upstream/emscripten/third_party/ply/example/BASIC/maxsin.bas

5 PRINT "X VALUE", "SINE", "RESOLUTION"
10 READ D
20 LET M = -1
30 FOR X = 0 TO 3 STEP D
40 IF SIN(X) <= M THEN 80
50 LET X0 = X
60 LET M = SIN(X)
80 NEXT X
85 PRINT X0, M, D
90 GOTO 10
100 DATA .1, .01, .001
110 END