1 files changed, 99 insertions, 0 deletions
diff --git a/sys/gio/nspp/portlib/optn.f b/sys/gio/nspp/portlib/optn.f
new file mode 100644
index 00000000..965356f1
--- /dev/null
+++ b/sys/gio/nspp/portlib/optn.f
@@ -0,0 +1,99 @@
+      subroutine optn (iopnam,iopval)
+      dimension       iopnam(1)      ,iopval(1)
+      dimension       ichar(3)
+      logical         skip
+      common /sysplt/ mmajx  ,mmajy  ,mminx  ,mminy  ,mxlab  ,mylab  ,
+     1                mflg   ,mtype  ,mxa    ,mya    ,mxb    ,myb    ,
+     2                mx     ,my     ,mtypex ,mtypey ,xxa    ,yya    ,
+     3                xxb    ,yyb    ,xxc    ,yyc    ,xxd    ,yyd    ,
+     4                xfactr ,yfactr ,xadd   ,yadd   ,xx     ,yy     ,
+     5                mfmtx(3)       ,mfmty(3)       ,mumx   ,mumy   ,
+     6                msizx  ,msizy  ,mxdec  ,mydec  ,mxor   ,mop(19),
+     7                mname(19)      ,mxold  ,myold  ,mxmax  ,mymax  ,
+     8                mxfac  ,myfac  ,modef  ,mf2er  ,mshftx ,mshfty ,
+     9                mmgrx  ,mmgry  ,mmnrx  ,mmnry  ,mfrend ,mfrlst ,
+     +                mcrout ,mpair1 ,mpair2 ,msblen ,mflcnt ,mjxmin ,
+     1                mjymin ,mjxmax ,mjymax ,mnxsto ,mnysto ,mxxsto ,
+     2                mxysto ,mprint ,msybuf(360)    ,mncpw  ,minst  ,
+     3                mbufa  ,mbuflu ,mfwa(12)       ,mlwa(12)       ,
+     4                mipair ,mbprs(16)      ,mbufl  ,munit  ,mbswap ,
+     5                small
+c
+      data ihigh,ilow/2hhi,2hlo/
+c
+c find index for input name
+c
+      do 101 i=1,9
+         iop = i
+         if (jlm2(iopnam) .eq. jlm2(mname(i))) go to 102
+  101 continue
+c
+      call uliber (0,36hounknown name in optn or getopt call,36)
+      call perror
+      return
+  102 continue
+      if (iop.ne.2 .and. iop.ne.9) iopv = iopval(1)
+c
+c     if character input for intensity, change to numeric
+c
+      if (iop .ne. 2) go to 105
+      jchar = jlm2(iopval)
+      if (jchar .ne. jlm2(ihigh)) go to 103
+      iopv = 204
+      go to 105
+  103 if (jchar .ne. jlm2(ilow)) go to 104
+      iopv = 127
+      go to 105
+  104 iopv = iopval(1)
+  105 continue
+c
+c     reset option if necessary
+c
+      if (iop .ne. 9) go to 107
+      skip = modef .eq. 0
+      do 106 i=1,3
+         call ncgchr (iopval,3,i,ichar(i))
+         call ncgchr (mop(iop),3,i,jchar)
+         skip = skip .and. (jchar .eq. ichar(i))
+         call ncpchr (mop(iop),3,i,ichar(i))
+  106 continue
+      if (skip) go to 109
+      nchar = 4
+      mbpair = 1*nchar+58112
+      mipair = mipair+1
+      mbprs(mipair) = mbpair
+      if (mipair .ge. 16) call flushb
+      mbpair = ior(ishift(iop,8),ichar(1))
+      mipair = mipair+1
+      mbprs(mipair) = mbpair
+      if (mipair .ge. 16) call flushb
+      mbpair = ior(ishift(ichar(2),8),ichar(3))
+      mipair = mipair+1
+      mbprs(mipair) = mbpair
+      if (mipair .ge. 16) call flushb
+      go to 109
+  107 continue
+      if (mop(iop).eq.iopv .and. modef.eq.0) go to 109
+      mop(iop) = iopv
+      nchar = 2
+      if (iop.eq.6 .or. iop.eq.3 .or. iop.eq.4 .or. iop.eq.7) nchar = 4
+      mbpair = 1*nchar+58112
+      mipair = mipair+1
+      mbprs(mipair) = mbpair
+      if (mipair .ge. 16) call flushb
+      if (nchar .eq. 4) go to 108
+      mbpair = ior(ishift(iand(iop,255),8),iand(iopv,255))
+      mipair = mipair+1
+      mbprs(mipair) = mbpair
+      if (mipair .ge. 16) call flushb
+      go to 109
+  108 mbpair = ishift(iop,8)
+      mipair = mipair+1
+      mbprs(mipair) = mbpair
+      if (mipair .ge. 16) call flushb
+      mbpair = iand(iopv,65535)
+      mipair = mipair+1
+      mbprs(mipair) = mbpair
+      if (mipair .ge. 16) call flushb
+  109 return
+      end