Assembly language instructions for popular processor familiies

1. Assembler instructions/ISA for AVR processors
(a) https://github.com/pravdomil/AVR-Instruction-Set
(b) https://www.microchip.com/webdoc/avrassembler/avrassembler.wb_instruction_list.html

2. ISA(Instruction Set Architecture) for PIC family of microcontrollers



3. ISA(Instruction Set Architecture) for ARM family of microcontrollers



4. ISA(Instruction Set Architecture) for x8086/85 family of microprocessors
https://www.felixcloutier.com/x86/
5. ISA(Instruction Set Architecture) for Motorola 68000 family of microprocessors
http://mrjester.hapisan.com/04_MC68/Index.html
6. CPU12/HSC12/M68HC12 instruction set
    (a) http://www.secs.oakland.edu/~llamocca/Courses/ECE470/FreescaleTraining_HCS12%20Instruction%20Set.pdf