• Opcode: 0x03
  • Short name: JPF
  • Long name: Jump Forward with condition

Argument

Number of instructions to jump forward. (in Deling’s editor, this is just a label)

Stack

Condition

JPF

Description

Jump forward a number of instructions given by the Argument if condition is equal to 0. Else does nothing. The condition is always popped from the stack. Concretely: the top stack value is popped; if it is non-zero the handler returns 2 (fall through to the next instruction); if it is zero the signed Argument is added to the instruction pointer (entity +374) and the handler returns 4.

PC handler: SCRIPT_JPF.

Function addresses

Function Address Description
SCRIPT_JPF 0x51C4F0 Field script opcode handler (verified IDA function)