I simulate the following simple test:
If HEX is not checked, the data is displayed - but clicking it gives the error.
When I go to the MEMORY window, select SFR I get "Run-time error '6': Overflow" IF the 'HEX' box is checked. Clicking on 'OK' closes PE.#picaxe 20m2
symbol n = b0
bptr = 64
for n = 1 to 5
@bptrinc= n
next
If HEX is not checked, the data is displayed - but clicking it gives the error.