dma.cpp

来自「djgpp bt878 capture for DOS」· C++ 代码 · 共 25 行

#include "dma.h"
#include <stdio.h>

DMA_BUFFER::DMA_BUFFER(int size)
{
    xms.Allocate(size);
    if(xms.status != 0) {
        printf("%s\n", xms.ErrString());
        exit(10);
    }
    
    CreateVirtual(xms.GetPhysicalAddress(), size);
    if(status != 0) {
        printf("%s\n",ErrString());
        exit(10);
    }
}

void DMA_BUFFER::DisplayInfo(void)
{
    printf("Physical address = 0x%08X\n", GetPhysicalAddress());
    printf("Virtual address = 0x%08X\n", GetVirtualAddress());
    printf("Length = 0x%08X\n", GetLength());
}