Lpc2000

--- In lpc2000@yahoogroups.com, Ralph Hempel <rhempel@...> wrote:

> The buf_inpos and buf_outpos are still a mystery. One looks like 
it's
> being loaded from a fixed value that's stored close by in code 
space:
> 
>    ldr r3, [pc, #304]
> 
> while the other looks like it's coming off the stack frame:
> 
>    ldr r1, [r11, #-28]
> 
> Ralph

The thing that struck me as strange about the comparison is that it's 
loading one as a byte the other as a word and then comparing.

> >>        E59F3130   ldr r3, [pc, #304]
> >>        E5D33000   ldrb r3, [r3]
> >>        E51B101C   ldr r1, [r11, #-28]
> >>        E1530001   cmp r3, r1

Hance my interest in seeing how they were declared.

Isn't this fun, second-guessing a compiler! NOT! 

Note to self: find something more productive to do with my time....

Brendan