From 0fc72cee0c639d4820d08d34d263a00cccfbcb4a Mon Sep 17 00:00:00 2001 From: hap Date: Mon, 17 Feb 2025 14:55:44 +0100 Subject: [PATCH] chessmst: update notes --- src/mame/ddr/chessmst.cpp | 5 ++++- src/mame/handheld/hh_rw5000.cpp | 3 ++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/src/mame/ddr/chessmst.cpp b/src/mame/ddr/chessmst.cpp index d2b5ecd6178..7e05855a136 100644 --- a/src/mame/ddr/chessmst.cpp +++ b/src/mame/ddr/chessmst.cpp @@ -11,12 +11,15 @@ original creation by Rüdiger Worbs and Dieter Schultze. It competed in Budapest WMCCC 1983 and ended at a low 16th place. Hardware notes: +- PCB label: 15003-500-2902 B 01 02 03 - UB880 Z80 @ ~2.5MHz - 2*Z80 PIO - 10KB ROM (10*U505D), 2KB RAM (4*U214D) - chessboard with 64 hall sensors, 64+15 leds, piezo -A newer version had a 4MHz UA880 and 2 ROM chips (8KB + 2KB). +Chess-Master Schachtisch embedded in a wooden table is on the same hardware +and has the same ROMs, they manually changed the PCB label from 15003 to 15005. +A newer version of Chess-Master had a 4MHz UA880 and 2 ROM chips (8KB + 2KB). BTANB: - corner leds flicker sometimes diff --git a/src/mame/handheld/hh_rw5000.cpp b/src/mame/handheld/hh_rw5000.cpp index 10baa438af1..24f524d46c0 100644 --- a/src/mame/handheld/hh_rw5000.cpp +++ b/src/mame/handheld/hh_rw5000.cpp @@ -153,7 +153,8 @@ INPUT_CHANGED_MEMBER(hh_rw5000_state::power_button) handheld game overall. Hardware design (even the MCU) and programming was done at Rockwell. - A European version was released as "Ski Slalom", except it's upside-down. + A European version was released as "Ski Slalom" (model 8290), except it's + upside-down. *******************************************************************************/