NES: identify and deal with NES roms that require NES2.0 headers

[tjanas]

One example:

I suspect the following may require NES2.0 (it has a mapper number above 255): Idemitsu - Space College - Kikenbutsu no Yasashii Butsuri to Kagaku (Japan)

<game><!-- Licensed Japan\Konami Q-Ta\出光 Space College꞉ 危険物のやさしい物理と化学.nes -->
	<prgrom size="655360" crc32="3CBB1F58" sha1="53DE39A99C17567BA26B2484BF0D899BC94FD0A2" sum16="675B" />
	<chrrom size="131072" crc32="E7FDA756" sha1="AEB5055E84954E9383A67BD563FC7561AF1948FD" sum16="0585" />
	<rom size="786432" crc32="58288940" sha1="89C2C02FAFD44F629E18A136652C1585A104E8A8" />
	<prgram size="8192" />
	<prgnvram size="8192" />
	<chrram size="8192" />
	<pcb mapper="547" submapper="0" mirroring="H" battery="1" />
	<console type="0" region="0" />
	<expansion type="1" />
</game>
<game><!-- Bad Dumps\出光 Space College꞉ 危険物のやさしい物理と化学 [CHR overdump].nes -->
	<prgrom size="655360" crc32="3CBB1F58" sha1="53DE39A99C17567BA26B2484BF0D899BC94FD0A2" sum16="675B" />
	<chrrom size="262144" crc32="59C8B20B" sha1="85CF6ED43CB9554F4E4E960E151E09E04F1AADD8" sum16="0585" />
	<rom size="917504" crc32="6DF38548" sha1="F512CFE4880CEC8973850B930BB0855C42B04DEC" />
	<prgram size="8192" />
	<prgnvram size="8192" />
	<chrram size="8192" />
	<pcb mapper="547" submapper="0" mirroring="H" battery="1" />
	<console type="0" region="0" />
	<expansion type="1" />
</game>

Another example: Caltron - 9 in 1 (USA) (Proto) (Unl)

<game><!-- Unreleased\Caltron 9-in-1.nes -->
	<prgrom size="524288" crc32="443FAFC4" sha1="99457C111178CC398444324712F18BE0DD081ACC" sum16="81E4" />
	<chrrom size="262144" crc32="D75FBA82" sha1="79407B0A88A3E86875C26F6C6B8911EA237A945D" sum16="5754" />
	<rom size="786432" crc32="C4B94BD5" sha1="CD860E07241BDAA9C7CFB00BBDFF7F199BE4C725" />
	<pcb mapper="389" submapper="0" mirroring="H" battery="0" />
	<console type="0" region="0" />
	<expansion type="42" />
</game>

NHK Gakuen - Space School - Sansu 5 Nen (Jou) (Japan) NHK Gakuen - Space School - Sansu 6 Nen (Ge) (Japan) NHK Gakuen - Space School - Sansu 6 Nen (Jou) (Japan)

[tjanas]

Related to above: recent hack of Caltron 9-in-1 that uses MMC5 to be able to run on flashcarts.