Description:	A simple program to load 4-bit numbers into registers.
Input:	First value is on tape, second value from front panel.
Output:	The 4-bit values are displayed on the output lamps.
Written by:	bhilpert (2006 Sep)
Assembled:	Ref Tape Assembly --- -------- -------------------------------------------------- 000: 1D.0D.00 OR1 IR1 13 / load IR with 13, lower bits to OR1 001: 0E.00.01 OR2 IR2 ^ / upper bits to OR2 002: 1D.10.00 OR1=* / wait for data from front panel 003: 0E.00.01 OR2=^