diff --git a/src/mame/drivers/pgm.c b/src/mame/drivers/pgm.c
index 7e6e49a1066..e51703fc776 100644
--- a/src/mame/drivers/pgm.c
+++ b/src/mame/drivers/pgm.c
@@ -2199,10 +2199,10 @@ ROM_START( kov2 )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(82f0a878) SHA1(ddd13e404252a71de1b2b3b974b910f899f51c38) )
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) )
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom",    0x2000000, 0x0800000, CRC(27527099) SHA1(e23cf366bdeaca1e009a5cec6b13164310a34384) )
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )
@@ -2230,10 +2230,10 @@ ROM_START( kov2106 )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(82f0a878) SHA1(ddd13e404252a71de1b2b3b974b910f899f51c38) )
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) )
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom",    0x2000000, 0x0800000, CRC(27527099) SHA1(e23cf366bdeaca1e009a5cec6b13164310a34384) )
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )
@@ -2262,10 +2262,10 @@ ROM_START( kov2103 )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(82f0a878) SHA1(ddd13e404252a71de1b2b3b974b910f899f51c38) )
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) )
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom",    0x2000000, 0x0800000, CRC(27527099) SHA1(e23cf366bdeaca1e009a5cec6b13164310a34384) )
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )
@@ -2294,10 +2294,10 @@ ROM_START( kov2102 )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(82f0a878) SHA1(ddd13e404252a71de1b2b3b974b910f899f51c38) )
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) )
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom",    0x2000000, 0x0800000, CRC(27527099) SHA1(e23cf366bdeaca1e009a5cec6b13164310a34384) )
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )
@@ -2325,10 +2325,10 @@ ROM_START( kov2101 )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(82f0a878) SHA1(ddd13e404252a71de1b2b3b974b910f899f51c38) )
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) )
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom",    0x2000000, 0x0800000, CRC(27527099) SHA1(e23cf366bdeaca1e009a5cec6b13164310a34384) )
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )
@@ -2356,10 +2356,10 @@ ROM_START( kov2100 )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(82f0a878) SHA1(ddd13e404252a71de1b2b3b974b910f899f51c38) )
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) )
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom",    0x2000000, 0x0800000, CRC(27527099) SHA1(e23cf366bdeaca1e009a5cec6b13164310a34384) )
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )
@@ -2387,10 +2387,10 @@ ROM_START( kov2p )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom_p",  0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) ) // either this or a1201.rom in kov2 is probably bad
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) ) 
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom_p",  0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) ) // either this or a1204.rom in kov2 is probably bad
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )
@@ -2418,10 +2418,10 @@ ROM_START( kov2p205 )
 
 	ROM_REGION( 0x2800000, "sprcol", 0 ) /* Sprite Colour Data */
 	ROM_LOAD( "a1200.rom",    0x0000000, 0x0800000, CRC(ceeb81d8) SHA1(5476729443fc1bc9593ae10fbf7cbc5d7290b017) )
-	ROM_LOAD( "a1201.rom_p",  0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) ) // either this or a1201.rom in kov2 is probably bad
+	ROM_LOAD( "a1201.rom",    0x0800000, 0x0800000, CRC(21063ca7) SHA1(cf561b44902425a920d5cbea5bf65dd9530b2289) ) 
 	ROM_LOAD( "a1202.rom",    0x1000000, 0x0800000, CRC(4bb92fae) SHA1(f0b6d72ed425de1c69dc8f8d5795ea760a4a59b0) )
 	ROM_LOAD( "a1203.rom",    0x1800000, 0x0800000, CRC(e73cb627) SHA1(4c6e48b845a5d1e8f9899010fbf273d54c2b8899) )
-	ROM_LOAD( "a1204.rom_p",  0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) ) // either this or a1204.rom in kov2 is probably bad
+	ROM_LOAD( "a1204.rom",    0x2000000, 0x0200000, CRC(14b4b5bb) SHA1(d7db5740eec971f2782fb2885ee3af8f2a796550) )
 
 	ROM_REGION( 0x1000000, "sprmask", 0 ) /* Sprite Masks + Colour Indexes */
 	ROM_LOAD( "b1200.rom",   0x0000000, 0x0800000,  CRC(bed7d994) SHA1(019dfba8154256d64cd249eb0fa4c451edce34b8) )