playing a song on a simple speaker P0.8 on lpc2148

beep\ark.h
....\command.txt
....\crt0.o
....\crt0.s
....\flip.o
....\flip.S
....\gpio.c
....\gpio.h
....\gpio.o
....\leds.c
....\leds.o
....\Linkerscript
....\LPC210x.inc
....\lpc2148.h
....\main.o
....\main.s
....\Makefile
....\openocd_hu.cfg
....\Project.elf
....\project.h
....\Project.map
....\Project.ppr
....\test.s
beep

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