{{htmlmetatags>metatag-description:(ICL George 3 and George 4 GIN macro: IPBNULL)}}
====== IPBNULL ======
(GIN Macro)

**Defined in:** [[george:source:MACS_CONC|MACS CONC]]

**Used in:** [[george:source:CDCIPB864|CDCIPB864]], [[george:source:DETACH867|DETACH867]], [[george:source:DETACHB867|DETACHB867]], [[george:source:IPBCCA867|IPBCCA867]], [[george:source:IPBCCD867|IPBCCD867]]

<code - IPBNULL.mac.txt>
 4MY2    #MAC  IPBNULL   
 4NCL          LDN   0  #601 
 4NX=          ANDS  0  A1+IDSTATUS(%A)  
 4PBW          SMO      A1+BPTR(%A)  
 4PWG          STOZ     BPTR 
 4QB6          STOZ     A1+BPTR(%A)  
 4QTQ    #NOR
</code>