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add device control channel handling;

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fix typo in ems.cpp (#1462677)


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2582
This commit is contained in:
Sebastian Strohhäcker 2006-04-07 16:34:07 +00:00
parent 35b8249ab1
commit 3359eee956
6 changed files with 62 additions and 14 deletions
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8
src/ints/ems.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: ems.cpp,v 1.47 2006-03-12 20:31:49 c2woody Exp $ */
/* $Id: ems.cpp,v 1.48 2006-04-07 16:34:07 c2woody Exp $ */
#include <string.h>
#include <stdlib.h>
@ -79,7 +79,9 @@ public:
}
bool Seek(Bit32u * pos,Bit32u type){return false;}
bool Close(){return false;}
Bit16u GetInformation(void){return 0x8093;}
Bit16u GetInformation(void){return 0xc080;}
bool ReadFromControlChannel(PhysPt bufptr,Bit16u size,Bit16u * retcode){return true;}
bool WriteToControlChannel(PhysPt bufptr,Bit16u size,Bit16u * retcode){return true;}
private:
Bit8u cache;
};
@ -608,7 +610,7 @@ static Bitu INT67_Handler(void) {
} else {
switch (reg_al) {
case 0x00: /* VCPI Installation Check */
if (((reg_cx==0) && (reg_di=0x0012)) || (cpu.pmode && (reg_flags & FLAG_VM))) {
if (((reg_cx==0) && (reg_di==0x0012)) || (cpu.pmode && (reg_flags & FLAG_VM))) {
/* JEMM detected or already in v86 mode */
reg_ah=EMM_NO_ERROR;
reg_bx=0x100;