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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST92196A датащи(PDF) 139 Page - STMicroelectronics |
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ST92196A датащи(HTML) 139 Page - STMicroelectronics |
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139 / 268 page  139/268 - ON SCREEN DISPLAY CONTROLLER (OSD) OSD CONTROLLER (Cont’d) 8.5.7.2 Mouse Pointer Vertical Position Address in Segment 22h: 0Ah (Bits 15:8), 0Bh (Bits 7:0) Bit 15 = MDS Mouse Double Size enable bit This bit enables or disables the double size display for the mouse pointer. 0: The mouse pointer is displayed in a 2Y-2X size. 1: The mouse pointer is displayed in a 4Y-4X size. Bits 14:10 = free for the user Bits 9:0 = MPY[9:0] Mouse Pointer vertical posi- tion These bits define the mouse pointer vertical start position expressed as a “TV lines-per-field” count (refer to Figure 64). When the Display controller works in non-interlaced mode, all MPY bits are used. When the Display controller works in interlaced mode the MPY0 bit becomes meaningless The ac- tual Mouse Pointer starting position is given by MPY[9:1]. The minimum vertical shift is therefore a 2-pixel step, in interlaced mode, as incrementing the Mouse Pointer vertical position will act on both fields, producing a one line shift per field. In non- interlaced mode, the minimum vertical shift be- comes a 1-pixel step. Warning: In interlaced mode the MPY0 bit must be forced by software to 0. 15 8 7 0 MDS MPY9 MPY8 MPY7 MPY6 MPY5 MPY4 MPY4 MPY2 MPY1 MPY0 |
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