18-231
MB86R02 ‘Jade-D’ Hardware Manual V1.64
18.11.8
Line drawing registers
Each register is used by the drawing commands. The registers cannot be accessed from the CPU or
by using the
SetRegister
command.
(Coordinates setting register)
Register
Address
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LPN 0140
H
0 0 0 0
Int
0
LXs 0144
H
S S S S
Int
Frac
LXde 0148
H
S S S S S S S S S S S S S S S Int
Frac
LYs 014c
H
S S S S
Int
Frac
LYde 0150
H
S S S S S S S S S S S S S S S Int
Frac
LZs 0154
H
S
Int
Frac
LZde 0158
H
S
Int
Frac
Address
Offset from DrawBaseAddress
S
Sign bit or sign extension
0
Not used or 0 extension
Int
Integer or integer part of fixed point data
Frac
Fraction part of fixed point data
Sets coordinates parameters for line drawing
LPN
Pixel count of principal axis direction
LXs
X coordinates start position of draw line
(In principal axis X) Integer value of X coordinates rounded off
(In principal axis Y) X coordinates in form of fixed point data
LXde
Inclination data for X coordinates
(In principal axis X) Increment or decrement according to drawing direction
(In principal axis Y) Fraction part of DX/DY
LYs
Y coordinates start position of draw line
(In principal axis X) Y coordinates in form of fixed point data
(In principal axis Y) Integer value of Y coordinates rounded off
LYde
Inclination data for Y coordinates
(In principal axis X) Fraction part of DY/DX
(In principal axis Y) Increment or decrement according to drawing direction
LZs
Z coordinates start position of line drawing line
LZde
Z Inclination
Summary of Contents for MB86R02
Page 24: ...MB86R02 Jade D Hardware Manual V1 64 ...
Page 76: ...3 2 MB86R02 Jade D Hardware Manual V1 64 Figure 3 1 Memory map 1 ...
Page 77: ...3 3 MB86R02 Jade D Hardware Manual V1 64 Figure 3 2 Memory map 2 ...
Page 167: ...8 8 MB86R02 Jade D Hardware Manual V1 64 ...
Page 214: ...11 7 MB86R02 Jade D Hardware Manual V1 64 15 16 cycles initial value ...
Page 497: ...18 139 MB86R02 Jade D Hardware Manual V1 64 VSYNC is output 1 dot clock faster than HSYNC ...
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Page 682: ...22 2 MB86R02 Jade D Hardware Manual V1 00 FUJITSU PROPRIETARY AND CONFIDENTIAL ...
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