Logic Operations will combine the IR's using Logic like AND/OR etc.
These will work on Bit-Level.
Here is a Sample:
1. Making an Outline using Logic-Operations:
VAF.$$PIA=?exeloc\Pics\P3.jpg
NEF.$$PIA
MBX.No such file.
ENR.
EIF.
ANA.Load|0|$$PIA
ANA.Copy|0|1
ANA.bw|0|500
ANA.bw|1|100
ANA.Invert|0
ANA.Invert|1
GSB.Save|0
GSB.Save|1
ANA.Logic|2|0|1|A XOR NOT B
'ANA.Invert|2
GSB.Save|2
ENR.
'===========================================================
:Save
$$NUM=§§_01
RND.0|999999|$$RND
FMT.$$RND|000000
$$PAT=?exeloc\Pics\Save_$$RND.png
IEF.$$PAT
GTO.Save
EIF.
ANA.Save|$$NUM|$$PAT
ANA.Show|$$NUM!
RET.
'===========================================================