© Thomas Kunz 2000
SCE 574
66
Assembler
äRecap
äProcessor
characterized by register set
äInstruction
set: operations + operands
äActive
behaviour
IR
= memory[PC]
PC
= PC + 1 (go to next instruction)
decode
instruction
execute
instruction
äAssembly
language concepts
äProgram consists of data and instructions that are loaded into
memory such that if processor begins executing from the start
address then the computer will safely meet its objectives