uHex Code

explicit assignment of default params to 0 replaced by a single memset() call

optimization - removal of the unnecessary 'found' variable

replaced all MODULO operations by (much faster) binary AND

micro-optimization (removed an unnecessary strlen() call)

micro-optimization (one memcpy call less)

replaced malloc()+strcpy() by a single strdup() (slightly faster and slightly smaller)

a few code reformating changes, and added check for out of memory conditions, too

implemented a read disk cache to limit the number of disk I/O accesses

slight reformatting

screen width is detected via INT10,F instead of relying on reading BIOS area