X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2F16_mm.c;h=1800c7d5bde45ba148ad6cf03dcce2460a66a0b9;hb=d45a99ed2ea331a9d2f19b20494fec509fc0efb5;hp=90b07cd731f56862aeaccca0fd89c8db343468b8;hpb=ed6a6d3e013cfe95f25ebab2729767763b3f4af2;p=16.git diff --git a/src/lib/16_mm.c b/src/lib/16_mm.c index 90b07cd7..1800c7d5 100644 --- a/src/lib/16_mm.c +++ b/src/lib/16_mm.c @@ -83,10 +83,11 @@ static char *ParmStringsexmm[] = {"noems","noxms",""}; boolean MML_CheckForEMS(void) { boolean emmcfems; - char emmname[] = "EMMXXXX0"; + static char emmname[] = "EMMXXXX0"; //fix by andrius4669 // mov dx,OFFSET emmname __asm { - LEA DX, emmname //fix by andrius4669 + //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 @@ -174,7 +175,7 @@ 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] @@ -423,9 +424,8 @@ void MML_ShutdownXMS(mminfo_t *mm) void MML_UseSpace(/*d*/word segstart, dword seglength, mminfo_t *mm) { mmblocktype huge *scan,huge *last; + word segm; dword oldend; - /*d*/word fat=0; - word segm=0; dword extra; scan = last = mm->mmhead; @@ -440,21 +440,42 @@ void MML_UseSpace(/*d*/word segstart, dword seglength, mminfo_t *mm) scan = scan->next; } + //find out how many blocks it spans! + if(seglength>0xffffu) + { +// segm=seglength/0x4000u; + segm=seglength/0xffffu; + } + else segm=1; + // // take the given range out of the block // oldend = scan->start + scan->length; extra = oldend - (segstart+seglength); //++++emsver stuff! - if(extra>0xfffflu) + if(segm>1/*extra>0xfffflu*/) { - /*segm=(extra%(0xfffflu))-1; - fat=segm*(0xfffflu); - extra-=fat;*/ -/*printf("extra=%lu ", extra); -printf("oldend=%lu ", oldend); -printf("segm=%lu\n", segm);*/ - printf("MML_UseSpace: Segment spans two blocks!\n"); + /*__asm + { + push ds + mov ax,ds + inc ax + mov ds,ax + }*/ +printf("segm=%u ", segm); +printf("ex=%lu ", extra); +printf("len=%u ", scan->length); +printf("segsta=%x ", segstart); +printf("seglen=%lu\n", seglength); + +//MML_UseSpace(?segstart?, ?length?, mm); + + /*__asm + { + pop ds + }*/ + //printf("MML_UseSpace: Segment spans two blocks!\n"); } //segu: @@ -531,7 +552,7 @@ void MML_ClearBlock(mminfo_t *mm) void MM_Startup(mminfo_t *mm, mminfotype *mmi) { int i; - dword length;//,farlen; + dword length; void huge *start; unsigned segstart,seglength,endfree; @@ -557,7 +578,7 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi) 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->length = 0xffff; mm->mmnew->attributes = LOCKBIT; mm->mmnew->next = NULL; mm->mmrover = mm->mmhead; @@ -571,13 +592,13 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi) _nheapgrow(); length=_memavl(); start = (void huge *)(mm->nearheap = malloc(length)); - 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; + //printf("near heap ok!\n"); // // get all available far conventional memory segments @@ -585,8 +606,7 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi) //---- length=farcoreleft(); _fheapgrow(); length=_memavl(); - //length-=farlen; - start = mm->farheap = halloc(length, sizeof(dword)); + start = mm->farheap = halloc(length, sizeof(byte)); //start = mm->farheap = _fmalloc(length); length -= 16-(FP_OFF(start)&15); length -= SAVEFARHEAP; @@ -595,6 +615,7 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi) MML_UseSpace(segstart,seglength, mm); mmi->farheap = length; mmi->mainmem = mmi->nearheap + mmi->farheap; + //printf("far heap ok!\n"); // @@ -631,11 +652,11 @@ emsskip: 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! + 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)) { printf("XMS!\n"); - MML_SetupXMS(mm, mmi); // allocate as many UMBs as possible + //MML_SetupXMS(mm, mmi); // allocate as many UMBs as possible } // @@ -1016,9 +1037,9 @@ void MM_SortMem(mminfo_t *mm) void MM_ShowMemory(mminfo_t *mm) { mmblocktype huge *scan; - unsigned color,temp;//, i; + unsigned color,temp; long end,owner; - char scratch[80],str[10]; + char scratch[160],str[16]; //**** VW_SetDefaultColors(); //**** VW_SetLineWidth(40); @@ -1032,7 +1053,7 @@ void MM_ShowMemory(mminfo_t *mm) //CA_OpenDebug (); - while (scan) + while(scan) { if(scan->attributes & PURGEBITS) color = 5; // dark purple = purgable @@ -1042,7 +1063,7 @@ void MM_ShowMemory(mminfo_t *mm) color = 12; // red = locked if(scan->start<=end) { - printf("MM_ShowMemory: Memory block order currupted!"); + printf("\nMM_ShowMemory: Memory block order currupted!\n"); return; } end = scan->start+scan->length-1; @@ -1052,9 +1073,11 @@ void MM_ShowMemory(mminfo_t *mm) //++++ VW_Hlin(end+1,scan->next->start,0,0); // black = free //****#if 0 -printf("Location:"); -printf("%x\t", scan->start); -strcpy (scratch,"Size:"); +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! +strcpy(scratch,"Location:"); +ultoa (scan->start,str,16); +strcat (scratch,str); +strcat (scratch,"\tSize:"); ltoa ((dword)scan->length*16,str,10); strcat (scratch,str); strcat (scratch,"\tOwner:0x"); @@ -1235,12 +1258,15 @@ void MM_seguin(void) { __asm { - push ds - inc ds + push ds + mov ax,ds + inc ax + mov ds,ax } } void MM_segude(void) +{ __asm { pop ds