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millfork/docs/lang/predefined_constants.md
Karol Stasiak 1f8ece007b Add constants for segment bounds
2019-09-02 23:22:07 +02:00

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Predefined constants

  • byte nullchar – the null terminator for strings in the default encoding, equivalent to ""z[0]

  • null$ nullptr – the invalid pointer value; the value of the NULLPTR feature

  • bool true, bool false – boolean constants

  • pointer segment.N.start – the value of segment_N_start from the platform definition

  • pointer segment.N.end – the value of segment_N_end from the platform definition

  • pointer segment.N.heapstart – the address of the first byte in the N segment that was not automatically allocated

  • word segment.N.length – the number of byte locations between segment_N_start and segment_N_end, inclusive

  • byte segment.N.bank – the value of segment_N_bank from the platform definition