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 sys_clk : in std_logic;
13 sys_res_n : 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
30 architecture top of calc is
32 signal new_data : std_logic;
33 signal data : std_logic_vector(7 downto 0);
35 signal vga_clk, free : std_logic;
37 signal command : std_logic_vector(COMMAND_SIZE - 1 downto 0);
38 signal command_data : std_logic_vector(3 * COLOR_SIZE + CHAR_SIZE -1 downto 0);
40 signal d_new_eingabe, d_new_result, d_new_bs : std_logic;
41 signal d_zeile : hzeile;
42 signal d_spalte : hspalte;
43 signal d_get, d_done : std_logic;
44 signal d_char : hbyte;
46 signal s_char : hbyte;
47 signal s_take, s_done, s_backspace : std_logic;
49 signal p_rget : std_logic;
50 signal p_rdone : std_logic;
51 signal p_read : hbyte;
52 signal p_wtake : std_logic;
53 signal p_wdone : std_logic;
54 signal p_write : hbyte;
55 signal p_finished : std_logic;
57 signal do_it, finished : std_logic;
60 textmode_vga_inst : entity work.textmode_vga(struct)
62 VGA_CLK_FREQ => 25000000,
63 BLINK_INTERVAL_MS => 500,
68 sys_res_n => sys_res_n,
70 command_data => command_data,
73 vga_res_n => sys_res_n,
82 vpll_inst : entity work.vpll(syn)
89 display_inst : entity work.display(beh)
92 sys_res_n => sys_res_n,
94 d_new_eingabe => d_new_eingabe,
95 d_new_result => d_new_result,
104 command_data => command_data,
109 history_inst : entity work.history(beh)
112 sys_res_n => sys_res_n,
117 s_backspace => s_backspace,
119 d_new_eingabe => d_new_eingabe,
120 d_new_result => d_new_result,
121 d_new_bs => d_new_bs,
123 d_spalte => d_spalte,
134 p_finished => p_finished
138 parser_inst : entity work.parser(beh)
141 sys_res_n => sys_res_n,
149 p_finished => p_finished,
156 scanner_inst : entity work.scanner(beh)
159 sys_res_n => sys_res_n,
161 new_data => new_data,
167 s_backspace => s_backspace,
174 ps2_inst : entity work.ps2_keyboard_controller(beh)
176 CLK_FREQ => 33330000,
181 sys_res_n => sys_res_n,
183 new_data => new_data,
188 end architecture top;