-=-=-=-=-=- Heap Suggested Usage -=-=-=-=-=-

• 0-15, registers
• 16-255, static variables
• 256-2047, stack
• 2048-16383, heap for objects and arrays
• 16384-24575, memory mapped I/O
• 24576-32767, unused memory space

First 5 registers are sp, lcl, arg, this, and that. R5:12 are temp registers. R13:15 are general purpose.