NOP: M68K instruction reference - ASM Editor

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M68K Addressing modes Condition codes Shift directions Trap tasks Synth Exceptions Directives Assembler features Complete documentation

abcd add adda addi addq addx and andi asd asl asr bcc bchg bclr bcs beq bfchg bfclr bfexts bfextu bfffo bfins bfset bftst bge bgt bhi bhs bkpt ble blo bls blt bmi bne bpl bra bset bsr btst bvc bvs cas cas2 chk chk2 clr cmp cmp2 cmpa cmpi cmpm dbcc dbcs dbeq dbf dbge dbgt dbhi dbhs dble dblo dbls dblt dbmi dbne dbpl dbra dbt dbvc dbvs divs divsl divu divul eor eori exg ext extb illegal jmp jsr lea link lsd lsl lsr move movea movec movem movep moveq moves muls mulu nbcd neg negx nop not or ori pack pea reset rod rol ror roxd roxl roxr rtd rte rtr rts sbcd scc scs seq sf sge sgt shi shs sle slo sls slt smi sne spl st stop sub suba subi subq subx svc svs swap tas trap trapcc trapcs trapeq trapf trapge trapgt traphi traphs traple traplo trapls traplt trapmi trapne trappl trapt trapv trapvc trapvs tst unlk unpk

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nopNo operation 
Does nothing except advance to the next instruction.
XNZVC –––––
Leaves every flag unchanged
Forms  nop  
 nop