# RE: How do you change the program counter (PC)

- From: \<hidden\>
- Date: 2003-01-24 16:58:20 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2003/01/9386387
- Thread: https://ratatoskr.run/linuxppc-dev/2003/01/9386387/t.md

```text

> > SREC: (I am not much sure) It seems an old format used
> mostly by motorola.
> > It's like BIN format, but has other information used for
> downloading. It seems
> > some bootloaders need SREC format for downloading.
> >
>
> SREC is more or less the same as a BIN file but it has an address and
> checksum so it would be much smaller if you want to put a
> byte at 0 and
> one at 100000 and you can be sure that is is correctly transfered.

A big difference is that SREC is full ascii, which means lots of
bytes of overhead, which means longer transfer times if you're loading
via rs232.

Erik

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```