X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2F16_pm.c;h=4cf503968b292a4b375c229e4e08e926758c08ad;hb=c11666ac6f605f561e9c6c6f2bba3bccea4a7b18;hp=9cbed569789fe81f98190ab2eb152af924206064;hpb=2fd9b2ce1016f4774c1e21d7432e6b95c02ad378;p=16.git diff --git a/src/lib/16_pm.c b/src/lib/16_pm.c index 9cbed569..4cf50396 100755 --- a/src/lib/16_pm.c +++ b/src/lib/16_pm.c @@ -29,10 +29,6 @@ #include "src/lib/16_pm.h" #pragma hdrstop -#ifdef __DEBUG__ -boolean dbg_debugpm=0; -#endif - // Main Mem specific variables //boolean MainPresent; /* memptr MainMemPages[PMMaxMainMem]; @@ -48,7 +44,8 @@ boolean dbg_debugpm=0; // XMS specific variables //boolean XMSPresent; //word gvar->pm.xmm.XMSAvail,gvar->pm.xmm.XMSPagesAvail,gvar->pm.xmm.XMSHandle; - dword XMSDriver; + dword XMSDriver; //hard to put in gvar + word XMSVer; //hard to put in gvar /* int gvar->pm.xmm.XMSProtectPage = -1; // File specific variables @@ -69,6 +66,28 @@ boolean dbg_debugpm=0; PageListStruct far *gvar->pm.PMPages, _seg *gvar->pm.PMSegPages;*/ +static union REGS CPURegs; + +#define _AX CPURegs.x.ax +#define _BX CPURegs.x.bx +#define _CX CPURegs.x.cx +#define _DX CPURegs.x.dx + +#define _SI CPURegs.x.si + +#define _AH CPURegs.h.ah +#define _AL CPURegs.h.al +#define _BH CPURegs.h.bh +#define _BL CPURegs.h.bl +#define _CH CPURegs.h.ch +#define _CL CPURegs.h.cl +#define _DH CPURegs.h.dh +#define _DL CPURegs.h.dl + +#ifdef __WATCOMC__ +#define geninterrupt(n) int86(n,&CPURegs,&CPURegs); +#endif + static char *ParmStrings[] = {"nomain","noems","noxms",nil}; ///////////////////////////////////////////////////////////////////////////// @@ -83,9 +102,9 @@ static char *ParmStrings[] = {"nomain","noems","noxms",nil}; byte PML_MapEMS(word logical, byte physical, global_game_variables_t *gvar) { - byte err, str[160]; + byte err=0, str[160]; unsigned EMShandle; - int i; + //int i; boolean errorflag=false; EMShandle=gvar->pm.emm.EMSHandle; @@ -120,7 +139,7 @@ PML_MapEMS(word logical, byte physical, global_game_variables_t *gvar) strcpy(str,"MM_MapEMS: EMS error "); MM_EMSerr(str, err); printf("%s\n",str); - Quit("PML_MapEMS: Page mapping failed\n"); + Quit (gvar, "PML_MapEMS: Page mapping failed\n"); return err; } return 0; @@ -140,12 +159,12 @@ PML_StartupEMS(global_game_variables_t *gvar) { int i; //long size; - byte err, str[64]; + byte err=0, str[64]; boolean errorflag=false; static char emmname[] = "EMMXXXX0"; //fix by andrius4669 unsigned int EMSVer = 0; - unsigned totalEMSpages,freeEMSpages,EMSPageFrame,EMSHandle,EMSAvail; + unsigned totalEMSpages,freeEMSpages,EMSPageFrame,EMSHandle=0,EMSAvail=0; totalEMSpages = freeEMSpages = EMSPageFrame = 0; gvar->pm.emm.EMSPresent = false; // Assume that we'll fail gvar->pm.emm.EMSAvail = 0; @@ -154,13 +173,13 @@ PML_StartupEMS(global_game_variables_t *gvar) __asm { mov dx,OFFSET emmname //fix by andrius4669 mov ax,0x3d00 - int EMS_INT // try to open EMMXXXX0 device + int EMM_INT // try to open EMMXXXX0 device jc error1 mov bx,ax mov ax,0x4400 - int EMS_INT // get device info + int EMM_INT // get device info jc error1 and dx,0x80 @@ -168,13 +187,13 @@ PML_StartupEMS(global_game_variables_t *gvar) mov ax,0x4407 - int EMS_INT // get status + int EMM_INT // get status jc error1 or al,al jz error1 mov ah,0x3e - int EMS_INT // close handle + int EMM_INT // close handle jc error1 mov ah,EMS_STATUS @@ -298,7 +317,7 @@ void PML_ShutdownEMS(global_game_variables_t *gvar) { word EMSHandle; - byte err,str[64]; + byte err=0, str[64]; boolean errorflag=false; EMSHandle=gvar->pm.emm.EMSHandle; @@ -333,7 +352,7 @@ PML_ShutdownEMS(global_game_variables_t *gvar) strcpy(str,"PML_ShutdownEMS: Error freeing EMS "); MM_EMSerr(str, err); printf("%s\n",str); - Quit("PML_ShutdownEMS: Error freeing EMS\n"); + Quit (gvar, "PML_ShutdownEMS: Error freeing EMS\n"); //return; } } @@ -357,8 +376,7 @@ PML_StartupXMS(global_game_variables_t *gvar) //TODO: translate the _REG into working assembly //#define STARTUPXMSASM byte err; - word XMSAvail, XMSHandle; -//++++ word XMSVer; + word XMSAvail, XMSHandle;//, XMSVer; boolean errorflag=false; word e=0; gvar->pm.xmm.XMSPresent = false; // Assume failure @@ -375,14 +393,15 @@ PML_StartupXMS(global_game_variables_t *gvar) int XMS_INT // Get address of XMS driver mov [WORD PTR XMSDriver],bx mov [WORD PTR XMSDriver+2],es // function pointer to XMS driver -//++++ mov ah,0 -//++++ call [DWORD PTR XMSDriver] //; Get XMS Version Number -//++++ mov [XMSVer],ax + + mov ah,XMS_VERSION + call [DWORD PTR XMSDriver] //; Get XMS Version Number + mov [XMSVer],ax mov e,2 #ifdef STARTUPXMSASM mov ah,XMS_QUERYFREE // Find out how much XMS is available - call [DWORD PTR XMSDriver]//DWORD PTR + call [DWORD PTR XMSDriver] mov XMSAvail,ax or ax,ax // AJR: bugfix 10/8/92 jz error1 @@ -420,8 +439,9 @@ End1: #endif #ifdef __DEBUG_PM__ -//++++ printf("XMSVer=%02X ", XMSVer); + printf("XMSVer=%02X ", XMSVer); printf("XMSAvail=%u\n", XMSAvail); + getch(); #endif XMSAvail &= ~(PMPageSizeKB - 1); // Round off to nearest page size if (XMSAvail < (PMPageSizeKB * 2)) // Need at least 2 pages @@ -433,7 +453,7 @@ End1: __asm { mov dx,XMSAvail mov ah,XMS_ALLOC // And do the allocation - call [DWORD PTR XMSDriver]//DWORD PTR + call [DWORD PTR XMSDriver] mov XMSHandle,dx or ax,ax // AJR: bugfix 10/8/92 jz error2 @@ -474,7 +494,7 @@ error: gvar->mmi.XMSmem = (dword)(XMSAvail) * 1024; gvar->pm.xmm.XMSAvail = XMSAvail; gvar->pm.xmm.XMSHandle = XMSHandle; -//++++ gvar->pm.xmm.XMSVer = XMSVer; + //gvar->pm.xmm.XMSVer = XMSVer; gvar->pm.xmm.XMSPresent = true; #ifdef __DEBUG_PM__ printf(" XMSmem=%lu XMSAvail=%u\n", gvar->mmi.XMSmem, XMSAvail); @@ -512,7 +532,7 @@ PML_XMSCopy(boolean toxms,byte far *addr,word xmspage,word length, global_game_v if (!addr) { - Quit("PML_XMSCopy: zero address\n"); + Quit (gvar, "PML_XMSCopy: zero address\n"); //return; } @@ -534,7 +554,7 @@ PML_XMSCopy(boolean toxms,byte far *addr,word xmspage,word length, global_game_v } if (!_AX) { - Quit("PML_XMSCopy: Error on copy"); + Quit (gvar, "PML_XMSCopy: Error on copy"); //return; } } @@ -601,7 +621,7 @@ PML_ShutdownXMS(global_game_variables_t *gvar) #endif if(errorflag==true) { - Quit("PML_ShutdownXMS: Error freeing XMS"); + Quit (gvar, "PML_ShutdownXMS: Error freeing XMS"); //return; } } @@ -636,7 +656,7 @@ PM_SetMainMemPurge(int level, global_game_variables_t *gvar) else { - Quit("MainPresent IS NULL\n"); + Quit (gvar, "MainPresent IS NULL\n"); } } @@ -725,7 +745,7 @@ PM_CheckMainMem(global_game_variables_t *gvar) void PML_StartupMainMem(global_game_variables_t *gvar) { - int i,n; + int i;//,n; memptr *p; gvar->pm.mm.MainPagesAvail = 0; @@ -745,7 +765,7 @@ PML_StartupMainMem(global_game_variables_t *gvar) gvar->mm.mmerror = false; if (gvar->pm.mm.MainPagesAvail < PMMinMainMem) { - Quit("PM_SetupMainMem: Not enough main memory"); + Quit (gvar, "PM_SetupMainMem: Not enough main memory"); //return; } gvar->pm.mm.MainPresent = true; @@ -781,22 +801,22 @@ PML_ReadFromFile(byte far *buf,long offset,word length, global_game_variables_t { if (!buf) { - Quit("PML_ReadFromFile: Null pointer"); + Quit (gvar, "PML_ReadFromFile: Null pointer"); //return; } if (!offset) { - Quit("PML_ReadFromFile: Zero offset"); + Quit (gvar, "PML_ReadFromFile: Zero offset"); //return; } if (lseek(gvar->pm.fi.PageFile,offset,SEEK_SET) != offset) { - Quit("PML_ReadFromFile: Seek failed"); + Quit (gvar, "PML_ReadFromFile: Seek failed"); //return; } if (!CA_FarRead(gvar->pm.fi.PageFile,buf,length, gvar)) { - Quit("PML_ReadFromFile: Read failed"); + Quit (gvar, "PML_ReadFromFile: Read failed"); //return; } } @@ -818,7 +838,7 @@ PML_OpenPageFile(global_game_variables_t *gvar) gvar->pm.fi.PageFile = open(gvar->pm.fi.PageFileName,O_RDONLY + O_BINARY); if (gvar->pm.fi.PageFile == -1) { - Quit("PML_OpenPageFile: Unable to open page file"); + Quit (gvar, "PML_OpenPageFile: Unable to open page file"); //return; } @@ -839,7 +859,7 @@ PML_OpenPageFile(global_game_variables_t *gvar) MM_GetPtr(&buf, size, gvar); if (!CA_FarRead(gvar->pm.fi.PageFile,(byte far *)buf,size, gvar)) { - Quit("PML_OpenPageFile: Offset read failed"); + Quit (gvar, "PML_OpenPageFile: Offset read failed"); //return; } offsetptr = (dword far *)buf; @@ -852,7 +872,7 @@ PML_OpenPageFile(global_game_variables_t *gvar) MM_GetPtr(&buf,size, gvar); if (!CA_FarRead(gvar->pm.fi.PageFile,(byte far *)buf,size, gvar)) { - Quit("PML_OpenPageFile: Length read failed"); + Quit (gvar, "PML_OpenPageFile: Length read failed"); //return; } lengthptr = (word far *)buf; @@ -929,7 +949,7 @@ PML_GetEMSAddress(int page,PMLockType lock, global_game_variables_t *gvar) } if (emspage == -1) - Quit("PML_GetEMSAddress: EMS find failed"); + Quit (gvar, "PML_GetEMSAddress: EMS find failed"); gvar->pm.emm.EMSList[emspage].lastHit = gvar->pm.PMFrameCount; offset = emspage * EMSPageSizeSeg; @@ -998,7 +1018,7 @@ PML_GiveLRUPage(boolean mainonly, global_game_variables_t *gvar) } if (lru == -1) - Quit("PML_GiveLRUPage: LRU Search failed"); + Quit (gvar, "PML_GiveLRUPage: LRU Search failed"); return(lru); } @@ -1053,7 +1073,7 @@ PML_PutPageInXMS(int pagenum, global_game_variables_t *gvar) { usexms = PML_GiveLRUXMSPage(gvar); if (usexms == -1) - Quit("PML_PutPageInXMS: No XMS LRU"); + Quit (gvar, "PML_PutPageInXMS: No XMS LRU"); page->xmsPage = gvar->pm.PMPages[usexms].xmsPage; gvar->pm.PMPages[usexms].xmsPage = -1; } @@ -1071,16 +1091,16 @@ PML_TransferPageSpace(int orig,int new, global_game_variables_t *gvar) PageListStruct far *origpage,far *newpage; if (orig == new) - Quit("PML_TransferPageSpace: Identity replacement"); + Quit (gvar, "PML_TransferPageSpace: Identity replacement"); origpage = &gvar->pm.PMPages[orig]; newpage = &gvar->pm.PMPages[new]; if (origpage->locked != pml_Unlocked) - Quit("PML_TransferPageSpace: Killing locked page"); + Quit (gvar, "PML_TransferPageSpace: Killing locked page"); if ((origpage->emsPage == -1) && (origpage->mainPage == -1)) - Quit("PML_TransferPageSpace: Reusing non-existent page"); + Quit (gvar, "PML_TransferPageSpace: Reusing non-existent page"); // Copy page that's about to be purged into XMS PML_PutPageInXMS(orig, gvar); @@ -1096,7 +1116,7 @@ PML_TransferPageSpace(int orig,int new, global_game_variables_t *gvar) origpage->mainPage = origpage->emsPage = -1; if (!addr) - Quit("PML_TransferPageSpace: Zero replacement"); + Quit (gvar, "PML_TransferPageSpace: Zero replacement"); return(addr); } @@ -1137,10 +1157,10 @@ PML_GetAPageBuffer(int pagenum,boolean mainonly, global_game_variables_t *gvar) } } if (n == -1) - Quit("PML_GetPageBuffer: MainPagesAvail lied"); + Quit (gvar, "PML_GetPageBuffer: MainPagesAvail lied"); addr = gvar->pm.mm.MainMemPages[n]; if (!addr) - Quit("PML_GetPageBuffer: Purged main block"); + Quit (gvar, "PML_GetPageBuffer: Purged main block"); page->mainPage = n; gvar->pm.MainPagesUsed++; } @@ -1148,7 +1168,7 @@ PML_GetAPageBuffer(int pagenum,boolean mainonly, global_game_variables_t *gvar) addr = PML_TransferPageSpace(PML_GiveLRUPage(mainonly, gvar),pagenum, gvar); if (!addr) - Quit("PML_GetPageBuffer: Search failed"); + Quit (gvar, "PML_GetPageBuffer: Search failed"); return(addr); } @@ -1174,7 +1194,7 @@ PML_GetPageFromXMS(int pagenum,boolean mainonly, global_game_variables_t *gvar) gvar->pm.xmm.XMSProtectPage = pagenum; checkaddr = PML_GetAPageBuffer(pagenum,mainonly, gvar); if (FP_OFF(checkaddr)) - Quit("PML_GetPageFromXMS: Non segment pointer"); + Quit (gvar, "PML_GetPageFromXMS: Non segment pointer"); addr = (memptr)FP_SEG(checkaddr); PML_CopyFromXMS(addr,page->xmsPage,page->length, gvar); gvar->pm.xmm.XMSProtectPage = -1; @@ -1212,7 +1232,7 @@ PM_GetPage(int pagenum, global_game_variables_t *gvar) memptr result; if (pagenum >= gvar->pm.fi.ChunksInFile) - Quit("PM_GetPage: Invalid page request"); + Quit (gvar, "PM_GetPage: Invalid page request"); #ifdef __DEBUG_2__ // for debugging __asm { @@ -1230,7 +1250,7 @@ PM_GetPage(int pagenum, global_game_variables_t *gvar) { boolean mainonly = (pagenum >= gvar->pm.fi.PMSoundStart); if (!gvar->pm.PMPages[pagenum].offset) // JDC: sparse page - Quit ("Tried to load a sparse page!"); + Quit (gvar, "Tried to load a sparse page!"); if (!(result = PML_GetPageFromXMS(pagenum,mainonly, gvar))) { if (gvar->pm.PMPages[pagenum].lastHit == gvar->pm.PMFrameCount) @@ -1270,7 +1290,7 @@ void PM_SetPageLock(int pagenum,PMLockType lock, global_game_variables_t *gvar) { if (pagenum < gvar->pm.fi.PMSoundStart) - Quit("PM_SetPageLock: Locking/unlocking non-sound page"); + Quit (gvar, "PM_SetPageLock: Locking/unlocking non-sound page"); gvar->pm.PMPages[pagenum].locked = lock; } @@ -1283,15 +1303,15 @@ PM_SetPageLock(int pagenum,PMLockType lock, global_game_variables_t *gvar) void PM_Preload(boolean (*update)(word current,word total), global_game_variables_t *gvar) { - int i,j, + int i,//j, page,oogypage; word current,total, - totalnonxms,totalxms, + //totalnonxms,totalxms, mainfree,maintotal, - emsfree,emstotal, + //emstotal,emsfree, xmsfree,xmstotal; memptr addr; - PageListStruct far *p; + PageListStruct __far *p; mainfree = (gvar->pm.mm.MainPagesAvail - gvar->pm.MainPagesUsed) + (gvar->pm.emm.EMSPagesAvail - gvar->pm.EMSPagesUsed); xmsfree = (gvar->pm.xmm.XMSPagesAvail - gvar->pm.XMSPagesUsed); @@ -1337,7 +1357,7 @@ PM_Preload(boolean (*update)(word current,word total), global_game_variables_t * page++; if (page >= gvar->pm.fi.ChunksInFile) - Quit ("PM_Preload: Pages>=gvar->pm.fi.ChunksInFile"); + Quit (gvar, "PM_Preload: Pages>=gvar->pm.fi.ChunksInFile"); PM_GetPage(page, gvar); @@ -1356,7 +1376,7 @@ PM_Preload(boolean (*update)(word current,word total), global_game_variables_t * ; addr = PM_GetPage(oogypage, gvar); if (!addr) - Quit("PM_Preload: XMS buffer failed"); + Quit (gvar, "PM_Preload: XMS buffer failed"); while (xmstotal) { @@ -1364,15 +1384,15 @@ PM_Preload(boolean (*update)(word current,word total), global_game_variables_t * page++; if (page >= gvar->pm.fi.ChunksInFile) - Quit ("PM_Preload: Pages>=gvar->pm.fi.ChunksInFile"); + Quit (gvar, "PM_Preload: Pages>=gvar->pm.fi.ChunksInFile"); p = &gvar->pm.PMPages[page]; p->xmsPage = gvar->pm.XMSPagesUsed++; if (gvar->pm.XMSPagesUsed > gvar->pm.xmm.XMSPagesAvail) - Quit("PM_Preload: Exceeded XMS pages"); + Quit (gvar, "PM_Preload: Exceeded XMS pages"); if (p->length > PMPageSize) - Quit("PM_Preload: Page too long"); + Quit (gvar, "PM_Preload: Page too long"); PML_ReadFromFile((byte far *)addr,p->offset,p->length, gvar); PML_CopyToXMS((byte far *)addr,p->xmsPage,p->length, gvar); @@ -1425,7 +1445,7 @@ PM_NextFrame(global_game_variables_t *gvar) { char buf[40]; sprintf(buf,"PM_NextFrame: Page %d is locked",i); - Quit(buf); + Quit(gvar, buf); } } //#endif @@ -1486,26 +1506,12 @@ PM_Startup(global_game_variables_t *gvar) if (gvar->pm.PMStarted) return; - //strcpy(&(gvar->pm.fi.PageFileName), "VSWAP."); + //0000+=+=strcpy(&(gvar->pm.fi.PageFileName), "VSWAP."); nomain = noems = noxms = false; - for (i = 1;i < -#ifdef __WATCOMC__ - __argc -#endif -#ifdef __BORLANDC__ - _argc -#endif - ;i++) + for (i = 1;i < _argc;i++) { - switch (US_CheckParm( -#ifdef __WATCOMC__ - __argv[i] -#endif -#ifdef __BORLANDC__ - _argv[i] -#endif - ,ParmStrings)) + switch (US_CheckParm(_argv[i],ParmStrings)) { case 0: nomain = true; @@ -1530,7 +1536,7 @@ PM_Startup(global_game_variables_t *gvar) if (!gvar->pm.mm.MainPresent && !gvar->pm.emm.EMSPresent && !gvar->pm.xmm.XMSPresent) { - Quit("PM_Startup: No main or EMS\n"); + Quit (gvar, "PM_Startup: No main or EMS\n"); //return; }