"HE.................................PRINT THIS HELP MESSAGE.
"RE..............................RESET PC AND CYCLE COUNTER.
"DT..................................DISABLE TRACE FUNCTION.
"ET...................................ENABLE TRACE FUNCTION.
"SP FFFF TTTT....................SAVE PROGRAM IN HEX FORMAT.
"LP............................LOAD PROGRAM FROM HEX FORMAT.
"SS VV...................................SET SWITCHES TO VV.
"DS........................................DISPLAY SWITCHES.
"AC DDDDD..........SET CYCLE COUNTER TO DECIMAL VALUE DDDDD.
"AR RR VV.................PLACE HEX VALUE VV IN REGISTER RR.
"DR..........................................DUMP REGISTERS.
"AM AAAA VV..........PLACE HEX VALUE VV IN MEMORY ADDR AAAA.
"DM FFFF TTTT.............DUMP MEMORY FROM HEX FFFF TO TTTT.
"RU AAAA........................RUN SIMULATION AT ADDR AAAA.
"EX .........................................RETURN TO RSTS.