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-- The "use_ofs" variant requires address adder logic, but is optimal
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-- The "use_ofs" variant requires address adder logic, but is optimal
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-- regarding RAM usage in case the page size is not a power of 2, because the
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-- regarding RAM usage in case the page size is not a power of 2, because the
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-- pages are then mapped at subsequent addresses in the buf RAM.
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-- pages are then mapped at subsequent addresses in the buf RAM.
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-- . The "use_adr" variant is optimal for speed, so that is set as default.
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-- . The "use_adr" variant is optimal for speed, so that is set as default.
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LIBRARY IEEE, technology_lib;
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LIBRARY IEEE; --, technology_lib;
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USE IEEE.std_logic_1164.ALL;
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USE IEEE.std_logic_1164.ALL;
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USE IEEE.numeric_std.ALL;
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USE IEEE.numeric_std.ALL;
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LIBRARY common_pkg_lib;
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LIBRARY common_pkg_lib;
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USE common_pkg_lib.common_pkg.ALL;
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USE common_pkg_lib.common_pkg.ALL;
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USE work.common_ram_pkg.ALL;
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USE work.common_ram_pkg.ALL;
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USE technology_lib.technology_select_pkg.ALL;
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-- USE technology_lib.technology_select_pkg.ALL;
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ENTITY common_paged_ram_crw_crw IS
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ENTITY common_paged_ram_crw_crw IS
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GENERIC (
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GENERIC (
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g_technology : NATURAL := c_tech_select_default;
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g_technology : NATURAL := 0;
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g_str : STRING := "use_adr";
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g_str : STRING := "use_adr";
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g_data_w : NATURAL;
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g_data_w : NATURAL;
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g_nof_pages : NATURAL := 2; -- >= 2
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g_nof_pages : NATURAL := 2; -- >= 2
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g_page_sz : NATURAL;
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g_page_sz : NATURAL;
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g_start_page_a : NATURAL := 0;
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g_start_page_a : NATURAL := 0;
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