eori
Logical exclusive OR immediate
Performs a logical exclusive OR of an immediate value and the second operand, storing the result in the second operand.
Used in
- Arithmetic, logic and bitsM68K assembly
- Arithmetic, logic and bitsAssembly basics
XNZVC –●●00
- ● set from the result
- 0 always 0
- – not changed
Forms
eori ,Size .b
Privileged
These forms require supervisor mode, the mode a program starts in. In user mode they raise a privilege violation. See user and supervisor mode.
eori ,Size .w
Operands
#imm- An immediate value written after
#: a number, character or label, such as#10,#$FFor#'a'. It must fit the operation’s size: byte-128to255, word-32768to65535, or long-2147483648to4294967295; signed and unsigned spellings are accepted. More <ea>- An operand using one of the addressing modes listed for this form. The list determines whether it can be a register, memory or an immediate value. With
opt p=68020, an allowedd(An,Xn)ord(PC,Xn)mode also permits the corresponding 68020 indexed and memory indirect forms. See 68020 addressing. More ccr- The condition-code register: the low byte of
sr, containing theX,N,Z,VandCflags. More sr- The 16-bit status register. Its upper byte contains system flags; its lower byte contains the condition codes. More
move.l #%11001100, d0
eori.b #%11110000, d0 ; d0 = %00111100