It is written in C. IAR run. Main function is stm32F103 external interrupt routine.

33_EXIT\EWARM\Debug\Exe\EXIT.bin
.......\.....\.....\...\EXIT.out
.......\.....\.....\List\core_cm3.lst
.......\.....\.....\....\core_cm3.s
.......\.....\.....\....\EXIT.map
.......\.....\.....\Obj\core_cm3.o
.......\.....\.....\...\EXIT.pbd
.......\.....\.....\...\startup_stm32f10x_md.o
.......\.....\EXIT.dep
.......\.....\EXIT.ewd
.......\.....\EXIT.ewp
.......\.....\EXIT.eww
.......\.....\main.c
.......\.....\settings\EXIT.cspy.bat
.......\.....\........\EXIT.dbgdt
.......\.....\........\EXIT.dni
.......\.....\........\EXIT.wsdt
.......\.....\stm32f10x_flash.icf
.......\.....\stm32f10x_flash_extsram.icf
.......\.....\stm32f10x_nor.icf
.......\.....\stm32f10x_ram.icf
.......\Libraries\CMSIS\CM3\CoreSupport\core_cm3.c
.......\.........\.....\...\...........\core_cm3.h
.......\.........\.....\...\DeviceSupport\ST\Release_Notes_for_STM32F10x_CMSIS.html
.......\.........\.....\...\.............\..\STM32F10x\startup\arm\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_hd_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\.......\gcc_ride7\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_hd_vl.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\.......\iar\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_hd_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\.......\TrueSTUDIO\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_hd_vl.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\stm32f10x.h
.......\.........\.....\...\.............\..\.........\system_stm32f10x.h
.......\.........\.....\CMSIS debug support.htm
.......\.........\.

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