# makefile to create various emulator builds

REV=${shell hg id -n}

.PHONY:	em emwarn debug trace fixed

em:	# normal
	rm -rf em.o
	cc -DREV=\"${REV}\" -DNOTRACE -DFAST -DNOMEM -O -Winline em.c -o em

emwarn: # lots of compiler warnings
	rm -rf em.o
	cc -DREV=\"${REV}\" -DNOTRACE -DFAST -DNOMEM -O -Wall -Wextra -pedantic -Wconversion em.c -o em

debug:   # gdb
	rm -rf em.o
	cc -DREV=\"${REV}\" -DNOTRACE -DFAST -DNOMEM -g -O0 em.c -o em

trace:   # tracing
	rm -rf em.o
	cc -DREV=\"${REV}\" -DFAST -DNOMEM -O em.c -o em

# the fixed clock rate build is useful for making problems reproduceable.
#
# If the emulator crashes on a specific program, run it at the end of 
# PRIMOS.COMI to get a more consistent instruction count for the
# failure, then enable tracing a little before that with -trace <IC - 100>

fixed:  # fixed clock rate
	rm -rf em.o
	cc -DREV=\"${REV}\" -DFIXEDCLOCK -DNOIDLE -DFAST -DNOMEM -O em.c -o em