Hummer unit #1 flash ROM map
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$000000-00FFFF C64 Sytem (reserved)
$010000-010FFF Directory file
$011000-011BD8 Flash
$012C00-012CB6 DIR
$012D00-01512F DirEdit
$015200-0185FF Montezuma's Revenge
$018600-01EXXX Satan's Hollow
$01F000-01F3FF Kwik Load
$020000-0277FF Spell of Destruction
$027800-1F7FFF Open Flash
$1F8000-1FBFFF DTVBoot/DTVMON
$1FC000-1FDFFF Open Flash
$1FE000-1FFFFF Jiffy DOS Kernal option