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Re: [lpc2000] Re: Assembly call in C

2006-05-17 by family account

I'm also using Rowley.  Is it done the same way?  Can you give me more detail?  I'm new to assembly.
Thanks,
Dewayne
  ----- Original Message ----- 
  From: vaneenbergen 
  To: lpc2000@yahoogroups.com 
  Sent: Monday, May 15, 2006 10:23 PM
  Subject: [lpc2000] Re: Assembly call in C


  --- In lpc2000@yahoogroups.com, "heedaf" <ruffellfamily@...> wrote:
  >
  > Could someone please send me a sample of how to call assembly code 
  in 
  > C with passing in a variable x and returning a variable y.  I have 
  > some assembly code that I need to call in my C program but I'm not 
  > sure how to do it.  Also, how do you store arrays in assembly.
  > Thanks,
  > Dewayne
  >

  in gcc (i use rowley) the first 4 arguments are in R0 - R3, the rest 
  will be put on stack (so best keep everything withing 4 arguments). 
  the return will be in R0.

  joost






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