diff options
Diffstat (limited to 'src/mame/drivers/hh_hmcs40.cpp')
-rw-r--r-- | src/mame/drivers/hh_hmcs40.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mame/drivers/hh_hmcs40.cpp b/src/mame/drivers/hh_hmcs40.cpp index 6b768dcc8d3..cf1d5d91b88 100644 --- a/src/mame/drivers/hh_hmcs40.cpp +++ b/src/mame/drivers/hh_hmcs40.cpp @@ -63,6 +63,7 @@ A75 HD44801 1982, Alpha 8201 protection MCU -> machine/alpha8201.* B35 HD44801 1983, Alpha 8302 protection MCU (see 8201) B42 HD44801 1983, Alpha 8303 protection MCU (see 8201) + *B43 HD44801 1983, Alpha 8304 protection MCU (see 8201) C57 HD44801 1985, Alpha 8505 protection MCU (see 8201) *C89 HD44801 1986, CXG Computachess IV @@ -78,6 +79,9 @@ Or it could be a race condition: irq happening too late/early. - epacman2 booting the game in demo mode, pacman should go straight to the upper-left power pill: mcu cycle/interrupt timing related + - kevtris's HMCS40 ROM dumps are incomplete, missing MCU factory test code from + the 2nd half of the ROM, none of the games access it though and it's impossible + to execute unless the chip is in testmode. - Though very uncommon when compared to games with LED/lamp display, some games may manipulate VFD plate brightness by strobing it longer/shorter, eg. cgalaxn when a ship explodes. |