SH7764 Datasheet, PDF (1148/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 23 G2D
X
Y
(TXS, TYS) or
Base Address
SRCDIRX = 0
SRCDIRY = 0
SRCDIRX = 1
SRCDIRY = 0
SRCDIRX = 0
SRCDIRY = 1
SRCDIRX = 1
SRCDIRY = 1
Source reference directions
Figure 23.12 Example of Source Direction Specification
(14) Destination Direction X, Y (DSTDIRX, DSTDIRY)
The destination direction X, Y specification can be used with the BITBLTA, BITBLTB, and
BITBLTC commands. The directions in which to draw the destination data are selected.
X
Y
DRCDIRX = 0
DRCDIRY = 0
DRCDIRX = 1
DRCDIRY = 0
DRCDIRX = 0
DRCDIRY = 1
DRCDIRX = 1
DRCDIRY = 1
Destination drawing directions
Figure 23.13 Example of Destination Direction Specification
Rev. 1.00 Nov. 22, 2007 Page 1092 of 1692
REJ09B0360-0100