#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
// XMS specific variables\r
//boolean XMSPresent;\r
//word gvar->pm.xmm.XMSAvail,gvar->pm.xmm.XMSPagesAvail,gvar->pm.xmm.XMSHandle;\r
- dword XMSDriver;\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
PageListStruct far *gvar->pm.PMPages,\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
PML_StartupEMS(global_game_variables_t *gvar)\r
{\r
int i;\r
- long size;\r
- byte str[64];\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
gvar->pm.emm.EMSPresent = false; // Assume that we'll fail\r
gvar->pm.emm.EMSAvail = 0;\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
PML_ShutdownEMS(global_game_variables_t *gvar)\r
{\r
word EMSHandle;\r
- byte err;\r
- byte str[64];\r
- boolean errorflag=false;\r
+ byte err=0, str[64];\r
\r
+ boolean errorflag=false;\r
EMSHandle=gvar->pm.emm.EMSHandle;\r
\r
if (gvar->pm.emm.EMSPresent)\r
boolean\r
PML_StartupXMS(global_game_variables_t *gvar)\r
{\r
- boolean errorflag;\r
- word XMSAvail, XMSHandle;\r
- errorflag=gvar->pm.xmm.XMSPresent = false; // Assume failure\r
- gvar->pm.xmm.XMSAvail = gvar->mmi.XMSmem = 0;\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 errorxu\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
- //XMS_CALL(XMS_QUERYFREE); // Find out how much XMS is available\r
- mov ah,XMS_QUERYFREE\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
+ mov XMSAvail,ax\r
or ax,ax // AJR: bugfix 10/8/92\r
- jz errorxu\r
- jmp Endxu\r
+ jz error1\r
+ mov e,3\r
+#endif\r
+ jmp End1\r
#ifdef __BORLANDC__\r
}\r
#endif\r
- errorxu:\r
+ error1:\r
#ifdef __BORLANDC__\r
__asm {\r
#endif\r
- //mov err,ah\r
+ mov err,bl\r
mov errorflag,1\r
- jmp Endxu\r
+ jmp End1\r
#ifdef __BORLANDC__\r
}\r
#endif\r
- Endxu:\r
+End1:\r
#ifdef __WATCOMC__\r
}\r
#endif\r
- XMSAvail &= ~(PMPageSizeKB - 1); // Round off to nearest page size\r
- if (XMSAvail < (PMPageSizeKB * 2)){ // Need at least 2 pages\r
- printf("PISS! %u\n", XMSAvail);\r
+ if(errorflag==true) goto error;\r
+#ifndef STARTUPXMSASM\r
+ XMS_CALL(XMS_QUERYFREE); // Find out how much XMS is available\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
+#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
+#ifdef STARTUPXMSASM\r
__asm {\r
- mov dx,[XMSAvail]\r
- //XMS_CALL(XMS_ALLOC); // And do the allocation\r
- mov ah,XMS_ALLOC\r
- call [WORD PTR XMSDriver]\r
- mov [XMSHandle],dx\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 errorxuu\r
- jmp Endxuu\r
+ jz error2\r
+ mov e,4\r
+ jmp End2\r
#ifdef __BORLANDC__\r
- }\r
+ }\r
#endif\r
- errorxuu:\r
+ error2:\r
#ifdef __BORLANDC__\r
__asm {\r
#endif\r
- //mov err,ah\r
- mov [XMSAvail],0\r
+ mov err,bl\r
mov errorflag,1\r
- jmp Endxuu\r
+ jmp End2\r
#ifdef __BORLANDC__\r
}\r
#endif\r
- Endxuu:\r
+End2:\r
#ifdef __WATCOMC__\r
}\r
#endif\r
-\r
+#else\r
+ _DX = XMSAvail;\r
+ XMS_CALL(XMS_ALLOC); // And do the allocation\r
+ XMSHandle = _DX;\r
+ if (!_AX) // AJR: bugfix 10/8/92\r
+ {\r
+ errorflag=true;\r
+ err = _BL;\r
+ goto error;\r
+ }\r
+ e++;\r
+#endif\r
+error:\r
if(errorflag==false)\r
{\r
+ gvar->mmi.XMSmem = (dword)(XMSAvail) * 1024;\r
gvar->pm.xmm.XMSAvail = XMSAvail;\r
- gvar->mmi.XMSmem += gvar->pm.xmm.XMSAvail * (dword)1024;\r
gvar->pm.xmm.XMSHandle = XMSHandle;\r
-\r
+ //gvar->pm.xmm.XMSVer = XMSVer;\r
gvar->pm.xmm.XMSPresent = true;\r
- printf(" %u %u %u\n", gvar->mmi.XMSmem, gvar->pm.xmm.XMSAvail, XMSAvail);\r
- getch();\r
- }else printf(" errorflag\n");\r
-error:\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
mov dx,[XMSHandle]\r
//XMS_CALL(XMS_FREE);\r
mov ah,XMS_FREE\r
- call [WORD PTR XMSDriver]\r
+ call [DWORD PTR XMSDriver]\r
or bl,bl\r
jz errorxs\r
jmp Endxs\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
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
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 (!noems && MML_CheckForEMS())\r
PML_StartupEMS(gvar);\r
- if (!noxms && MML_CheckForXMS(gvar))\r
+ if (!noxms && MML_CheckForXMS())\r
PML_StartupXMS(gvar);\r
+ if(!nomain)\r
+ PML_StartupMainMem(gvar);\r
\r
- if (!nomain && !gvar->pm.emm.EMSPresent)\r
+ if (!gvar->pm.mm.MainPresent && !gvar->pm.emm.EMSPresent && !gvar->pm.xmm.XMSPresent)\r
{\r
- printf("PM_Startup: No main or EMS\n");\r
- exit(-5);\r
+ Quit("PM_Startup: No main or EMS\n");\r
//return;\r
}\r
- PML_StartupMainMem(gvar);\r
\r
PM_Reset(gvar);\r
\r
void\r
PM_Shutdown(global_game_variables_t *gvar)\r
{\r
- if(MML_CheckForXMS(gvar)) PML_ShutdownXMS(gvar);\r
+ if(MML_CheckForXMS()) PML_ShutdownXMS(gvar);\r
if(MML_CheckForEMS()) PML_ShutdownEMS(gvar);\r
\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