multigame (game is operator selectable, not by gamer)

Xtal1 16MHz 
Xtal2 21.47727MHz

cpu2 6502
crtc near 6502 6845
ram 6264
ram 6816l-15 (2k*8) near a battery
um6561cf-1 (nes on a chip?) with roms 0 and 1 connected to it
sony7021 video (ntsc/pal) to rgb 

other hardware:
ay3-8913
eeprom 24c04c1
prom 82s147
pic16c57 connected to an 8 dipswitch (used to select games)