#include "src/lib/16_pm.h"\r
#pragma hdrstop\r
\r
-#ifdef __DEBUG__\r
-boolean debugpm=0;\r
-#endif\r
-\r
// Main Mem specific variables\r
-/* boolean MainPresent;\r
- memptr MainMemPages[PMMaxMainMem];\r
+ //boolean MainPresent;\r
+/* memptr MainMemPages[PMMaxMainMem];\r
PMBlockAttr gvar->pm.mm.MainMemUsed[PMMaxMainMem];\r
- int gvar->pm.mm.MainPagesAvail;\r
+ int gvar->pm.mm.MainPagesAvail;*/\r
\r
// EMS specific variables\r
- boolean EMSPresent;\r
- word gvar->pm.emm.EMSAvail,gvar->pm.emm.EMSPagesAvail,gvar->pm.emm.EMSHandle,\r
+ //boolean EMSPresent;\r
+/* word gvar->pm.emm.EMSAvail,gvar->pm.emm.EMSPagesAvail,gvar->pm.emm.EMSHandle,\r
gvar->pm.emm.EMSPageFrame,gvar->pm.emm.EMSPhysicalPage;\r
- gvar->pm.emm.EMSListStruct gvar->pm.emm.EMSList[EMSFrameCount];\r
+ gvar->pm.emm.EMSListStruct gvar->pm.emm.EMSList[EMSFrameCount];*/\r
\r
// XMS specific variables\r
- boolean XMSPresent;\r
- word gvar->pm.xmm.XMSAvail,gvar->pm.xmm.XMSPagesAvail,gvar->pm.xmm.XMSHandle;*/\r
- word XMSDriver;\r
+ //boolean XMSPresent;\r
+ //word gvar->pm.xmm.XMSAvail,gvar->pm.xmm.XMSPagesAvail,gvar->pm.xmm.XMSHandle;\r
+ dword XMSDriver; //hard to put in gvar\r
+ word XMSVer; //hard to put in gvar\r
/* int gvar->pm.xmm.XMSProtectPage = -1;\r
\r
// File specific variables\r
char gvar->pm.fi.PageFileName[13] = {"VSWAP."};\r
int PageFile = -1;\r
word gvar->pm.fi.ChunksInFile;\r
- word PMSpriteStart,PMSoundStart;\r
+ word PMSpriteStart,PMSoundStart;*/\r
\r
// General usage variables\r
- boolean PMStarted,\r
+/* boolean PMStarted,\r
gvar->pm.PMPanicMode,\r
gvar->pm.PMThrashing;\r
word gvar->pm.XMSPagesUsed,\r
gvar->pm.PMNumBlocks;\r
long PMFrameCount;\r
PageListStruct far *gvar->pm.PMPages,\r
- _seg *gvar->pm.PMSegPages;\r
-*/\r
-boolean PMStarted, MainPresent, EMSPresent, XMSPresent;\r
+ _seg *gvar->pm.PMSegPages;*/\r
+\r
+static union REGS CPURegs;\r
+\r
+#define _AX CPURegs.x.ax\r
+#define _BX CPURegs.x.bx\r
+#define _CX CPURegs.x.cx\r
+#define _DX CPURegs.x.dx\r
+\r
+#define _SI CPURegs.x.si\r
+\r
+#define _AH CPURegs.h.ah\r
+#define _AL CPURegs.h.al\r
+#define _BH CPURegs.h.bh\r
+#define _BL CPURegs.h.bl\r
+#define _CH CPURegs.h.ch\r
+#define _CL CPURegs.h.cl\r
+#define _DH CPURegs.h.dh\r
+#define _DL CPURegs.h.dl\r
+\r
+#ifdef __WATCOMC__\r
+#define geninterrupt(n) int86(n,&CPURegs,&CPURegs);\r
+#endif\r
+\r
static char *ParmStrings[] = {"nomain","noems","noxms",nil};\r
\r
/////////////////////////////////////////////////////////////////////////////\r
byte\r
PML_MapEMS(word logical, byte physical, global_game_variables_t *gvar)\r
{\r
- byte str[160];\r
+ byte err=0, str[160];\r
unsigned EMShandle;\r
- byte err;\r
+ //int i;\r
+\r
boolean errorflag=false;\r
- int i;\r
EMShandle=gvar->pm.emm.EMSHandle;\r
\r
__asm {\r
mov dx,EMShandle\r
int EMS_INT\r
or ah,ah\r
- jnz error\r
- jmp End\r
+ jnz errorme\r
+ jmp Endme\r
#ifdef __BORLANDC__\r
}\r
#endif\r
- error:\r
+ errorme:\r
#ifdef __BORLANDC__\r
__asm {\r
#endif\r
#ifdef __BORLANDC__\r
}\r
#endif\r
- End:\r
+ Endme:\r
#ifdef __WATCOMC__\r
}\r
#endif\r
PML_StartupEMS(global_game_variables_t *gvar)\r
{\r
int i;\r
- long size;\r
- byte str[160];\r
- byte err;\r
+ //long size;\r
+ byte err=0, str[64];\r
\r
- boolean errorflag=0;\r
+ boolean errorflag=false;\r
static char emmname[] = "EMMXXXX0"; //fix by andrius4669\r
unsigned int EMSVer = 0;\r
- unsigned totalEMSpages,freeEMSpages,EMSPageFrame,EMSHandle,EMSAvail;\r
+ unsigned totalEMSpages,freeEMSpages,EMSPageFrame,EMSHandle=0,EMSAvail=0;\r
totalEMSpages = freeEMSpages = EMSPageFrame = 0;\r
- EMSPresent = false; // Assume that we'll fail\r
+ gvar->pm.emm.EMSPresent = false; // Assume that we'll fail\r
gvar->pm.emm.EMSAvail = 0;\r
+ gvar->mmi.EMSmem = 0;\r
\r
__asm {\r
mov dx,OFFSET emmname //fix by andrius4669\r
mov ax,0x3d00\r
- int EMS_INT // try to open EMMXXXX0 device\r
+ int EMM_INT // try to open EMMXXXX0 device\r
jc error1\r
\r
mov bx,ax\r
mov ax,0x4400\r
\r
- int EMS_INT // get device info\r
+ int EMM_INT // get device info\r
jc error1\r
\r
and dx,0x80\r
\r
mov ax,0x4407\r
\r
- int EMS_INT // get status\r
+ int EMM_INT // get status\r
jc error1\r
or al,al\r
jz error1\r
\r
mov ah,0x3e\r
- int EMS_INT // close handle\r
+ int EMM_INT // close handle\r
jc error1\r
\r
mov ah,EMS_STATUS\r
#ifdef __WATCOMC__\r
}\r
#endif\r
+/*\r
if(errorflag==false)\r
{\r
// Don't hog all available EMS\r
gvar->pm.emm.EMSAvail = size / EMSPageSize;\r
}\r
}\r
-\r
+*/\r
__asm {\r
mov ah,EMS_ALLOCPAGES\r
mov bx,[EMSAvail];\r
\r
if(errorflag==false)\r
{\r
- gvar->mmi.EMSmem += gvar->pm.emm.EMSAvail * (long)EMSPageSize;\r
+ gvar->mmi.EMSmem = EMSAvail * (dword)EMSPageSize;\r
\r
// Initialize EMS mapping cache\r
for (i = 0;i < EMSFrameCount;i++)\r
strcpy(str,"PML_StartupEMS: EMS error ");\r
MM_EMSerr(str, err);\r
printf("%s\n",str);\r
- return(EMSPresent);\r
+ return(gvar->pm.emm.EMSPresent);\r
}\r
\r
- EMSPresent = true; // We have EMS\r
+ gvar->pm.emm.EMSPresent = true; // We have EMS\r
gvar->pm.emm.EMSPageFrame = EMSPageFrame;\r
gvar->pm.emm.EMSAvail = EMSAvail;\r
gvar->pm.emm.EMSVer = EMSVer;\r
gvar->pm.emm.EMSHandle = EMSHandle;\r
+ gvar->pm.emm.freeEMSpages = freeEMSpages;\r
+ gvar->pm.emm.totalEMSpages = totalEMSpages;\r
\r
- return(EMSPresent);\r
+ return(gvar->pm.emm.EMSPresent);\r
}\r
\r
//\r
PML_ShutdownEMS(global_game_variables_t *gvar)\r
{\r
word EMSHandle;\r
+ byte err=0, str[64];\r
+\r
+ boolean errorflag=false;\r
EMSHandle=gvar->pm.emm.EMSHandle;\r
\r
- if (EMSPresent)\r
+ if (gvar->pm.emm.EMSPresent)\r
{\r
__asm {\r
mov ah,EMS_FREEPAGES\r
mov dx,[EMSHandle]\r
int EMS_INT\r
+ jc errores\r
+ jmp Endes\r
+#ifdef __BORLANDC__\r
}\r
- if (_AH)\r
+#endif\r
+ errores:\r
+#ifdef __BORLANDC__\r
+ __asm {\r
+#endif\r
+ mov err,ah\r
+ mov errorflag,1\r
+ jmp Endes\r
+#ifdef __BORLANDC__\r
+ }\r
+#endif\r
+ Endes:\r
+#ifdef __WATCOMC__\r
+ }\r
+#endif\r
+ if(errorflag==true)\r
{\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
//return;\r
}\r
boolean\r
PML_StartupXMS(global_game_variables_t *gvar)\r
{\r
- XMSPresent = false; // Assume failure\r
- gvar->pm.xmm.XMSAvail = 0;\r
-\r
- _AX=0x4300;\r
- geninterrupt(XMS_INT); // Check for presence of XMS driver\r
- if (_AL != 0x80)\r
- goto error;\r
-\r
+//TODO: translate the _REG into working assembly\r
+//#define STARTUPXMSASM\r
+ byte err;\r
+ word XMSAvail, XMSHandle;//, XMSVer;\r
+ boolean errorflag=false;\r
+ word e=0;\r
+ gvar->pm.xmm.XMSPresent = false; // Assume failure\r
+ XMSAvail = gvar->mmi.XMSmem = 0;\r
\r
__asm {\r
+ mov ax,0x4300\r
+ int XMS_INT // Check for presence of XMS driver\r
+ cmp al,0x80\r
+ jne error1\r
+ mov e,1\r
+\r
mov ax,0x4310\r
int XMS_INT // Get address of XMS driver\r
mov [WORD PTR XMSDriver],bx\r
mov [WORD PTR XMSDriver+2],es // function pointer to XMS driver\r
- }\r
\r
+ mov ah,XMS_VERSION\r
+ call [DWORD PTR XMSDriver] //; Get XMS Version Number\r
+ mov [XMSVer],ax\r
+ mov e,2\r
+\r
+#ifdef STARTUPXMSASM\r
+ mov ah,XMS_QUERYFREE // Find out how much XMS is available\r
+ call [DWORD PTR XMSDriver]\r
+ mov XMSAvail,ax\r
+ or ax,ax // AJR: bugfix 10/8/92\r
+ jz error1\r
+ mov e,3\r
+#endif\r
+ jmp End1\r
+#ifdef __BORLANDC__\r
+ }\r
+#endif\r
+ error1:\r
+#ifdef __BORLANDC__\r
+ __asm {\r
+#endif\r
+ mov err,bl\r
+ mov errorflag,1\r
+ jmp End1\r
+#ifdef __BORLANDC__\r
+ }\r
+#endif\r
+End1:\r
+#ifdef __WATCOMC__\r
+ }\r
+#endif\r
+ if(errorflag==true) goto error;\r
+#ifndef STARTUPXMSASM\r
XMS_CALL(XMS_QUERYFREE); // Find out how much XMS is available\r
- gvar->pm.xmm.XMSAvail = _AX;\r
+ XMSAvail = _AX;\r
if (!_AX) // AJR: bugfix 10/8/92\r
+ {\r
+ errorflag = true;\r
+ err = _BL;\r
goto error;\r
+ }\r
+ e++;\r
+#endif\r
\r
- gvar->pm.xmm.XMSAvail &= ~(PMPageSizeKB - 1); // Round off to nearest page size\r
- if (gvar->pm.xmm.XMSAvail < (PMPageSizeKB * 2)) // Need at least 2 pages\r
+#ifdef __DEBUG_PM__\r
+ printf("XMSVer=%02X ", XMSVer);\r
+ printf("XMSAvail=%u\n", XMSAvail);\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
+ errorflag=true;\r
goto error;\r
-\r
- _DX = gvar->pm.xmm.XMSAvail;\r
+ }\r
+#ifdef STARTUPXMSASM\r
+ __asm {\r
+ mov dx,XMSAvail\r
+ mov ah,XMS_ALLOC // And do the allocation\r
+ call [DWORD PTR XMSDriver]\r
+ mov XMSHandle,dx\r
+ or ax,ax // AJR: bugfix 10/8/92\r
+ jz error2\r
+ mov e,4\r
+ jmp End2\r
+#ifdef __BORLANDC__\r
+ }\r
+#endif\r
+ error2:\r
+#ifdef __BORLANDC__\r
+ __asm {\r
+#endif\r
+ mov err,bl\r
+ mov errorflag,1\r
+ jmp End2\r
+#ifdef __BORLANDC__\r
+ }\r
+#endif\r
+End2:\r
+#ifdef __WATCOMC__\r
+ }\r
+#endif\r
+#else\r
+ _DX = XMSAvail;\r
XMS_CALL(XMS_ALLOC); // And do the allocation\r
- gvar->pm.xmm.XMSHandle = _DX;\r
-\r
+ XMSHandle = _DX;\r
if (!_AX) // AJR: bugfix 10/8/92\r
{\r
- gvar->pm.xmm.XMSAvail = 0;\r
+ errorflag=true;\r
+ err = _BL;\r
goto error;\r
}\r
-\r
- gvar->mmi.XMSmem += gvar->pm.xmm.XMSAvail * 1024;\r
-\r
- XMSPresent = true;\r
+ e++;\r
+#endif\r
error:\r
- return(XMSPresent);\r
+ if(errorflag==false)\r
+ {\r
+ gvar->mmi.XMSmem = (dword)(XMSAvail) * 1024;\r
+ gvar->pm.xmm.XMSAvail = XMSAvail;\r
+ gvar->pm.xmm.XMSHandle = XMSHandle;\r
+ //gvar->pm.xmm.XMSVer = XMSVer;\r
+ gvar->pm.xmm.XMSPresent = true;\r
+#ifdef __DEBUG_PM__\r
+ printf(" XMSmem=%lu XMSAvail=%u\n", gvar->mmi.XMSmem, XMSAvail);\r
+#endif\r
+ }\r
+ else\r
+ {\r
+#ifdef __DEBUG_PM__\r
+ //printf("XMSHandle\n");\r
+ //printf(" 1=%u 2=%u 3=%u 4=%u\n", XMSHandle1, XMSHandle2, XMSHandle3, XMSHandle4);\r
+ //printf(" 2=%u ", XMSHandle);\r
+ //printf(" %u", gvar->pm.xmm.XMSHandle);\r
+ printf(" err=%02X e=%u\n", err, e);\r
+#endif\r
+ }\r
+ return(gvar->pm.xmm.XMSPresent);\r
}\r
\r
//\r
void\r
PML_ShutdownXMS(global_game_variables_t *gvar)\r
{\r
- if (XMSPresent)\r
+ boolean errorflag=false;\r
+ word XMSHandle = gvar->pm.xmm.XMSHandle;\r
+ if (gvar->pm.xmm.XMSPresent)\r
{\r
- _DX = gvar->pm.xmm.XMSHandle;\r
- XMS_CALL(XMS_FREE);\r
- if (_BL)\r
+ __asm {\r
+ mov dx,[XMSHandle]\r
+ //XMS_CALL(XMS_FREE);\r
+ mov ah,XMS_FREE\r
+ call [DWORD PTR XMSDriver]\r
+ or bl,bl\r
+ jz errorxs\r
+ jmp Endxs\r
+#ifdef __BORLANDC__\r
+ }\r
+#endif\r
+ errorxs:\r
+#ifdef __BORLANDC__\r
+ __asm {\r
+#endif\r
+ //mov err,ah\r
+ mov errorflag,1\r
+ jmp Endxs\r
+#ifdef __BORLANDC__\r
+ }\r
+#endif\r
+ Endxs:\r
+#ifdef __WATCOMC__\r
+ }\r
+#endif\r
+ if(errorflag==true)\r
{\r
Quit("PML_ShutdownXMS: Error freeing XMS");\r
//return;\r
{\r
int i;\r
\r
- if(MainPresent)\r
+ if(gvar->pm.mm.MainPresent)\r
for (i = 0;i < PMMaxMainMem;i++)\r
{\r
#ifdef __DEBUG_PM__\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
printf("& %Fp, %Fp\n", &gvar->pm.mm.MainMemPages[i], &(gvar->pm.mm.MainMemPages[i]));\r
- //MM_ShowMemory(gvar);\r
- //MM_DumpData(gvar);\r
- //MM_Report_(gvar);\r
#endif\r
if (gvar->pm.mm.MainMemPages[i])\r
MM_SetPurge(&(gvar->pm.mm.MainMemPages[i]),level, gvar);\r
\r
else\r
{\r
- printf("MainPresent IS NULL\n");\r
- printf("%x ", MainPresent);\r
- exit(-4);\r
+ Quit("MainPresent IS NULL\n");\r
}\r
}\r
\r
PMBlockAttr *used;\r
PageListStruct far *page;\r
\r
- if (!MainPresent)\r
+ if (!gvar->pm.mm.MainPresent)\r
return;\r
\r
for (i = 0,page = gvar->pm.PMPages;i < gvar->pm.fi.ChunksInFile;i++,page++)\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
- MainPresent = false;\r
+ gvar->pm.mm.MainPresent = false;\r
MM_BombOnError(false, gvar);\r
- printf("PML_StartupMainMem()\n");\r
- printf(" p=%04x MainMemPages=%04x\n", p, gvar->pm.mm.MainMemPages);\r
- printf(" p=%Fp MainMemPages=%Fp\n", p, gvar->pm.mm.MainMemPages);\r
for (i = 0,p = gvar->pm.mm.MainMemPages;i < PMMaxMainMem;i++,p++)\r
{\r
MM_GetPtr(p,PMPageSize, gvar);\r
Quit("PM_SetupMainMem: Not enough main memory");\r
//return;\r
}\r
- MainPresent = true;\r
+ gvar->pm.mm.MainPresent = true;\r
}\r
\r
//\r
int usexms;\r
PageListStruct far *page;\r
\r
- if (!XMSPresent)\r
+ if (!gvar->pm.xmm.XMSPresent)\r
return;\r
\r
page = &gvar->pm.PMPages[pagenum];\r
PageListStruct far *page;\r
\r
page = &gvar->pm.PMPages[pagenum];\r
- if (XMSPresent && (page->xmsPage != -1))\r
+ if (gvar->pm.xmm.XMSPresent && (page->xmsPage != -1))\r
{\r
gvar->pm.xmm.XMSProtectPage = pagenum;\r
checkaddr = PML_GetAPageBuffer(pagenum,mainonly, gvar);\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
boolean nomain,noems,noxms;\r
int i;\r
\r
- if (PMStarted)\r
- {\r
- printf("pee\n");\r
+ if (gvar->pm.PMStarted)\r
return;\r
- }\r
\r
- strcat(&(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
}\r
\r
- PML_OpenPageFile(gvar);\r
+ //0000+=+=PML_OpenPageFile(gvar);\r
\r
- if (!noems)\r
+ if (!noems && MML_CheckForEMS())\r
PML_StartupEMS(gvar);\r
- if (!noxms)\r
+ if (!noxms && MML_CheckForXMS())\r
PML_StartupXMS(gvar);\r
+ if(!nomain)\r
+ PML_StartupMainMem(gvar);\r
\r
- if (nomain && !EMSPresent)\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
//return;\r
}\r
- printf("PML_StartupMainMem\n");\r
- PML_StartupMainMem(gvar);\r
\r
PM_Reset(gvar);\r
\r
- PMStarted = true;\r
+ gvar->pm.PMStarted = true;\r
}\r
\r
//\r
void\r
PM_Shutdown(global_game_variables_t *gvar)\r
{\r
- PML_ShutdownXMS(gvar);\r
- PML_ShutdownEMS(gvar);\r
+ if(MML_CheckForXMS()) PML_ShutdownXMS(gvar);\r
+ if(MML_CheckForEMS()) PML_ShutdownEMS(gvar);\r
\r
- if (!PMStarted)\r
+ if (!gvar->pm.PMStarted)\r
return;\r
\r
- PML_ClosePageFile(gvar);\r
+ //PML_ClosePageFile(gvar);\r
\r
PML_ShutdownMainMem(gvar);\r
}\r
projects / 16.git / blobdiff