CSE 2341 Computing Machine Design Example Bill Carroll

CSE 2341 Machine Register Organization

CSE 2341 Machine Partial Instruction Set LDA X ;AC  (X) STA X ;X  (AC) ADD X ;AC (AC)+(X) SUB X ;AC (AC)-(X) OR X ;AC (AC)(X) Instruction Format Instruction Cycle

CSE 2341 Machine Micro-operations Instruction Fetch

CSE 2341 Machine Micro-operations Instruction Execution

Control Signal Locations

Controller Design

Multiphase Clock Realization

Control Signal Logic Equations C1 = P1 C2 = P2 + (LDA+ADD+SUB+OR)P6 C3 = P4 C4 = P4 C5 = P5 C6 = STAP6 C7 = LDAP8 C8 = STAP7 C9 = ADDP8 C10 = SUBP8 C11= ORP8