4.116.1 itoa_ncheck.S
/* Copyright (c) 2012 Georg-Johann Lay All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* $Id$ */ #if !defined (__DOXYGEN__) #if !defined (__AVR_TINY__) #include "asmdef.h" /* char *__itoa_ncheck (int val, char *s, unsigned char radix) */ #define val_lo r24 #define val_hi r25 #define str_lo r22 #define radix r20 #define sign r27 /* Argument for __utoa_common() */ ENTRY __itoa_ncheck clr sign cpi radix, 10 brne 1f tst val_hi brpl 1f ; radix == 10 && val < 0: sign = '-' ldi sign, '-' ; val = -val to make val positive com val_hi neg val_lo sbci val_hi, -1 1: XJMP _U(__utoa_common) ENDFUNC #endif /* !__AVR_TINY__ */ #endif /* !__DOXYGEN__ */