expand bios collection, retrobat at 93% coverage

bios/Arcade/MAME/plugins/data/data_sysinfo.lua

@@ -0,0 +1,27 @@
+local dat = {}
+
+local ver, info
+local datread = require('data/load_dat')
+datread, ver = datread.open('sysinfo.dat', '# This file was generated on')
+
+function dat.check(set, softlist)
+	if softlist or not datread then
+		return nil
+	end
+	local status
+	status, info = pcall(datread, 'bio', 'info', set)
+	if not status or not info then
+		return nil
+	end
+	return _p('plugin-data', 'Sysinfo')
+end
+
+function dat.get()
+	return info
+end
+
+function dat.ver()
+	return ver
+end
+
+return dat