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fix soundchip clock + added note
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1 changed files with 7 additions and 2 deletions
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@ -23,6 +23,9 @@ which I suspect is one of the flashROMs that is acting like a standard ROM and i
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Upon inspecting the GNET top board, it appears flash.u30 is the sub-BIOS and perhaps U27 is something sound related.
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The flashROMs at U55, U56 & U29 appear to be the ones that are re-flashed when swapping game carts.
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Not every game uses the Taito Zoom sound hardware, these are: Otenami Haiken, Otenami Haiken Final,
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Zoku Otenamihaiken, Zooo, and possibly Space Invaders Anniversary.
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PCB Layouts
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-----------
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(Standard ZN2 Motherboard)
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@ -415,6 +418,8 @@ WRITE8_MEMBER(taitogn_state::control_w)
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m_mn10200->set_input_line(INPUT_LINE_RESET, (data & 0x10) ? ASSERT_LINE : CLEAR_LINE);
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if (~data & m_control & 0x10)
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{
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logerror("control_w Zoom reset\n");
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// assume that this also readys the sound flash chips
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m_pgmflash->write(0, 0xff);
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m_sndflash0->write(0, 0xff);
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@ -667,7 +672,7 @@ static MACHINE_CONFIG_START( coh3002t, taitogn_state )
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MCFG_CPU_MODIFY("mn10200")
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MCFG_CPU_PROGRAM_MAP(taitogn_mn_map)
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MCFG_SOUND_REPLACE("zsg2", ZSG2, XTAL_25MHz/2)
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MCFG_SOUND_REPLACE("zsg2", ZSG2, XTAL_25MHz)
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MCFG_ZSG2_EXT_READ_HANDLER(READ32(taitogn_state, zsg2_ext_r))
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MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
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@ -1037,7 +1042,7 @@ GAME( 1999, otenamih, taitogn, coh3002t, coh3002t, driver_device, 0, ROT0, "S
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GAME( 2005, otenamhf, taitogn, coh3002t, coh3002t, driver_device, 0, ROT0, "Success / Warashi", "Otenami Haiken Final (V2.07JC)", GAME_IMPERFECT_SOUND )
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GAME( 2000, psyvaria, taitogn, coh3002t, coh3002t, driver_device, 0, ROT270, "Success", "Psyvariar -Medium Unit- (V2.04J)", GAME_IMPERFECT_SOUND )
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GAME( 2000, psyvarrv, taitogn, coh3002t, coh3002t, driver_device, 0, ROT270, "Success", "Psyvariar -Revision- (V2.04J)", GAME_IMPERFECT_SOUND )
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GAME( 2000, zokuoten, taitogn, coh3002t, coh3002t, driver_device, 0, ROT0, "Success", "Zoku Otenamihaiken (V2.03J)", GAME_IMPERFECT_SOUND )
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GAME( 2000, zokuoten, taitogn, coh3002t, coh3002t, driver_device, 0, ROT0, "Success", "Zoku Otenamihaiken (V2.03J)", GAME_IMPERFECT_SOUND ) // boots the soundcpu without any valid code, causing an infinite NMI loop
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GAME( 2004, zooo, taitogn, coh3002t, coh3002t, driver_device, 0, ROT0, "Success", "Zooo (V2.01J)", GAME_IMPERFECT_SOUND )
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GAME( 1999, mahjngoh, taitogn, coh3002t_mp, coh3002t_mp, driver_device, 0, ROT0, "Warashi / Mahjong Kobo / Taito", "Mahjong Oh (V2.06J)", GAME_IMPERFECT_SOUND )
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