Tune buffer sizes so 64K machine can optimize

src/toolsrc/codegen.pla

@@ -484,7 +484,7 @@ def init_idglobal#0
     if isult(heapavail, $8000)
         tag_num     = TAGNUM/2
         fixup_num   = FIXUPNUM/2
-        globalbufsz = IDGLOBALSZ/2
+        globalbufsz = IDGLOBALSZ
         localbufsz  = IDLOCALSZ/2
     fin
     tag_addr     = heapalloc(tag_num*2)

src/toolsrc/plasm.pla

@@ -418,10 +418,8 @@ if ^arg and ^(arg + 1) == '-'
             //
             // Load optimizer module here
             //
-            if MACHID & $30 == $30
-                if cmdsys:modexec("CODEOPT") >= 0
-                    outflags = outflags | OPTIMIZE
-                fin
+            if cmdsys:modexec("CODEOPT") >= 0
+                outflags = outflags | OPTIMIZE
             fin
             if not (outflags & OPTIMIZE)
                 puts("\nOptimizer disabled\n")