Info for elf

RCA Cosmac ELF and ELF2

Features:
Operation without built-in ROMs, you can enter your program directly with
help of the CPU integrated dma.
2 segment digits
Tape connector

Notes:
much like RCA Cosmac VIP without video chip
Info for building an elf/elf2 is at http://incolor.inetnebr.com/bill_r/computer_simulators.htm