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;
13 CLK_50MHZ : in std_logic;
14 sys_res : in std_logic;
15 -- btnA (here: "btn west")
21 vsync_n : out std_logic;
22 hsync_n : out std_logic;
23 r : out std_logic_vector(RED_BITS - 1 downto 0);
24 g : out std_logic_vector(GREEN_BITS - 1 downto 0);
25 b : out std_logic_vector(BLUE_BITS - 1 downto 0);
27 ps2_clk : inout std_logic;
28 ps2_data : inout std_logic
32 architecture top of calc is
34 signal sys_res_n : std_logic;
36 signal new_data : std_logic;
37 signal data : std_logic_vector(7 downto 0);
39 signal vga_clk, free : std_logic;
41 signal command : std_logic_vector(COMMAND_SIZE - 1 downto 0);
42 signal command_data : std_logic_vector(3 * COLOR_SIZE + CHAR_SIZE -1 downto 0);
44 signal d_new_eingabe, d_new_result, d_new_bs : std_logic;
45 signal d_zeile : hzeile;
46 signal d_spalte : hspalte;
47 signal d_get, d_done : std_logic;
48 signal d_char : hbyte;
50 signal s_char : hbyte;
51 signal s_take, s_done, s_backspace : std_logic;
53 signal p_rget : std_logic;
54 signal p_rdone : std_logic;
55 signal p_read : hbyte;
56 signal p_wtake : std_logic;
57 signal p_wdone : std_logic;
58 signal p_write : hbyte;
59 signal p_finished : std_logic;
61 signal pc_get : std_logic;
62 signal pc_spalte : hspalte;
63 signal pc_zeile : hzeile;
64 signal pc_char : hbyte;
65 signal pc_done : std_logic;
67 signal do_it, finished : std_logic;
69 signal rx_new, rxd_sync : std_logic;
70 signal rx_data : std_logic_vector (7 downto 0);
71 signal tx_new, tx_done : std_logic;
72 signal tx_data : std_logic_vector (7 downto 0);
74 sys_res_n <= not sys_res;
77 textmode_vga_inst : entity work.textmode_vga(struct)
79 VGA_CLK_FREQ => 25000000,
80 BLINK_INTERVAL_MS => 500,
85 sys_res_n => sys_res_n,
87 command_data => command_data,
90 vga_res_n => sys_res_n,
99 clk_vga_s3e_inst : entity work.clk_vga_s3e(beh)
106 display_inst : entity work.display(beh)
108 sys_clk => CLK_50MHZ,
109 sys_res_n => sys_res_n,
111 d_new_eingabe => d_new_eingabe,
112 d_new_result => d_new_result,
113 d_new_bs => d_new_bs,
115 d_spalte => d_spalte,
121 command_data => command_data,
126 history_inst : entity work.history(beh)
128 sys_clk => CLK_50MHZ,
129 sys_res_n => sys_res_n,
134 s_backspace => s_backspace,
136 d_new_eingabe => d_new_eingabe,
137 d_new_result => d_new_result,
138 d_new_bs => d_new_bs,
140 d_spalte => d_spalte,
151 p_finished => p_finished,
154 pc_spalte => pc_spalte,
155 pc_zeile => pc_zeile,
161 parser_inst : entity work.parser(beh)
163 sys_clk => CLK_50MHZ,
164 sys_res_n => sys_res_n,
172 p_finished => p_finished,
179 scanner_inst : entity work.scanner(beh)
181 sys_clk => CLK_50MHZ,
182 sys_res_n => sys_res_n,
184 new_data => new_data,
190 s_backspace => s_backspace,
197 ps2_inst : entity work.ps2_keyboard_controller(beh)
199 CLK_FREQ => 50000000,
203 sys_clk => CLK_50MHZ,
204 sys_res_n => sys_res_n,
206 new_data => new_data,
212 -- synchronizer fuer rxd
213 sync_rxd_inst : entity work.sync(beh)
219 sys_clk => CLK_50MHZ,
220 sys_res_n => sys_res_n,
226 rs232rx_inst : entity work.uart_rx(beh)
228 CLK_FREQ => 50000000,
232 sys_clk => CLK_50MHZ,
233 sys_res_n => sys_res_n,
240 rs232tx_inst : entity work.uart_tx(beh)
242 CLK_FREQ => 50000000,
246 sys_clk => CLK_50MHZ,
247 sys_res_n => sys_res_n,
255 pc_com_inst : entity work.pc_communication(beh)
257 sys_clk => CLK_50MHZ,
258 sys_res_n => sys_res_n,
269 pc_zeile => pc_zeile,
270 pc_spalte => pc_spalte,
275 end architecture top;