Copy pc86 platform to nes platform, and make change accordingly.

plat/nes/libsys/pmfile

@@ -0,0 +1,31 @@
+-- $Source$
+-- $State$
+-- $Revision$
+
+local d = ROOTDIR.."plat/nes/libsys/"
+
+libsys_nes = acklibrary {
+	ACKBUILDFLAGS = {PARENT, "-ansi"},
+	ACKINCLUDES = {"%BINDIR%include"},
+	
+--	ackfile (d.."errno.s"),
+--	ackfile (d.."_hol0.s"),
+--	ackfile (d.."_sys_rawread.s"),
+--	ackfile (d.."_sys_rawwrite.s"),
+--	ackfile (d.."open.c"),
+--	ackfile (d.."creat.c"),
+--	ackfile (d.."close.c"),
+--	ackfile (d.."read.c"),
+--	ackfile (d.."write.c"),
+--	ackfile (d.."brk.c"),
+--	ackfile (d.."getpid.c"),
+--	ackfile (d.."kill.c"),
+--	ackfile (d.."isatty.c"),
+--	ackfile (d.."lseek.c"),
+--	ackfile (d.."time.c"),
+--	ackfile (d.."signal.c"),
+
+	ackfile (d.."hello.c"),
+	
+	install = pm.install("%BINDIR%lib/%PLATFORM%/libsys.a"),
+}