{Constants for use in the PURGE MAP and CACHE instructions.}

  CONST
    osc$sva_purge_512_cache = 0,
    osc$sva_purge_all_cache = 1,
    osc$purge_all_cache = 2,
    osc$pva_purge_512_cache = 3,
    osc$pva_purge_segment_cache = 7,

    osc$sva_purge_one_page_map = 8,
    osc$sva_purge_all_page_map = 9,
    osc$pva_purge_one_page_map = 10,
    osc$pva_purge_all_page_seg_map = 11,
    osc$purge_all_map = 15,
    osc$purge_all_page_seg_map = 15,

    osc$purge_instruction_stack = 4;
