`define GCOP_RDQCDRRX 4'd15
module PROCESSOR (input clk, output [4:0] led, output uart_tx, input uart_rx);
- wire [7:0] result;
+ wire [15:0] result;
+
+ reg [5:0] initial_reset = 30;
+ always @ (posedge clk)
+ if (initial_reset) initial_reset <= initial_reset - 1;
reg [1:0] counter = 0;
- reg gc_clock = counter[1];
- wire eval_clock = !counter[1] & step_eval;
+ wire gc_clock = counter[1] & !initial_reset;
+ wire eval_clock = !counter[1] & step_eval & !initial_reset;
always @ (posedge clk)
counter <= counter + 1;
- wire [7:0] E1;
- wire [7:0] E2;
+ wire [15:0] E1;
+ wire [15:0] E2;
wire [3:0] gcop;
wire [5:0] gostate;
wire [5:0] eostate;
// UART logic
reg uart_tx_signal = 1;
- wire [7:0] uart_tx_byte = result;
+ wire [7:0] uart_tx_byte = result[7:0];
// 300 baud uart
uart #(.CLOCK_DIVIDE(39)) uart (.clk(clk), .rx(uart_rx), .tx(uart_tx), .transmit(uart_tx_signal), .tx_byte(uart_tx_byte), .received(uart_rx_signal), .rx_byte(uart_rx_byte), .is_receiving(uart_is_receiving), .is_transmitting(uart_is_transmitting), .recv_error (uart_rx_error));