2 use ieee.std_logic_1164.all;
3 use ieee.numeric_std.all;
5 use work.textmode_vga_component_pkg.all;
6 use work.textmode_vga_pkg.all;
7 use work.textmode_vga_platform_dependent_pkg.all;
8 use work.ps2_keyboard_controller_pkg.all;
12 CLK_50MHZ : in std_logic;
13 sys_res : in std_logic;
19 vsync_n : out std_logic;
20 hsync_n : out std_logic;
21 r : out std_logic_vector(RED_BITS - 1 downto 0);
22 g : out std_logic_vector(GREEN_BITS - 1 downto 0);
23 b : out std_logic_vector(BLUE_BITS - 1 downto 0);
25 ps2_clk : inout std_logic;
26 ps2_data : inout std_logic;
33 architecture top of calc is
35 signal sys_res_n : std_logic;
37 signal new_data : std_logic;
38 signal data : std_logic_vector(7 downto 0);
40 signal vga_clk, free : std_logic;
42 signal command : std_logic_vector(COMMAND_SIZE - 1 downto 0);
43 signal command_data : std_logic_vector(3 * COLOR_SIZE + CHAR_SIZE -1 downto 0);
45 signal d_new_eingabe, d_new_result, d_new_bs : std_logic;
46 signal d_zeile : hzeile;
47 signal d_spalte : hspalte;
48 signal d_get, d_done : std_logic;
49 signal d_char : hbyte;
51 signal s_char : hbyte;
52 signal s_take, s_done, s_backspace : std_logic;
54 signal p_rget : std_logic;
55 signal p_rdone : std_logic;
56 signal p_read : hbyte;
57 signal p_wtake : std_logic;
58 signal p_wdone : std_logic;
59 signal p_write : hbyte;
60 signal p_finished : std_logic;
62 signal do_it, finished : std_logic;
66 sys_res_n <= not sys_res;
69 textmode_vga_inst : entity work.textmode_vga(struct)
71 VGA_CLK_FREQ => 25000000,
72 BLINK_INTERVAL_MS => 500,
77 sys_res_n => sys_res_n,
79 command_data => command_data,
82 vga_res_n => sys_res_n,
91 clk_vga_s3e_inst : entity work.clk_vga_s3e(beh)
98 display_inst : entity work.display(beh)
100 sys_clk => CLK_50MHZ,
101 sys_res_n => sys_res_n,
103 d_new_eingabe => d_new_eingabe,
104 d_new_result => d_new_result,
105 d_new_bs => d_new_bs,
107 d_spalte => d_spalte,
113 command_data => command_data,
118 history_inst : entity work.history(beh)
120 sys_clk => CLK_50MHZ,
121 sys_res_n => sys_res_n,
126 s_backspace => s_backspace,
128 d_new_eingabe => d_new_eingabe,
129 d_new_result => d_new_result,
130 d_new_bs => d_new_bs,
132 d_spalte => d_spalte,
143 p_finished => p_finished
147 parser_inst : entity work.parser(beh)
149 sys_clk => CLK_50MHZ,
150 sys_res_n => sys_res_n,
158 p_finished => p_finished,
165 scanner_inst : entity work.scanner(beh)
167 sys_clk => CLK_50MHZ,
168 sys_res_n => sys_res_n,
170 new_data => new_data,
176 s_backspace => s_backspace,
183 ps2_inst : entity work.ps2_keyboard_controller(beh)
185 CLK_FREQ => 50000000,
189 sys_clk => CLK_50MHZ,
190 sys_res_n => sys_res_n,
192 new_data => new_data,
197 end architecture top;