! cv64u() - 64 bit converted to unsigned Author: Kees J. Bot ! 24 Dec 1995 .sect .text .define _cv64u, _cv64ul _cv64u: ! unsigned cv64u(u64_t i); mov bx, sp mov cx, 4(bx) jmp 0f _cv64ul: ! unsigned long cv64ul(u64_t i); mov bx, sp xor cx, cx 0: mov ax, 2(bx) mov dx, 4(bx) or cx, 6(bx) or cx, 8(bx) ! return UINT/ULONG_MAX if really big jz 0f mov ax, #-1 mov dx, ax 0: ret