// Test MMX support
void CChildView::TestMMX()
{
bool bMMX, bSSE;
TestFeatures(&bMMX, &bSSE);
if ( bMMX )
m_bMMX = TRUE;
}
/* Read byte from active segment at address addr. */
TByte TStk500::ReadByte(TAddr addr)
{
TByte val = 0xff;
if (segment == SEG_FUSE)
{
switch (addr)
{
case AVR_FUSE_LOW_ADDR:
if (TestFeatures(AVR_FUSE_RD))
val = ReadFuseLowBits();
else
Info (1, "Cannot read low fuse bits on this device. "
"Returning 0xff\n");
break;
case AVR_FUSE_HIGH_ADDR:
if (TestFeatures(AVR_FUSE_HIGH))
val = ReadFuseHighBits();
else
Info (1, "Cannot read high fuse bits on this device. "
"Returning 0xff\n");
break;
case AVR_CAL_ADDR:
if (TestFeatures(AVR_CAL_RD))
val = ReadCalFuseBits(0);
else
Info (1, "Cannot read calibration byte on this device. "
"Returning 0xff\n");
break;
case AVR_LOCK_ADDR:
val = ReadLockBits();
break;
case AVR_FUSE_EXT_ADDR:
if (TestFeatures(AVR_FUSE_EXT))
val = ReadFuseExtBits();
else
Info (1, "Cannot read extended fuse bits on this device. "
"Returning 0xff\n");
break;
}
}
else
{
/* FIXME: TRoth/2002-05-29: This is still broken. If flash or eeprom
changes after the calling ReadMem(), you won't ever see the change. */
// Xbow: the original STK500 version reads all 128K of Atmega memory
// before checking. This takes ~15sec on the mib510. This version reads
// a 256 byte page. If a new 256 byte page is needed then it retreives
// it from the mib510
if (read_buffer[segment] == NULL) {
page = addr >> 8; //page number
read_buffer[segment] = new TByte[GetSegmentSize()]; //create buffer for data
ReadMemPage(addr & 0xfff00); //read the page
}
int new_page = addr >> 8;
if (new_page != page){
page = new_page;
ReadMemPage(addr & 0xfff00);
}
val = read_buffer[segment][addr];
}
