[Coco] When Mario takes the wrong pipe

Luis Antoniosi (CoCoDemus) retrocanada76 at gmail.com
Wed Oct 16 11:35:53 EDT 2013


if you save in single bit monochrome .bmp without RLE and remove the
headers what is left is the coco bitmap. Just concatenate a 5 byte header
and trailer for binary load and there you go.


On Wed, Oct 16, 2013 at 11:30 AM, Chris Osborn <fozztexx at fozztexx.com>wrote:

> Yah but stretching it is very easy. Much easier than writing an entire
> editing program! It was easy to hack together a quick&dirty program to read
> in a .png and output the bytes for the screen and then send the bytes over
> serial and load the bytes into the video RAM.
>
> On Oct 16, 2013, at 8:16 AM, Luis Antoniosi (CoCoDemus) wrote:
>
> > but the 4 color mode has a wider pixel, you need to shrink the width in
> > half, convert to 4 colors and stretch again using non linear algoritm.
> And
> > then you have to convert it to coco bitmap mode.
> >
> > On Wed, Oct 16, 2013 at 11:11 AM, Chris Osborn <fozztexx at fozztexx.com
> >wrote:
> >
> >> I just pull pictures into photoshop and switch to indexed color mode and
> >> give it a custom palette which has the limited colors of the computer I
> >> want to display on.
>
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-- 
Long live the CoCo



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