The 78C10, 78C11,and 78C14 single chip microcomputers integrate a 16-bit ALU, 4k ROM, 256-byte RAM, an 8-channel ADC, 16-bit timer/event counter, 2 8-bit timers a USART and much more.
The 7810 is ROMless The 7811 has 4K ROM the 7814 has 16K ROM
Note: I do have the datasheets for these if you need them. I prefer that you donate a CPU of some type to the Museum and I will gladly send you the datasheets.