OBJCOPY = $(TCPREFIX)objcopy
OBJDUMP = $(TCPREFIX)objdump
-opt = -O3 -fomit-frame-pointer -mcpu=arm7tdmi -mtune=arm7tdmi -mthumb -mthumb-interwork
+opt = -O0 -fomit-frame-pointer -mcpu=arm7tdmi -mtune=arm7tdmi -mthumb -mthumb-interwork
dbg = -g
inc = -I. -Ilibs/maxmod