Am 02.12.2016 um 04:29 schrieb Cousin Ricky:
> On 2016-12-01 10:57 PM (-4), clipka wrote:
>> Am 02.12.2016 um 02:03 schrieb Alain:

>>>> Apple II: 280 x 192 (effective color resolution 140 x 192), 6 colors
>>>
>>> It have two graphic modes, low res and high res.
>>> You describe the hires mode.
>>> Low res is 40 x 48 in 16 colours.
>>
>> Sounds like an abused text mode to me (40x24 characters, using 2-block
>> graphic characters and per-character foreground/background colours).
> 
> That's effectively what it was, although I can't remember if that was
> literally the case.  Either way, it was handled transparently by the
> graphics commands.
> 
> The original Apple II used a 6 bit ASCII subset, so there was plenty of
> room to play around with the extra bits.  The Apple IIe used the full 7
> bit ASCII set, but I'm less familiar with that model.

Ah, that brings memories to life!

Such as flipping a hardware switch to change the character set from
German to ASCII when writing program code, and later flipping back to
German when running the program.

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