x86 has special into command to trap on overflow. Thus I don't know what he is talking about. http://www.electronics.dit.ie/staff/tscarff/8086_instruction_set/

x86 has special into command to trap on overflow. Thus I don't know what he is talking about. http://www.electronics.dit.ie/staff/tscarff/8086_instruction_set/8086_instruction_set.html#INTO http://www.electronics.dit.ie/staff/tscarff/8086_instruction... You can do without carry and overflow flags in long arithmetic just fine.