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Hardwarenahe_Programmierung
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a3: geändert

This commit is contained in:
Johannes Theiner 2018-11-02 14:04:23 +01:00
parent ed1dde77f3
commit 663521c5f5
1 changed files with 16 additions and 11 deletions
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25
src/c/a3.c
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@ -6,27 +6,30 @@
void memdump(unsigned char *string) { void memdump(unsigned char *string) {
int i; int i;
unsigned char buffer[16]; unsigned char buffer[64];
printf("ADDR 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 0123456789ABCDEF\n"); printf("ADDR 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 0123456789ABCDEF\n");
for(i = 0; i <= 32; i++) { for(i = 0; i <= 64; i++) {
string++;
if((i % 16) == 0) { if((i % 16) == 0) {
if(i != 0) printf(" %s\n", string++); if(i != 0) printf(" %s\n", string);
printf("0x%04x ", *string); printf("0x%04x ", *string);
buffer[i] = string[i];
} }
printf(" %02x", string[i]); printf(" %02x", string[i]);
if ((string[i] < 0x20) || (string[i] > 0x7e)) { /*if ((string[i] < 0x20) || (string[i] > 0x7e))
buffer[i % 16] = '.'; buffer[i] = '.';
} else { else
buffer[i % 16] = string[i]; buffer[i] = string[i];*/
}
buffer[(i % 16) + 1] = '\0'; buffer[(i % 16) + 1] = '\0';
} }
while ((i % 16) != 0) { while ((i % 16) != 0) {
printf(" "); printf(" ");
i++; i++;
} }
printf(" %s\n", buffer);
} }
@ -41,7 +44,7 @@ int main(int argc, char **argv) {
} }
memdump((unsigned char*)argv); memdump((unsigned char*)*argv);
char **lastAddress; char **lastAddress;
int count = memreplace(argv[1], *argv[2], *argv[3], 0); int count = memreplace(argv[1], *argv[2], *argv[3], 0);
@ -52,4 +55,6 @@ int main(int argc, char **argv) {
memdump((unsigned char*)argv[1]); memdump((unsigned char*)argv[1]);
free(argv); free(argv);
return 0;
} }