Fujitsu MB86R02 Jade-D Hardware Manual page 556

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MB86R02 'Jade-D' Hardware Manual V1.64

BltCopyAltAlphaBlendP (Format5)

BltCopyAlternateP

The BltCopyAltAlphaBlendP command performs alpha blending for the source (specified using

SADDR, SStride, SRXs, SRXy) and the alpha map (specified using ABR (alpha base address),

BlendStride, BlendRXs, BlendRYs) and then copies the result of the alpha blending to the

destination (specified using FBR (frame buffer base address), XRES (X resolution), DRXs and

Please set XRES(X resolution) to in 8 byte units when using this command. And please set SStride

and BlendStride to in 8 byte units.

The actual address of a source address for VRAM is calculated by adding the segment address of

FBR to SADDR.

Set 0000_0000 to maintain future compatibility.