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Development - VDP commands

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VDP commands

DarQ
msx professional
Mensajes: 844
Publicado: Agosto 16 2005, 15:52   
Hey,

Recently i was coding something and while i was busy, i modified and modified it even more. the most important part of the program isnt even finished yet but still i want to modify less important things..

since my intention is not to finish the program in a short time, i can do whatever i want

so, now i want to make my menu `function` a bit better. Instead of choosing menuitems with a press on 1...5, i want to be able to use my cursors to scroll up and down through the menu list.

a scrollbar in basic like the ones being used in mbwave and stuff.

now, i did it before in basic, but now im only using an emulator and didn't copy any files so i have no idea anymore on how i did it!

google wasn't very helpful either after 30 minutes searching. quess i was still using the wrong keywords?

anyway, can someone give me something to start with?

- which vdp registers/bits to set to get an rectangle with a certain color
- which command to enable/disable the colorbars on the screen

all in screen 0

well, i haven't got any more questions for now, maybe later

many thanks!
chaos
msx addict
Mensajes: 276
Publicado: Agosto 16 2005, 16:11   
DarQ
msx professional
Mensajes: 844
Publicado: Agosto 16 2005, 16:13   
super! i did a quick peek on the page and i think you have just helped my out

thnx !
chaos
msx addict
Mensajes: 276
Publicado: Agosto 16 2005, 16:17   
you're welcome
(MILC and MAP are your friend!)
DarQ
msx professional
Mensajes: 844
Publicado: Agosto 16 2005, 16:20   
i tried map too. but it was a bit confusing. didnt really know where to start by just reading the technical docs of the vdp.


BiFi
msx guru
Mensajes: 3142
Publicado: Agosto 17 2005, 18:19   
Although MiLC is (almost) completely filled with Dutch articles, it contains some very useful ones indeed.
DarQ
msx professional
Mensajes: 844
Publicado: Agosto 17 2005, 18:45   
im glad i can read dutch as well
 
 







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