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VDP1 User's Manual
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Introduction
Explanation of words
Documentation conventions
Chapter 1 Functions of VDP1
1.1 VDP1
System configuration
VDP1 function
Parts
Texture parts
Non-textured parts
Color
1.2 Screen mode
Screen mode and display range
Read frame buffer rotation
Chapter 2 Address Map
2.1 Address map
VRAM
Frame buffer
System register
2.2 Table on VRAM
Command table
Color Lookup Table
Gouraud shading table
Character pattern table
Chapter 3 Process Flow
Drawing procedure flow
Command table flow
Table reference
Chapter 4 System Register
4.1 TV mode selection register
4.2 Frame buffer switching mode register
4.3 Plot trigger register
4.4 Erase Light
Erase Write Data Register
Erase light upper left coordinate register
Erase Light Lower Right Coordinate Register
4.5 Drawing forced end register
4.6 Transfer end status register
4.7 Processing suspension table address register
4.8 Current processing table address register
4.9 Mode Status Register
Chapter 5 Table
5.1 Character pattern table
5.2 Color Lookup Table
5.3 Gouraud Shading Table
5.4 Command Table
Chapter 6 Command Table
6.1 CMDCTRL (control word)
Command
Jump format
Zoom Point
Character reading direction
6.2 CMDLINK (LINK specification)
6.3 CMDPMOD (drawing mode word)
MSB ON
High Speed Shrink
Pre-clipping disabled
User clipping enabled
User clipping mode
Mesh enabled
End code invalid
Transparent pixel disabled
Color mode
Color calculation
6.4 CMDCOLR (color control word)
Color Bank
Color Lookup Table
Non-textured color
6.5 CMDSRCA (character address)
6.6 CMDSIZE (character size)
6.7 CMDXA to CMDYD (vertex coordinate data)
6.8 CMDGRDA (Gouraud Shading Table)
Chapter 7 Commands
7.1 System clipping coordinate setting command
System Clipping
7.2 User clipping coordinate setting command
User clipping
7.3 Relative coordinate setting command
relative coordinates
7.4 Standard Sprite Drawing Command
7.5 Rectangle Sprite Drawing Command
Specify two coordinates
Fixed point specification
7.6 Deformed sprite drawing command
7.7 Polygon drawing command
7.8 Polyline drawing command
7.9 Line drawing command
7.10 Drawing end command
Chapter 8 Quick Reference
8.1 System Register
8.2 Table
8.3 Command table
8.4 Command
Chapter 9 Precautions
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