.data
int86:
	.byte	0xcd
int86_vec:
	.byte	0x03
	jmp	int86_retjmp

	.text
	.globl	_int86x
_int86x:
	.globl	_int86
_int86:
	pushl	%ebp
	movl	%esp,%ebp
	pushl	%ebx
	pushl	%esi
	pushl	%edi
	pushf

	movl	8(%ebp),%eax
	movb	%al,int86_vec

	movl	12(%ebp),%eax
	movl	4(%eax),%ebx
	movl	8(%eax),%ecx
	movl	12(%eax),%edx
	movl	16(%eax),%esi
	movl	20(%eax),%edi
	movl	(%eax),%eax

	jmp	int86
int86_retjmp:

	pushf
	pushl	%eax
	movl	%esp,%ebp
	addl	$24,%ebp
	movl	16(%ebp),%eax
	popl	(%eax)
	movl	%ebx,4(%eax)
	movl	%ecx,8(%eax)
	movl	%edx,12(%eax)
	movl	%esi,16(%eax)
	movl	%edi,20(%eax)
	popl	%ebx	/* flags */
	movl	%ebx,28(%eax)
	andl	$1,%ebx
	movl	%ebx,24(%eax)
	movl	(%eax),%eax

	popf
	popl	%edi
	popl	%esi
	popl	%ebx
	popl	%ebp
	ret