git.joshuawise.com / firearm.git / blame
| Commit | Line | Data |
|---|---|---|
| cb1e103e JW |
1 | module BusArbiter( |
| 2 | input [7:0] bus_req, | |
| 3 | output reg [7:0] bus_ack); | |
| 4 | ||
| 5 | always @(*) | |
| 6 | casex (bus_req) | |
| 7 | 8'b00000000: bus_ack <= 8'b00000000; | |
| 8 | 8'bxxxxxxx1: bus_ack <= 8'b00000001; | |
| 9 | 8'bxxxxxx10: bus_ack <= 8'b00000010; | |
| 10 | 8'bxxxxx100: bus_ack <= 8'b00000100; | |
| 11 | 8'bxxxx1000: bus_ack <= 8'b00001000; | |
| 12 | 8'bxxx10000: bus_ack <= 8'b00010000; | |
| 13 | 8'bxx100000: bus_ack <= 8'b00100000; | |
| 14 | 8'bx1000000: bus_ack <= 8'b01000000; | |
| 15 | 8'b10000000: bus_ack <= 8'b10000000; | |
| 16 | endcase | |
| 17 | endmodule |