diff options
Diffstat (limited to 'src/mame/drivers/novag_presto.cpp')
-rw-r--r-- | src/mame/drivers/novag_presto.cpp | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/mame/drivers/novag_presto.cpp b/src/mame/drivers/novag_presto.cpp index d9717f9e4a7..3b8293589c2 100644 --- a/src/mame/drivers/novag_presto.cpp +++ b/src/mame/drivers/novag_presto.cpp @@ -5,13 +5,6 @@ Novag Presto / Novag Octo -TODO: -- controls are too sensitive, is there a bug in the CPU core timer emulation? - 6MHz: valid (single) button press registered between 307ms and 436ms, - 12MHz: between 154ms and 218ms, 15MHz: between 123ms and 174ms. - -******************************************************************************* - Hardware notes (Presto): - NEC D80C49C MCU(serial 186), OSC from LC circuit measured ~6MHz - buzzer, 16+4 LEDs, 8*8 chessboard buttons @@ -20,6 +13,11 @@ Octo has a NEC D80C49HC MCU(serial 111), OSC from LC circuit measured ~12MHz The buzzer has a little electronic circuit going on, not sure whatfor. Otherwise, it's identical to Presto. The MCU internal ROM is same too. +TODO: +- controls are too sensitive, is there a bug in the CPU core timer emulation? + 6MHz: valid (single) button press registered between 307ms and 436ms, + 12MHz: between 154ms and 218ms, 15MHz: between 123ms and 174ms. + ******************************************************************************/ #include "emu.h" |