load_next <= #1 4'd0;
end
else
- if((load_next != channels) & !tx_empty)
+ if(load_next != channels)
begin
load_next <= #1 load_next + 4'd1;
case(load_next)
- 4'd0 : tx_i_0 <= #1 fifodata;
- 4'd1 : tx_q_0 <= #1 fifodata;
- 4'd2 : tx_i_1 <= #1 fifodata;
- 4'd3 : tx_q_1 <= #1 fifodata;
- 4'd4 : tx_i_2 <= #1 fifodata;
- 4'd5 : tx_q_2 <= #1 fifodata;
- 4'd6 : tx_i_3 <= #1 fifodata;
- 4'd7 : tx_q_3 <= #1 fifodata;
+ 4'd0 : tx_i_0 <= #1 tx_empty ? 16'd0 : fifodata;
+ 4'd1 : tx_q_0 <= #1 tx_empty ? 16'd0 : fifodata;
+ 4'd2 : tx_i_1 <= #1 tx_empty ? 16'd0 : fifodata;
+ 4'd3 : tx_q_1 <= #1 tx_empty ? 16'd0 : fifodata;
+ 4'd4 : tx_i_2 <= #1 tx_empty ? 16'd0 : fifodata;
+ 4'd5 : tx_q_2 <= #1 tx_empty ? 16'd0 : fifodata;
+ 4'd6 : tx_i_3 <= #1 tx_empty ? 16'd0 : fifodata;
+ 4'd7 : tx_q_3 <= #1 tx_empty ? 16'd0 : fifodata;
endcase // case(load_next)
- end // if ((load_next != channels) & !tx_empty)
+ end // if (load_next != channels)
else if(txstrobe & (load_next == channels))
begin
load_next <= #1 4'd0;