minix/lib/i86/misc/io_insl.s
2005-04-21 14:53:53 +00:00

22 lines
375 B
ArmAsm
Executable file

! insl() - Input a dword array Author: Kees J. Bot
! 18 Mar 1996
! void insl(U16_t port, void *buf, size_t count);
o32 = 0x66
.sect .text
.define _insl
_insl:
push bp
mov bp, sp
cld
push di
mov dx, 4(bp) ! port
mov di, 6(bp) ! buf
mov cx, 8(bp) ! byte count
shr cx, #2 ! dword count
.data1 o32
rep ins ! input many dwords
pop di
pop bp
ret