1/* Copyright (c) 2012 Georg-Johann Lay 2 All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions are met: 6 7 * Redistributions of source code must retain the above copyright 8 notice, this list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above copyright 10 notice, this list of conditions and the following disclaimer in 11 the documentation and/or other materials provided with the 12 distribution. 13 * Neither the name of the copyright holders nor the names of 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 POSSIBILITY OF SUCH DAMAGE. */ 28 29/* $Id: ultoa.S 2420 2014-04-28 14:05:10Z pitchumani $ */ 30 31#if !defined (__DOXYGEN__) 32#if !defined (__AVR_TINY__) 33 34#include "asmdef.h" 35 36/* char *ultoa (unsigned long val, char *s, int radix) */ 37 38#define val_lo r22 39#define str_lo r20 40#define rdx_lo r18 41#define rdx_hi r19 42 43 44ENTRY ultoa 45ENTRY __ultoa 46 47 ; Check radix 48 cpi rdx_lo, 37 49 cpc rdx_hi, __zero_reg__ 50 brsh 1f 51 cpi rdx_lo, 2 52 brlo 1f 53 XJMP _U(__ultoa_ncheck) 54 551: X_movw ZL, str_lo 56 st Z, __zero_reg__ 57 X_movw r24, str_lo 58 ret 59 60ENDFUNC 61 62#endif /* !__AVR_TINY__ */ 63#endif /* !__DOXYGEN__ */ 64