(I should add - it's an x86, you're really register poor - sometimes you do have to do stuff like that - but if you have a register "mov reg, a;jmp (reg)" is be

(I should add - it's an x86, you're really register poor - sometimes you do have to do stuff like that - but if you have a register "mov reg, a;jmp (reg)" is better than "push a;ret")