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clean up memory access functions

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3003
This commit is contained in:
Sebastian Strohhäcker 2007-09-29 13:23:59 +00:00
parent cd5a157a34
commit d0b4e12779
6 changed files with 108 additions and 162 deletions
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34
src/hardware/memory.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: memory.cpp,v 1.51 2007-07-19 18:58:39 c2woody Exp $ */
/* $Id: memory.cpp,v 1.52 2007-09-29 13:23:59 c2woody Exp $ */
#include "dosbox.h"
#include "mem.h"
@ -447,35 +447,35 @@ void mem_unalignedwrited(PhysPt address,Bit32u val) {
}
bool mem_unalignedreadw_checked_x86(PhysPt address, Bit16u * val) {
bool mem_unalignedreadw_checked(PhysPt address, Bit16u * val) {
Bit8u rval1,rval2;
if (mem_readb_checked_x86(address+0, &rval1)) return true;
if (mem_readb_checked_x86(address+1, &rval2)) return true;
if (mem_readb_checked(address+0, &rval1)) return true;
if (mem_readb_checked(address+1, &rval2)) return true;
*val=(Bit16u)(((Bit8u)rval1) | (((Bit8u)rval2) << 8));
return false;
}
bool mem_unalignedreadd_checked_x86(PhysPt address, Bit32u * val) {
bool mem_unalignedreadd_checked(PhysPt address, Bit32u * val) {
Bit8u rval1,rval2,rval3,rval4;
if (mem_readb_checked_x86(address+0, &rval1)) return true;
if (mem_readb_checked_x86(address+1, &rval2)) return true;
if (mem_readb_checked_x86(address+2, &rval3)) return true;
if (mem_readb_checked_x86(address+3, &rval4)) return true;
if (mem_readb_checked(address+0, &rval1)) return true;
if (mem_readb_checked(address+1, &rval2)) return true;
if (mem_readb_checked(address+2, &rval3)) return true;
if (mem_readb_checked(address+3, &rval4)) return true;
*val=(Bit32u)(((Bit8u)rval1) | (((Bit8u)rval2) << 8) | (((Bit8u)rval3) << 16) | (((Bit8u)rval4) << 24));
return false;
}
bool mem_unalignedwritew_checked_x86(PhysPt address,Bit16u val) {
if (mem_writeb_checked_x86(address,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked_x86(address+1,(Bit8u)(val & 0xff))) return true;
bool mem_unalignedwritew_checked(PhysPt address,Bit16u val) {
if (mem_writeb_checked(address,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked(address+1,(Bit8u)(val & 0xff))) return true;
return false;
}
bool mem_unalignedwrited_checked_x86(PhysPt address,Bit32u val) {
if (mem_writeb_checked_x86(address,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked_x86(address+1,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked_x86(address+2,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked_x86(address+3,(Bit8u)(val & 0xff))) return true;
bool mem_unalignedwrited_checked(PhysPt address,Bit32u val) {
if (mem_writeb_checked(address,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked(address+1,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked(address+2,(Bit8u)(val & 0xff))) return true;val>>=8;
if (mem_writeb_checked(address+3,(Bit8u)(val & 0xff))) return true;
return false;
}