From 8e2275c44a033e35421af7ee3fbbb2ba590f690a Mon Sep 17 00:00:00 2001 From: AJR Date: Sun, 25 Mar 2018 10:59:34 -0400 Subject: cdc721: Almost certainly runs at 6 MHz (nw) --- src/mame/drivers/cdc721.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/mame/drivers/cdc721.cpp b/src/mame/drivers/cdc721.cpp index 4c6f9fd5e1b..be9d35bd83c 100644 --- a/src/mame/drivers/cdc721.cpp +++ b/src/mame/drivers/cdc721.cpp @@ -193,7 +193,7 @@ static const z80_daisy_config cdc721_daisy_chain[] = MACHINE_CONFIG_START(cdc721_state::cdc721) // basic machine hardware - MCFG_CPU_ADD("maincpu", Z80, 4000000) + MCFG_CPU_ADD("maincpu", Z80, 6_MHz_XTAL) // Zilog Z8400B (Z80B) MCFG_CPU_PROGRAM_MAP(mem_map) MCFG_CPU_IO_MAP(io_map) MCFG_Z80_DAISY_CHAIN(cdc721_daisy_chain) @@ -215,7 +215,7 @@ MACHINE_CONFIG_START(cdc721_state::cdc721) MCFG_DEVICE_ADD("crtc", CRT5037, 12.936_MHz_XTAL / 8) MCFG_TMS9927_CHAR_WIDTH(8) - MCFG_DEVICE_ADD("ctc", Z80CTC, 4000000) + MCFG_DEVICE_ADD("ctc", Z80CTC, 6_MHz_XTAL) // Zilog Z8430B MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) MCFG_DEVICE_ADD("ppi", I8255A, 0) -- cgit v1.2.3