//This file defines the parameters used in the alu
// CSE141L
//	Rev. 2020.5.27
// import package into each module that needs it
//   packages very useful for declaring global variables
package definitions;
    
/* Instruction map
    const logic [2:0]kADD  = 3'b000;
    const logic [2:0]kLSH  = 3'b001;
    const logic [2:0]kRSH  = 3'b010;
    const logic [2:0]kXOR  = 3'b011;
    const logic [2:0]kAND  = 3'b100;
	const logic [2:0]kSUB  = 3'b101;
	const logic [2:0]kCLR  = 3'b110;
*/
// enum names will appear in timing diagram
    typedef enum logic[2:0] {
        ADD, LSH, BSH, XOR,
        AND, SUB, CLR } op_mne;
// note: kADD is of type logic[2:0] (3-bit binary)
//   ADD is of type enum -- equiv., but watch casting
//   see ALU.sv for how to handle this   
endpackage // definitions