Puzzle: PowerPC Flag Simulation on x86
This week’s puzzle is to copy the carry flag to the high bit of ah. You may destroy any other register, the flags, and the other 24 bits of eax. Shortest sequence wins.
How NOP nearly became a non-NOP on AMD64
AMD64 is a quite clean extension of the i386 instruction set, it obsoletes many rarely used features of the i386 and introduces new registers, making the instruction set a lot more… logical.
First assembly puzzle!
This is our first assembly language puzzle for the new site! These puzzles are tests to see whether you are good enough of an assembly nerd, and to learn some tricks if you’re not =^_^=