跟猴子比丟屎

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No, Google Translate will not render that title as anything worthwhile. It’s a line from Firefly.
Anyway, the fine folks at the Internet Archive recently surfaced a ton of materials relating to the China Educational Computer I, or CEC-I. The CEC-I was an almost chip-for-chip clone of the Apple //e (including the MMU and IOC custom chips), but the aux side is devoted to a bunch of new ROM containing Chinese fonts, a built-in LOGO interpreter, and who knows what else (there’s 384K of extra ROM in this thing compared to a real //e).
There are two dumped versions of the firmware. Version 1.1 has $8D as the ID byte at $FBB3; this doesn’t match any real Apple, and so e.g. ProDOS refuses to work (even our modern enlightened John Brooks versions). Version 1.21 changes the ID bytes to perfectly match an Apple II Plus and so all versions of ProDOS work. Programmatically, while the extra switches of a //e exist, they’ll do things you don’t expect (RAMRD will page in ROM at $4000, which probably isn’t what you were expecting, and the lack of auxram means double-anything modes aren’t happening). So treat the machine as a 64K II Plus and everything will go well for you (it plays 64K II Plus games fine).
Even in the firmware version that IDs as a II Plus, other ROM contents can and do vary. Zellyn and qkumba’s Apple II Audit disk fails because of this.
MAME will have full support for this unique bit of history very soon.