/* Project 16 Source Code~\r
- * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
+ * Copyright (C) 2012-2022 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
*\r
* This file is part of Project 16.\r
*\r
#include "src/lib/16_pm.h"\r
#pragma hdrstop\r
\r
-#ifdef __DEBUG__\r
-boolean dbg_debugpm=0;\r
-#endif\r
-\r
// Main Mem specific variables\r
//boolean MainPresent;\r
/* memptr MainMemPages[PMMaxMainMem];\r
byte\r
PML_MapEMS(word logical, byte physical, global_game_variables_t *gvar)\r
{\r
- byte err, str[160];\r
+ byte err=0, str[160];\r
unsigned EMShandle;\r
- int i;\r
+ //int i;\r
\r
boolean errorflag=false;\r
EMShandle=gvar->pm.emm.EMSHandle;\r
strcpy(str,"MM_MapEMS: EMS error ");\r
MM_EMSerr(str, err);\r
printf("%s\n",str);\r
- Quit("PML_MapEMS: Page mapping failed\n");\r
+ Quit (gvar, "PML_MapEMS: Page mapping failed\n");\r
return err;\r
}\r
return 0;\r
// If there's more than our minimum (2 pages) available, allocate it (up\r
// to the maximum we need)\r
//\r
+// Please call MML_CheckForEMS() before calling this function.\r
+// MML_CheckForEMS is not local despite the name wwww.\r
+//\r
\r
boolean\r
PML_StartupEMS(global_game_variables_t *gvar)\r
{\r
int i;\r
- //long size;\r
- byte err, str[64];\r
+#ifdef __PM__NOHOGEMS__\r
+ long size;\r
+#endif\r
+ byte err=0, str[64];\r
\r
boolean errorflag=false;\r
- static char emmname[] = "EMMXXXX0"; //fix by andrius4669\r
- unsigned int EMSVer = 0;\r
+ unsigned EMSVer;\r
unsigned totalEMSpages,freeEMSpages,EMSPageFrame,EMSHandle,EMSAvail;\r
- totalEMSpages = freeEMSpages = EMSPageFrame = 0;\r
+ totalEMSpages = freeEMSpages = EMSPageFrame = EMSHandle = EMSAvail = EMSVer = 0; // set all to 0~\r
gvar->pm.emm.EMSPresent = false; // Assume that we'll fail\r
- gvar->pm.emm.EMSAvail = 0;\r
- gvar->mmi.EMSmem = 0;\r
+ gvar->pm.emm.EMSAvail = gvar->mmi.EMSmem = 0;\r
\r
__asm {\r
- mov dx,OFFSET emmname //fix by andrius4669\r
- mov ax,0x3d00\r
- int EMM_INT // try to open EMMXXXX0 device\r
- jc error1\r
-\r
- mov bx,ax\r
- mov ax,0x4400\r
-\r
- int EMM_INT // get device info\r
- jc error1\r
-\r
- and dx,0x80\r
- jz error1\r
-\r
- mov ax,0x4407\r
-\r
- int EMM_INT // get status\r
- jc error1\r
- or al,al\r
- jz error1\r
-\r
- mov ah,0x3e\r
- int EMM_INT // close handle\r
- jc error1\r
-\r
+ //MML_CheckForEMS() takes care of what the code did here\r
mov ah,EMS_STATUS\r
int EMS_INT\r
jc error1 // make sure EMS hardware is present\r
int EMS_INT // only work on EMS 3.2 or greater (silly, but...)\r
or ah,ah\r
jnz error1\r
- mov [EMSVer],ax // set EMSVer\r
+ mov [EMSVer],ax // set EMSVer\r
cmp al,0x32 // only work on ems 3.2 or greater\r
jb error1\r
\r
mov [totalEMSpages],dx\r
mov [freeEMSpages],bx\r
mov [EMSAvail],bx\r
- jmp End1\r
+ jmp End1\r
#ifdef __BORLANDC__\r
}\r
#endif\r
#endif\r
mov err,ah\r
mov errorflag,1\r
- jmp End1\r
+ jmp End1\r
#ifdef __BORLANDC__\r
}\r
#endif\r
#ifdef __WATCOMC__\r
}\r
#endif\r
-/*\r
+#ifdef __PM__NOHOGEMS__\r
if(errorflag==false)\r
{\r
// Don't hog all available EMS\r
gvar->pm.emm.EMSAvail = size / EMSPageSize;\r
}\r
}\r
-*/\r
+#endif\r
__asm {\r
mov ah,EMS_ALLOCPAGES\r
mov bx,[EMSAvail];\r
#endif\r
mov err,ah\r
mov errorflag,1\r
- jmp End2\r
+ jmp End2\r
#ifdef __BORLANDC__\r
- }\r
+ }//end of assembly\r
#endif\r
End2:\r
#ifdef __WATCOMC__\r
- }\r
+ }//end of assembly\r
#endif\r
-\r
- if(errorflag==false)\r
- {\r
- gvar->mmi.EMSmem = EMSAvail * (dword)EMSPageSize;\r
-\r
- // Initialize EMS mapping cache\r
- for (i = 0;i < EMSFrameCount;i++)\r
- gvar->pm.emm.EMSList[i].baseEMSPage = -1;\r
-\r
- }\r
- else\r
+ if(errorflag==true)\r
{\r
strcpy(str,"PML_StartupEMS: EMS error ");\r
MM_EMSerr(str, err);\r
printf("%s\n",str);\r
return(gvar->pm.emm.EMSPresent);\r
}\r
+ gvar->mmi.EMSmem = EMSAvail * (dword)EMSPageSize;\r
+\r
+ // Initialize EMS mapping cache\r
+ for (i = 0;i < EMSFrameCount;i++)\r
+ gvar->pm.emm.EMSList[i].baseEMSPage = -1;\r
\r
gvar->pm.emm.EMSPresent = true; // We have EMS\r
gvar->pm.emm.EMSPageFrame = EMSPageFrame;\r
PML_ShutdownEMS(global_game_variables_t *gvar)\r
{\r
word EMSHandle;\r
- byte err,str[64];\r
+ byte err=0, str[64];\r
\r
boolean errorflag=false;\r
EMSHandle=gvar->pm.emm.EMSHandle;\r
strcpy(str,"PML_ShutdownEMS: Error freeing EMS ");\r
MM_EMSerr(str, err);\r
printf("%s\n",str);\r
- Quit("PML_ShutdownEMS: Error freeing EMS\n");\r
+ Quit (gvar, "PML_ShutdownEMS: Error freeing EMS\n");\r
//return;\r
}\r
}\r
#ifdef __DEBUG_PM__\r
printf("XMSVer=%02X ", XMSVer);\r
printf("XMSAvail=%u\n", XMSAvail);\r
- getch();\r
+// getch();\r
#endif\r
XMSAvail &= ~(PMPageSizeKB - 1); // Round off to nearest page size\r
if (XMSAvail < (PMPageSizeKB * 2)) // Need at least 2 pages\r
\r
if (!addr)\r
{\r
- Quit("PML_XMSCopy: zero address\n");\r
- //return;\r
+ Quit (gvar, "PML_XMSCopy: zero address\n");\r
}\r
\r
xoffset = (dword)xmspage * PMPageSize;\r
}\r
if (!_AX)\r
{\r
- Quit("PML_XMSCopy: Error on copy");\r
+ Quit (gvar, "PML_XMSCopy: Error on copy");\r
//return;\r
}\r
}\r
#endif\r
if(errorflag==true)\r
{\r
- Quit("PML_ShutdownXMS: Error freeing XMS");\r
+ Quit (gvar, "PML_ShutdownXMS: Error freeing XMS");\r
//return;\r
}\r
}\r
for (i = 0;i < PMMaxMainMem;i++)\r
{\r
#ifdef __DEBUG_PM__\r
+#ifdef __DEBUG_PM_MAIN__\r
printf("PM_SetMainMemPurge() info of gvar->pm.mm.MainMemPages[i]\n");\r
printf("& %Fp, %Fp\n", &gvar->pm.mm.MainMemPages[i], &(gvar->pm.mm.MainMemPages[i]));\r
+#endif\r
#endif\r
if (gvar->pm.mm.MainMemPages[i])\r
MM_SetPurge(&(gvar->pm.mm.MainMemPages[i]),level, gvar);\r
\r
else\r
{\r
- Quit("MainPresent IS NULL\n");\r
+ Quit (gvar, "MainPresent IS NULL\n");\r
}\r
}\r
\r
void\r
PML_StartupMainMem(global_game_variables_t *gvar)\r
{\r
- int i,n;\r
+ int i;//,n;\r
memptr *p;\r
\r
gvar->pm.mm.MainPagesAvail = 0;\r
gvar->mm.mmerror = false;\r
if (gvar->pm.mm.MainPagesAvail < PMMinMainMem)\r
{\r
- Quit("PM_SetupMainMem: Not enough main memory");\r
+ Quit (gvar, "PM_SetupMainMem: Not enough main memory");\r
//return;\r
}\r
gvar->pm.mm.MainPresent = true;\r
{\r
if (!buf)\r
{\r
- Quit("PML_ReadFromFile: Null pointer");\r
+ Quit (gvar, "PML_ReadFromFile: Null pointer");\r
//return;\r
}\r
if (!offset)\r
{\r
- Quit("PML_ReadFromFile: Zero offset");\r
+ Quit (gvar, "PML_ReadFromFile: Zero offset");\r
//return;\r
}\r
if (lseek(gvar->pm.fi.PageFile,offset,SEEK_SET) != offset)\r
{\r
- Quit("PML_ReadFromFile: Seek failed");\r
+ Quit (gvar, "PML_ReadFromFile: Seek failed");\r
//return;\r
}\r
if (!CA_FarRead(gvar->pm.fi.PageFile,buf,length, gvar))\r
{\r
- Quit("PML_ReadFromFile: Read failed");\r
+ Quit (gvar, "PML_ReadFromFile: Read failed");\r
//return;\r
}\r
}\r
//\r
// PML_OpenPageFile() - Opens the page file and sets up the page info\r
//\r
+#if 0\r
void\r
PML_OpenPageFile(global_game_variables_t *gvar)\r
{\r
int i;\r
long size;\r
- //__SEGA buf;\r
- memptr buf;\r
+ void _seg *buf;\r
dword far *offsetptr;\r
word far *lengthptr;\r
PageListStruct far *page;\r
gvar->pm.fi.PageFile = open(gvar->pm.fi.PageFileName,O_RDONLY + O_BINARY);\r
if (gvar->pm.fi.PageFile == -1)\r
{\r
- Quit("PML_OpenPageFile: Unable to open page file");\r
+ Quit (gvar, "PML_OpenPageFile: Unable to open page file");\r
//return;\r
}\r
\r
\r
// Allocate and clear the page list\r
gvar->pm.PMNumBlocks = gvar->pm.fi.ChunksInFile;\r
- MM_GetPtr((memptr *)gvar->pm.PMSegPages, sizeof(PageListStruct) * (gvar->pm.PMNumBlocks), gvar);\r
- MM_SetLock((memptr *)gvar->pm.PMSegPages,true, gvar);\r
+ MM_GetPtr((memptr *)&gvar->pm.PMSegPages, sizeof(PageListStruct) * (gvar->pm.PMNumBlocks), gvar);\r
+ MM_SetLock((memptr *)&gvar->pm.PMSegPages,true, gvar);\r
gvar->pm.PMPages = (PageListStruct far *)gvar->pm.PMSegPages;\r
_fmemset(gvar->pm.PMPages,0,sizeof(PageListStruct) * gvar->pm.PMNumBlocks);\r
\r
// Read in the chunk offsets\r
size = sizeof(dword) * gvar->pm.fi.ChunksInFile;\r
- MM_GetPtr(&buf, size, gvar);\r
+ MM_GetPtr((memptr *)&buf, size, gvar);\r
if (!CA_FarRead(gvar->pm.fi.PageFile,(byte far *)buf,size, gvar))\r
{\r
- Quit("PML_OpenPageFile: Offset read failed");\r
+ Quit (gvar, "PML_OpenPageFile: Offset read failed");\r
//return;\r
}\r
offsetptr = (dword far *)buf;\r
for (i = 0,page = gvar->pm.PMPages;i < gvar->pm.fi.ChunksInFile;i++,page++)\r
page->offset = *offsetptr++;\r
- MM_FreePtr(&buf, gvar);\r
+ MM_FreePtr((memptr *)&buf, gvar);\r
\r
// Read in the chunk lengths\r
size = sizeof(word) * gvar->pm.fi.ChunksInFile;\r
MM_GetPtr(&buf,size, gvar);\r
if (!CA_FarRead(gvar->pm.fi.PageFile,(byte far *)buf,size, gvar))\r
{\r
- Quit("PML_OpenPageFile: Length read failed");\r
+ Quit (gvar, "PML_OpenPageFile: Length read failed");\r
//return;\r
}\r
lengthptr = (word far *)buf;\r
for (i = 0,page = gvar->pm.PMPages;i < gvar->pm.fi.ChunksInFile;i++,page++)\r
page->length = *lengthptr++;\r
- MM_FreePtr(&buf, gvar);\r
+ MM_FreePtr((memptr *)&buf, gvar);\r
}\r
\r
//\r
close(gvar->pm.fi.PageFile);\r
if (gvar->pm.PMSegPages)\r
{\r
- MM_SetLock((memptr)gvar->pm.PMSegPages,false, gvar);\r
- MM_FreePtr((memptr)gvar->pm.PMSegPages, gvar);\r
+ MM_SetLock((memptr *)&gvar->pm.PMSegPages,false, gvar);\r
+ MM_FreePtr((void _seg *)&gvar->pm.PMSegPages, gvar);\r
}\r
}\r
+#endif\r
\r
/////////////////////////////////////////////////////////////////////////////\r
//\r
}\r
\r
if (emspage == -1)\r
- Quit("PML_GetEMSAddress: EMS find failed");\r
+ Quit (gvar, "PML_GetEMSAddress: EMS find failed");\r
\r
gvar->pm.emm.EMSList[emspage].lastHit = gvar->pm.PMFrameCount;\r
offset = emspage * EMSPageSizeSeg;\r
}\r
\r
if (lru == -1)\r
- Quit("PML_GiveLRUPage: LRU Search failed");\r
+ Quit (gvar, "PML_GiveLRUPage: LRU Search failed");\r
return(lru);\r
}\r
\r
{\r
usexms = PML_GiveLRUXMSPage(gvar);\r
if (usexms == -1)\r
- Quit("PML_PutPageInXMS: No XMS LRU");\r
+ Quit (gvar, "PML_PutPageInXMS: No XMS LRU");\r
page->xmsPage = gvar->pm.PMPages[usexms].xmsPage;\r
gvar->pm.PMPages[usexms].xmsPage = -1;\r
}\r
PageListStruct far *origpage,far *newpage;\r
\r
if (orig == new)\r
- Quit("PML_TransferPageSpace: Identity replacement");\r
+ Quit (gvar, "PML_TransferPageSpace: Identity replacement");\r
\r
origpage = &gvar->pm.PMPages[orig];\r
newpage = &gvar->pm.PMPages[new];\r
\r
if (origpage->locked != pml_Unlocked)\r
- Quit("PML_TransferPageSpace: Killing locked page");\r
+ Quit (gvar, "PML_TransferPageSpace: Killing locked page");\r
\r
if ((origpage->emsPage == -1) && (origpage->mainPage == -1))\r
- Quit("PML_TransferPageSpace: Reusing non-existent page");\r
+ Quit (gvar, "PML_TransferPageSpace: Reusing non-existent page");\r
\r
// Copy page that's about to be purged into XMS\r
PML_PutPageInXMS(orig, gvar);\r
origpage->mainPage = origpage->emsPage = -1;\r
\r
if (!addr)\r
- Quit("PML_TransferPageSpace: Zero replacement");\r
+ Quit (gvar, "PML_TransferPageSpace: Zero replacement");\r
\r
return(addr);\r
}\r
}\r
}\r
if (n == -1)\r
- Quit("PML_GetPageBuffer: MainPagesAvail lied");\r
+ Quit (gvar, "PML_GetPageBuffer: MainPagesAvail lied");\r
addr = gvar->pm.mm.MainMemPages[n];\r
if (!addr)\r
- Quit("PML_GetPageBuffer: Purged main block");\r
+ Quit (gvar, "PML_GetPageBuffer: Purged main block");\r
page->mainPage = n;\r
gvar->pm.MainPagesUsed++;\r
}\r
addr = PML_TransferPageSpace(PML_GiveLRUPage(mainonly, gvar),pagenum, gvar);\r
\r
if (!addr)\r
- Quit("PML_GetPageBuffer: Search failed");\r
+ Quit (gvar, "PML_GetPageBuffer: Search failed");\r
return(addr);\r
}\r
\r
gvar->pm.xmm.XMSProtectPage = pagenum;\r
checkaddr = PML_GetAPageBuffer(pagenum,mainonly, gvar);\r
if (FP_OFF(checkaddr))\r
- Quit("PML_GetPageFromXMS: Non segment pointer");\r
+ Quit (gvar, "PML_GetPageFromXMS: Non segment pointer");\r
addr = (memptr)FP_SEG(checkaddr);\r
PML_CopyFromXMS(addr,page->xmsPage,page->length, gvar);\r
gvar->pm.xmm.XMSProtectPage = -1;\r
memptr result;\r
\r
if (pagenum >= gvar->pm.fi.ChunksInFile)\r
- Quit("PM_GetPage: Invalid page request");\r
+ Quit (gvar, "PM_GetPage: Invalid page request");\r
\r
#ifdef __DEBUG_2__ // for debugging\r
__asm {\r
{\r
boolean mainonly = (pagenum >= gvar->pm.fi.PMSoundStart);\r
if (!gvar->pm.PMPages[pagenum].offset) // JDC: sparse page\r
- Quit ("Tried to load a sparse page!");\r
+ Quit (gvar, "Tried to load a sparse page!");\r
if (!(result = PML_GetPageFromXMS(pagenum,mainonly, gvar)))\r
{\r
if (gvar->pm.PMPages[pagenum].lastHit == gvar->pm.PMFrameCount)\r
out dx,al\r
mov al,0x20 // normal\r
out dx,al\r
+ }\r
#endif\r
\r
return(result);\r
PM_SetPageLock(int pagenum,PMLockType lock, global_game_variables_t *gvar)\r
{\r
if (pagenum < gvar->pm.fi.PMSoundStart)\r
- Quit("PM_SetPageLock: Locking/unlocking non-sound page");\r
+ Quit (gvar, "PM_SetPageLock: Locking/unlocking non-sound page");\r
\r
gvar->pm.PMPages[pagenum].locked = lock;\r
}\r
void\r
PM_Preload(boolean (*update)(word current,word total), global_game_variables_t *gvar)\r
{\r
- int i,j,\r
+ int i,//j,\r
page,oogypage;\r
word current,total,\r
- totalnonxms,totalxms,\r
+ //totalnonxms,totalxms,\r
mainfree,maintotal,\r
- emsfree,emstotal,\r
+ //emstotal,emsfree,\r
xmsfree,xmstotal;\r
memptr addr;\r
- PageListStruct far *p;\r
+ PageListStruct __far *p;\r
\r
mainfree = (gvar->pm.mm.MainPagesAvail - gvar->pm.MainPagesUsed) + (gvar->pm.emm.EMSPagesAvail - gvar->pm.EMSPagesUsed);\r
xmsfree = (gvar->pm.xmm.XMSPagesAvail - gvar->pm.XMSPagesUsed);\r
page++;\r
\r
if (page >= gvar->pm.fi.ChunksInFile)\r
- Quit ("PM_Preload: Pages>=gvar->pm.fi.ChunksInFile");\r
+ Quit (gvar, "PM_Preload: Pages>=gvar->pm.fi.ChunksInFile");\r
\r
PM_GetPage(page, gvar);\r
\r
;\r
addr = PM_GetPage(oogypage, gvar);\r
if (!addr)\r
- Quit("PM_Preload: XMS buffer failed");\r
+ Quit (gvar, "PM_Preload: XMS buffer failed");\r
\r
while (xmstotal)\r
{\r
page++;\r
\r
if (page >= gvar->pm.fi.ChunksInFile)\r
- Quit ("PM_Preload: Pages>=gvar->pm.fi.ChunksInFile");\r
+ Quit (gvar, "PM_Preload: Pages>=gvar->pm.fi.ChunksInFile");\r
\r
p = &gvar->pm.PMPages[page];\r
\r
p->xmsPage = gvar->pm.XMSPagesUsed++;\r
if (gvar->pm.XMSPagesUsed > gvar->pm.xmm.XMSPagesAvail)\r
- Quit("PM_Preload: Exceeded XMS pages");\r
+ Quit (gvar, "PM_Preload: Exceeded XMS pages");\r
if (p->length > PMPageSize)\r
- Quit("PM_Preload: Page too long");\r
+ Quit (gvar, "PM_Preload: Page too long");\r
\r
PML_ReadFromFile((byte far *)addr,p->offset,p->length, gvar);\r
PML_CopyToXMS((byte far *)addr,p->xmsPage,p->length, gvar);\r
{\r
char buf[40];\r
sprintf(buf,"PM_NextFrame: Page %d is locked",i);\r
- Quit(buf);\r
+ Quit (gvar, buf);\r
}\r
}\r
//#endif\r
if (gvar->pm.PMStarted)\r
return;\r
\r
- //strcpy(&(gvar->pm.fi.PageFileName), "VSWAP.");\r
+ //0000+=+=strcpy(&(gvar->pm.fi.PageFileName), "VSWAP.");\r
\r
nomain = noems = noxms = false;\r
- for (i = 1;i <\r
-#ifdef __WATCOMC__\r
- __argc\r
-#endif\r
-#ifdef __BORLANDC__\r
- _argc\r
-#endif\r
- ;i++)\r
+ for (i = 1;i < _argc;i++)\r
{\r
- switch (US_CheckParm(\r
-#ifdef __WATCOMC__\r
- __argv[i]\r
-#endif\r
-#ifdef __BORLANDC__\r
- _argv[i]\r
-#endif\r
- ,ParmStrings))\r
+ switch (US_CheckParm(_argv[i],ParmStrings))\r
{\r
case 0:\r
nomain = true;\r
\r
if (!gvar->pm.mm.MainPresent && !gvar->pm.emm.EMSPresent && !gvar->pm.xmm.XMSPresent)\r
{\r
- Quit("PM_Startup: No main or EMS\n");\r
+ Quit (gvar, "PM_Startup: No main or EMS\n");\r
//return;\r
}\r
\r
if (!gvar->pm.PMStarted)\r
return;\r
\r
- //PML_ClosePageFile(gvar);\r
+ //0000+=+=PML_ClosePageFile(gvar);\r
\r
PML_ShutdownMainMem(gvar);\r
}\r