US Patent 7557949 Inkjet print control apparatus

An inkjet print control apparatus connected with a processor and a memory through a bus. The memory stores print image data. The inkjet print control apparatus fetches the print image data stored in the memory for further data operation in order to drive one or more inkjet heads. The inkjet print control apparatus includes a DMA controller, an instruction RAM and a capture processor. The instruction RAM stores a capture instruction for the print image data fetched. The capture processor is connected to the instruction RAM and the DMA controller for computing an address accessed by the DMA controller to the memory according to the capture instruction. The DMA controller accesses the print image data according to the address.