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cool little keypad test

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This commit is contained in:
Nicholas Orlowsky 2024-04-11 00:47:21 -05:00
parent 10cd8cb673
commit f9135c13b8
Signed by: nickorlow
GPG key ID: 838827D8C4611687
2 changed files with 35 additions and 2 deletions
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20
chip8.qsf
View file

@ -34,6 +34,7 @@ set_global_assignment -name SYSTEMVERILOG_FILE cpu.sv
set_global_assignment -name SYSTEMVERILOG_FILE alu.sv set_global_assignment -name SYSTEMVERILOG_FILE alu.sv
set_global_assignment -name SYSTEMVERILOG_FILE aastructs.sv set_global_assignment -name SYSTEMVERILOG_FILE aastructs.sv
set_global_assignment -name SYSTEMVERILOG_FILE downclocker.sv set_global_assignment -name SYSTEMVERILOG_FILE downclocker.sv
set_global_assignment -name SYSTEMVERILOG_FILE keypad.sv
set_global_assignment -name SDC_FILE chip8.sdc set_global_assignment -name SDC_FILE chip8.sdc
set_global_assignment -name POWER_PRESET_COOLING_SOLUTION "23 MM HEAT SINK WITH 200 LFPM AIRFLOW" set_global_assignment -name POWER_PRESET_COOLING_SOLUTION "23 MM HEAT SINK WITH 200 LFPM AIRFLOW"
set_global_assignment -name POWER_BOARD_THERMAL_MODEL "NONE (CONSERVATIVE)" set_global_assignment -name POWER_BOARD_THERMAL_MODEL "NONE (CONSERVATIVE)"
@ -64,4 +65,23 @@ set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to lcd_data
set_location_assignment PIN_W20 -to rst_in set_location_assignment PIN_W20 -to rst_in
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
set_location_assignment PIN_AE17 -to col[3]
set_location_assignment PIN_AE20 -to col[2]
set_location_assignment PIN_AF20 -to col[1]
set_location_assignment PIN_AH18 -to col[0]
set_location_assignment PIN_AC24 -to row[0]
set_location_assignment PIN_AD26 -to row[1]
set_location_assignment PIN_AF28 -to row[2]
set_location_assignment PIN_AF27 -to row[3]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to row[3]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to col[3]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to col[2]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to col[1]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to col[0]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to col
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to row[0]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to row[1]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to row[2]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to row

17
chip8.sv
View file

@ -3,7 +3,9 @@ module chip8 (
input wire rst_in, input wire rst_in,
output logic lcd_clk, output logic lcd_clk,
output logic lcd_data, output logic lcd_data,
output logic [5:0] led output logic [5:0] led,
input wire [3:0] row,
output logic [3:0] col
); );
logic slow_clk; logic slow_clk;
`ifdef FAST_CLK `ifdef FAST_CLK
@ -14,6 +16,9 @@ logic slow_clk;
downclocker #(10) dc(fpga_clk, slow_clk); downclocker #(10) dc(fpga_clk, slow_clk);
`endif `endif
logic key_clk;
downclocker #(24) dck(fpga_clk, key_clk);
logic [7:0] rd_memory_data; logic [7:0] rd_memory_data;
logic [11:0] rd_memory_address; logic [11:0] rd_memory_address;
logic [11:0] wr_memory_address; logic [11:0] wr_memory_address;
@ -28,7 +33,15 @@ logic slow_clk;
rd_memory_data rd_memory_data
); );
keypad keypad(
key_clk,
row,
col,
led
);
int cycle_counter; int cycle_counter;
logic [5:0] nc;
cpu cpu ( cpu cpu (
slow_clk, slow_clk,
fpga_clk, fpga_clk,
@ -40,7 +53,7 @@ logic slow_clk;
wr_go, wr_go,
lcd_clk, lcd_clk,
lcd_data, lcd_data,
led nc
); );
endmodule endmodule