SAGA_VIDEO_PLANEPTR register

Overview

Change the current SAGA Video Plane Pointer (FrameBuffer address).


Name

  • SAGA_VIDEO_PLANEPTR

Address

  • 0xDFF1EC

Access

  • Write-Only

Size

  • 32-bits

Description

The FrameBuffer address can be any address from the public FastRAM, using:

FrameBufferSize   = (HPIXEL * VPIXEL * BytesPerPixel);
FrameBufferMemory = Exec->AllocMem(FrameBufferSize, MEMF_REVERSE|MEMF_LOCAL|MEMF_FAST);

The memory area is Readable and Writable to allow immediate drawing on screen.

It is safe to change the FrameBuffer address at any time for use with a DoubleBuffer or TripleBuffer routine.


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Last modified: le 2020/08/02 12:37