[Verse 1] Deep inside the silicon maze, circuits pulse with electric phase Arithmetic logic unit waits, while control unit orchestrates Registers hold the precious data, cache memories store our strata Fetch decode execute repeat, this trinity makes systems complete [Chorus] Fetch the instruction, decode the mission Execute with precision, write back the vision RISC keeps it simple, CISC goes complex Pipeline the sequence, performance reflects Architecture dancing, instruction advancing CPU commanding the digital prancing [Verse 2] Opcode tells us what to do, operands provide the clue Immediate mode holds the value, register mode shows the rescue Memory addressing gets indirect, while indexed mode stays direct Instruction formats paint the scene, thirty-two bits or sixteen [Chorus] Fetch the instruction, decode the mission Execute with precision, write back the vision RISC keeps it simple, CISC goes complex Pipeline the sequence, performance reflects Architecture dancing, instruction advancing CPU commanding the digital prancing [Bridge] Branch prediction guessing jumps ahead Pipeline stalls when hazards spread Superscalar engines multiply Multiple instructions learn to fly Von Neumann stored his program code Harvard split the memory load [Verse 3] Assembly language speaks machine, mnemonics make the meaning clean Load and store move data around, arithmetic operations found Conditional branches test the flags, while loops and jumps fill memory bags Interrupts break the normal flow, exceptions make the system know [Chorus] Fetch the instruction, decode the mission Execute with precision, write back the vision RISC keeps it simple, CISC goes complex Pipeline the sequence, performance reflects Architecture dancing, instruction advancing CPU commanding the digital prancing [Outro] From transistors to the running code CPU architects paved this road Machine language speaks in binary dreams While processors execute our schemes
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