Original gameboy games in colour??

[Guest craigblade]

On the gameboy colour it is possible to play original black and white gameboy games and it adds colour to them (not amazingly, but it's better than just black and white). Just wondering if there's an SPV gameboy emulator that would do the same? I have the Gnuboy latest version but it doesn't seem to add any colour on.

craig

[Guest spacemonkey]

Got any info on this colorisation? Website or something? Does it colorise all games or just some specific ones? etc...

If you can find me some info on how it does this I may consider adding it...

[Guest craigblade]

Cheers for your reply spacemonkey - I meant the actual consoles (gameboy colour & gameboy advance) turns black and white original games into colour, although I think some PC-gameboy emulators do the job too. The following websites have a few details of what I mean:

http://consoledatabase.retrofaction.com/co...dogameboycolor/

http://www.millstone.demon.co.uk/download/...avaboy/faqs.htm

http://www.ps2modchip.com/flash/gbc.htm

Do you think it would be possible to add such a feature onto a future version of gnuboy?

craig

[Guest craigblade]

Also, the gameboy colour console does colourise ALL black and white gameboy games (only with about 5-10 colours, but it's better than nothing)

craig

[Guest spacemonkey]

Ah, now I get what this is about, basically grey scale games have 4 shades of grey and additionally 4 types of graphics... the colorisation is based on applying colours to each of these 16 things... Looking in the main gnuboy project homepage I found this:

DMG PALETTE SELECTION

gnuboy allows you to set the palette used for grayscale when running

DMG (original mono Gameboy) roms. There are four variables for this

purpose, allowing the background, window, and both sprite palettes to

be colored differently. Each one is made up of four numbers, the color

to use for each shade of gray, from lightest to darkest. Colors are

represented as 24bit numbers, with red in the low (rightmost) places

and blue in the upper (leftmost) places. Although you could specify

colors in decimal (base 10) if you really wanted, they'd be very

difficult to read, so it's preferable to use hex (base 16).

For example, to set the background to shades of white, the window to

shades of red, and the sprite palettes to shades of green and blue,

you could use:

  set dmg_bgp  0xffffff 0xaaaaaa 0x555555 0x000000

  set dmg_wndp 0x0000ff 0x0000aa 0x000055 0x000000

  set dmg_obp0 0x00ff00 0x00aa00 0x005500 0x000000

  set dmg_obp1 0xff0000 0xaa0000 0x550000 0x000000

This will of course look rather ugly, but it does the job illustrating

how you set various colors.

For more extensive examples, see the sample file palette.rc included

with gnuboy, which provides a number of sample palettes to try.

So I imagine the functionality will already be in my port, I'll just need to add some menus and colour schemes. This isn't the top of my priority list but I'll have a look some time.