5.

5) Provide the following ALU H and/or L for the requested operation. Function Table Mode Select Active LOW Operands Active HIGH Operands Inputs & F Outputs & F, Outputs Logic Arithmetic Logic Arithmetic (Note 2) (Note 2) $3 $2 $1 (M = H) (M = L) (Cn = L) (M = H) (M = L) (Cn = H) - r L A A minus 1 A L A + B I AB AB minus 1 A+ B H L A + B AB minus 1 AB A + B H H Logic 1 minus 1 Logic O minus 1 L A + B A plus (A + B) AB A plus AB H B AB plus (A + B) (A + B) plus AB L AB A minus B minus 1 AB A minus B minus 1 H A +B A +B AB AB minus 1 L AB A plus (A + B) A + B A plus AB AB A plus B A B A plus B IIIIFFFFIIIIN IIFFIIFFIER IIIIIIIIFFF B AB plus (A + B) B (A + B) plus AB I A + B A + B AB AB minus 1 Logic O A plus A (Note 1) Logic 1 A plus A (Note 1) H AB AB plus A A+B (A + B) plus A AB AB minus A A + B (A + B) plus A H A A A minus 1 Note 1: Each bit is shifted to the next most significant position Note 2: Arithmetic operations expressed in 2s c ent notation. a $3 S2 S1 SOM = Function (Active LOW - Arithmetic) AB plus A b) $3 S2 S1 SOM = Function (Active LOW - Logic) A 3) $3 $2 S1 SOM = Function (Active HIGH - Logic)