Re: LF: How do you make a Greyscale picture program?


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Re: LF: How do you make a Greyscale picture program?



At 07:12 PM 12/4/96 -0800, you wrote:
>At 01:52 PM 12/2/96 +0100, you wrote:
>>
>>What greyscale means on the TI is that you have two bitplanes that
>>are swapped at each VBL interrupt. This is only possible because it is a
>>slow display. You simply have to bitplanes. And where you want a black
>>pixel you set both bitplanes to 1 and where you want a grey pixel you set
>>only on of the bitplanes to 1.
>>					Michael Wulff Nielsen
>>					mal@dit.ou.dk
>
>would it be possible to use the same concept to make a 3 level greyscape?
>maybe even more levels? 
>
>
>//                            regul^tor||Brad||KB8MNS
>
>
>
The only way that you could make more than 2 bitplanes is to change the
contrast and display one plane, change it again and display another etc.
This would probably cause a mojor flicker problem though!