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
35 signal new_data : std_logic;
36 signal data : std_logic_vector(7 downto 0);
38 signal vga_clk, free : std_logic;
40 signal command : std_logic_vector(COMMAND_SIZE - 1 downto 0);
41 signal command_data : std_logic_vector(3 * COLOR_SIZE + CHAR_SIZE -1 downto 0);
43 signal d_new_eingabe, d_new_result, d_new_bs : std_logic;
44 signal d_zeile : hzeile;
45 signal d_spalte : hspalte;
46 signal d_get, d_done : std_logic;
47 signal d_char : hbyte;
49 signal s_char : hbyte;
50 signal s_take, s_done, s_backspace : std_logic;
52 signal p_rget : std_logic;
53 signal p_rdone : std_logic;
54 signal p_read : hbyte;
55 signal p_wtake : std_logic;
56 signal p_wdone : std_logic;
57 signal p_write : hbyte;
58 signal p_finished : std_logic;
60 signal do_it, finished : std_logic;
62 signal sys_res_n_sync : std_logic;
64 signal rx_new, rxd_sync : std_logic;
65 signal rx_data : std_logic_vector (7 downto 0);
66 signal tx_new, tx_done : std_logic;
67 signal tx_data : std_logic_vector (7 downto 0);
68 signal txd_out : std_logic;
71 textmode_vga_inst : entity work.textmode_vga(struct)
73 VGA_CLK_FREQ => 25000000,
74 BLINK_INTERVAL_MS => 500,
79 sys_res_n => sys_res_n_sync,
81 command_data => command_data,
84 vga_res_n => sys_res_n_sync,
93 vpll_inst : entity work.vpll(syn)
100 display_inst : entity work.display(beh)
103 sys_res_n => sys_res_n_sync,
105 d_new_eingabe => d_new_eingabe,
106 d_new_result => d_new_result,
107 d_new_bs => d_new_bs,
109 d_spalte => d_spalte,
115 command_data => command_data,
120 history_inst : entity work.history(beh)
123 sys_res_n => sys_res_n_sync,
128 s_backspace => s_backspace,
130 d_new_eingabe => d_new_eingabe,
131 d_new_result => d_new_result,
132 d_new_bs => d_new_bs,
134 d_spalte => d_spalte,
145 p_finished => p_finished
149 parser_inst : entity work.parser(beh)
152 sys_res_n => sys_res_n_sync,
160 p_finished => p_finished,
167 scanner_inst : entity work.scanner(beh)
170 sys_res_n => sys_res_n_sync,
172 new_data => new_data,
178 s_backspace => s_backspace,
185 ps2_inst : entity work.ps2_keyboard_controller(beh)
187 CLK_FREQ => 33330000,
192 sys_res_n => sys_res_n_sync,
194 new_data => new_data,
200 -- debouncer fuer sys_res_n
201 sys_res_n_debounce_inst : debounce
203 CLK_FREQ => 33330000,
211 data_in => sys_res_n,
212 data_out => sys_res_n_sync
215 -- synchronizer fuer rxd
216 sync_rxd_inst : entity work.sync(beh)
223 sys_res_n => sys_res_n_sync,
229 rs232rx_inst : entity work.uart_rx(beh)
231 CLK_FREQ => 33330000,
236 sys_res_n => sys_res_n_sync,
243 rs232tx_inst : entity work.uart_tx(beh)
245 CLK_FREQ => 33330000,
250 sys_res_n => sys_res_n,
256 end architecture top;