Author Topic: I need help wit the Prizm. I'm completely lost.  (Read 1179 times)

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Offline ralphdspam

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I need help wit the Prizm. I'm completely lost.
« on: March 20, 2013, 07:12:23 pm »
Hi, everyone.

I'm pretty confused about programming the Casio Prizm.  

I successfully compiled the Hello World test program, but I can't really do more than that.  I'm pretty much a noob at pointers in C.  

How exactly do I plot a pixel to the screen?  I know that vram is at 0xA8000000.  How do I make a pointer to it and copy a color
What is the format of the 16-bit colors?

Thank you so much for helping me.  :)

EDIT: Alright.  I managed to plot pixels on the screen.  Is there a way of disabling the annoying border?
« Last Edit: March 20, 2013, 09:15:31 pm by ralphdspam »
ld a, 0
ld a, a

Offline Juju

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Re: I need help wit the Prizm. I'm completely lost.
« Reply #1 on: March 21, 2013, 03:15:33 pm »
What is the format of the 16-bit colors?
5 bits red, 6 bits green and 5 bits blue.

EDIT: Alright.  I managed to plot pixels on the screen.  Is there a way of disabling the annoying border?
I think it's advanced coding or something. You might want to set it to black or the same as background color.

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Re: I need help wit the Prizm. I'm completely lost.
« Reply #2 on: March 24, 2013, 03:39:46 pm »
EDIT: Alright.  I managed to plot pixels on the screen.  Is there a way of disabling the annoying border?

Use directDrawRect. ;)



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