IJVM Emulator

Execute and debug IJVM programs with real-time stack visualization

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Examples with default input will automatically populate the input field.
Current Step:0
Status: Ready

Input

Output

Stack Visualization

Operand Stack

Starting from 257 as 1 to 256 is reserved for local variables.
Caller's PC = Program Counter to jump to after IRETURN. Caller's LV = Local variable Pointer to use after IRETURN.
Stack Value
Local Variable
Argument
Caller's PC
Caller's LV
Frame Pointer
Stack is empty

Program Code

Program Code

PC:0Instructions:0
No program loaded