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− | [[image:315-5690_VDP2_01.jpg|thumb|VDP2 1st version.]] | + | #redirect [[sega:VDP2 32-bit background and scroll plane video display processor]] |
− | The VDP 2 serves as the [[Sega Saturn]]'s background processor. Certain special effects such as texture transparency and playfield rotation and scrolling (up to five fields at any given time) are handled here.
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− | Both the VDP2 and [[VDP1 32-bit video display processor]] have direct access to the both [[Hitachi SuperH2 7604 32-Bit RISC|SH2s]], as well as direct memory access (DMA) to both the main and video RAM.
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− | * Background engine
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− | * Four simultaneous scrolling backgrounds
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− | * Uses 8x8 or 16x16 tiles or bitmap display per background
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− | * Programmable memory access controller for VDP2 VRAM
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− | * Two simultaneous rotating playfields
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− | * VDP2 can rotate VDP1 framebuffer position while scanning out to display for rotation effects
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− | * Color RAM supports 15-bit (32768 colors) and 24-bit (16.7 million colors) display modes
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− | * Programmable priority at the per-background / per-tile / per-pixel levels
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− | * Background color tinting/fading, and transparency effects
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− | * Background blur effect (gradation) to simulate distance
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− | Programmable display resolution:
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− | * Horizontal sizes of 320, 352, 640, 704 pixels
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− | * Vertical sizes of 224, 240, 256 scanlines, non-interlaced
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− | * Vertical sizes of 448, 480, 512 scanlines, interlaced
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− | (Only PAL consoles support 256 and 512 scanline displays)
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− | * Hi-Vision ([[EDTV]]) and 31KHz (VGA) display support:
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− | * 31KHz: 320x480 or 640x480, non-interlaced (progressive scan)
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− | * Hi-Vision: 352x480 or 704x480, non-interlaced (progressive scan)
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− | (Requires compatible monitor and video cable)
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− | [[Category:Saturn Hardware]]
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