title: Meaning of this set of instructions in Mic-1 [MAL Language]
body: <p>The sequence of Mic-1 instructions below realize a new instruction bish8pu x (x is an offset in 8 bit in binary code). What is the meaning of this set of instructions?</p>
  
  <pre><code>bish8pu1    MAR=SP 
  bish8pu2    H=TOS &lt;&lt; 8
  bish8pu3    TOS=MDR=MBRU OR H;wr 
  bish8pu4    PC=PC+1;fetch 
  bish8pu5    goto Main1
  </code></pre>
  
  <p>Thanks a lot</p>