37
Interrupt
handling
F0 display list transfer
F0: Frame buffer 0
F1: Frame buffer 1
VBK flag: Vertical blanking flag (bit 11 of status register (SR))
TRA flag: Trap flag (bit 10 of status register (SR))
Interrupt
handling
Interrupt
handling
F1 display list transfer
Display screen: F0
1st frame
2nd frame
3rd frame
Drawing destination: F1
Display screen: F1
Drawing destination: F0
VSYNC
(non-interlace
operation)
Q2 operation
CPU operation
Interrupt by
VBK flag
Drawing start
Interrupt is generated
by VBK flag but is
ignored as command
has not finished.
Interrupt by
TRA flag
Display switching is
performed at frame
boundary immediately
after end of drawing.
Interrupt by
VBK flag
Drawing start
Figure 3-10 Operation in Auto Rendering Mode
Содержание HD64411 Q2
Страница 17: ...10 ...
Страница 31: ...24 ...
Страница 108: ...101 Example 0 0 Work coordinates Rendering coordinates XC YC ...
Страница 110: ...103 Example Old XC YC Old XC XC old YC YC 0 0 Work coordinates Rendering coordinates XC YC ...
Страница 112: ...105 Example 0 0 Work coordinates Rendering coordinates XO1 YO1 XO1 DX2 YO1 DY2 XO1 DX1 YO1 DY1 LINE ...
Страница 116: ...109 Example 0 0 Work coordinates Rendering coordinates XMIN YMIN XMAX YMAX ...
Страница 118: ...111 Example 0 0 Work coordinates Rendering coordinates XMAX YMAX ...
Страница 120: ...113 Example 0 0 Work coordinates XMIN YMIN XMAX YMAX ...
Страница 129: ...122 ...
Страница 167: ...160 ...
Страница 179: ...172 ...
Страница 213: ...206 Figure 7 20 TV Sync Mode Display Timing When DOT 0 or DOT 1 and EXHSYNC cycle is even multiple of CLK1 cycle ...