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[[Image:Black tiger screenshot.png|thumb|left|Black Tiger (Amstrad) ]]is quite infamous for being one of the laziest speccy port.
*Graphics : the Amstrad version use unmodified Graphic Data.
The Sprites and tiles are stored in RAM in 1bit per pixel, sprites are also masked in 1 bit per pixel. the 1bpp data is then turned into Mode1 2bit per pixel when they are to be displayed into the Video RAM area. Which is somewhat CPU intensive.
==What If ?==
*As the sprites are 1bpp + 1bpp mask , this means that if properly recoded in 2bpp they use the exact same amount of DATA in RAM, but could then be in 3 colours, the 4th colour being used as a mask, s as used in super wonderboy (this is not shown on mock up)
*Also it may be possible to apply some king kind of "attribute colour " on the tiles so the Bacjground Background and Foregroundtiles, while still being 1bpp/2 colours... could you may be say... 2 different colours able to set the ink (other than black) into one of the 3 other inks (from the Mode1 palette) as shown)on the Map Mockup.
*then Then get rid of Rasters interrupts/palette changeto gain some CPU or even free the minimal RAM needed by such routine..
There, you have a better version than the speccy one.
==Lazy port ?==
It is also worth noting that the Disk version actually uses multiloads as it seems to reload data between each levels. So it would seem that the Amstrad version is just a lazy, hurried port.
Such a shame for what used to be one of the best Arcade Game of 1987.