12 Jun
2000
12 Jun
'00
10:18 a.m.
// copy binary image to the emulator memory
for (i = 0; i <= iLength; i++)
Mem[i+addr] = (uchar) *pstrBuffer+i;
return 0;
This is the important code. The Altair's memory is represented
by an array
of type uchar and pstrBuffer is the file buffer used int he fread command.
My question is whether I'm doing the assignment right?
You could potentially get weird behavior that way. Some compilers do
strange
things converting signed to unsigned values. Try this instead:
Mem[i+addr] = *((uchar *)(pstrBuffer+i));
or even:
Mem[i+addr] = ((uchar *)pstrBuffer)[i];
for clarity. Note, I tend to go overboard with parens, I've seen a number
of compilers and other programs which didn't do operator precedence
correctly.