OBJS = \
motors.o keypad.o display_basic.o coinmech.o chime.o \
- helpers.o main_basic.o comm.o \
- vectors.o start.o
+ helpers.o main_basic.o sci.o \
+ vectors.o start.o romsrc.o xmodem.o
INCLUDES = vend.h keypad.h chime.h asm.h display_basic.h ports.h types.h
-
-CFLAGS = -O3 -m68hc11 -mshort -Wall -Os \
- -msoft-reg-count=0 -ffixed-z
+# debugging doesn't get compiled into the ROM image
+CFLAGS = -m68hc11 -mshort -Wall -O1 \
+ -msoft-reg-count=0 -ffixed-z -g -fomit-frame-pointer
LDFLAGS = -m68hc11 -mshort -Wl,-m,m68hc11elfb \
-nostartfiles \
rom2.elf: $(OBJS) memory.x
$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LIBADD)
+ $(SIZE) $@
clean:
- rm -f *.o *.elf *.s19 *.b *.a
+ rm -f *.o *.elf *.s19 *.b *.a rom.tar.bz2 romsrc.s crctab.h m68hc11-gdb gencrctab
#
# Some useful rules
size: rom2.s19
$(SIZE) $<
+rom.tar.bz2:
+ rm -f romsrc.s crctab.h
+ tar cjf rom.tar.bz2 README Makefile gdbsimrc *.pl *.c *.h *.s *.x
+
+romsrc.s: rom.tar.bz2 src2asm.pl
+ perl -w src2asm.pl < $< > $@
+
+xmodem.c: crctab.h
+
+gencrctab: gencrctab.c
+ gcc -o $@ $<
+
+crctab.h: gencrctab
+ ./gencrctab > $@
#
# Implicit rules
.elf.b:
$(OBJCOPY) --output-target=binary --gap-fill=255 \
- --only-section=.data $(OBJCOPY_FLAGS) $< $*.b
-
+ $(OBJCOPY_FLAGS) $< $*.b
+ @perl -e '$$sum = 0;while(read STDIN, $$a, 1){$$sum += ord($$a); $$sum = $$sum&0xffff;} printf "Checksum is \%x\n", $$sum' < $@
+
+m68hc11-gdb: /usr/bin/m68hc11-gdb
+ sed -e 's|m68hc11eepr/reg 0xb000 512|m68hc11eepr/reg 0x4000 1 |' < $< > $@
+ chmod 755 $@
+
+sim: m68hc11-gdb rom2.elf
+ ./m68hc11-gdb -x gdbsimrc rom2.elf