In the x86_64 instruction set, why does only movl set the upper 4 bytes to 0, whereas all other mov instructions do not modify the rest of the bytes? - Quora
Instruction Set
Instruction Set
8086 assembler tutorial for beginners (part 1) what is assembly language? inside the cpu
7.9. 8086 assembly language
8086 program to divide a 16 bit number by an 8 bit number - GeeksforGeeks