Add disass make rule, change -i option to -f

Makefile

@@ -19,6 +19,11 @@ trace: CFLAGS += -g -ggdb -DTRACE -lreadline
 trace: TRACE_SUFFIX = -trace
 trace: hard
 
+
+disass: CFLAGS += -DTRACE -lreadline
+disass: bin/disass.o bin/vm.o
+	$(CC) $(CFLAGS) -o bin/$@ $^
+
 # TODO: add rule to make rom.h
 
 bin/%.o: src/%.c
@@ -26,14 +31,15 @@ bin/%.o: src/%.c
 
 bin/vm.o:
 bin/main.o:
+bin/disass.o:
 
 hard: bin/main.o bin/vm.o
 	$(CC) $(CFLAGS) -o bin/$@$(TRACE_SUFFIX) $^
 
-clean: cleano
-	rm -f bin/hard bin/hard-trace
+clean:
+	rm -f bin/*
 cleano:
-	rm -f bin/main.o bin/vm.o
+	rm -f bin/*.o
 
-.PHONY: all trace clean
+.PHONY: all trace clean clean
 

src/disass.c

@@ -9,10 +9,10 @@
 #include "vm.h"
 
 
-char *usage = "Usage: %s [-z] [-s [start_addr]] -i [vmcodefile]\n"
+char *usage = "Usage: %s [-z] [-s [start_addr]] -f [vmcodefile]\n"
               "-z (optional): don't display addresses next to disassembly\n"
 	      "-s (optional): start disassembly at 'start_addr' in file\n"
-	      "-i (required): path to file to disassemble\n";
+	      "-f (required): path to file to disassemble\n";
 
 /* TODO: eventually reimplement assembler in C (going to be annoying) */
 
@@ -56,7 +56,7 @@ int main(int argc, char *argv[])
 		return EXIT_FAILURE;
 	}
 
-	while ((opt = getopt(argc, argv, "zs:i:")) != -1) {
+	while ((opt = getopt(argc, argv, "zs:f:")) != -1) {
 		switch (opt) {
 			case 'z':
 				show_addr = false;
@@ -67,7 +67,7 @@ int main(int argc, char *argv[])
 					return EXIT_FAILURE;
 				}
 				break;
-			case 'i':
+			case 'f':
 				strncpy(infile, optarg, 4096-1);
 				break;
 			case '?':