RANDOM SELECTION

[I had to add the high-lighted parts as otherwise it would go]
[into an infinite loop if all NG elements of N() were filled ]
[before the last I loop iteration.                       JimG]

Ian Skillen proves the ZX81/TS1000 is surviving in Chicago, but his
routine for selecting non repeated random numbers over a set number of
selections can be used on any ZX computer. (LISTING 6) [file: random]