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["The functions have at least 3 implementations: The front panel (“Key”), the M847, and Roland’s bootloader."]
["Where the differences from “Key” do not seem material, only “Key” is described.  Note: No EXAM exists in the M847."]
["Actions in parenthesis are performed automatically by the CPU."]
[]
[null,"CLEAR Key","SS/HLT Key","CONT Key","EXAM Key","DEP Key","LA Key","LA Roland","LXA Key","LXA Roland"]
["T1","INITIALIZE","STOP",null,null,"DATA","DATA","DATA","DATA","DATA"]
[{"$nulls":4},"MSIR_DISABLE","MSIR_DISABLE","LA_ENABLE","LA_ENABLE","LA_ENABLE","LA_ENABLE"]
[{"$nulls":4},"KEY_CONTROL","KEY_CONTROL","MSIR_DISABLE","MSIR_DISABLE","KEY_CONTROL","KEY_CONTROL"]
[{"$nulls":4},"MD_DIR",null,"PULSE_LA","??","PULSE_LA","??"]
[{"$nulls":4},"BRK_DATA_CTL",null,null,"MD_DIR"]
[{"$nulls":3},"MEM_START","MEM_START","MEM_START","(DATA to MA)","BRK_DATA_CTL","(Load IF, DF)"]
[{"$nulls":4},"(MA+1 to PC)","(MA+1 to PC)","(1 to F)"]
["T2",{"$nulls":4},"(DATA to MB)"]
[{"$nulls":4},"(MD to MB)","(MB to MD)"]
["T3",null,"(0 to RUN)",null,"(0 to RUN)","(0 to RUN)"]
["T4",{"$nulls":3},"(PC to MA)","(PC to MA)"]
[]
[null,"Roland","M847"]
["Boot Sequence:","SS","Ignore if RUN"]
[null,"LA","CLEAR"]
[null,"LXA","LA"]
[null,"DEP Loop","LXA"]
[null,"LA","DEP loop"]
[null,"Release SS","LA"]
[null,"CLEAR","LXA (redundant)"]
[null,"CONT","CONT"]