Project part1 – 8-bit ALU Design+Project part 2: 8-bit microprocessor

part1:

part2:

ALU代码：
//runrun ru!run//ALU
module ALU
(input [7:0] a,
input [7:0] b,
input [1:0] ALU_sel,
input [1:0] load_shift,
output [7:0] result,
output cout,
output zout
);

wire [7:0]wire_alu;
reg [7:0] result_reg;

assign wire_alu = ( (ALU_sel == 2’b10 ) ) ? a+b :

( (ALU_sel == 2’b11 ) ) ? a-b :

( (ALU_sel == 2’b01 ) ) ? ~(a|b) :

( (ALU_sel == 2’b00 ) && (load_shift == 2’b11) ) ? {a[0],a[7:1]} :

( (ALU_sel == 2’b00 ) && (load_shift == 2’b01) ) ? {a[6:0],a[7]} :

( (ALU_sel == 2’b00 ) && (load_shift == 2’b10) ) ? a :

( (ALU_sel