diff options
| author | 2025-10-25 03:19:10 +0200 | |
|---|---|---|
| committer | 2025-10-25 03:19:10 +0200 | |
| commit | 21dca69e0d6a58ad10137ba444d36c741e9793ee (patch) | |
| tree | 2181533726c44acd9b6fdfbf6700ed7beada849d | |
| parent | ce8be92e389f2e8df3e3864d1d4e7a7c71fe9223 (diff) | |
Nove Diamante improvements:
Removed the loaned bipolar PROMS and decoded the color data EPROM
from the game PCB, splitting the byte nibbles creating 4bit data
for the game palette.
| -rw-r--r-- | src/mame/igs/goldstar.cpp | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/mame/igs/goldstar.cpp b/src/mame/igs/goldstar.cpp index fc92a8b576e..d5efa56246b 100644 --- a/src/mame/igs/goldstar.cpp +++ b/src/mame/igs/goldstar.cpp @@ -24230,13 +24230,8 @@ ROM_START( noved ) ROM_LOAD( "w27c512 winbond eeprom u27.bin", 0x0000, 0x8000, CRC(5f0882de) SHA1(a32a64f905f755dbe146710ed441fa78e55acbaf) ) // 1ST AND 2ND HALF IDENTICAL ROM_IGNORE( 0x8000 ) - // taken from new fruit bonus '96, might be wrong - ROM_REGION( 0x200, "proms", 0 ) // palette - ROM_LOAD( "chu19.bin", 0x0000, 0x0100, BAD_DUMP CRC(fafc43ad) SHA1(e94592b83f19e5f9b6205473c1e06b36405ebfc2) ) - ROM_LOAD( "chu20.bin", 0x0100, 0x0100, BAD_DUMP CRC(05224f73) SHA1(051c3ee9c63f5436e4f6c355fc308f37910a88ef) ) - - ROM_REGION( 0x100, "proms2", 0 ) // colours again? - ROM_LOAD( "w27c512 winbond eeprom u57.bin", 0x00000, 0x100, CRC(84256478) SHA1(90c1abe26487682712d4514b113311400bf37ff3) ) // BADADDR --------xxxxxxxx + ROM_REGION( 0x200, "proms", 0 ) // colours + ROM_LOAD( "w27c512 winbond eeprom u57.bin", 0x0000, 0x100, CRC(84256478) SHA1(90c1abe26487682712d4514b113311400bf37ff3) ) // BADADDR --------xxxxxxxx ROM_IGNORE( 0x0ff00 ) ROM_END @@ -29608,6 +29603,19 @@ void cmaster_state::init_noved() { uint8_t *rom = memregion("maincpu")->base(); rom[0x5551] = 0x00; // avoids link error + + // split the byte nibbles creating 4bit data for the whole game palette. + uint8_t *proms = memregion("proms")->base(); + + for (int i = 0; i < 0x100; i++) + { + uint8_t nibble1 = proms[i] >> 4; + uint8_t nibble2 = proms[i] & 0x0f; + proms[i] = nibble1; + proms[i + 0x100] = nibble2; + } + + m_palette->update(); } |
