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fix memory clearing after allocating vga emulation memory when non-paragraph aligned memory has been returned

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3325
This commit is contained in:
Sebastian Strohhäcker 2009-03-22 21:04:41 +00:00
parent ce5ef7a254
commit 981fd5e269
1 changed files with 7 additions and 7 deletions
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14
src/hardware/vga_memory.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2002-2008 The DOSBox Team
* Copyright (C) 2002-2009 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: vga_memory.cpp,v 1.51 2008-08-06 18:32:35 c2woody Exp $ */
/* $Id: vga_memory.cpp,v 1.52 2009-03-22 21:04:41 c2woody Exp $ */
#include <stdlib.h>
#include <string.h>
@ -717,11 +717,11 @@ public:
VGA_Empty_Handler() {
flags=PFLAG_NOCODE;
}
Bitu readb(PhysPt addr) {
Bitu readb(PhysPt /*addr*/) {
// LOG(LOG_VGA, LOG_NORMAL ) ( "Read from empty memory space at %x", addr );
return 0xff;
}
void writeb(PhysPt addr,Bitu val) {
void writeb(PhysPt /*addr*/,Bitu /*val*/) {
// LOG(LOG_VGA, LOG_NORMAL ) ( "Write %x to empty memory space at %x", val, addr );
}
};
@ -900,7 +900,7 @@ void VGA_StartUpdateLFB(void) {
MEM_SetLFB(vga.s3.la_window << 4 ,vga.vmemsize/4096, vga.lfb.handler, &vgaph.mmio);
}
static void VGA_Memory_ShutDown(Section * sec) {
static void VGA_Memory_ShutDown(Section * /*sec*/) {
delete[] vga.mem.linear_orgptr;
delete[] vga.fastmem_orgptr;
#ifdef VGA_KEEP_CHANGES
@ -916,8 +916,8 @@ void VGA_SetupMemory(Section* sec) {
// Keep lower limit at 512k
if (vga_allocsize<512*1024) vga_allocsize=512*1024;
// We reserve extra 2K for one scan line
vga_allocsize+=2048+16;
vga.mem.linear_orgptr = new Bit8u[vga_allocsize];
vga_allocsize+=2048;
vga.mem.linear_orgptr = new Bit8u[vga_allocsize+16];
vga.mem.linear=(Bit8u*)(((Bitu)vga.mem.linear_orgptr + 16-1) & ~(16-1));
memset(vga.mem.linear,0,vga_allocsize);