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author | 2015-06-10 19:11:14 +0100 | |
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committer | 2015-06-10 19:11:14 +0100 | |
commit | eefbf671bbf6614ac70f9ab399c58b02adb4a48e (patch) | |
tree | 8c9e987af2d81f4a243232c274821d42571e1267 /src/emu/cpu/drccache.c | |
parent | 923f5e36509311177ea24b044c809e526174fe4d (diff) |
emulate the dual stack System 32 games as dual stack (f1 exhaust note and air rescue)
these games use a sub-board over the main board, underneath the ROM boards to connect 2 system 32 stacks, the board contains shared RAM, it is not a network connection.
the games are designed to ONLY operate with the full setup, infact if you remove the sub-board the or either PCB stack the PCBs simply don't boot or display anything because they wait for values in the shared RAM, we were currently hacking around this to run them as a single screen, however this meant that the air rescue title screen was cut in half etc.
by emulating both stacks and the shared RAM I was able to finally remove the hacks.
I haven't touched f1lap because
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