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r20114 Monday 7th January, 2013 at 11:17:37 UTC by Barry Rodewald
s11b,s11c: Writes to 0x68xx appear to pulse the BG CVSD clock input.  Speech output on s11c games now works.
[src/mame/drivers]s11b.c s11c.c

trunk/src/mame/drivers/s11c.c
r20113r20114
582582   ROM_REGION(0x10000, "maincpu", 0)
583583   ROM_LOAD("strx_u26.p7", 0x4000, 0x4000, CRC(0d2a401c) SHA1(b0a0899dcde04dc42e4fd5d6baf39bb0e81dbb34))
584584   ROM_LOAD("strx_u27.p7", 0x8000, 0x8000, CRC(6e9c0632) SHA1(5c0ea2b60dd9001b802d2ecdb5c381ab05f08ec9))
585   ROM_REGION(0x10000, "cpu3", ROMREGION_ERASEFF)
585   ROM_REGION(0x10000, "cpu3", ROMREGION_ERASEFF)  // TODO: add generic sound board hardware
586586   ROM_REGION(0x10000, "sound2", 0)
587587   ROM_LOAD("strx_u21.l1", 0x0000, 0x8000, CRC(6a323227) SHA1(7c7263754e5672c654a2ee9582f0b278e637a909))
588588   ROM_LOAD("strx_u22.l1", 0x8000, 0x8000, CRC(58407eb4) SHA1(6bd9b304c88d9470eae5afb6621187f4a8313573))
trunk/src/mame/drivers/s11b.c
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151151
152152WRITE8_MEMBER( s11b_state::bg_speech_clock_w )
153153{
154   hc55516_clock_w(m_bg_hc55516, data);
154   // pulses clock input?
155   hc55516_clock_w(m_bg_hc55516, 1);
156   hc55516_clock_w(m_bg_hc55516, 0);
155157}
156158
157159WRITE8_MEMBER( s11b_state::bg_speech_digit_w )

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