X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2F16_mm.c;h=fda0a9ddc8aa5eba65ab9f0efb5386426cac163e;hb=fb97121f7d0be4408d8e2ed98a2f7b10b852a915;hp=59e37fbb062c7bf311dcbdd9af32ccd6dbb09619;hpb=7c0091858644edeb78e54d741d8a5a55d0c8f3b5;p=16.git diff --git a/src/lib/16_mm.c b/src/lib/16_mm.c old mode 100644 new mode 100755 index 59e37fbb..42a87440 --- a/src/lib/16_mm.c +++ b/src/lib/16_mm.c @@ -47,6 +47,11 @@ Open Watcom port by sparky4 */ #include "src/lib/16_mm.h" +#include "src/lib/16_ca.h" +#pragma hdrstop + +#pragma warn -pro +#pragma warn -use /* ============================================================================= @@ -83,10 +88,9 @@ static char *ParmStringsexmm[] = {"noems","noxms",""}; boolean MML_CheckForEMS(void) { boolean emmcfems; - char emmname[] = "EMMXXXX0"; -// mov dx,OFFSET emmname + static char emmname[] = "EMMXXXX0"; //fix by andrius4669 __asm { - LEA DX, emmname //fix by andrius4669 + mov dx,OFFSET emmname //fix by andrius4669 mov ax,0x3d00 int 0x21 // try to open EMMXXXX0 device jc error @@ -115,17 +119,28 @@ boolean MML_CheckForEMS(void) // mov emmcfems,1 jmp End +#ifdef __BORLANDC__ + } +#endif error: +#ifdef __BORLANDC__ + __asm { +#endif // // EMS is bad // mov emmcfems,0 +#ifdef __BORLANDC__ + } +#endif End: +#ifdef __WATCOMC__ } +#endif return(emmcfems); } - +#ifndef __16_PM__ /* ====================== = @@ -134,22 +149,22 @@ boolean MML_CheckForEMS(void) ======================= */ -unsigned MML_SetupEMS(mminfo_t *mm) +byte MML_SetupEMS(global_game_variables_t *gvar) { - char str[80],str2[10]; - unsigned err; + byte str[160]; + byte err; boolean errorflag=false; - union REGS CPURegs; unsigned int EMSVer = 0; - unsigned totalEMSpages,freeEMSpages,EMSpageframe,EMSpagesmapped,EMShandle; - totalEMSpages = freeEMSpages = EMSpageframe = EMSpagesmapped = 0; + //byte EMS_status; + unsigned totalEMSpages,freeEMSpages,EMSPageFrame,EMSpagesmapped,EMSHandle; + totalEMSpages = freeEMSpages = EMSPageFrame = EMSpagesmapped = 0; - __asm - { + __asm { mov ah,EMS_STATUS int EMS_INT // make sure EMS hardware is present or ah,ah + //mov [EMS_status],ah jnz error mov ah,EMS_VERSION @@ -164,7 +179,7 @@ unsigned MML_SetupEMS(mminfo_t *mm) int EMS_INT // find the page frame address or ah,ah jnz error - mov [EMSpageframe],bx + mov [EMSPageFrame],bx mov ah,EMS_GETPAGES int EMS_INT // find out how much EMS is there @@ -174,48 +189,68 @@ unsigned MML_SetupEMS(mminfo_t *mm) mov [freeEMSpages],bx or bx,bx jz noEMS // no EMS at all to allocate -//++++EXPAND DONG!!!! + //EXPAND DONG!!!! cmp [EMSVer],0x40 jb low cmp bx,[freeEMSpages] jle getpages mov bx,[freeEMSpages] jmp getpages - -low: +#ifdef __BORLANDC__ + } +#endif + low: +#ifdef __BORLANDC__ + __asm { +#endif cmp bx,4 jle getpages // there is only 1,2,3,or 4 pages mov bx,4 // we can't use more than 4 pages - -getpages: +#ifdef __BORLANDC__ + } +#endif + getpages: +#ifdef __BORLANDC__ + __asm { +#endif mov [EMSpagesmapped],bx mov ah,EMS_ALLOCPAGES // allocate up to 64k of EMS int EMS_INT or ah,ah jnz error - mov [EMShandle],dx + mov [EMSHandle],dx jmp End -error: +#ifdef __BORLANDC__ + } +#endif + error: +#ifdef __BORLANDC__ + __asm { +#endif + mov err,ah mov errorflag,1 jmp End +#ifdef __BORLANDC__ + } +#endif noEMS: End: +#ifdef __WATCOMC__ } +#endif if(errorflag==true) { - err = CPURegs.h.ah; - strcpy(str,"MML_SetupEMS: EMS error 0x"); - itoa(err,str2,16); - strcpy(str,str2); + strcpy(str,"MM_SetupEMS: EMS error "); + MM_EMSerr(str, err); printf("%s\n",str); return err; } - mm->totalEMSpages=totalEMSpages; - mm->freeEMSpages=freeEMSpages; - mm->EMSpageframe=EMSpageframe; - mm->EMSpagesmapped=EMSpagesmapped; - mm->EMShandle=EMShandle; - mm->EMSVer=EMSVer; + gvar->mm.totalEMSpages=totalEMSpages; + gvar->mm.freeEMSpages=freeEMSpages; + gvar->mm.EMSPageFrame=EMSPageFrame; + gvar->mm.EMSpagesmapped=EMSpagesmapped; + gvar->mm.EMSHandle=EMSHandle; + gvar->mm.EMSVer=EMSVer; return 0; } @@ -228,24 +263,29 @@ End: ======================= */ -void MML_ShutdownEMS(mminfo_t *mm) +void MML_ShutdownEMS(global_game_variables_t *gvar) { boolean errorflag=false; - unsigned EMShandle=mm->EMShandle; + unsigned EMSHandle=gvar->mm.EMSHandle; - if(!EMShandle) + if(!EMSHandle) return; - __asm - { + __asm { mov ah,EMS_FREEPAGES - mov dx,[EMShandle] + mov dx,[EMSHandle] int EMS_INT or ah,ah jz ok mov errorflag,1 +#ifdef __BORLANDC__ + } +#endif ok: +#ifdef __WATCOMC__ } - if(errorflag==true) printf("MML_ShutdownEMS: Error freeing EMS!"); //++++ add something +#endif + if(errorflag==true) + Quit("MML_ShutdownEMS: Error freeing EMS!\n"); //++++ add something } /* @@ -260,44 +300,131 @@ void MML_ShutdownEMS(mminfo_t *mm) ==================== */ -unsigned MM_MapEMS(mminfo_t *mm) +byte MM_MapEMS(global_game_variables_t *gvar) { - char str[80],str2[10]; - unsigned err, EMShandle; + byte str[160]; + unsigned EMSHandle; + byte err; boolean errorflag=false; int i; - union REGS CPURegs; - EMShandle=mm->EMShandle; + EMSHandle=gvar->mm.EMSHandle; - for (i=0;iEMSpagesmapped;i++) + for (i=0;i<4/*MAPPAGES*/;i++) { - __asm - { + __asm { mov ah,EMS_MAPPAGE mov bx,[i] // logical page mov al,bl // physical page - mov dx,[EMShandle] // handle + mov dx,[EMSHandle] // handle int EMS_INT or ah,ah jnz error jmp End +#ifdef __BORLANDC__ + } +#endif error: +#ifdef __BORLANDC__ + __asm { +#endif + mov err,ah mov errorflag,1 +#ifdef __BORLANDC__ + } +#endif End: +#ifdef __WATCOMC__ } +#endif if(errorflag==true) { - err = CPURegs.h.ah; - strcpy(str,"MM_MapEMS: EMS error 0x"); - itoa(err,str2,16); - strcpy(str,str2); + strcpy(str,"MM_MapEMS: EMS error "); + MM_EMSerr(str, err); printf("%s\n",str); return err; } } + gvar->mmi.EMSmem = (i)*0x4000lu; return 0; } +byte MM_MapXEMS(global_game_variables_t *gvar) +{ +//SUB EMS.MapXPages (PhysicalStart, LogicalStart, NumPages, Handle) + + //Maps up to 4 logical EMS pages to physical pages in the page frame, where: + //PhysicalStart = Physical page first logical page is mapped to + //LogicalStart = First logical page to map + //NumPages = Number of pages to map (1 to 4) + //Handle = EMS handle logical pages are allocated to + + /*//Create a buffer containing the page information +// FOR x = 0 TO NumPages - 1 +// MapInfo$ = MapInfo$ + MKI$(LogicalStart + x) + MKI$(PhysicalStart + x) +// NEXT*/ + +// Regs.ax = 0x5000 //Map the pages in the buffer +// Regs.cx = NumPages //to the pageframe +// Regs.dx = Handle +// Regs.ds = VARSEG(MapInfo$) +// Regs.si = SADD(MapInfo$) +// InterruptX 0x67, Regs, Regs +// EMS.Error = (Regs.ax AND 0xFF00&) \ 0x100 //Store the status code + +//END SUB + byte str[160]; + byte err; + word EMSHandle; + boolean errorflag=false; + int i; + EMSHandle=gvar->mm.EMSHandle; + + if(gvar->mm.EMSVer<0x40) + return 5; + + for (i=0;immi.EMSmem = (i)*0x4000lu; + return 0; +} +#endif //========================================================================== /* @@ -310,25 +437,29 @@ unsigned MM_MapEMS(mminfo_t *mm) ======================= */ -boolean MML_CheckForXMS(mminfo_t *mm) +boolean MML_CheckForXMS(void) { + //numUMBs = 0; boolean errorflag=false; - mm->numUMBs = 0; - __asm - { + __asm { mov ax,0x4300 int 0x2f // query status of installed diver cmp al,0x80 je good mov errorflag,1 +#ifdef __BORLANDC__ + } +#endif good: +#ifdef __WATCOMC__ } +#endif if(errorflag==true) return false; else return true; } - +#ifndef __16_PM__ /* ====================== = @@ -339,18 +470,19 @@ boolean MML_CheckForXMS(mminfo_t *mm) ======================= */ -void MML_SetupXMS(mminfo_t *mm, mminfotype *mmi) +void MML_SetupXMS(global_game_variables_t *gvar) { - unsigned base,size; + word base,size; -getmemory: - __asm - { + + __asm { mov ax,0x4310 int 0x2f mov [WORD PTR XMSaddr],bx mov [WORD PTR XMSaddr+2],es // function pointer to XMS driver - + } +getmemory: + __asm { mov ah,XMS_ALLOCUMB mov dx,0xffff // try for largest block possible //mov ax,dx // Set available Kbytes. @@ -365,18 +497,28 @@ getmemory: call [DWORD PTR XMSaddr] // DX holds largest available UMB or ax,ax jz done // another error... - -gotone: +#ifdef __BORLANDC__ + } +#endif + gotone: +#ifdef __BORLANDC__ + __asm { +#endif mov [base],bx mov [size],dx -done: +#ifdef __BORLANDC__ + } +#endif + done: +#ifdef __WATCOMC__ } - printf("base=%u ", base); printf("size=%u\n", size); - MML_UseSpace(base,size, mm); - mmi->XMSmem += size*16; - mm->UMBbase[mm->numUMBs] = base; - mm->numUMBs++; - if(mm->numUMBs < MAXUMBS) +#endif +// printf("base=%u ", base); printf("size=%u\n", size); + MML_UseSpace(base,size, gvar); + gvar->mmi.XMSmem += size*16; + gvar->mm.UMBbase[gvar->mm.numUMBs] = base; + gvar->mm.numUMBs++; + if(gvar->mm.numUMBs < MAXUMBS) goto getmemory; } @@ -389,23 +531,22 @@ done: ====================== */ -void MML_ShutdownXMS(mminfo_t *mm) +void MML_ShutdownXMS(global_game_variables_t *gvar) { int i; unsigned base; - for (i=0;inumUMBs;i++) + for (i=0;imm.numUMBs;i++) { - base = mm->UMBbase[i]; - __asm - { + base = gvar->mm.UMBbase[i]; + __asm { mov ah,XMS_FREEUMB mov dx,[base] call [DWORD PTR XMSaddr] } } } - +#endif //========================================================================== /* @@ -420,16 +561,16 @@ void MML_ShutdownXMS(mminfo_t *mm) ====================== */ -void MML_UseSpace(/*d*/word segstart, dword seglength, mminfo_t *mm) +/*void MML_UseSpace(word segstart, dword seglength, global_game_variables_t *gvar) { - mmblocktype huge *scan,huge *last; - dword oldend; - ///*d*/word fat=0; - //word segm=0; + //huge mmblocktype huge *scan,huge *last; + word segm=1; + word oldend; + dword segmlen; dword extra; - scan = last = mm->mmhead; - mm->mmrover = mm->mmhead; // reset rover to start of memory + scan = last = gvar->mm.mmhead; + gvar->mm.mmrover = gvar->mm.mmhead; // reset rover to start of memory // // search for the block that contains the range of segments @@ -445,55 +586,120 @@ void MML_UseSpace(/*d*/word segstart, dword seglength, mminfo_t *mm) // oldend = scan->start + scan->length; extra = oldend - (segstart+seglength); - //++++emsver stuff! - if(extra>0xfffflu) - { - /*__asm - { - push ds - mov ax,ds - inc ax - mov ds,ax - }*/ -printf("extra=%lu ", extra); -printf("oldend=%lu ", oldend); -printf("length=%u ", scan->length); -printf("segstart=%u ", segstart); -printf("seglength=%lu\n", seglength); -//MML_UseSpace(?segstart?, ?length?, mm); + segmlen=extra; - /*__asm - { - pop ds - }*/ - //printf("MML_UseSpace: Segment spans two blocks!\n"); + //++++emsver stuff! + if(segm>1)/// || extra>=0x10000lu) + //if(extra>0xfffflu) + { + scan->blob=segm; + + //MML_UseSpace(segstart, seglength, gvar); + + printf("MML_UseSpace: Segment spans two blocks!\n"); + //} + printf("segm=%u ", segm); + printf("ex=%lu ", extra); + printf("old=%u ", oldend); + printf("start+seglen=%lu\n", segstart+seglength); + printf("segsta=%x ", segstart); + printf("len=%lu ", scan->length); + printf("seglen=%lu ", seglength); + printf("segmlen=%lu\n", segmlen); } - -//segu: //++++todo: linked list of segment! -//printf("segm=%lu\n", segm); if(segstart == scan->start) { last->next = scan->next; // unlink block - MM_FreeBlock(scan, mm); + FREEBLOCK(scan); scan = last; } else scan->length = segstart-scan->start; // shorten block -// segm--; - if(extra > 0) { - MM_GetNewBlock(mm); - mm->mmnew->next = scan->next; - scan->next = mm->mmnew; - mm->mmnew->start = segstart+seglength; - mm->mmnew->length = extra; - mm->mmnew->attributes = LOCKBIT; + GETNEWBLOCK; + gvar->mm.mmnew->useptr = NULL; + + gvar->mm.mmnew->next = scan->next; + scan->next = gvar->mm.mmnew; + gvar->mm.mmnew->start = segstart+seglength; + gvar->mm.mmnew->length = extra; + gvar->mm.mmnew->attributes = LOCKBIT; }//else if(segm>0) goto segu; +}*/ +void MML_UseSpace(word segstart, dword seglength, global_game_variables_t *gvar) +{ + mmblocktype far *scan,far *last; + word oldend; + sdword extra; + //word segm=1; + + scan = last = gvar->mm.mmhead; + gvar->mm.mmrover = gvar->mm.mmhead; // reset rover to start of memory + +// +// search for the block that contains the range of segments +// + while (scan->start+scan->length < segstart) + { + last = scan; + scan = scan->next; + } + +// +// find out how many blocks it spans! +// + /*for(;seglength>=0x10000;seglength-=0xFFFF) + { + //printf(" seglen=%lu\n", segmlen); + segm++; + }*/ + +// +// take the given range out of the block +// + oldend = scan->start + scan->length; + extra = oldend - (segstart+((unsigned)seglength)); + if (extra < 0) + { + printf("========================================\n"); + printf("start=%x ", scan->start); + printf("old=%u ", oldend); + printf("start+seglen=%lu\n", segstart+seglength); + printf("segsta=%x ", segstart); + printf("len=%lu ", scan->length); + printf("seglen=%lu ", seglength); + printf("\n"); + printf("MML_UseSpace: Segment spans two blocks! %d\n", extra); + printf("========================================\n"); + //return; + } + + if (segstart == scan->start) + { + last->next = scan->next; // unlink block + FREEBLOCK(scan); + scan = last; + } + else + scan->length = segstart-scan->start; // shorten block + + if (extra > 0) + { + GETNEWBLOCK; + gvar->mm.mmnew->useptr = NULL; + + gvar->mm.mmnew->next = scan->next; + scan->next = gvar->mm.mmnew; + gvar->mm.mmnew->start = segstart+seglength; + gvar->mm.mmnew->length = extra; + gvar->mm.mmnew->attributes = LOCKBIT; + } + } //========================================================================== @@ -508,17 +714,18 @@ printf("seglength=%lu\n", seglength); ==================== */ -void MML_ClearBlock(mminfo_t *mm) +void MML_ClearBlock(global_game_variables_t *gvar) { - mmblocktype huge *scan,huge *last; + //huge mmblocktype huge *scan,huge *last; + mmblocktype far *scan,far *last; - scan = mm->mmhead->next; + scan = gvar->mm.mmhead->next; while(scan) { if(!(scan->attributes&LOCKBIT) && (scan->attributes&PURGEBITS)) { - MM_FreePtr(scan->useptr, mm); + MM_FreePtr(scan->useptr, gvar); return; } scan = scan->next; @@ -541,123 +748,142 @@ void MML_ClearBlock(mminfo_t *mm) =================== */ -void MM_Startup(mminfo_t *mm, mminfotype *mmi) +void MM_Startup(global_game_variables_t *gvar) { int i; - dword length;//,farlen; - void huge *start; - unsigned segstart,seglength,endfree; + //dword length,seglength; + dword length; word seglength; + //huge void huge *start; + void far *start; + word segstart;//,endfree; + //memptr *peeonself; - if(mm->mmstarted) - MM_Shutdown(mm); + if(gvar->mm.mmstarted) + MM_Shutdown(gvar); + + gvar->mm.mmstarted = true; + gvar->mm.bombonerror = true; - mm->mmstarted = true; - mm->bombonerror = true; // // set up the linked list (everything in the free list; // - mm->mmhead = NULL; - mm->mmfree = &(mm->mmblocks[0]); + gvar->mm.mmhead = NULL; + gvar->mm.mmfree = &(gvar->mm.mmblocks[0]); for(i=0;immblocks[i].next = &(mm->mmblocks[i+1]); + gvar->mm.mmblocks[i].next = &(gvar->mm.mmblocks[i+1]); } - mm->mmblocks[i].next = NULL; + gvar->mm.mmblocks[i].next = NULL; // // locked block of all memory until we punch out free space // - MM_GetNewBlock(mm); - mm->mmhead = mm->mmnew; // this will allways be the first node - mm->mmnew->start = 0; - mm->mmnew->length = 0xffff; //todo: mm make it fucking massive as fuck!~ - mm->mmnew->attributes = LOCKBIT; - mm->mmnew->next = NULL; - mm->mmrover = mm->mmhead; - -// farlen=_bios_memsize()*1024; - + GETNEWBLOCK; + gvar->mm.mmhead = gvar->mm.mmnew; // this will allways be the first node + gvar->mm.mmnew->start = 0; + gvar->mm.mmnew->length = 0xffff; + gvar->mm.mmnew->attributes = LOCKBIT; + gvar->mm.mmnew->next = NULL; + //gvar->mm.mmnew->useptr = peeonself; + gvar->mm.mmrover = gvar->mm.mmhead; + + //printf(" %x\n", peeonself); + //printf(" %x\n", *peeonself); // // get all available near conventional memory segments // -//---- length=coreleft(); +#ifdef __WATCOMC__ _nheapgrow(); - length=_memavl(); - start = (void huge *)(mm->nearheap = malloc(length)); - + length=(dword)_memavl();//(dword)GetFreeSize(); + //huge start = (void huge *)(gvar->mm.nearheap = _nmalloc(length)); + start = (void far *)(gvar->mm.nearheap = _nmalloc(length)); +#endif +#ifdef __BORLANDC__ + length=coreleft(); + //huge start = (void huge *)(gvar->mm.nearheap = malloc(length)); + start = (void far *)(gvar->mm.nearheap = malloc(length)); +#endif length -= 16-(FP_OFF(start)&15); length -= SAVENEARHEAP; seglength = length / 16; // now in paragraphs segstart = FP_SEG(start)+(FP_OFF(start)+15)/16; - MML_UseSpace(segstart,seglength, mm); - mmi->nearheap = length; + MML_UseSpace(segstart,seglength, gvar); + gvar->mmi.nearheap = length; + //printf("start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, seglength, length); // // get all available far conventional memory segments // -//---- length=farcoreleft(); + //printf("_FARCORELEFT %lu\n", _FCORELEFT); +#ifdef __WATCOMC__ _fheapgrow(); - length=_memavl(); - //length-=farlen; - start = mm->farheap = halloc(length, sizeof(dword)); - //start = mm->farheap = _fmalloc(length); + length=_FCORELEFT;//_fcoreleft();//(dword)GetFarFreeSize();//0xffffUL*4UL; +#endif +#ifdef __BORLANDC__ + printf("farcoreleft() %lu\n", farcoreleft()); + printf("(farcoreleft()+32)-_FCORELEFT %d\n", (sword)((farcoreleft()+32)-_FCORELEFT)); + length=farcoreleft();//_fcoreleft();//(dword)GetFarFreeSize();//0xffffUL*4UL; +#endif + start = gvar->mm.farheap = _fmalloc(length); + //start = gvar->mm.farheap = halloc(length, 1); length -= 16-(FP_OFF(start)&15); length -= SAVEFARHEAP; seglength = length / 16; // now in paragraphs segstart = FP_SEG(start)+(FP_OFF(start)+15)/16; - MML_UseSpace(segstart,seglength, mm); - mmi->farheap = length; - mmi->mainmem = mmi->nearheap + mmi->farheap; + MML_UseSpace(segstart,seglength, gvar); + gvar->mmi.farheap = length; + //printf("start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, seglength, length); + gvar->mmi.mainmem = gvar->mmi.nearheap + gvar->mmi.farheap; +#ifndef __16_PM__ + if(!dbg_debugpm) { // // detect EMS and allocate up to 64K at page frame // - printf("EMS!\n\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug! - mmi->EMSmem = 0; - for(i = 1;i < __argc;i++) + gvar->mmi.EMSmem = 0; +//goto emsskip; //0000 + for(i = 1;i < _argc;i++) { - if(US_CheckParm(__argv[i],ParmStringsexmm) == 0) + if(US_CheckParm(_argv[i],ParmStringsexmm) == 0) goto emsskip; // param NOEMS } - printf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug! if(MML_CheckForEMS()) { -//printf("EMS1\n"); - MML_SetupEMS(mm); // allocate space - printf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug! - //TODO: EMS4! AND EMS 3.2 MASSIVE DATA HANDLMENT! - MML_UseSpace(mm->EMSpageframe,(mm->EMSpagesmapped)*0x4000lu, mm); -//printf("EMS3\n"); - MM_MapEMS(mm); // map in used pages -//printf("EMS4\n"); - mmi->EMSmem = (mm->EMSpagesmapped)*0x4000lu; + MML_SetupEMS(gvar); // allocate space + //16_PM: EMS4! AND EMS 3.2 MASSIVE DATA HANDLMENT! + MML_UseSpace(gvar->mm.EMSPageFrame,(MAPPAGES)*0x4000lu, gvar); + //if(gvar->pm.emm.EMSVer<0x40) + MM_MapEMS(gvar); // map in used pages + //else + //MM_MapXEMS(gvar); // map in used pages } // // detect XMS and get upper memory blocks // emsskip: - mmi->XMSmem = 0; - for(i = 1;i < __argc;i++) + gvar->mmi.XMSmem = 0; +goto xmsskip;//0000 + for(i = 1;i < _argc;i++) { - if(US_CheckParm(__argv[i],ParmStringsexmm) == 0) + if(US_CheckParm( _argv[i],ParmStringsexmm) == 0) goto xmsskip; // param NOXMS } -// printf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug! - if(MML_CheckForXMS(mm)) + if(MML_CheckForXMS()) { - printf("XMS!\n"); - MML_SetupXMS(mm, mmi); // allocate as many UMBs as possible + MML_SetupXMS(gvar); // allocate as many UMBs as possible } + } +xmsskip: +#endif // // allocate the misc buffer // -xmsskip: - mm->mmrover = mm->mmhead; // start looking for space after low block + gvar->mm.mmrover = gvar->mm.mmhead; // start looking for space after low block - MM_GetPtr(&(mm->bufferseg),BUFFERSIZE, mm, mmi); + MM_GetPtr(&(gvar->mm.bufferseg),BUFFERSIZE, gvar); } //========================================================================== @@ -672,19 +898,28 @@ xmsskip: ==================== */ -void MM_Shutdown(mminfo_t *mm) +void MM_Shutdown(global_game_variables_t *gvar) { - if(!(mm->mmstarted)) + if(!(gvar->mm.mmstarted)) return; - _ffree(mm->farheap); - printf("far freed\n"); - free(mm->nearheap); - printf("near freed\n"); - //hfree(mm->hugeheap); - //printf("huge freed\n"); - if(MML_CheckForEMS()){ MML_ShutdownEMS(mm); printf("EMS freed\n"); } - if(MML_CheckForXMS(mm)){ MML_ShutdownXMS(mm); printf("XMS freed\n"); } + _ffree(gvar->mm.farheap);// printf(" far freed\n"); +#ifdef __WATCOMC__ + _nfree(gvar->mm.nearheap);// printf(" near freed\n"); +#endif +#ifdef __BORLANDC__ + free(gvar->mm.nearheap);// printf(" near freed\n"); +#endif +#ifndef __16_PM__ +#ifdef __DEBUG__ + if(!dbg_debugpm) { +#endif + if(MML_CheckForEMS()){ MML_ShutdownEMS(gvar); }//printf(" EMS freed\n"); } + if(MML_CheckForXMS()){ MML_ShutdownXMS(gvar); }//printf(" XMS freed\n"); } +#ifdef __DEBUG__ + } +#endif +#endif } //========================================================================== @@ -699,53 +934,64 @@ void MM_Shutdown(mminfo_t *mm) ==================== */ -void MM_GetPtr(memptr *baseptr,dword size, mminfo_t *mm, mminfotype *mmi) +void MM_GetPtr (memptr *baseptr, dword size, global_game_variables_t *gvar) { - mmblocktype huge *scan,huge *lastscan,huge *endscan,huge *purge,huge *next; + //huge mmblocktype huge *scan,huge *lastscan,huge *endscan,huge *purge,huge *next; + mmblocktype far *scan,far *lastscan,far *endscan,far *purge,far *next; int search; unsigned needed,startseg; needed = (size+15)/16; // convert size from bytes to paragraphs - MM_GetNewBlock(mm); // fill in start and next after a spot is found - mm->mmnew->length = needed; - mm->mmnew->useptr = baseptr; - mm->mmnew->attributes = BASEATTRIBUTES; - - for(search = 0; search<3; search++) + GETNEWBLOCK; // fill in start and next after a spot is found + gvar->mm.mmnew->length = needed; + gvar->mm.mmnew->useptr = baseptr; + //if(gvar->mm.mmnew->useptr==NULL){ +#ifdef __DEBUG_MM__ + printf("MM_GetPtr\n"); + //%04x + printf(" baseptr=%Fp ", baseptr); printf("useptr=%Fp\n", gvar->mm.mmnew->useptr); + printf(" *baseptr=%Fp ", *baseptr); printf("*useptr=%Fp\n", *(gvar->mm.mmnew->useptr)); + printf(" &baseptr=%Fp ", &baseptr); printf("&useptr=%Fp\n", &(gvar->mm.mmnew->useptr)); +#endif + //exit(-5); } + gvar->mm.mmnew->attributes = BASEATTRIBUTES; + +//tryagain: + for (search = 0; search<3; search++) { // // first search: try to allocate right after the rover, then on up // second search: search from the head pointer up to the rover // third search: compress memory, then scan from start - if(search == 1 && mm->mmrover == mm->mmhead) + if (search == 1 && gvar->mm.mmrover == gvar->mm.mmhead) search++; - switch(search) + switch (search) { case 0: - lastscan = mm->mmrover; - scan = mm->mmrover->next; + lastscan = gvar->mm.mmrover; + scan = gvar->mm.mmrover->next; endscan = NULL; break; case 1: - lastscan = mm->mmhead; - scan = mm->mmhead->next; - endscan = mm->mmrover; + lastscan = gvar->mm.mmhead; + scan = gvar->mm.mmhead->next; + endscan = gvar->mm.mmrover; break; case 2: - MM_SortMem(mm); - lastscan = mm->mmhead; - scan = mm->mmhead->next; + MM_SortMem (gvar); + lastscan = gvar->mm.mmhead; + scan = gvar->mm.mmhead->next; endscan = NULL; break; } startseg = lastscan->start + lastscan->length; - while(scan != endscan) + while (scan != endscan) { - if(scan->start - startseg >= needed) + if (scan->start - startseg >= needed) { // // got enough space between the end of lastscan and @@ -753,23 +999,23 @@ void MM_GetPtr(memptr *baseptr,dword size, mminfo_t *mm, mminfotype *mmi) // and allocate the new block // purge = lastscan->next; - lastscan->next = mm->mmnew; - mm->mmnew->start = *(unsigned *)baseptr = startseg; - mm->mmnew->next = scan; - while(purge != scan) + lastscan->next = gvar->mm.mmnew; + gvar->mm.mmnew->start = *(unsigned *)baseptr = startseg; + gvar->mm.mmnew->next = scan; + while ( purge != scan) { // free the purgable block next = purge->next; - MM_FreeBlock(purge, mm); + FREEBLOCK(purge); purge = next; // purge another if not at scan } - mm->mmrover = mm->mmnew; + gvar->mm.mmrover = gvar->mm.mmnew; return; // good allocation! } // // if this block is purge level zero or locked, skip past it // - if((scan->attributes & LOCKBIT) + if ( (scan->attributes & LOCKBIT) || !(scan->attributes & PURGEBITS) ) { lastscan = scan; @@ -781,10 +1027,18 @@ void MM_GetPtr(memptr *baseptr,dword size, mminfo_t *mm, mminfotype *mmi) } } - if (mm->bombonerror) - printf(OUT_OF_MEM_MSG,(size-mmi->nearheap)); + if (gvar->mm.bombonerror) + { +#ifdef __WATCOMC__ + //heapdump(); +#endif + printf(OUT_OF_MEM_MSG,(size-gvar->mmi.nearheap)); + printf("for stability reasons the program will shut down! wwww\n"); + MM_Shutdown(gvar); + exit(-1); + } else - mm->mmerror = true; + gvar->mm.mmerror = true; } //========================================================================== @@ -799,15 +1053,16 @@ void MM_GetPtr(memptr *baseptr,dword size, mminfo_t *mm, mminfotype *mmi) ==================== */ -void MM_FreePtr(memptr *baseptr, mminfo_t *mm) +void MM_FreePtr(memptr *baseptr, global_game_variables_t *gvar) { - mmblocktype huge *scan,huge *last; + //huge mmblocktype huge *scan,huge *last; + mmblocktype far *scan,far *last; - last = mm->mmhead; + last = gvar->mm.mmhead; scan = last->next; - if(baseptr == mm->mmrover->useptr) // removed the last allocated block - mm->mmrover = mm->mmhead; + if(baseptr == gvar->mm.mmrover->useptr) // removed the last allocated block + gvar->mm.mmrover = gvar->mm.mmhead; while(scan->useptr != baseptr && scan) { @@ -817,13 +1072,13 @@ void MM_FreePtr(memptr *baseptr, mminfo_t *mm) if(!scan) { - printf("MM_FreePtr: Block not found!"); + printf("MM_FreePtr: Block not found!\n"); return; } last->next = scan->next; - MM_FreeBlock(scan, mm); + FREEBLOCK(scan); } //========================================================================== @@ -837,31 +1092,33 @@ void MM_FreePtr(memptr *baseptr, mminfo_t *mm) ===================== */ -void MM_SetPurge(memptr *baseptr, int purge, mminfo_t *mm) + +void MM_SetPurge(memptr *baseptr, int purge, global_game_variables_t *gvar) { - mmblocktype huge *start; + //huge mmblocktype huge *start; + mmblocktype far *start; - start = mm->mmrover; + start = gvar->mm.mmrover; do { - if(mm->mmrover->useptr == baseptr) + if(gvar->mm.mmrover->useptr == baseptr) break; - mm->mmrover = mm->mmrover->next; + gvar->mm.mmrover = gvar->mm.mmrover->next; - if(!mm->mmrover) - mm->mmrover = mm->mmhead; - else if(mm->mmrover == start) + if(!gvar->mm.mmrover) + gvar->mm.mmrover = gvar->mm.mmhead; + else if(gvar->mm.mmrover == start) { - printf("MM_SetPurge: Block not found!"); - return; + Quit("MM_SetPurge: Block not found!"); + //return; } } while(1); - mm->mmrover->attributes &= ~PURGEBITS; - mm->mmrover->attributes |= purge; + gvar->mm.mmrover->attributes &= ~PURGEBITS; + gvar->mm.mmrover->attributes |= purge; } //========================================================================== @@ -876,31 +1133,32 @@ void MM_SetPurge(memptr *baseptr, int purge, mminfo_t *mm) ===================== */ -void MM_SetLock(memptr *baseptr, boolean locked, mminfo_t *mm) +void MM_SetLock(memptr *baseptr, boolean locked, global_game_variables_t *gvar) { - mmblocktype huge *start; + //huge mmblocktype huge *start; + mmblocktype far *start; - start = mm->mmrover; + start = gvar->mm.mmrover; do { - if(mm->mmrover->useptr == baseptr) + if(gvar->mm.mmrover->useptr == baseptr) break; - mm->mmrover = mm->mmrover->next; + gvar->mm.mmrover = gvar->mm.mmrover->next; - if(!mm->mmrover) - mm->mmrover = mm->mmhead; - else if(mm->mmrover == start) + if(!gvar->mm.mmrover) + gvar->mm.mmrover = gvar->mm.mmhead; + else if(gvar->mm.mmrover == start) { - printf("MM_SetLock: Block not found!"); - return; + Quit("MM_SetLock: Block not found!"); + //return; } } while(1); - mm->mmrover->attributes &= ~LOCKBIT; - mm->mmrover->attributes |= locked*LOCKBIT; + gvar->mm.mmrover->attributes &= ~LOCKBIT; + gvar->mm.mmrover->attributes |= locked*LOCKBIT; } //========================================================================== @@ -915,9 +1173,10 @@ void MM_SetLock(memptr *baseptr, boolean locked, mminfo_t *mm) ===================== */ -void MM_SortMem(mminfo_t *mm) +void MM_SortMem(global_game_variables_t *gvar) { - mmblocktype huge *scan,huge *last,huge *next; + //huge mmblocktype huge *scan,huge *last,huge *next; + mmblocktype far *scan,far *last,far *next; unsigned start,length,source,dest,oldborder; int playing; @@ -947,7 +1206,7 @@ void MM_SortMem(mminfo_t *mm) if(beforesort) beforesort(); - scan = mm->mmhead; + scan = gvar->mm.mmhead; last = NULL; // shut up compiler warning @@ -968,7 +1227,8 @@ void MM_SortMem(mminfo_t *mm) // throw out the purgable block // next = scan->next; - MM_FreeBlock(scan, mm); + FREEBLOCK(scan); + //MM_FreeBlock(scan, gvar); last->next = next; scan = next; continue; @@ -1003,7 +1263,7 @@ void MM_SortMem(mminfo_t *mm) scan = scan->next; // go to next block } - mm->mmrover = mm->mmhead; + gvar->mm.mmrover = gvar->mm.mmhead; if(aftersort) aftersort(); @@ -1014,10 +1274,8 @@ void MM_SortMem(mminfo_t *mm) MM_SetLock(&(memptr)audiosegs[playing],false);*/ } - //========================================================================== -//****#if 0 /* ===================== = @@ -1026,69 +1284,229 @@ void MM_SortMem(mminfo_t *mm) ===================== */ -void MM_ShowMemory(mminfo_t *mm) +void MM_ShowMemory(global_game_variables_t *gvar) { - mmblocktype huge *scan; - unsigned color,temp;//, i; - long end,owner; - char scratch[80],str[10]; - + //huge mmblocktype huge *scan; + mmblocktype far *scan; + word temp; + sdword end,owner; + //word chx,chy; + word w; + //dword wwww; + byte scratch[160],scratch0[4096],scratch1[160],str[16]; + //byte d = '#'; //**** VW_SetDefaultColors(); //**** VW_SetLineWidth(40); //++++mh temp = bufferofs; //++++mh bufferofs = 0; //**** VW_SetScreen (0,0); - - scan = mm->mmhead; - + scan = gvar->mm.mmhead; end = -1; -//CA_OpenDebug (); - - while (scan) + CA_OpenDebug (gvar); + w=0; + while(scan) { + strcpy(scratch, AARESET); if(scan->attributes & PURGEBITS) - color = 5; // dark purple = purgable + strcpy(scratch0, AAMAGENTA); // dark purple = purgable else - color = 9; // medium blue = non purgable + strcpy(scratch0, AABLUE); // medium blue = non purgable if(scan->attributes & LOCKBIT) - color = 12; // red = locked + strcpy(scratch0, AARED); // red = locked if(scan->start<=end) { - printf("MM_ShowMemory: Memory block order currupted!"); - return; + printf("\nend==%d\n\n", end); + strcat(scratch, "MM_ShowMemory: Memory block order currupted!\n"); + strcat(scratch, "End's Size: "); + ultoa (end,str,10); + strcat (scratch,str); + strcat(scratch, "\nscan->start's Size: "); + ultoa (scan->start,str,10); + strcat (scratch,str); + write(gvar->handle.debughandle,scratch,strlen(scratch)); + //modexprint(&page, chx, chy, 1, 0, 24, "\nMM_ShowMemory: Memory block order currupted!\n"); + break; } - end = scan->start+scan->length-1; + end = scan->start+(scan->length)-1; +//++++ chy = scan->start/320; +//++++ chx = scan->start%320; + //modexhlin(page, scan->start, (unsigned)end, chy, color); + //for(chx=scan->start;chx+4>=(word)end;chx+=4) + //{ +//++++ modexClearRegion(page, chx, chy, 4, 4, color); + //} //++++ VW_Hlin(scan->start,(unsigned)end,0,color); + for(w=(scan->start)/80;w<=end/80;w++) + { + //printf("+ %u %lu\n", w, scan->length); + strcat(scratch0, "+"); + } + //++==++==optional strcat(scratch0, AARESET); strcat(scratch0, AAGREY); strcat(scratch0,"_"); //++++ VW_Plot(scan->start,0,15); - if(scan->next->start > end+1) +//++++ modexClearRegion(page, chx, chy, 4, 4, 15); //++++ VW_Hlin(end+1,scan->next->start,0,0); // black = free -//****#if 0 -printf("Location:"); -printf("%x\t", scan->start); -strcpy (scratch,"Size:"); -ltoa ((dword)scan->length*16,str,10); -strcat (scratch,str); -strcat (scratch,"\tOwner:0x"); -owner = (unsigned)scan->useptr; -ultoa (owner,str,16); -strcat (scratch,str); -strcat (scratch,"\n"); -//++++write (debughandle,scratch,strlen(scratch)); -fprintf(stdout, "%s", scratch); -//****#endif + //wwww=(dword)(scan->next->start)-(dword)scan->start; + //wwww=(dword)scan->start+(dword)(scan->next->start); + if (scan->next && scan->next->start >= end+1) + { + strcat(scratch0, AARESET); + //++==++==optional strcat(scratch0, "\n"); + strcat(scratch0,AAGREEN); + for(w=(end+1)/80;w<=((scan->next->start-scan->start)/80);w++) + //for(w=(wwww)/80;w<=((end+1)/80);w++) + //for(w=(end+1)/80;w<=((wwww)/80);w++) + { + //printf("0 %x %u %lu\n", scan->next->start, w, scan->length); + strcat(scratch0,"0"); + } + //printf("==================\n"); + //printf("w=%u wwww=%lu start=%04x next=%04x end=%lu\n", w/80, wwww/80, scan->start, (scan->next->start), end+1); + //printf("==================\n"); + strcat(scratch0, "\n"); + //getch(); + }/*else {//if(scan->next->start <= scan->start){ + scan->next->start=scan->start+0x1000; + wwww=(dword)(scan->next->start)-(dword)scan->start; + strcat(scratch0, AARESET); + strcat(scratch0, "\n"); + strcat(scratch0,AAGREEN); + for(w=(end+1);w<=(0x1000/80);w++) + { + //printf("0 %x %x %u\n", scan->start, w); + strcat(scratch0,"0"); + } + printf("================\n"); + printf("w=%x start=%x next=%x end=%u %lu\n", w, scan->start, (scan->next->start), end+1, wwww); + printf("================\n"); + getch(); + }*/ + strcat(scratch0, AARESET); + //strcat(scratch0,"\n"); + //for(chx=scan->next->start;chx+4>=(word)end+1;chx+=4) + //{ +// chx+=scan->next->start; +// modexClearRegion(page, chx, chy, 4, 4, 2); + //} + //modexhlin(page, end+1,scan->next->start, chy, 0); +/* y = scan->start/320; + x = scan->start%320; + VW_Hlin(x,x+end,y,color); + VW_Plot(x,y,15);*/ +//++++ VW_Hlin(x+end+1,x+(scan->next->start-scan->start),y,0); // black = free + strcat(scratch,"Seg:"); + ultoa (scan->start,str,16); + strcat (scratch,str); + strcat (scratch,"\tSize:"); + ultoa ((unsigned)scan->length,str,10); + strcat (scratch,str); + strcat (scratch,"\tOwner:0x"); + owner = (unsigned)scan->useptr; + ultoa (owner,str,16); + strcat (scratch,str); + strcat (scratch,"\n"); + write(gvar->handle.debughandle,scratch,strlen(scratch)); + write(gvar->handle.debughandle,scratch0,strlen(scratch0)); +//modexprint(page, chx, chy, 1, 0, 24, &scratch); +//++++chy+=4; +//fprintf(stdout, "%s", scratch); scan = scan->next; } - -//CA_CloseDebug (); + /*strcpy(scratch1, AARESET); + strcat(scratch1, "========================================\n"); + strcat(scratch1, "near= "); + ultoa (*(gvar->mm.nearheap),str,10); + strcat (scratch1,str); + strcat(scratch1, " far= "); + ultoa (*(gvar->mm.farheap),str,10); + strcat (scratch1,str); + strcat(scratch1, "\n"); + //strcat(scratch1, "&near= %Fp ", &(gvar->mm.nearheap)); + //strcat(scratch1, "&far= %Fp", &(gvar->mm.farheap)); + //strcat(scratch1, "\n"); + strcat(scratch1, "========================================\n"); + write(gvar->handle.debughandle,scratch1,strlen(scratch1));*/ + + + CA_CloseDebug (gvar); //++++mh IN_Ack(); //**** VW_SetLineWidth(64); //++++mh bufferofs = temp; } -//****#endif + +//========================================================================== + +/* +===================== += += MM_DumpData += +===================== +*/ + +void MM_DumpData(global_game_variables_t *gvar) +{ + //huge mmblocktype huge *scan,huge *best; + mmblocktype far *scan,far *best; + long lowest,oldlowest; + word owner; + byte lock,purge; + FILE *dumpfile; + + free(gvar->mm.nearheap); +#ifdef __BORLANDC__ + dumpfile = fopen ("mmdump.16b","w"); +#endif +#ifdef __WATCOMC__ + dumpfile = fopen ("mmdump.16w","w"); +#endif + if (!dumpfile){ + printf("MM_DumpData: Couldn't open MMDUMP.16!\n"); + return; + } + + lowest = -1; + do + { + oldlowest = lowest; + lowest = 0xffff; + + scan = gvar->mm.mmhead; + while (scan) + { + owner = (unsigned)scan->useptr; + + if (owner && owner oldlowest) + { + best = scan; + lowest = owner; + } + + scan = scan->next; + } + + if (lowest != 0xffff) + { + if (best->attributes & PURGEBITS) + purge = 'P'; + else + purge = '-'; + if (best->attributes & LOCKBIT) + lock = 'L'; + else + lock = '-'; + fprintf (dumpfile,"0x%p (%c%c) = %u\n" + ,(unsigned)lowest,lock,purge,best->length); + } + + } while (lowest != 0xffff); + + fclose(dumpfile); + printf("MMDUMP.16 created.\n"); +} //========================================================================== @@ -1103,13 +1521,14 @@ fprintf(stdout, "%s", scratch); ====================== */ -dword MM_UnusedMemory(mminfo_t *mm) +dword MM_UnusedMemory(global_game_variables_t *gvar) { dword free; - mmblocktype huge *scan; + //huge mmblocktype huge *scan; + mmblocktype far *scan; free = 0; - scan = mm->mmhead; + scan = gvar->mm.mmhead; while(scan->next) { @@ -1117,7 +1536,7 @@ dword MM_UnusedMemory(mminfo_t *mm) scan = scan->next; } - return free*16l; + return free*16lu; // return free; } @@ -1134,13 +1553,14 @@ dword MM_UnusedMemory(mminfo_t *mm) ====================== */ -dword MM_TotalFree(mminfo_t *mm) +dword MM_TotalFree(global_game_variables_t *gvar) { dword free; - mmblocktype huge *scan; + //huge mmblocktype huge *scan; + mmblocktype far *scan; free = 0; - scan = mm->mmhead; + scan = gvar->mm.mmhead; while(scan->next) { @@ -1150,7 +1570,7 @@ dword MM_TotalFree(mminfo_t *mm) scan = scan->next; } - return free*16l; + return free*16lu; // return free; } @@ -1164,26 +1584,32 @@ dword MM_TotalFree(mminfo_t *mm) ===================== */ -void MM_Report(mminfo_t *mm, mminfotype *mmi) +void MM_Report_(global_game_variables_t *gvar) { + printf("========================================\n"); + printf(" MM_Report_\n"); + printf("========================================\n"); if(MML_CheckForEMS()) { - printf("EMM %x available\n", mm->EMSVer); - printf("totalEMSpages=%u\n", mm->totalEMSpages); - printf("freeEMSpages=%u\n", mm->freeEMSpages); - printf("EMSpageframe=%x\n", mm->EMSpageframe); + printf(" %cLIMEMS %u\n", 0xC9, gvar->pm.emm.EMSPresent); + printf(" %c%cEMM v%x.%x available\n", 0xC7, 0xC4, gvar->pm.emm.EMSVer>>4,gvar->pm.emm.EMSVer&0x0F); + printf(" %c%ctotalEMSpages: %u ", 0xC7, 0xC4, gvar->pm.emm.totalEMSpages); printf("freeEMSpages: %u\n", gvar->pm.emm.freeEMSpages); + printf(" %c%cEMSPageFrame: %04x\n", 0xC7, 0xC4, gvar->pm.emm.EMSPageFrame); + printf(" %c%cEMSmem: %lu\n", 0xD3, 0xC4, gvar->mmi.EMSmem); } - if(MML_CheckForXMS(mm)) printf("XMSaddr=%Fp\n", *XMSaddr); - printf("near=%lu\n", mmi->nearheap); - printf("far=%lu\n", mmi->farheap); - printf("EMSmem=%lu\n", mmi->EMSmem); - printf("XMSmem=%lu\n", mmi->XMSmem); - printf("mainmem=%lu\n", mmi->mainmem); - printf("UnusedMemory=%lu\n", MM_UnusedMemory(mm)); - printf("TotalFree=%lu\n", MM_TotalFree(mm)); -// printf("\n"); -// printf("UnusedMemory=%lu kb\n", MM_UnusedMemory()/10248); -// printf("TotalFree=%lu kb\n", MM_TotalFree()/10248); + if(MML_CheckForXMS()) + { + printf(" %cXMS %u\n", 0xC9, gvar->pm.xmm.XMSPresent); + printf(" %c%cXMS v%x.%x available\n", 0xC7, 0xC4, XMSVer>>8,XMSVer&0x0F); + printf(" %c%cXMSDriver: %Fp\n", 0xC7, 0xC4, XMSDriver); + printf(" %c%cXMSHandle: %04x\n", 0xC7, 0xC4, gvar->pm.xmm.XMSHandle); + printf(" %c%cXMSmem: %lu\n", 0xD3, 0xC4, gvar->mmi.XMSmem); + } + printf(" %cConv. %u\n", 0xC9, gvar->pm.mm.MainPresent); DebugMemory_(gvar, 0); + //printf("mainmem: %lu\n", gvar->mmi.mainmem); + //printf("Total convmem: %lu ", gvar->mmi.mainmem); printf("TotalFree: %lu ", MM_TotalFree(gvar)+gvar->mmi.EMSmem+gvar->mmi.XMSmem+gvar->mmi.XMSmem); printf("TotalUsed: %lu\n", gvar->mmi.mainmem); + //printf(" UnusedMemory: %lu\n", MM_UnusedMemory(gvar)); + printf("nearheap: %lu ", gvar->mmi.nearheap); printf("farheap: %lu\n", gvar->mmi.farheap); } //========================================================================== @@ -1191,22 +1617,131 @@ void MM_Report(mminfo_t *mm, mminfotype *mmi) /* ===================== = -= MM_EMSVer += MM_EMSerr = ===================== +*/ - -int MM_EMSVer(void) +void MM_EMSerr(byte *stri, byte err) { - int EMSver; - __asm + //Returns a text string describing the error code in EMS.Error. + switch(err) { - mov ah,EMS_VERSION - int EMS_INT - mov EMSver,ax + case 0x0: + strcat(stri, "successful"); + break; + case 0x80: + strcat(stri, "internal error"); + break; + case 0x81: + strcat(stri, "hardware malfunction"); + break; + case 0x82: + strcat(stri, "busy .. retry later"); + break; + case 0x83: + strcat(stri, "invalid handle"); + break; + case 0x84: + strcat(stri, "undefined function requested by application"); + break; + case 0x85: + strcat(stri, "no more handles available"); + break; + case 0x86: + strcat(stri, "error in save or restore of mapping context"); + break; + case 0x87: + strcat(stri, "insufficient memory pages in system"); + break; + case 0x88: + strcat(stri, "insufficient memory pages available"); + break; + case 0x89: + strcat(stri, "zero pages requested"); + break; + case 0x8A: + strcat(stri, "invalid logical page number encountered"); + break; + case 0x8B: + strcat(stri, "invalid physical page number encountered"); + break; + case 0x8C: + strcat(stri, "page-mapping hardware state save area is full"); + break; + case 0x8D: + strcat(stri, "save of mapping context failed"); + break; + case 0x8E: + strcat(stri, "restore of mapping context failed"); + break; + case 0x8F: + strcat(stri, "undefined subfunction"); + break; + case 0x90: + strcat(stri, "undefined attribute type"); + break; + case 0x91: + strcat(stri, "feature not supported"); + break; + case 0x92: + strcat(stri, "successful, but a portion of the source region has been overwritten"); + break; + case 0x93: + strcat(stri, "length of source or destination region exceeds length of region allocated to either source or destination handle"); + break; + case 0x94: + strcat(stri, "conventional and expanded memory regions overlap"); + break; + case 0x95: + strcat(stri, "offset within logical page exceeds size of logical page"); + break; + case 0x96: + strcat(stri, "region length exceeds 1 MB"); + break; + case 0x97: + strcat(stri, "source and destination EMS regions have same handle and overlap"); + break; + case 0x98: + strcat(stri, "memory source or destination type undefined"); + break; + case 0x9A: + strcat(stri, "specified alternate map register or DMA register set not supported"); + break; + case 0x9B: + strcat(stri, "all alternate map register or DMA register sets currently allocated"); + break; + case 0x9C: + strcat(stri, "alternate map register or DMA register sets not supported"); + break; + case 0x9D: + strcat(stri, "undefined or unallocated alternate map register or DMA register set"); + break; + case 0x9E: + strcat(stri, "dedicated DMA channels not supported"); + break; + case 0x9F: + strcat(stri, "specified dedicated DMA channel not supported"); + break; + case 0xA0: + strcat(stri, "no such handle name"); + break; + case 0xA1: + strcat(stri, "a handle found had no name, or duplicate handle name"); + break; + case 0xA2: + strcat(stri, "attempted to wrap around 1M conventional address space"); + break; + case 0xA3: + strcat(stri, "source array corrupted"); + break; + case 0xA4: + strcat(stri, "operating system denied access"); + break; + default: + strcat(stri, "undefined error"); } - return(EMSver); -}*/ +} //========================================================================== @@ -1218,36 +1753,44 @@ int MM_EMSVer(void) ===================== */ -void MM_BombOnError(boolean bomb, mminfo_t *mm) +void MM_BombOnError(boolean bomb, global_game_variables_t *gvar) { - mm->bombonerror = bomb; + gvar->mm.bombonerror = bomb; } -void MM_GetNewBlock(mminfo_t *mm) +/*void MM_GetNewBlock(global_game_variables_t *gvar) { - if(!mm->mmfree) - MML_ClearBlock(mm); - mm->mmnew=mm->mmfree; - mm->mmfree=mm->mmfree->next; - /*if(!(mm->mmnew=mm->mmfree)) + if(!gvar->mm.mmfree) + MML_ClearBlock(gvar); + gvar->mm.mmnew=gvar->mm.mmfree; + gvar->mm.mmfree=gvar->mm.mmfree->next; + if(!(gvar->mm.mmnew=gvar->mm.mmfree)) { - printf("MM_GETNEWBLOCK: No free blocks!"); + printf("MM_GETNEWBLOCK: No free blocks!\n"); return; } - mm->mmfree=mm->mmfree->next;*/ + gvar->mm.mmfree=gvar->mm.mmfree->next; } -void MM_FreeBlock(mmblocktype *x, mminfo_t *mm) +void MM_FreeBlock(mmblocktype *x, global_game_variables_t *gvar) { x->useptr=NULL; - x->next=mm->mmfree; - mm->mmfree=x; + x->next=gvar->mm.mmfree; + gvar->mm.mmfree=x; +}*/ + +void xms_call(byte v, global_game_variables_t *gvar) +{ + dword XMSDriver = gvar->pm.xmm.XMSDriver; + __asm { + mov ah,[v] + call [DWORD PTR XMSDriver] + } } -void MM_seguin(void) +/*void MM_seguin(void) { - __asm - { + __asm { push ds mov ax,ds inc ax @@ -1257,11 +1800,10 @@ void MM_seguin(void) void MM_segude(void) { - __asm - { + __asm { pop ds } -} +}*/ /* pull data from far and put it into ds var