Small useless optimization

src/main.c

@@ -201,7 +201,7 @@ load_rom(const char* path)
     for (long t = 0; t < s; t += 2) {
         fprintf(
           stderr, "%04X ", (memory[t + 0x200] << 8) + memory[t + 0x200 + 1]);
-        if (c++ == 7) {
+        if (++c == 8) {
             putchar('\n');
             c = 0;
         }