xxxx,xxxx,0x75,0x33,0xb6,xxxx,xxxx, /* 20 */
 //         !!!!      pppp      pppp pppp       pppp           pppp ???? pppp     
-	0x9d,xxxx,xxxx,xxxx,xxxx,0x0a,0x5b,xxxx, xxxx,xxxx,0x74,xxxx,xxxx,0xa6,xxxx,0x74, /* 30 */
-//    ????                     ???? pppp                 ????           ????      pppp
+	xxxx,xxxx,xxxx,xxxx,xxxx,0x0a,0x5b,xxxx, xxxx,xxxx,0x74,xxxx,xxxx,0xa6,xxxx,0x74, /* 30 */
+//                             ???? pppp                 ????           ????      pppp
 	xxxx,0xea,xxxx,xxxx,0xd0,0xb0,0x5e,xxxx, xxxx,0xa2,xxxx,xxxx,0xa3,xxxx,xxxx,0xb3, /* 40 */
 //         !!!!           ???? gggg pppp            pppp           pppp           ????
-	0x2b,xxxx,0x2c,xxxx,xxxx,xxxx,0x42,0xc0, xxxx,xxxx,xxxx,xxxx,0xeb,xxxx,xxxx,xxxx, /* 50 */
-//    ????      pppp                ???? pppp                      pppp
+	0x2b,xxxx,0x2c,xxxx,0x9d,xxxx,0x42,0xc0, xxxx,xxxx,xxxx,xxxx,0xeb,0xa4,xxxx,xxxx, /* 50 */
+//    ????      pppp      ????      ???? pppp                      pppp ????
 	xxxx,xxxx,xxxx,xxxx,0x22,xxxx,xxxx,xxxx, 0xa1,0xa5,xxxx,xxxx,xxxx,0xbb,0xba,xxxx, /* 60 */
 //                        pppp                 pppp ????                pppp gggg
 	0xc3,0x53,0x02,0x58,xxxx,xxxx,0x24,xxxx, 0x72,xxxx,0xf2,xxxx,xxxx,0x43,xxxx,xxxx, /* 70 */
 //    pppp pppp pppp pppp           pppp       pppp      ????           pppp
-	0x26,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,0x34, xxxx,xxxx,0x59,xxxx,0x73,xxxx,0x2a,xxxx, /* 80 */
-//    pppp                               ????            pppp      pppp      ????
-	xxxx,xxxx,0xe9,xxxx,xxxx,0xbe,xxxx,xxxx, xxxx,xxxx,0x57,xxxx,0xb9,xxxx,xxxx,xxxx, /* 90 */
-//              pppp           pppp                      pppp      pppp
-	xxxx,xxxx,xxxx,0x06,0xaa,0x9c,xxxx,0xb8, 0x4e,xxxx,0xdb,0x50,0x51,0xa5,xxxx,0x1a, /* A0 */
-//                   pppp pppp ????      !!!!  pppp      p?p? pppp pppp ????      pppp
+	0x26,xxxx,xxxx,xxxx,xxxx,xxxx,0xfb,0x34, xxxx,xxxx,0x59,xxxx,0x73,xxxx,0x2a,xxxx, /* 80 */
+//    pppp                          ???? ????            pppp      pppp      ????
+	xxxx,xxxx,0xe9,xxxx,xxxx,0xbe,xxxx,xxxx, xxxx,xxxx,0x57,xxxx,0xb9,xxxx,0xbe,xxxx, /* 90 */
+//              pppp           pppp                      pppp      pppp      ????
+	xxxx,xxxx,0xe6,0x06,0xaa,0x9c,xxxx,0xb8, 0x4e,xxxx,0xdb,0x50,0x51,0xa5,xxxx,0x1a, /* A0 */
+//              ???? pppp pppp ????      !!!!  pppp      p?p? pppp pppp ????      pppp
 	0xac,xxxx,0xb4,xxxx,xxxx,0x83,xxxx,xxxx, xxxx,xxxx,0x03,xxxx,0x1e,xxxx,0x07,0xcf, /* B0 */
 //    pppp      pppp           pppp                      pppp      pppp      pppp ????
-	xxxx,0xec,0xee,xxxx,xxxx,0xe2,0x87,xxxx, xxxx,xxxx,0x76,xxxx,xxxx,xxxx,0x2e,xxxx, /* C0 */
-//         pppp pppp           pppp pppp                 pppp                pppp
+	xxxx,0xec,0xee,xxxx,xxxx,0xe2,0x87,xxxx, xxxx,xxxx,0x76,0x61,xxxx,xxxx,0x2e,xxxx, /* C0 */
+//         pppp pppp           pppp pppp                 pppp ????           pppp
 	xxxx,xxxx,0x46,xxxx,0x60,xxxx,xxxx,0x47, 0x88,xxxx,xxxx,xxxx,xxxx,0xfa,0xc7,0x8b, /* D0 */
 //              pppp      ????           pppp  pppp                     ???? !!!! pppp
 	0x8a,0xb1,xxxx,0xc6,xxxx,0x5a,xxxx,xxxx, xxxx,0x52,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, /* E0 */
@@ -94,7 +94,7 @@ e0093 78 03             bc e0098
 probably "aa" is an undocumented opcode
 
 1) aa 1e ## ## -> bb mov bw,####
-_     1e ## ## -> 89 mov
+_     1e ## ## -> 89 mov 
 
 2) aa 26 ## ## -> bc mov sp,####
 _     26 ##    -> b5 mov ch,##