Recently i bought a new kit supporting cortex m0+ processor ! I read the complete datasheet but could not find the instruction for using GPIO !!

I searched about programming the processor using assembly language only in KEIL 4.0 ! All i found is codes written in c !! can anyone please suggest me the direction to program the board in ASSEMBLY LANGUAGE ONLY  ??

I bought freescale kl25z supporting cortex m0+ processor !!

Thanks in advance

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