Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

• a : Register
• address : stackElement , dynamicMemCell
• addressMode : Instruction
• b : Register
• content : dynamicMemCell
• data : CallbackList
• end : DynamicMemory
• errorMessage : CallbackList
• interpreterReset : CallbackList
• lineInterpreted : CallbackList
• memoryChange : CallbackList
• negativeFlag : Register
• next : dynamicMemCell
• opCode : Instruction
• operand : Instruction
• outputAvailable : CallbackList
• overflowFlag : Register
• programCounter : Register
• programEnd : CallbackList
• programStart : CallbackList
• readInput : CallbackList
• registerChange : CallbackList
• size : StaticMemory
• start : StaticMemory , DynamicMemory
• top : CallStack
• under : stackElement
• zeroFlag : Register