setmode.s

来自「Algorithms for Image Processing and Comp」· S 代码 · 共 61 行

/* This is file SETMODe.S */
/*
** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained.  This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

	.data
	.globl	__GrCurMode
	.comm	__GrCurMode,4
	.globl	__GrSetModeHook
	.comm	__GrSetModeHook,4
	.globl	__GrCanBcopyInBlit
	.comm	__GrCanBcopyInBlit,4

	.text
	.globl	_GrSetMode
_GrSetMode:
	push	%ebp
	movl	%esp,%ebp
	pushl	%ebx
	pushl	%esi
	pushl	%edi

	movl	8(%ebp),%eax
	movl	%eax,__GrCurMode
	movb	$0xff,%ah
	movl	12(%ebp),%ecx
	movl	16(%ebp),%edx

	int	$0x10

	movl	%ecx,__GrSizeX
	movl	%edx,__GrSizeY
	decl	%ecx
	decl	%edx
	movl	%ecx,__GrMaxX
	movl	%edx,__GrMaxY
	movl	%ebx,__GrCanBcopyInBlit

	call	_GrRefreshColors
	cmpl	$0,__GrSetModeHook
	je	L1
	call	*__GrSetModeHook
L1:

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