From a90412feaf71f8b46517131e32afbf7313528d19 Mon Sep 17 00:00:00 2001 From: AJR Date: Thu, 7 Dec 2017 20:36:44 -0500 Subject: [PATCH] microtan: Clock derived from XTAL value (nw) --- src/mame/drivers/microtan.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/mame/drivers/microtan.cpp b/src/mame/drivers/microtan.cpp index 6bb45857199..d8fcf1f9bab 100644 --- a/src/mame/drivers/microtan.cpp +++ b/src/mame/drivers/microtan.cpp @@ -211,7 +211,7 @@ GFXDECODE_END static MACHINE_CONFIG_START( microtan ) /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", M6502, 750000) // 750 kHz + MCFG_CPU_ADD("maincpu", M6502, XTAL_6MHz / 8) // 750 kHz MCFG_CPU_PROGRAM_MAP(microtan_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", microtan_state, microtan_interrupt) @@ -250,7 +250,7 @@ static MACHINE_CONFIG_START( microtan ) MCFG_MOS6551_XTAL(XTAL_1_8432MHz) /* via */ - MCFG_DEVICE_ADD("via6522_0", VIA6522, 0) + MCFG_DEVICE_ADD("via6522_0", VIA6522, XTAL_6MHz / 8) MCFG_VIA6522_READPA_HANDLER(READ8(microtan_state, via_0_in_a)) MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(microtan_state, via_0_out_a)) MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(microtan_state, via_0_out_b)) @@ -258,7 +258,7 @@ static MACHINE_CONFIG_START( microtan ) MCFG_VIA6522_CB2_HANDLER(WRITELINE(microtan_state, via_0_out_cb2)) MCFG_VIA6522_IRQ_HANDLER(WRITELINE(microtan_state, via_0_irq)) - MCFG_DEVICE_ADD("via6522_1", VIA6522, 0) + MCFG_DEVICE_ADD("via6522_1", VIA6522, XTAL_6MHz / 8) MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(microtan_state, via_1_out_a)) MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(microtan_state, via_1_out_b)) MCFG_VIA6522_CA2_HANDLER(WRITELINE(microtan_state, via_1_out_ca2))