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VDP1 User's Manual

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[Number]

31KC

[English]

CMDCOLR
CMDCTRL
CMDGRDA
CMDLINK
CMDPMOD
CMDSIZE
CMDSRCA
CMDXA to CMDYD
CPU
DMA burst transfer
HDTV
LINK specification
MSB on
NTSC method
PAL method
RGB code
RGB mode
TV mode selection bit
TV mode selection register
VDP1
VDP1 features
VDP2
VRAM
V blank erase write enable bit

[A line]

Address map
Access (system register)
Fill-in processing
1-cycle mode
Erase (Manual mode)
Erase & Change (Manual Mode)
Erase Light
Color calculation
Interlace mode
Window (MSB on)
Inner drawing mode
End code disabled
End bit

[ka line]

Screen mode
Color (color)
Color control word
(Color) palette code
Color Bank
Color bank code
Color mode
Color lookup table
(Color) lookup table mode
Odd line
Pseudo drawing continuation
Luminance (RGB)
Luminance (Gouraud shading)
Character address
Character size
Character pattern
Character pattern (for each color mode)
Character pattern table
Character reading direction
Rectangle Sprite
Rectangle sprite drawing command
Select even / odd coordinates
Even number line
Gouraud shading
Gouraud shading table
Clipping coordinate setting command
Current processing table address (register) / A>
Command
Command table
Command table flow
Control word

[Sa line]

Subroutine (jump call, skip, call)
Coordinate setting command
Specify two coordinates (rectangular sprite)
Specify two coordinates (rectangular sprite drawing command)
Flip horizontally
Reference (table)
Syscon
System register
System clipping
System clipping coordinate setting command
Underlay
Shadow (MSB on)
Shadow (color operation)
Jump format
Jump assignment
Jump call
Jump Next
Jump return
Upside down
Processing suspension table address (register)
Zoom point
Skip assignment
Skip call
Skip next
Skip return
Relative coordinates
Relative coordinate setting command
Outside drawing mode

[Ta line]

Single density interlace
Change (manual mode)
Vertex coordinate data
Standard Sprite
Standard sprite drawing command
Display device
Table (on VRAM)
Table reference
Texture parts
Texture drawing command
Transfer over
Transfer end status register
Transparent color code
Transparent pixel disabled
Trigger (plot)

[Na Line]

Flow (command table)
Flow (drawing procedure)
Fill (Polygon)
Non-textured color
Non-textured parts
Non-texture drawing command

[Wa]

Version number
Burst transfer (DMA)
Parts
Byte access (VRAM)
High speed shrink
Double dense interlacing
Double dense interlace enable bit
Double dense interlace drawing line
High res
Boundary
Pallet code
Half brightness
Flip (left / right, up / down)
Translucent
Drawing forced termination register
Draw command
Drawing end command
Drawing procedure flow
Drawing mode word
Display range
Fill data (erase light)
Fetch
Fetch status (end bit)
Fixed point (zoom point)
Specify fixed point (rectangular sprite)
Fixed point specification (rectangular sprite drawing command)
Pre-clipping
Frame
Frame buffer
Frame buffer switching trigger bit
Frame buffer switching mode bit
Frame buffer switching mode register
Plot trigger mode
Plot trigger register
Deformed sprite
Deformed sprite drawing command
Polling
Polygon
Polygon drawing command
Polyline
Polyline drawing command

【MA Line】

Manual mode
Disabled (end code)
Disabled (transparent pixel)
Disabled (pre-clipping)
Mesh enabled
Mode 0 (color mode)
Mode 1 (Color mode)
Mode 2 (Color mode)
Mode 3 (Color mode)
Mode 4 (Color mode)
Mode 5 (Color mode)
Mode status register
Original picture

[Ya]

User clipping
User clipping coordinate setting command
User clipping mode
User clipping enabled
Priority (VRAM)
Priority (frame buffer)
Reading direction (character)

[La line]

Line
Line drawing command
Read / write access (VRAM)
Reset
Replace
Lookup table mode
Register (System)

[Wa]

Word access (VRAM)
Interrupt signal


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