On 2018-05-11 15:01, Andreas Kohlbach : bradleyjbell{at}comcast.net wrote:
> On Thu, 10 May 2018 22:15:28 -0700 (PDT), bradleyjbell{at}comcast.net wrote:
>>
>> On Sunday, January 16, 2011 at 7:51:33 AM UTC-6, Lloyd Hearsewave wrote:
>>> I don't understand why people are still using crappy doorstoppers
>>> like the
>>> Sinclair Spectrum and ugly black and white heaps of trash like the
>>> ATARI 800
>>> XL.
>>>
>>> Both of these computers failed in the 80s and look at the graphics of
>>> the
>>> Spectrum - ugly, monochrome, no scrolling and no sprites.
>>>
>>> The ATARI has only 3 ugly colors, ugly sprites and bad scrolling. 99% of
>>> ATARI games are crap.
>>>
>>> All the games are MUCH superior on the C64 and the C64 truly is the
>>> king of
>>> home computers!
>>>
>>> So please throw away your ATARIs and Spectrums and buy a C64 on ebay!
>>
>> The Atari 800 and C64 had sprites. Gee, I wonder where Commadore got
>> the idea for sprites? Anyway, the C64 had many improvements over the
>> Atari sprites give the 3+ years they had to develop them.
>
> True.

In the end, sprites was a dead end. After amiga, there was almost no use
of sprites apart from the mousepointer at all, it was all done
differently using the GPU in a BOB-like way from 1995-ish onward.

>> But tell us all about the C64 graphic modes. Can you easily mix them?
>> Did you have re definable character sets?
>
> AFAIK you cannot mix graphic modes on the Commodore 64. But you could
> edit the character set.

Well, raster interrupts allow you to do it, which almost all games and
demos do (did).

>> How well did the C64's scrolling worked? I've seen many games where I
> would say "Not to good"
>
> I think it used a kind of frame bugger. There was a routine to scroll 7
> or 8 bits. In the meantime you could prepare a new bitmap and switch to
> that after the bit scroll.

Yes.

>> The 400/800's 6502B ran at 1.8mhs, the C64? Oh yeah 1.0
>
> If the hardware ("GPU") was superior that didn't really matter.

--- Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thund