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@ -1598,8 +1598,11 @@ READ16_MEMBER(namcos22_state::namcos22_keycus_r)
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// It works in combination with keycus_w, but not yet understood how.
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// printf("Hit keycus offs %x mask %x PC=%x\n", offset, mem_mask, space.device().safe_pc());
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// protection (not used for all games)
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// note: some games will XOR this register against a magic value, but that doesn't mean
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// that the magic value is the keycus id. For example dirtdash XORs against $2c79, but its
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// keycus id is $01a2 evident from a simple compare.
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switch (m_gametype)
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{
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case NAMCOS22_RIDGE_RACER2:
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@ -5622,7 +5625,8 @@ DRIVER_INIT_MEMBER(namcos22_state,propcycl)
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{
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UINT32 *ROM = (UINT32 *)memregion("maincpu")->base();
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/* patch out strange routine (uninitialized-eprom related?) */
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// patch out strange routine (uninitialized-eeprom related?)
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// maybe needs more accurate 28C64 eeprom device emulation
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ROM[0x1992C/4] = 0x4e754e75;
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/**
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