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* relocatable output code
* easy access to the optional [floating-point processor](http://dustyoldcomputers.com/pdp12/fpp12.html)
The RALF assembler has a mode switch that causes it to generate absolute-addressed code, as PAL8 does. In this mode, it is called FLAP.
The FPP modes are the key advantage of RALF/FLAP. Vincent Slygnstad [suggests][smal8] that you think of these as assemblers for the FPP rather than for the PDP-8.
The FPP modes are the key advantage of RALF/FLAP. Vincent Slyngstad [suggests][smal8] that you think of these as assemblers for the FPP rather than for the PDP-8.
**INCOMPLETE**
### <a id="sabr"></a>SABR
As RALF is to OS/8's FORTRAN IV compiler, so [SABR](http://homepage.cs.uiowa.edu/~jones/pdp8/faqs/#langs) is to OS/8's FORTRAN II compiler.
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