From 17c8850d0b472cb568dea4c84aecc80462b10010 Mon Sep 17 00:00:00 2001 From: hap Date: Tue, 7 May 2019 19:09:34 +0200 Subject: [PATCH] mattelchess: update note (nw) --- src/emu/xtal.cpp | 1 + src/mame/drivers/mattelchess.cpp | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/src/emu/xtal.cpp b/src/emu/xtal.cpp index 63467731c09..de7697f7bc0 100644 --- a/src/emu/xtal.cpp +++ b/src/emu/xtal.cpp @@ -226,6 +226,7 @@ const double XTAL::known_xtals[] = { 16'000'000, /* 16_MHz_XTAL Extremely common, used on 100's of PCBs */ 16'097'280, /* 16.09728_MHz_XTAL DEC VT240 (1024 * 262 * 60) */ 16'128'000, /* 16.128_MHz_XTAL Fujitsu FM-7 */ + 16'200'000, /* 16.2_MHz_XTAL Debut */ 16'257'000, /* 16.257_MHz_XTAL IBM PC MDA & EGA */ 16'364'000, /* 16.364_MHz_XTAL Corvus Concept */ 16'384'000, /* 16.384_MHz_XTAL - */ diff --git a/src/mame/drivers/mattelchess.cpp b/src/mame/drivers/mattelchess.cpp index 5a8ec04460e..96b00890237 100644 --- a/src/mame/drivers/mattelchess.cpp +++ b/src/mame/drivers/mattelchess.cpp @@ -83,7 +83,7 @@ void mchess_state::machine_reset() void mchess_state::update_reset(ioport_value state) { - // assume that SAVE switch powers off the CPU + // battery is disconnected from CPU VCC pin when power switch is in SAVE mode // (at reboot, the game will read the chessboard positions from LCD RAM) m_maincpu->set_input_line(INPUT_LINE_RESET, state ? ASSERT_LINE : CLEAR_LINE); }