1 -------------------------------------------------------------------------
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3 -- Filename: font_pkg.vhd
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6 -- Short Description:
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7 -- ==================
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8 -- Constant declaration of the font ROM. The number of
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9 -- defined encodings, the character dimension and the
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10 -- encoding itself are defiend in this package.
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12 -------------------------------------------------------------------------
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15 use ieee.std_logic_1164.all;
16 use ieee.numeric_std.all;
17 use work.textmode_vga_pkg.all;
18 use work.math_pkg.all;
21 constant CHAR_COUNT : integer := 256;
22 constant CHAR_WIDTH : integer := 8;
23 constant CHAR_HEIGHT : integer := 16;
24 constant COLUMN_COUNT : integer := PIXEL_WIDTH / CHAR_WIDTH;
25 constant LINE_COUNT : integer := PIXEL_HEIGHT / CHAR_HEIGHT;
26 type FONT_TYPE is array (0 to 2 ** (log2c(CHAR_COUNT) + log2c(CHAR_HEIGHT)) - 1) of std_logic_vector(0 to CHAR_WIDTH - 1);
27 constant FONT_TABLE : FONT_TYPE :=
4126 end package font_pkg;
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