direction-bit ( dst src op -- reg operand op' )

Vocabulary
cpu.x86.assembler.private

Definition

USING: cpu.x86.assembler.operands kernel ;

IN: cpu.x86.assembler.private

: direction-bit ( dst src op -- reg operand op' )
    pick register? pick register? not and
    [ 2 opcode-or ] [ swapd ] if ;