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Added get/set/search handle name functions.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@764
This commit is contained in:
Sjoerd van der Berg 2003-03-14 09:01:21 +00:00
parent 02784e988b
commit 91d4209ca8
1 changed files with 33 additions and 6 deletions
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39
src/ints/ems.cpp
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@ -374,6 +374,7 @@ static Bit8u EMM_PartialPageMapping(void) {
}
static Bit8u HandleNameSearch(void) {
char name[9];
Bit16u handle=0;PhysPt data;
switch (reg_al) {
case 0x00: /* Get all handle names */
@ -387,6 +388,18 @@ static Bit8u HandleNameSearch(void) {
}
}
break;
case 0x01: /* Search for a handle name */
MEM_StrCopy(SegPhys(ds)+reg_si,name,8);name[8]=0;
for (handle=0;handle<EMM_MAX_HANDLES;handle++) {
if (emm_handles[handle].pages!=NULL_HANDLE) {
if (!strncmp(name,emm_handles[handle].name,8)) {
reg_dx=handle;
return EMM_NO_ERROR;
}
}
}
return EMM_NOT_FOUND;
break;
case 0x02: /* Get Total number of handles */
reg_bx=EMM_MAX_HANDLES;
break;
@ -397,6 +410,25 @@ static Bit8u HandleNameSearch(void) {
return EMM_NO_ERROR;
}
static Bit8u GetSetHandleName(void) {
Bit16u handle=reg_dx;
switch (reg_al) {
case 0x00: /* Get Handle Name */
if (handle>=EMM_MAX_HANDLES || emm_handles[handle].pages==NULL_HANDLE) return EMM_INVALID_HANDLE;
MEM_BlockWrite(SegPhys(es)+reg_di,emm_handles[handle].name,8);
break;
case 0x01: /* Set Handle Name */
if (handle>=EMM_MAX_HANDLES || emm_handles[handle].pages==NULL_HANDLE) return EMM_INVALID_HANDLE;
MEM_BlockRead(SegPhys(es)+reg_di,emm_handles[handle].name,8);
break;
default:
LOG(LOG_ERROR|LOG_MISC,"EMS:Call %2X Subfunction %2X not supported",reg_ah,reg_al);
return EMM_FUNC_NOSUP;
}
return EMM_NO_ERROR;
}
static void LoadMoveRegion(PhysPt data,MoveRegion & region) {
region.bytes=mem_readd(data+0x0);
@ -614,12 +646,7 @@ static Bitu INT67_Handler(void) {
reg_ah=EMM_ReallocatePages(reg_dx,reg_bx);
break;
case 0x53: // Set/Get Handlename
if (reg_al==0x00) { // Get Name not supported
LOG(LOG_ERROR|LOG_MISC,"EMS:Get handle name not supported",reg_ah);
reg_ah=EMM_FUNC_NOSUP;
} else { // Set name, not supported but faked
reg_ah=EMM_NO_ERROR;
}
reg_ah=GetSetHandleName();
break;
case 0x54: /* Handle Functions */
reg_ah=HandleNameSearch();