diff --git a/plrs.f90 b/plrs.f90
index c46dd254f..63ce564aa 100644
--- a/plrs.f90
+++ b/plrs.f90
@@ -15,24 +15,26 @@ program plrs
   integer fd
   integer open,read,close
   integer nm(11)
-  character*8 fname,arg
-  logical fast
+  character*8 fname,arg,cjunk*1
+  logical fast,pause
   real*8 center_freq,dmsec,dtmspacket,tmsec
   common/plrscom/center_freq,msec2,fsample,iptr,nblock,userx_no,iusb,buf8(174)
 !                     8        4      4      4    2       1       1    1392
   data nm/45,46,48,50,52,54,55,56,57,58,59/
-  data nblock/0/,fast/.false./
+  data nblock/0/,fast/.false./,pause/.false./
 
   nargs=iargc()
-  if(nargs.ne.1 .and. nargs.ne.2) then
-     print*,'Usage: plrs [-f] <iters>'
+  if(nargs.ne.3) then
+     print*,'Usage: plrs <fast|pause|slow> <minutes> <iters>'
      go to 999
   endif
+
   call getarg(1,arg)
-  if(arg(1:2).eq.'-f') then
-     fast=.true.
-     call getarg(2,arg)
-  endif
+  if(arg(1:1).eq.'f' .or. arg(1:1).eq.'p') fast=.true.
+  if(arg(1:1).eq.'p') pause=.true.
+  call getarg(2,arg)
+  read(arg,*) nfiles
+  call getarg(3,arg)
   read(arg,*) iters
 
   fname="all.tf2"//char(0)
@@ -50,7 +52,7 @@ program plrs
      dmsec=-dtmspacket
      nsec0=time()
 
-     do ifile=1,11
+     do ifile=1,nfiles
         print*,'Reading file',ifile
         ns0=0
         tmsec=1000*(3600*7 + 60*nm(ifile))-dtmspacket
@@ -85,6 +87,10 @@ program plrs
 1010       format('npkt:',i10,'   ns:',i6,'   t:',f10.3,'   nwait:',i8)
            ns0=ns
         enddo
+        if(pause) then
+           print*,'Type anything to continue:'
+           read(*,*) cjunk
+        endif
      enddo
      i=close(fd)
   enddo
diff --git a/pulsar.f90 b/pulsar.f90
new file mode 100644
index 000000000..a19be7d45
--- /dev/null
+++ b/pulsar.f90
@@ -0,0 +1,50 @@
+program pulsar
+
+!  Receives timf2 data from Linrad and saves it for pulsar processing.
+
+  parameter (NSPP=174)
+  logical first
+  integer*1 userx_no,iusb
+  integer*2 id
+  integer*2 nblock,nblock0
+  integer*2 id2(1000)
+  real*8 center_freq
+  common/plrscom/center_freq,msec,fselect,iptr,nblock,userx_no,iusb,id(4,NSPP)
+!                     8        4     4      4    2       1       1    1392
+  data first/.true./,nblock0/0/,sqave/0.0/,u/0.001/
+  save
+
+  call setup_rsocket
+
+  k=0
+
+10 call recv_pkt(center_freq)
+  lost=nblock-nblock0-1
+  if(lost.ne.0 .and. .not.first) print*,'Lost packets:',lost,nblock,nblock0
+  nblock0=nblock
+
+  sq=0.
+  do i=1,NSPP
+     sq=sq + float(id(1,i))**2 + float(id(2,i))**2 +                      &
+          float(id(3,i))**2 + float(id(4,i))**2
+  enddo
+  sqave=sqave + u*(sq-sqave)
+  rxnoise=10.0*log10(sqave) - 48.0
+
+  k=k+1
+  id2(k)=0.001*sq
+  if(k.eq.1000) then
+     write(*,1000) center_freq,0.001*msec,sqave,rxnoise,id2(1)
+     write(13,1000) center_freq,0.001*msec,sqave,rxnoise,id2(1)
+1000 format(f7.3,f11.3,f10.0,f8.2,i8)
+     write(12) center_freq,msec1,id2
+     call flush(12)
+     call flush(13)
+     k=0
+  endif
+
+  go to 10
+
+end program pulsar
+
+! To compile: % gfortran -o pulsar pulsar.f90 plrr_subs.c