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Add bug descriptions discovered by Jack Boyce in Super Star Trek to the main game description.

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Paul Holt
2022-01-16 01:48:34 +11:00
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84_Super_Star_Trek/README.md
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@@ -88,6 +88,17 @@ The relation between the Historical and Standard nomenclatures is shown in the s
15. This version of Star Trek was created for a Data General Nova 800 system with 32K or core. So that it would fit, the instructions are separated from the main program via a CHAIN. For conversion to DEC BASIC-PLUS, Statement 160 (Randomize) should be moved after the return from the chained instructions, say to Statement 245. For Altair BASIC, Randomize and the chain instructions should be eliminated.
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#### Bugs
Many of the programs in this book and this collection have bugs in the original code.
Jack Boyce has discovered and fixed a number of bugs in his [python implementation](python/superstartrek.py), which should be noted by other implementers:
- line `4410` : `D(7)` should be `D(6)`
- lines `8310`,`8330`,`8430`,`8450` : Division by zero is possible
- line `440` : `B9` should be initialised to 0, not 2
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As published in Basic Computer Games (1978):