Added general purpose memory

1 files changed, 36 insertions, 0 deletions

diff --git a/gpr/v0.1/gpr_register.v b/gpr/v0.1/gpr_register.v
new file mode 100644
index 0000000..7f27be9
--- /dev/null
+++ b/gpr/v0.1/gpr_register.v
@@ -0,0 +1,36 @@
+module gpr_register(
+    input clk,
+    
+    input reg_write_en,
+    input [2:0]reg_write_dest,
+    input [15:0]reg_write_data,
+    
+    input [2:0]reg_read_addr_1,
+    output [15:0]reg_read_data_1,
+
+    input [2:0]reg_read_addr_2,
+    output [15:0]reg_read_data_2
+);
+
+reg [15:0] reg_array[7:0];
+integer i;
+
+//set initial values of registers to 0
+initial begin
+    for (i=0; i<8; i=i+1)
+        reg_array[i] <= 16'd0; 
+end
+
+//handlr write behaviour
+always @(posedge clk) begin
+    if (reg_write_en) begin
+        reg_array[reg_write_dest] = reg_write_data;
+    end
+end
+
+assign reg_read_data_1 = reg_array[reg_read_addr_1];
+//assign reg_read_data_1 = reg_array[3'b001];
+assign reg_read_data_2 = reg_array[reg_read_addr_2];
+
+
+endmodule
\ No newline at end of file