microdigitaled http://www.microdigitaled.com/ARM/ASM_ARM/Code/ARM_ASM_codes.htm search baidupan, arm_asm_code.zip https://nicerland.com/raspberry-pi/ search baidupan raspberry-pi_asm 1024 points radix-4 complex fft https://github.com/gk969/stm32-speech-recognition/blob/master/Src/BSP/cr4_fft_1024_stm32.s Cortex-M3 Devices Generic User Guide https://developer.arm.com/documentation/dui0552/a/the-cortex-m3-instruction-set/branch-and-control-instructions/it SPIM: A MIPS32 Simulator http://spimsimulator.sourceforge.net An 8-bit minicomputer with a fully custom architecture https://github.com/jdah/jdh-8 Open-source high-performance RISC-V processor https://github.com/OpenXiangShan/XiangShan Write your Own Virtual Machine https://justinmeiners.github.io/lc3-vm/