| `0x03fffe` | ~256k | Stack (SSP). Grows towards 0. At round about 0x0000400 it would start stomping all over the memory area used by the monitor |
| `0x040000` | n/a | Start of user program (.text), followed by initialised data (.data) and then unititialised data (.bss). The .bss area is initialised to all zeroes before main() is called. |
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**Heap**
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The runtime allocates all free memory from the end of the .bss area to the end of ram to the heap (malloc/free).