CORTEX M4 instruction set

SunilKalivarapu — Wed, 20 Sep 2023 05:41:22 GMT

is there any possibility of using ROL instruction as there is no opcode provided for that instruction in technical reference manual.

Re: CORTEX M4 instruction set

xiangjun_rong — Wed, 20 Sep 2023 07:40:01 GMT

Hi,

As the following assembly code:

Examples
nop

nop
ROR R4, R5, R6 ; Rotate right by the value in the bottom byte of R6

nop

You can use the MCUXPresso tools to compile the code and download, in the debugger, check the op code.

Hope it can help you

XiangJun Rong