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change callback code; get rid of several calls to DOSBOX_RunMachine()

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2677
This commit is contained in:
Sebastian Strohhäcker 2006-07-24 19:06:55 +00:00
parent fcd1a96808
commit 6215071ebc
8 changed files with 527 additions and 328 deletions
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32
src/dos/dos.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos.cpp,v 1.94 2006-04-21 08:23:40 qbix79 Exp $ */
/* $Id: dos.cpp,v 1.95 2006-07-24 19:06:55 c2woody Exp $ */
#include <stdlib.h>
#include <string.h>
@ -981,21 +981,19 @@ static Bitu DOS_21Handler(void) {
};
static Bitu DOS_20Handler(void) {
reg_ax=0x4c00;
DOS_21Handler();
return CBRET_NONE;
}
static Bitu DOS_27Handler(void)
{
static Bitu DOS_27Handler(void) {
// Terminate & stay resident
Bit16u para = (reg_dx/16)+((reg_dx % 16)>0);
if (DOS_ResizeMemory(dos.psp(),&para)) DOS_Terminate(true);
return CBRET_NONE;
}
static Bitu DOS_25Handler(void) {
if(Drives[reg_al]==0){
reg_ax=0x8002;
@ -1020,20 +1018,6 @@ static Bitu DOS_26Handler(void) {
}
return CBRET_NONE;
}
static Bitu DOS_28Handler(void) {
return CBRET_NONE;
}
static Bitu DOS_29Handler(void) {
static bool int29warn=false;
if(!int29warn) {
LOG(LOG_DOSMISC,LOG_WARN)("Int 29 called. Redirecting to int 10:0x0e");
int29warn=true;
}
reg_ah=0x0e;
CALLBACK_RunRealInt(0x10);
return CBRET_NONE;
}
class DOS:public Module_base{
@ -1056,11 +1040,17 @@ public:
callback[4].Install(DOS_27Handler,CB_IRET,"DOS Int 27");
callback[4].Set_RealVec(0x27);
callback[5].Install(DOS_28Handler,CB_IRET,"DOS Int 28");
callback[5].Install(NULL,CB_IRET,"DOS Int 28");
callback[5].Set_RealVec(0x28);
callback[6].Install(DOS_29Handler,CB_IRET,"CON Output Int 29");
callback[6].Install(NULL,CB_INT29,"CON Output Int 29");
callback[6].Set_RealVec(0x29);
// pseudocode for CB_INT29:
// push ax
// mov ah, 0x0e
// int 0x10
// pop ax
// iret
DOS_SetupFiles(); /* Setup system File tables */
DOS_SetupDevices(); /* Setup dos devices */