Table of contents

table

Chapter 1 Functions of VDP1

Table 1.1 Classification of parts

Table 1.2 Screen mode and display range

Chapter 2 Address Map

Table 2.1 System registers

Table 2.2 Table on VRAM

Chapter 4 System Register

Table 4.2 Screen mode

Table 4.3(a) Example of using frame buffer switching mode (VBE=0 fixed)

Table 4.3(b) Example of using frame buffer switching mode (using VBE)

Table 4.4 Number of rasters and number of pixels

Table 4.5 Number of pixels that can be used for V blank erase (non-interlaced)

Chapter 5 Table

Table 5.1 Character pattern table size

Table 5.2 Gouraud shading table

Table 5.3 Relationship between Gouraud shading table settings and correction values

Chapter 6 Command Table

Table 6.1 Commands

Table 6.2 Pixel data

Table 6.3 CMDCOLR

Table 6.4 Example of relationship between color bank, definition data, and drawing data

Table 6.5 Relationship between setting values and drawing pixels

Table 6.6 Correspondence between commands and CMDXA to CMDYD

Chapter 7 Commands

Table 7.1 Commands

figure

Chapter 1 Functions of VDP1

Figure 1.1 System configuration

Figure 1.2 Regular sprite

Figure 1.3 Rectangular sprite (2 coordinates specified)

Figure 1.4 Rectangular sprite (fixed point specified)

Figure 1.5 Transforming sprite

Figure 1.6 Hole filling process

Figure 1.7 Polygon

Figure 1.8 Polyline

Figure 1.9 Line

Figure 1.10 Bit configuration of color bank method

Chapter 2 Address Map

Figure 2.1 Address map

Figure 2.2 Frame buffer plane

Chapter 3 Process flow

Figure 3.1 Command table flow

Figure 3.2 Table reference

Chapter 4 System Register

Figure 4.1 Displaying single-dense and double-dense interlacing

Figure 4.2 Erase write area

Figure 4.3 Processing interruption and current processing table address

Chapter 5 Table

Figure 5.1 Example of character pattern table

Figure 5.2 Color lookup table

Figure 5.3 Table relationships in lookup table method

Figure 5.4 RGB code format

Figure 5.5 Command table

Chapter 6 Command Table

Figure 6.1 Zoom point

Figure 6.2 Drawing area

Figure 6.3 Zoom point and drawing area

Figure 6.4 Character read direction

Figure 6.5 High speed shrink

Figure 6.6 Pre-clipping

Figure 6.7 Drawing area

Figure 6.8 Mesh processing

Figure 6.9 Meshing of lines and polylines

Figure 6.10(a) End code processing (Part 1)

Figure 6.10(b) End code processing (Part 2)

Figure 6.11 Drawing example in modes 0 and 1

Figure 6.12 Drawing example for modes 2, 3, and 4

Figure 6.13 RGB code format

Figure 6.14 Mode 5 drawing example

Figure 6.15 Example of color operation

Figure 6.16 MSB on

Figure 6.17 Color bank

Figure 6.18 Color lookup table

Figure 6.19 CMDSIZE

Chapter 7 Commands

Figure 7.1 System clipping

Figure 7.2 User clipping settings

Figure 7.3 User clipping