Hooking into reset vector

[prwatCCS]

Is there a simple way of getting my own code to run immediately (ie placing at at the point pointed to by the reset vector) and thus before the CCS generated initialisation code?

I am using PIC18F1330, but question is really generic. I have some hardware that I want to initialise as soon as possible after reset, and want to avoid the delay created by CCS startup before entering main().

Note - I do still want to use the CCS startup code, rather than code that myself. In essence I want to insert code between the reset vector jump location and the CCS code that appears before main();

Ideas please ?
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Peter Willis
Development Director
Howard Eaton Lighting Ltd UK

[Ttelmah]

Use the same approach used for bootloaders. Just use the 'build' instruction, to locate the CCS bootvector at a higher point in memory, than the real boot, and then add your own code at the base of memory, which jumps to this address.

Best Wishes

[prwatCCS]

Thanks

as they say, I knew there must be a way .... I just could not for the life of me remember, and my searches in the help file under "reset" and "reset vector" had revealed nothing.

Now my only challenge, no - one of my remaining challenges, is to squeeze the code into the 18F1330. Sadly no space for a bootloader !!
_________________
Peter Willis
Development Director
Howard Eaton Lighting Ltd UK