10 second word first word Figure 2.5. Memory words. n bits last word i th word
11 R0,C B,R0 A,R0 Move i + 8 Begin execution hereMove i ContentsAddress C B A the program Data for segment program 3-instruction Add i + 4 Figure 2.8. A program for C + A simple program doing the basic arithmetic expression C = A + B; Note the simple instructions: Move and Add and that data is stored with the instructions.
12 N,R1Move NUMn NUM2 NUM1 R0,SUM R1 "Next" number to R0 LOOP Decrement Move LOOP loop Program Determine address of "Next" number and add N SUM n R0Clear Branch>0 A branch or looping program. Two new instructions Branch and Decrement.
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