ROULETTE
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from Sinclair Programs September 1983

STARTING WITH £1,000, it is your object to make as much money as possible by
betting on the roulette wheel. Various options are open to you; they are all
listed at the beginning of the game. The odds vary according to the probability
of the number or series of numbers on which you bet appearing at the marker.
  Alterations must be made to the string of numbers listed as A$ in line 10.
The first two digits should be entered as inverse numbers, the second two should
be entered as shown, the third two as inverse numbers, and so on throughout the
whole string, alternating white numbers on black with black numbers on white.

Roulette was written by P Williams and R Osborne for the 16K ZX-81.