Re: Way of topic: Assembly thing
- Posted by Kat <gertie at PELL.NET> Aug 14, 2000
- 481 views
On 13 Aug 2000, at 15:59, Darth Maul, aka Matt wrote: > Okay, this might not happen on everyone's systems, but it definitely has > an effect on mine. Here's the problem: whenever I write assembly progs, > sometimes I have to divide or multiply. But my computer goes crazy when I > use the (I)MUL or (I)DIV instructions. Once, a DIV instruction even rebooted > my system and damaged a FAT, all because I tried to convert a foreground > color into a screen attribute( background * 16 + foreground )! What gives? > Maybe the instruction uses a register which has bad content? Or maybe the problem is left in a register by the div instruction, and the next instruction crashes on it? Kat