Drawing Command Parameter Specifications - Hitachi HD64411 Q2 User Manual

Quick 2d graphics renderer
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B . 3

Drawing Command Parameter Specifications

POLYGON4 Commands
15
15
15
15
SOURCE ADDRESS L
15
Sign extension
15
15
COLOR1 or COLOR
15
COLOR0
15
COLOR1 or COLOR
TXS or TYS
TDX or TDY
SOURCE ADDRESS H
DXn or DYn
COLOR0
COLOR0
COLOR1 or COLOR
: Fixed at 0
0
Source starting points TXS, TYS
Given as unsigned max. 10-bit data.
Specify correctly according to source area size.
0
Source size TDX, TDY
Given as unsigned max. 10-bit data.
TDX can only be set in 8-pixel units.
0
1-bit/pixel source start upper address
Given as upper 10 bits.
0
1-bit/pixel source start lower address
Given as lower 13 bits.
Source address is set as an even byte
address.
0
Rendering, work coordinates
Vertex coordinates DXn, DYn (1 ≤ n ≤ 4)
Given as signed 11-bit data.
Use sign extension in upper vacant bits.
0
16-bit/pixel color specification
Color data 0 given as 16-bit data.
0
16-bit/pixel color specification
Color data 1 given as 16-bit data.
0
8-bit/pixel color specification
Color data 0 given as repeated 8-bit data.
0
8-bit/pixel color specification
Color data 1 given as repeated 8-bit data.
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