// Module: stdlib/hardware/alu_trit.tern
// Purpose: Ternary Arithmetic Logic Unit (RTL Simulation)
// Author: RFI-IRFOS
// Ref: https://ternlang.com
// Hardware-level abstraction for ALU operations in ternary processors.
fn alu_add_trit(a: trit, b: trit, carry_in: trit) -> trit {
// Full adder
let sum1: trit = consensus(a, b);
let sum2: trit = consensus(sum1, carry_in);
return sum2;
}
fn alu_mul_trit(a: trit, b: trit) -> trit {
// Hardware multiplier. 0 * X physically turns off the gate cascade.
if a == tend { return tend; }
if b == tend { return tend; }
if a == b { return affirm; }
return reject;
}
fn alu_opcode_decode(instruction: int) -> trit {
// Control unit decode
return affirm;
}