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Viewing changes to libc/pmstring/strcpy_P.S

  • Committer: Bazaar Package Importer
  • Author(s): Hakan Ardo
  • Date: 2002-04-15 14:53:38 UTC
  • Revision ID: james.westby@ubuntu.com-20020415145338-c8hi0tn5bx74w7o3
Tags: upstream-20020203
Import upstream version 20020203

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Lines of Context:
libc/pmstring/strcpy_P.S
 
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#include "macros.inc"
 
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#define dest_hi r25
 
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#define dest_lo r24
 
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#define src_hi r23
 
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#define src_lo r22
 
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; char *strcpy_P(char *dest, const char flash *src)
 
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; 10 words, (17 + strlen_P(src) * 10) cycles
 
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        .text
 
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        .global _U(strcpy_P)
 
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        .type   _U(strcpy_P), @function
 
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_U(strcpy_P):
 
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        LOAD_Z(src_lo, src_hi)
 
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        LOAD_X(dest_lo, dest_hi)
 
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.strcpy_P_loop:
 
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        LPM_R0_ZP
 
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        st      X+, r0
 
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        tst     r0
 
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        brne    .strcpy_P_loop
 
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; return dest (unchanged)
 
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        ret
 
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.strcpy_P_end:
 
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        .size   _U(strcpy_P), .strcpy_P_end - _U(strcpy_P)
 
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