Test programs for the runtime lib:
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clock.c		-	test program for clock() and CLOCKS_PER_SEC
cprintf.c	-	test program for cprintf \n and \r operators
deb.c		-	test program for the library debugger
div-test.c      -       test division/modulus and the div() routine
ft.c		-	File I/O test program (open + read functions)
getsp.s		-	Helper routine for ft.c
joytest.c	-	readjoy function test program
time-test.c     -       Test the time/mktime/gmtime/asctime functions