asmbug2.asm

来自「开放源码的编译器open watcom 1.6.0版的源代码」· 汇编 代码 · 共 14 行

in al,dx
lds si,dword ptr x
lds esi,fword ptr x
mov edi,cr2
mov cr2,esi
mov esi,dr2
mov dr2,ecx
mov esi,tr4
mov tr4,ebx
movsx ax,byte ptr x
movsx eax,byte ptr x
movzx ax,byte ptr x
movzx eax,byte ptr x