vaddrΒΆ
This is an optional operand which may specify offset and/or index.
Size: 0, 1 or 2 dwords. Size is controlled by modifiers offen and idxen:
If only idxen is specified, this operand supplies an index. Size is 1 dword.
If only offen is specified, this operand supplies an offset. Size is 1 dword.
If both modifiers are specified, index is in the first register and offset is in the second. Size is 2 dwords.
If none of these modifiers are specified, this operand must be set to off.