X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Fgen_pkg.vhd;h=9e27eae8a8a5435133247d081f8d788325b2e7e5;hb=9f86188ebcedaf3cc7a7106b0a8d6a96493d41bc;hp=0121290ea83713e69ca9dcf0598ed72ec171e775;hpb=27c9670ed41bd1d234c325380433cefd57d2cadc;p=hwmod.git

diff --git a/src/gen_pkg.vhd b/src/gen_pkg.vhd
index 0121290..9e27eae 100644
--- a/src/gen_pkg.vhd
+++ b/src/gen_pkg.vhd
@@ -1,6 +1,7 @@
 library ieee;
 use ieee.std_logic_1164.all;
 use ieee.numeric_std.all;
+use work.math_pkg.all;
 
 package gen_pkg is
 	subtype alu_ops is std_logic_vector(2 downto 0);
@@ -17,14 +18,38 @@ package gen_pkg is
 	-- integer ist 32bit (31bit + sign)
 	subtype cinteger is integer;
 
+	-- 50 zeilen * 71 zeichen * 2 (berechnung + ergebnis) = 7100 bytes
+	constant H_RAM_SIZE : integer := 7100;
+	constant H_RAM_WIDTH : integer := log2c(H_RAM_SIZE);
 	subtype hspalte is std_logic_vector(6 downto 0);
-	subtype hzeile is std_logic_vector(4 downto 0);
+	subtype hzeile is std_logic_vector(6 downto 0);
 	subtype hbyte is std_logic_vector(7 downto 0);
-	subtype hstring is string(1 to 71);
+	subtype hstring is string(1 to 72);
 	subtype hstr_int is integer range 0 to 72;
 
 	function find_msb(a : csigned) return divinteger;
 	procedure icwait(signal clk_i : IN std_logic; cycles: natural);
+
+	-- http://www.marjorie.de/ps2/scancode-set2.htm
+	constant SC_KP_0 : std_logic_vector(7 downto 0) := x"70";
+	constant SC_KP_1 : std_logic_vector(7 downto 0) := x"69";
+	constant SC_KP_2 : std_logic_vector(7 downto 0) := x"72";
+	constant SC_KP_3 : std_logic_vector(7 downto 0) := x"7a";
+	constant SC_KP_4 : std_logic_vector(7 downto 0) := x"6b";
+	constant SC_KP_5 : std_logic_vector(7 downto 0) := x"73";
+	constant SC_KP_6 : std_logic_vector(7 downto 0) := x"74";
+	constant SC_KP_7 : std_logic_vector(7 downto 0) := x"6c";
+	constant SC_KP_8 : std_logic_vector(7 downto 0) := x"75";
+	constant SC_KP_9 : std_logic_vector(7 downto 0) := x"7d";
+
+	constant SC_KP_PLUS : std_logic_vector(7 downto 0) := x"79";
+	constant SC_KP_MINUS : std_logic_vector(7 downto 0) := x"7b";
+	constant SC_KP_MUL : std_logic_vector(7 downto 0) := x"7c";
+	constant SC_KP_DIV : std_logic_vector(7 downto 0) := x"4a"; -- inkl. 0xe0!
+
+	constant SC_ENTER : std_logic_vector(7 downto 0) := x"5a";
+	constant SC_BKSP : std_logic_vector(7 downto 0) := x"66";
+	constant SC_SPACE : std_logic_vector(7 downto 0) := x"29";
 end package gen_pkg;
 
 package body gen_pkg is