1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
module ctrl_encode (
input [3:0] aluOp,
input [2:0] aluReg1,
input [2:0] aluReg2,
input [1:0] aluOpSource1, // ALU first operand: 0 = reg, 1 = memory read, 2 = imm8, 3 = PC
input [1:0] aluOpSource2, // ALU second operand: 0 = reg, 1 = ~reg, 2 = PC, 3 = ???
input aluDest, // 0 = reg, 1 = PC
input [1:0] aluCarrySource, // ALU carry flag input source
input [2:0] regDest,
input regSetH,
input regSetL,
input [2:0] regAddr,
input memReadB,
input memReadW,
input memWriteB,
input memWriteW,
input [5:0] setRegCond, // {should set when condition is true, Z doesn't matter, S doesn't matter, Z must be this, S must be this}
output [34:0] control_signals
);
assign control_signals = {
aluOp,
aluReg1,
aluReg2,
aluOpSource1,
aluOpSource2,
aluDest,
aluCarrySource,
regDest,
regSetH,
regSetL,
regAddr,
memReadB,
memReadW,
memWriteB,
memWriteW,
setRegCond
};
endmodule
|
