54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#include "lib.h"
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void *memset(void * ptr, int value, unsigned int num){
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unsigned char *p = ptr;
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while (num) {
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*p++ = value;
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num--;
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}
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return ptr;
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}
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int strcomp(char* s1, char* s2, unsigned int size){
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for(int i = 0; i < size*2; i++){
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if(s1[i] != s2[i]) return 0;
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}
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return 1;
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}
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void strcopy(char* dest, char* source, unsigned int size){
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for(int i = 0; i < size*2; i++) dest[i] = source[i];
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}
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int memcmp(void* buf1, void* buf2, int size){
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int equal = 0;
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for(int i = 0; i < size; i++){
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if(*((unsigned char*)buf1 + i) != *((unsigned char*)buf2 + i)){
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equal = i;
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break;
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}
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}
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return equal;
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}
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int atoi(const char* nptr){
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int result = 0,
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position = 1;
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const char* p = nptr;
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while(*p) ++p;
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for(--p; p >= nptr; p--){
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if(*p < 0x30 || *p > 0x39) break;
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else{
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result += (position) * (*p - 0x30);
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position *= 10;
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}
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}
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result = ((nptr[0] == '-')? -result : result);
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return result;
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}
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unsigned isPressed(unsigned bitfield){
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return ((~*(unsigned *)0x10146000) & 0xFFF) == (bitfield & 0xFFF) ? 1 : 0;
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} |