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keypad working

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This commit is contained in:
Nicholas Orlowsky 2024-04-15 09:32:48 -05:00
parent 55adbcf90a
commit 4855bbc42d
Signed by: nickorlow
GPG key ID: 838827D8C4611687
10 changed files with 526 additions and 213 deletions
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65
chip8.sv
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@ -1,23 +1,35 @@
module chip8 (
input wire fpga_clk,
input wire rst_in,
output logic lcd_clk,
output logic lcd_clk,
output logic lcd_data,
output logic [5:0] led,
input wire [3:0] row,
output logic [3:0] col
);
logic slow_clk;
logic debug_overlay;
logic slow_clk;
`ifdef FAST_CLK
assign slow_clk = fpga_clk;
assign slow_clk = fpga_clk;
`endif
`ifndef FAST_CLK
downclocker #(10) dc(fpga_clk, slow_clk);
downclocker #(12) dc (
fpga_clk,
slow_clk
);
`endif
logic key_clk;
downclocker #(24) dck(fpga_clk, key_clk);
`ifdef FAST_CLK
downclocker #(1) dck (
`endif
`ifndef FAST_CLK
downclocker #(12) dck (
`endif
fpga_clk,
key_clk
);
logic [7:0] rd_memory_data;
logic [11:0] rd_memory_address;
@ -25,27 +37,37 @@ logic slow_clk;
logic [7:0] wr_memory_data;
logic wr_go;
memory #(4096) mem (
slow_clk,
wr_go,
wr_memory_address,
wr_memory_data,
rd_memory_address,
rd_memory_data
);
slow_clk,
wr_go,
wr_memory_address,
wr_memory_data,
rd_memory_address,
rd_memory_data
);
logic [15:0] keymap;
keypad keypad (
`ifndef DUMMY_KEYPAD
key_clk,
`endif
`ifdef DUMMY_KEYPAD
slow_clk,
`endif
row,
col,
keymap
);
assign led = { key_clk, 1'b0, slow_clk, 1'b0, fpga_clk, 1'b0};
keypad keypad(
key_clk,
row,
col,
led
);
int cycle_counter;
logic [5:0] nc;
cpu cpu (
slow_clk,
fpga_clk,
rd_memory_data,
keymap,
cycle_counter,
rd_memory_address,
wr_memory_address,
@ -53,7 +75,10 @@ logic slow_clk;
wr_go,
lcd_clk,
lcd_data,
nc
nc,
row,
col,
debug_overlay
);
endmodule