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Table 2 Operational sequence of the demonstrative instructions

From: Synthesis of control unit for future biocomputer

Mnemonic

Effect

T0

T1

T2

T3

T4

MOVA

ACC ← Memory

IR ← Memory

PC ← PC + 1

ACC ← Memory

PC ← PC + 1

 

ADD A

ACC ← ACC + A

IR ← Memory

PC ← PC + 1

A ← Memory

PC ← PC + 1

ACC ← (A + ACC)

SUB A

ACC ← A-ACC

IR ← Memory

PC ← PC + 1

A ← Memory

PC ← PC + 1

ACC ←  (A-ACC)

OUT A

Memory←ACC

PC ← PC + 1

IR ← Memory

PC ← PC + 1

Memory←ACC

 

HLT

STOP