ref: 8561a843070582d48ef7f99e1138941c3509975f
dir: /sys/src/games/mix/examples/maximum.m/
# Entry condition R1 = n. # Exit: RA = max R2 = index of max in X X EQU 1000 ORIG 3000 MAXIMUM STJ EXIT # Subroutine linkage. INIT ENT3 0,1 # M1. Initialize k ← n. JMP CHANGEM # j ← n, m ← X[n], k ← n-1. LOOP CMPA X,3 # M3. Compare. JGE *+3 # To M5 if m ≥ X[k]. CHANGEM ENT2 0,3 # M4. Change m. j ← k. LDA X,3 # m ← X[k]. DEC3 1 # M5. Decrease k. J3P LOOP # M2. All tested? To M3 if k > 0. EXIT JMP * # Return to main program.