graphics working

rom_loader.sv

@@ -0,0 +1,23 @@
+module rom_loader (
+    output bit [7:0] memory [0:4095],
+    output logic rom_ready
+    );
+
+    import "DPI-C" function int load_rom();
+    import "DPI-C" function bit [7:0] get_next_instr();
+    import "DPI-C" function void close_rom();
+
+    int rom_size;
+    int i;
+
+    initial begin
+        rom_size = load_rom();
+        $display("HW     : ROM size is %0d bytes (%0d bits) (%0d instructions)", rom_size, rom_size * 8, rom_size / 2);
+        for (i = 0; i < rom_size; i++) begin
+            memory[i] = get_next_instr();
+        end
+        close_rom();
+        $display("HW     : ROM loaded successfully");
+        rom_ready = 1;
+    end
+endmodule