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avatar_Fran123

crtc info

Started by Fran123, 19:37, 15 April 24

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Fran123

Hello,

I am trying to understand the crtc and the information it handles to try to emulate the generation of the image.

I think it would be very helpful for me to understand the meaning of the VCC, VLC, R52, VSC, HDC, HCC, VTAC, HCC, HSC, VMA, VDUR, MODE and ICSR fields




Thank you!

McArti0

CPC 6128, Whole 6128 and Only 6128, with .....
NewPAL v3 for use all 128kB RAM by CRTC as VRAM
TYPICAL :) TV Funai 22FL532/10 with VGA-RGB-in.

Fran123

a great document!

now I have to implement the raster, and I'm not sure how to represent when the synchronism is not correct.

Fran123

hello

See if you can help...
Under what conditions does HDC not increase and take a negative value? How is that negative value calculated?

thank you

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