Thread: 68k details
View Single Post
Old 31 October 2018, 13:18   #599
plasmab's Avatar
Join Date: Sep 2016
Location: UK
Posts: 2,917
Originally Posted by grond View Post
If the CPU does the scrolling, you need the required mem bandwidth to a) read the screen data, b) write it back and then c) read it through video DMA. If the video hardware can scroll by itself, you only need c). Three times less memory impact, I still think the Amiga way is quite clever.

You still need a write the buffer in the first place though. You do the shift as you create the scene. You don’t render, read, shift, write. Like I say... if you use your brain up front the result is the same.

The Amiga way just means you don’t have to think.
plasmab is offline  
Page generated in 0.04100 seconds with 11 queries