VDP: Difference between revisions
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=Features= | =Features= | ||
[[ | [[VDP_DMA|DMA]] | ||
[[VDP_Int|Interrupts]] | |||
[[ | [[VDP_Interlace|Interlace mode]] | ||
[[VDP_Palette|Palettes]] | [[VDP_Palette|Palettes]] | ||
[[ | [[VDP_Pattern|Pattern]] | ||
[[ | [[VDP_Ports|Ports]] | ||
[[ | [[VDP_Priority|Priority]] | ||
[[ | [[VDP_Registers|Registers]] | ||
[[ | [[VDP_Scrolling|Scrolling]] | ||
[[ | [[VDP_Scrolls|Scrolls]] | ||
[[ | [[VDP_Sprites|Sprites]] | ||
[[ | [[VDP_Window|Window]] | ||
[[Category:Video_system]] | [[Category:Video_system]] | ||
Latest revision as of 11:19, 3 April 2012
Description
The VDP (Video Display Processor, 315-5113) is the video processor of the MegaDrive.
It's an evolution of the Master System VDP (which is an evolution of the TMS9918a video chip, see [1] for information about the Master System VDP).
It is backward compatible with the Master System one (MODE IV) but this section will only talk about the MODE V (MegaDrive mode).
Display Specification
The VDP think by CELL (a 8x8 pixel pattern).
It can output a 32x28 CELL image (256x224 pixels) or an 40x28 (320x224 pixels) one.
In PAL mode it can also output an 32x30 (256x240 pixels) or 40x30 (320x240 pixels) image.