Formatted things to look a little nicer

This commit is contained in:
WilliamMiceli
2019-03-29 17:23:26 -04:00
parent 9fe8656d21
commit 2479eefa00

View File

@@ -14,7 +14,7 @@ module CPU9bits(
instructionMemory iM( instructionMemory iM(
.address(PCout), .address(PCout),
.readData(instr) .readData(instr)
); );
dataMemory dM( dataMemory dM(
.clk(clk), .clk(clk),
@@ -22,7 +22,7 @@ module CPU9bits(
.writeData(op0), .writeData(op0),
.address(op1), .address(op1),
.readData(dataMemOut) .readData(dataMemOut)
); );
RegFile RF( RegFile RF(
.clk(clk), .clk(clk),
@@ -54,16 +54,16 @@ module CPU9bits(
.op_idx(fetchBranch), .op_idx(fetchBranch),
.AddrIn(FUAddr), .AddrIn(FUAddr),
.AddrOut(PCout) .AddrOut(PCout)
); );
ALU alu( ALU alu(
.opcode(aluOp), .opcode(aluOp),
.operand0(op0), .operand0(op0),
.operand1(op1), .operand1(op1),
.result(AluOut) .result(AluOut)
); );
ControlUnit CU( ControlUnit CU(
.instIn(instr[8:5]), .instIn(instr[8:5]),
.functBit(instr[0]), .functBit(instr[0]),
.aluOut(aluOp), .aluOut(aluOp),
@@ -76,50 +76,56 @@ module CPU9bits(
.link(link), .link(link),
.bank(bankS), .bank(bankS),
.js(js) .js(js)
); );
//-----------------------Fetch Unit Stuff //-----------------------Fetch Unit Stuff
add_9bit JBAdder( add_9bit JBAdder(
.A(PCout), .A(PCout),
.B(JBRes), .B(JBRes),
.Cin(1'b0), .Cin(1'b0),
.Sum(FUJB), .Sum(FUJB),
.Cout(cout0)); .Cout(cout0)
);
mux_2_1 mux0( mux_2_1 mux0(
.A(op0), .A(op0),
.B(FUJB), .B(FUJB),
.out(FUAddr), .out(FUAddr),
.switch(FU[1])); .switch(FU[1])
);
twos_compliment_9bit two_comp0( twos_compliment_9bit two_comp0(
.A({4'b0000,instr[4:0]}), .A({4'b0000,instr[4:0]}),
.B(jumpNeg)); .B(jumpNeg)
);
mux_2_1 mux1( mux_2_1 mux1(
.A({4'b0000,instr[4:0]}), .A({4'b0000,instr[4:0]}),
.B(jumpNeg), .B(jumpNeg),
.out(SE2N), .out(SE2N),
.switch(js)); .switch(js)
);
mux_2_1 mux2( mux_2_1 mux2(
.A(SE2N), //Jump -- Change with signer module! .A(SE2N), //Jump -- Change with signer module!
.B(SE1N),//Branch -- Change with signer module! .B(SE1N),//Branch -- Change with signer module!
.out(JBRes), .out(JBRes),
.switch(FU[2])); .switch(FU[2])
);
sign_extend_3bit SE1( sign_extend_3bit SE1(
.A(instr[2:0]), .A(instr[2:0]),
.B(SE1N)); .B(SE1N)
);
bit1_mux_2_1 BranMux( // BEQ MUX bit1_mux_2_1 BranMux( // BEQ MUX
.A(FU[0]), .A(FU[0]),
.B(AluOut[0]), .B(AluOut[0]),
.out(fetchBranch), .out(fetchBranch),
.switch(FU[2])); // FU[2] only goes high when BEQ .switch(FU[2]) // FU[2] only goes high when BEQ
);
///--------------------------Addi Stuff ///--------------------------Addi Stuff
@@ -128,26 +134,29 @@ module CPU9bits(
.B(op0), .B(op0),
.Cin(1'b0), .Cin(1'b0),
.Sum(AddiOut), .Sum(AddiOut),
.Cout(cout1)); .Cout(cout1)
);
sign_extend_3bit SE3( sign_extend_3bit SE3(
.A(instr[2:0]), .A(instr[2:0]),
.B(SE3N)); .B(SE3N)
);
mux_2_1 mux3( mux_2_1 mux3(
.A(AluOut), .A(AluOut),
.B(AddiOut), .B(AddiOut),
.out(loadMux), .out(loadMux),
.switch(addiS)); .switch(addiS)
);
///--------------------------Mem stuff ///--------------------------Mem stuff
mux_2_1 mux4( mux_2_1 mux4(
.A(linkData), .A(linkData),
.B(dataMemOut), // This is DATA MEM .B(dataMemOut), // This is DATA MEM
.out(bankData), .out(bankData),
.switch(loadS)); .switch(loadS)
);
///--------------------------Bank stuff ///--------------------------Bank stuff
@@ -155,7 +164,8 @@ module CPU9bits(
.A(bankData), .A(bankData),
.B(bankOP), .B(bankOP),
.out(RFIn), .out(RFIn),
.switch(bankS[0])); .switch(bankS[0])
);
///--------------------------Link Stuff ///--------------------------Link Stuff
@@ -163,7 +173,8 @@ module CPU9bits(
.A(loadMux), .A(loadMux),
.B(PCout), .B(PCout),
.out(linkData), .out(linkData),
.switch(link)); .switch(link)
);
endmodule endmodule
@@ -171,13 +182,9 @@ endmodule
module CPU9bits_tb(); module CPU9bits_tb();
reg clk, reset; reg clk, reset;
wire done; wire done;
initial begin always
clk = 1'b0;
end
always begin
#5 clk = ~clk; // Period to be determined #5 clk = ~clk; // Period to be determined
end
CPU9bits CPU9bits0( CPU9bits CPU9bits0(
.reset(reset), .reset(reset),
@@ -185,6 +192,7 @@ module CPU9bits_tb();
.done(done)); .done(done));
initial begin initial begin
clk = 1'b0;
#5 #5
reset = 1'b1; reset = 1'b1;
#10 #10