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;
9 use work.debounce_pkg.all;
10 use work.sync_pkg.all;
14 sys_clk : in std_logic;
15 sys_res_n : in std_logic;
22 vsync_n : out std_logic;
23 hsync_n : out std_logic;
24 r : out std_logic_vector(RED_BITS - 1 downto 0);
25 g : out std_logic_vector(GREEN_BITS - 1 downto 0);
26 b : out std_logic_vector(BLUE_BITS - 1 downto 0);
28 ps2_clk : inout std_logic;
29 ps2_data : inout std_logic
33 architecture top of calc is
34 constant CLK_FREQ : integer := 33000000;
35 constant BAUDRATE : integer := 115200;
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 pc_get : std_logic;
63 signal pc_spalte : hspalte;
64 signal pc_zeile : hzeile;
65 signal pc_char : hbyte;
66 signal pc_done : std_logic;
68 signal do_it, finished : std_logic;
70 signal sys_res_n_sync : std_logic;
71 signal btn_a_sync : std_logic;
73 signal rx_new, rxd_sync : std_logic;
74 signal rx_data : std_logic_vector (7 downto 0);
75 signal tx_new, tx_done : std_logic;
76 signal tx_data : std_logic_vector (7 downto 0);
79 textmode_vga_inst : textmode_vga
81 VGA_CLK_FREQ => 25000000,
82 BLINK_INTERVAL_MS => 500,
87 sys_res_n => sys_res_n_sync,
89 command_data => command_data,
92 vga_res_n => sys_res_n_sync,
108 display_inst : display
111 sys_res_n => sys_res_n_sync,
113 d_new_eingabe => d_new_eingabe,
114 d_new_result => d_new_result,
115 d_new_bs => d_new_bs,
117 d_spalte => d_spalte,
123 command_data => command_data,
128 history_inst : history
131 sys_res_n => sys_res_n_sync,
136 s_backspace => s_backspace,
138 d_new_eingabe => d_new_eingabe,
139 d_new_result => d_new_result,
140 d_new_bs => d_new_bs,
142 d_spalte => d_spalte,
153 p_finished => p_finished,
156 pc_spalte => pc_spalte,
157 pc_zeile => pc_zeile,
166 sys_res_n => sys_res_n_sync,
174 p_finished => p_finished,
181 scanner_inst : scanner
184 sys_res_n => sys_res_n_sync,
186 new_data => new_data,
192 s_backspace => s_backspace,
199 ps2_inst : ps2_keyboard_controller
201 CLK_FREQ => CLK_FREQ,
206 sys_res_n => sys_res_n_sync,
208 new_data => new_data,
214 -- debouncer fuer sys_res_n
215 sys_res_n_debounce_inst : debounce
217 CLK_FREQ => CLK_FREQ,
225 data_in => sys_res_n,
226 data_out => sys_res_n_sync
229 -- synchronizer fuer rxd
237 sys_res_n => sys_res_n_sync,
242 -- debouncer fuer btn_a
243 btn_a_debounce_inst : debounce
245 CLK_FREQ => CLK_FREQ,
252 sys_res_n => sys_res_n_sync,
254 data_out => btn_a_sync
258 rs232rx_inst : uart_rx
260 CLK_FREQ => CLK_FREQ,
265 sys_res_n => sys_res_n_sync,
272 rs232tx_inst : uart_tx
274 CLK_FREQ => CLK_FREQ,
279 sys_res_n => sys_res_n,
286 pc_com_inst : pc_communication
289 sys_res_n => sys_res_n,
300 pc_zeile => pc_zeile,
301 pc_spalte => pc_spalte,
307 end architecture top;