asm volatile ("ldx %0\n" :: "m" (ms) : "x");
asm volatile (
"delay_loop:\n"
- " dex\n" /* 3 */
- " beq delay_out\n" /* 3 */
//" ldd #327\n" /* 3 */
" ldd #150\n" /* 3 */
"delay_inner_loop:\n" /* 15 cycles each */
" subd #0x0001\n" /* 4 */
" bra delay_inner_loop\n" /* 3 */
"delay_inner_loop_end:\n"
+ " dex\n" /* 3 */
+ " beq delay_out\n" /* 3 */
" bra delay_loop\n" /* 3 */
"delay_out:\n" ::: "x", "d");
/*" pulb\n"
" pulx\n");*/
}
+u8 my_strlen(char* s) {
+ char *p = s;
+ while (*p) p++;
+ return p-s;
+}
+
void my_strncpy(char* dst, char* src, u8 max_size) {
u8 i;
for (i = 0; src[i] && i < max_size; i++) dst[i] = src[i];
u8 i = 0;
for (i = 0; i < size; i++) dst[i] = src[i];
}
+
+void my_memset(char* dst, u8 val, u16 count) {
+ char* c;
+ for (c = dst; c < dst+count; c++) *c = val;
+}
+
+u8 hexchar2u8(char b) {
+ if (b >= '0' && b <= '9') return b-'0';
+ if (b >= 'a' && b <= 'f') return b-'a'+0x0a;
+ if (b >= 'A' && b <= 'F') return b-'A'+0x0a;
+ return 0;
+}
+
+char nibble2hexchar(u8 b) {
+ if (b <= 9) return b+'0';
+ if (b >= 10 && b <= 15) return b+'A'-10;
+ return 'X';
+}
+
+u8 hex2u8(char msb, char lsb) {
+ return (hexchar2u8(msb) << 4) + hexchar2u8(lsb);
+}
+
+static char hexconv_buf[3];
+char* u82hex(u8 a) {
+ hexconv_buf[0] = nibble2hexchar((a&0xf0) >> 4);
+ hexconv_buf[1] = nibble2hexchar(a&0x0f);
+ hexconv_buf[2] = '\0';
+ return hexconv_buf;
+}
+