Zewp VM — Stack Machine Visualizer

    Program (one instruction per line)
    ; Fibonacci sequence — first 10 numbers
PUSH 0      ; a = 0
PUSH 1      ; b = 1
STORE 0     ; mem[0] = counter (10)
PUSH 10
STORE 0

; Loop
LOAD 0      ; load counter
PUSH 0
EQ
JNZ 24      ; if counter == 0, jump to HALT

; Print current fib number
DUP         ; duplicate top (b)
PRINT

; Calculate next: a, b -> b, a+b
SWAP
OVER
ADD

; Decrement counter
LOAD 0
PUSH 1
SUB
STORE 0

JMP 6       ; loop back

HALT
  

Stack

Instructions

PC:0

SP:0

Step:0

Memory (32 cells)

Output