Header Format; Parameter Format - Fujitsu MB86R02 Jade-D Hardware Manual

Graphics controller

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MB86R02 'Jade-D' Hardware Manual V1.64

Header format

The format of the display list header is shown below.

The parameter format of the geometry command depends on the value set in the D field of GMDR0.

When the D field is "00", all parameters are handled in the floating-point format. When the D field is

"01", colors are handled as the packed RGB format and others are handled as the fixed-point format.

When the D field is "11", XY is handled as the packed integer format, colors are handled as the

packed RGB format and others are handled as the fixed-point format.

In the following text, the floating-point format is suffixed by .float, the fixed point format is suffixed

by .fixed and the integer format is suffixed by .int. Set GMDR0 properly to match parameter

Rendering command parameters conform to the MB86R02 'Jade-D' data format.

Description of Each Field

Display list type

Count of data excluding header

Address value used at data transfer

Vertex number

Attribute flag peculiar to display list command

Vertex Number Specified in Vertex Code

Vertex number (Line)

Setting prohibited

Vertex number (Triangle)

Setting prohibited