A.5.303.1 Pseudo-code examples
a16 STOSB and with Direction Flag clear (UP) is equal to
MOV BYTE [ES:DI], AL
LEA DI, [DI + 1]
a16 REP STOSW and with Direction Flag clear (UP) is equal to
JCXZ @FF
@@:
MOV WORD [ES:DI], AX
LEA DI, [DI + 2]
a16 LOOP @B
@@:
a32 STOSD with Direction Flag set (DN) is equal to
MOV DWORD [ES:EDI], EAX
LEA EDI, [EDI - 4]