I'm was wondering if anyone could tell me if one of these methods of accessing mode 13h was more efficient than the other. If there's such a thing.
union REGS regs;
regs.h.ah = 0x00; /* function 00h = mode set */
regs.h.al = 0x13; /* 256-color mode 13h */
int86(0x10,®s,®s); /* do it! */