the 14.u70 contain ay sound data changyu changyu.cpp #13273
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change to snd.
angelosa
reviewed
Jan 24, 2025
| @@ -508,7 +508,8 @@ ROM_START( changyu ) | |||
| ROM_LOAD( "2.u2", 0x08000, 0x08000, CRC(b9d78664) SHA1(763876f075f2b5b07e96b36b4e670dc466808f08) ) // 27C256 | |||
| ROM_LOAD( "3.u3", 0x10000, 0x08000, CRC(17cc6716) SHA1(df8af0fbe93b8f92219721a35772ef93bca7adb5) ) // 27C256 | |||
| ROM_LOAD( "4.u4", 0x18000, 0x08000, CRC(31b76c13) SHA1(c46da02aff8f57c0277e493c82e01970c0acd4fb) ) // 27C256 | |||
| ROM_LOAD( "14.u70", 0x20000, 0x08000, CRC(cdfdfe11) SHA1(b170f9a6e2c77ce3ae01aabc8a963a11eb7fe74e) ) // under the sub board and near an empty socket (u77), program for a removed second CPU? or for the first? | |||
| ROM_REGION(0x08000, "snd", 0) | |||
| ROM_LOAD( "14.u70", 0x00000, 0x08000, CRC(cdfdfe11) SHA1(b170f9a6e2c77ce3ae01aabc8a963a11eb7fe74e) ) // under the sub board and near an empty socket (u77), program for a removed second CPU? or for the first? | |||
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Contains a bank that (at best) it overlays with main CPU for sound, at 0x8000-0xbfff? (cfr. the RK2.ASM reference at head, similar to the one found in boot ROM), or just a left-over.
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changed to snd.
the same byte 8C B0 00 was used in good luck 2 and 999 which contain the sound data.