The "user1" ROM is equivalent to the BIOS in your PC - it does just enough to load a program off of the harddisk into RAM and transfer control to it. No game code or data exists in that ROM. KI doesn't have an operating system, it just loads the game itself and runs. Some later Midway gam...

I take a look at kinst.cpp and the MAME debugger and notice that the are two regions of program memory. "user1" and "dcs". If I am to believe that dcs is simply sound data and instructions. Why does the debugger and map include an immense amount of values past address 0x7ffff for...