SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG0_OFFSET, 0xFFFFFFFF);
    SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG1_OFFSET, 0xFFFFFFFF);
    SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG2_OFFSET, 0xFFFFFFFF);
    unsigned long x = 1;
    while(1) {
    	for(x = 1; x < 100; x++) {
    		unsigned long xreg = ((640-x) << 16) + x;
    		SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG0_OFFSET, x);
    		//usleep(1000000);
    	}
    }