8-bit Microprocessor Verilog Code 【360p × 1080p】

// Instantiate modules alu alu_inst (.a(reg_a), .b(reg_b), .op(alu_op), .result(alu_result), .zero(alu_zero));

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// Memory interface assign addr_bus = (state == FETCH) ? pc : ((state == MEM_READ || state == MEM_WRITE) ? ir[7:0], reg_b : 16'hzzzz); assign data_bus = (state == MEM_WRITE) ? reg_a : 8'hzz; assign mem_read = (state == FETCH || state == MEM_READ); assign mem_write = (state == MEM_WRITE); // Instantiate modules alu alu_inst (