Chapter 4. DMA Functions Provided

Table of Contents

mca_enable_dma — channel to enable DMA on

mca_disable_dma — channel to disable DMA on

mca_set_dma_addr — load a 24bit DMA address

mca_get_dma_addr — load a 24bit DMA address

mca_set_dma_count — load a 16bit transfer count

mca_get_dma_residue — get the remaining bytes to transfer

mca_set_dma_io — set the port for an I/O transfer

mca_set_dma_mode — set the DMA mode