% ALU operation with one operand (NOT, INC, DEC, SR) % #1 the 8-bit input to use (alu_a_to_1, alu_b_to_1, alu_c_to_1) % #2 the operation to perform % #3 the 8-bit output to use (ld_a, ld_b, ld_c, ld_mem) % #4 optional select line for e.g. memory addressing inhibit_i inhibit_i inhibit_i inhibit_i #1 #2 #3 #4 bc_load #1 #2 #4 0 reset inhibit_i