arm-none-eabi-as -mcpu=cortex-m3 -o t.o t.s
if errorlevel 1 goto bad
arm-none-eabi-ld -Map t.map -T stm32.ld -o t.elf t.o
if errorlevel 1 goto bad
arm-none-eabi-objdump -d t.elf > t.lst
arm-none-eabi-objcopy -O ihex t.elf t.hex
\stmflash\stmflashloader -c --pn 5 -Dtr --Hi -i STM32_Med-density_64K -e --all -d --fn t.hex -r --a 0x8000000
:bad