| 摘要 |
PURPOSE:To attain magnified/reduced transfer without specifying a magnification value and to remove overhead relating to the specification of the magnification value at an accurate magnification value. CONSTITUTION:After presetting DDA items or the like (102 to 104), the DDA operation of REG is executed (109 to 111), and when the carry of the REG is generated (112), the carry is used as an enable signal ENB. A reading address counter in a source side frame memory at the time of magnified transfer and a writing address counter in a destination side frame memory at the time of reduced transfer are respectively controlled by the enable signal ENB. |
