cmcrc10
cmcrc10.rar
/* CRCTABLE 1.0? Public Domain by Celso Minnitti, Jr? Feb-06-94 ?*/
/* This program will generate the crc16_table and CRC32_table??*/
/* that are used by CMCRC.ASM??????????*/
#include
#define CRC32_POLYNOMIAL 0xEDB88320
#define CRC16_POLYNOMIAL 0xA001
void main()
{
?unsigned long crc32Table[256];
?unsigned int crc16Table[256];
?unsigned int crc;
?unsigned long crc32;
?int i, j;
?printf("CRCTABLE 1.0? Public Domain by Celso Minnitti, Jr? Feb-06-94\n\n");
?for (i = 0; i < 256; i++) {
??crc = i;
??for (j = 8; j > 0; j--) {
???if (crc & 1)
????crc = (crc >> 1) ^ CRC16_POLYNOMIAL;
???else
????crc >>= 1;
??}
??crc16Table[i] = crc;
?}
?printf("\ncrc16_table\tlabel\tword");
?for (i = 0; i < 256; i++) {
??if (!(i%32) && i) printf("\n; %Xh", i);
??if (!(i%8)) printf("\n\tdw ");
??if (i%8 != 7) printf("0%04Xh, ", crc16Table[i]);
??else
???printf("0%04Xh", crc16Table[i]);
?}
?printf("\n");
?for (i = 0; i < 256; i++) {
??crc32 = i;
??for (j = 8; j > 0; j--) {
???if (crc32 & 1)
????crc32 = (crc32 >> 1) ^ CRC32_POLYNOMIAL;
???else
????crc32 >>= 1;
??}
??crc32Table[i] = crc32;
?}
?printf("\ncrc32_table\tlabel\tdword");
?for (i = 0; i < 256; i++) {
??if (!(i%16) && i) printf("\n; %Xh", i);
??if (!(i%4)) printf("\n\tdd ");
??if (i%4 != 3) printf("0%08lXh, ", crc32Table[i]);
??else
???printf("0%08lXh", crc32Table[i]);
?}
}
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