]> 4ch.mooo.com Git - 16.git/blobdiff - src/lib/16_pm.c
updating copy left. i am super fuckin busy with school, and trying to get life back...
[16.git] / src / lib / 16_pm.c
index f4e150822cfcbd2de679684a4a82fa23705a2315..b52f6849987e01006fa972eacd302999a30e85ae 100755 (executable)
@@ -1,5 +1,5 @@
 /* Project 16 Source Code~\r
- * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
+ * Copyright (C) 2012-2019 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
  *\r
  * This file is part of Project 16.\r
  *\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
@@ -153,6 +131,9 @@ PML_MapEMS(word logical, byte physical, global_game_variables_t *gvar)
 //             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
@@ -164,7 +145,6 @@ PML_StartupEMS(global_game_variables_t *gvar)
        byte    err=0, str[64];\r
 \r
        boolean errorflag=false;\r
-       static char     emmname[] = "EMMXXXX0"; //fix by andrius4669\r
        unsigned        EMSVer;\r
        unsigned        totalEMSpages,freeEMSpages,EMSPageFrame,EMSHandle,EMSAvail;\r
        totalEMSpages = freeEMSpages = EMSPageFrame = EMSHandle = EMSAvail = EMSVer = 0;        // set all to 0~\r
@@ -172,31 +152,7 @@ PML_StartupEMS(global_game_variables_t *gvar)
        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
@@ -529,7 +485,6 @@ PML_XMSCopy(boolean toxms,byte far *addr,word xmspage,word length, global_game_v
        if (!addr)\r
        {\r
                Quit (gvar, "PML_XMSCopy: zero address\n");\r
-               //return;\r
        }\r
 \r
        xoffset = (dword)xmspage * PMPageSize;\r
@@ -643,8 +598,10 @@ PM_SetMainMemPurge(int level, global_game_variables_t *gvar)
        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
@@ -820,13 +777,13 @@ PML_ReadFromFile(byte far *buf,long offset,word length, global_game_variables_t
 //\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
@@ -845,14 +802,14 @@ PML_OpenPageFile(global_game_variables_t *gvar)
 \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 (gvar, "PML_OpenPageFile: Offset read failed");\r
@@ -861,7 +818,7 @@ PML_OpenPageFile(global_game_variables_t *gvar)
        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
@@ -874,7 +831,7 @@ PML_OpenPageFile(global_game_variables_t *gvar)
        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
@@ -887,10 +844,11 @@ PML_ClosePageFile(global_game_variables_t *gvar)
                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
@@ -1269,6 +1227,7 @@ if (!gvar->pm.PMPages[pagenum].offset)    // JDC: sparse page
                out     dx,al\r
                mov     al,0x20 // normal\r
                out     dx,al\r
+       }\r
 #endif\r
 \r
        return(result);\r
@@ -1441,7 +1400,7 @@ PM_NextFrame(global_game_variables_t *gvar)
                {\r
                        char buf[40];\r
                        sprintf(buf,"PM_NextFrame: Page %d is locked",i);\r
-                       Quit(gvar, buf);\r
+                       Quit (gvar, buf);\r
                }\r
        }\r
 //#endif\r
@@ -1553,7 +1512,7 @@ PM_Shutdown(global_game_variables_t *gvar)
        if (!gvar->pm.PMStarted)\r
                return;\r
 \r
-       //PML_ClosePageFile(gvar);\r
+       //0000+=+=PML_ClosePageFile(gvar);\r
 \r
        PML_ShutdownMainMem(gvar);\r
 }\r