Fast writing to a screen buffer

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JBR
 #1
For skidracer,

Lets say I'm doing a starfield with stars all over the screen. Would it be best to do LockedPixels to return the bank address. Is this just like the start of an array, the array being the hidden screen?

Then use PokeShort( bank, offset ) for each star. (16bits).

Not sure about CopyBank. For general sprites would the normal sprite plotting commands be fastest?

Thanks
Marg