From 975aa01ae790228f813eff98a9f461177da6fc0e Mon Sep 17 00:00:00 2001 From: hap Date: Mon, 30 May 2016 19:20:01 +0200 Subject: [PATCH] bship notes --- src/mame/drivers/hh_tms1k.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/mame/drivers/hh_tms1k.cpp b/src/mame/drivers/hh_tms1k.cpp index 16c189ca360..ec75cb78106 100644 --- a/src/mame/drivers/hh_tms1k.cpp +++ b/src/mame/drivers/hh_tms1k.cpp @@ -3629,6 +3629,12 @@ MACHINE_CONFIG_END This is a 2-player electronic board game. It still needs game pieces like the original Battleship board game. + + It went through 3 hardware revisions: + 1977: model 4750A or B, see notes above + 1980: model 4750C: cost-reduced single chip design, lesser quality game board. + The chip is assumed to be custom, no MCU: 28-pin DIP, label 4750, SCUS 0462 + 1982: back to MCU, COP420 instead of choosing TI, see hh_cop400.cpp ***************************************************************************/