Implemented Int 0x15/0xc0: BIOS - GET CONFIG and some other BIOS

include/miscemu.h

@@ -15,7 +15,9 @@
 extern int DOSCONF_ReadConfig(void);
 
 /* msdos/dosmem.c */
-extern HANDLE16 DOSMEM_BiosSeg;
+extern HANDLE16 DOSMEM_BiosDataSeg;
+extern HANDLE16 DOSMEM_BiosSysSeg;
+
 extern DWORD DOSMEM_CollateTable;
 
 extern DWORD DOSMEM_ErrorCall;

loader/main.c

@@ -138,9 +138,9 @@ BOOL32 WINAPI MAIN_KernelInit(HINSTANCE32 hinstDLL, DWORD fdwReason, LPVOID lpvR
         SET_ENTRY_POINT( 195, 0xc0000 );  /* KERNEL.195: __C000H */
         SET_ENTRY_POINT( 179, 0xd0000 );  /* KERNEL.179: __D000H */
         SET_ENTRY_POINT( 190, 0xe0000 );  /* KERNEL.190: __E000H */
-        SET_ENTRY_POINT( 173, 0xf0000 );  /* KERNEL.173: __ROMBIOS */
-        SET_ENTRY_POINT( 194, 0xf0000 );  /* KERNEL.194: __F000H */
-        NE_SetEntryPoint( hModule, 193, DOSMEM_BiosSeg ); /* KERNEL.193: __0040H */
+        NE_SetEntryPoint( hModule, 173, DOSMEM_BiosSysSeg );  /* KERNEL.173: __ROMBIOS */
+        NE_SetEntryPoint( hModule, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
+        NE_SetEntryPoint( hModule, 194, DOSMEM_BiosSysSeg );  /* KERNEL.194: __F000H */
 #undef SET_ENTRY_POINT
     }
 

miscemu/instr.c

@@ -65,7 +65,7 @@ static BOOL32 INSTR_ReplaceSelector( SIGCONTEXT *context, WORD *sel )
         static WORD sys_timer = 0;
         if (!sys_timer)
             sys_timer = CreateSystemTimer( 55, DOSMEM_Tick );
-        *sel = DOSMEM_BiosSeg;
+        *sel = DOSMEM_BiosDataSeg;
         return TRUE;
     }
     return FALSE;  /* Can't replace selector, crashdump */

msdos/dosmem.c

@@ -18,7 +18,8 @@
 #include "task.h"
 #include "debug.h"
 
-HANDLE16 DOSMEM_BiosSeg;  /* BIOS data segment at 0x40:0 */
+HANDLE16 DOSMEM_BiosDataSeg;  /* BIOS data segment at 0x40:0 */
+HANDLE16 DOSMEM_BiosSysSeg;   /* BIOS ROM segment at 0xf000:0 */
 
 #pragma pack(1)
 
@@ -199,13 +200,16 @@ static void DOSMEM_InitDPMI(void)
 }
 
 /***********************************************************************
- *           DOSMEM_FillBiosSegment
+ *           DOSMEM_FillBiosSegments
  *
  * Fill the BIOS data segment with dummy values.
  */
-static void DOSMEM_FillBiosSegment(void)
+static void DOSMEM_FillBiosSegments(void)
 {
-    pBiosData = (BIOSDATA *)GlobalLock16( DOSMEM_BiosSeg );
+    BYTE *pBiosSys = (BYTE *)GlobalLock16( DOSMEM_BiosSysSeg );
+    BYTE *pBiosROMTable = pBiosSys+0xe6f5;
+
+    pBiosData = (BIOSDATA *)GlobalLock16( DOSMEM_BiosDataSeg );
 
       /* Clear all unused values */
     memset( pBiosData, 0, sizeof(*pBiosData) );
@@ -229,6 +233,23 @@ static void DOSMEM_FillBiosSegment(void)
     pBiosData->NbHardDisks          = 2;
     pBiosData->KbdBufferStart       = 0x1e;
     pBiosData->KbdBufferEnd         = 0x3e;
+
+    /* fill ROM configuration table (values from Award) */
+    *(WORD *)(pBiosROMTable)= 0x08; /* number of bytes following */
+    *(pBiosROMTable+0x2)	= 0xfc; /* model */
+    *(pBiosROMTable+0x3)	= 0x01; /* submodel */
+    *(pBiosROMTable+0x4)	= 0x00; /* BIOS revision */
+    *(pBiosROMTable+0x5)	= 0x74; /* feature byte 1 */
+    *(pBiosROMTable+0x6)	= 0x00; /* feature byte 2 */
+    *(pBiosROMTable+0x7)	= 0x00; /* feature byte 3 */
+    *(pBiosROMTable+0x8)	= 0x00; /* feature byte 4 */
+    *(pBiosROMTable+0x9)	= 0x00; /* feature byte 5 */
+
+    /* BIOS date string */
+    strcpy((char *)pBiosSys+0xfff5, "13/01/99");
+
+    /* BIOS ID */
+    *(pBiosSys+0xfffe) = 0xfc;
 }
 
 /***********************************************************************
@@ -353,10 +374,12 @@ BOOL32 DOSMEM_Init(HMODULE16 hModule)
             WARN(dosmem, "Could not allocate DOS memory.\n" );
             return FALSE;
         }
-        DOSMEM_BiosSeg = GLOBAL_CreateBlock(GMEM_FIXED,DOSMEM_dosmem+0x400,0x100,
-                                        0, FALSE, FALSE, FALSE, NULL );
+        DOSMEM_BiosDataSeg = GLOBAL_CreateBlock(GMEM_FIXED,DOSMEM_dosmem+0x400,
+                                     0x100, 0, FALSE, FALSE, FALSE, NULL );
+        DOSMEM_BiosSysSeg = GLOBAL_CreateBlock(GMEM_FIXED,DOSMEM_dosmem+0xf0000,
+                                     0x10000, 0, FALSE, FALSE, FALSE, NULL );
         DOSMEM_FillIsrTable(0);
-        DOSMEM_FillBiosSegment();
+        DOSMEM_FillBiosSegments();
         DOSMEM_InitMemory(0);
         DOSMEM_InitCollateTable();
         DOSMEM_InitErrorTable();

msdos/int15.c

@@ -21,6 +21,16 @@ void WINAPI INT_Int15Handler( CONTEXT *context )
         RESET_CFLAG(context);
         break;
 
+    case 0xc0: /* GET CONFIGURATION */
+        if (ISV86(context)) /* real */
+            ES_reg(context) = 0xf000;
+        else
+            ES_reg(context) = DOSMEM_BiosSysSeg;
+        BX_reg(context) = 0xe6f5;
+        AH_reg(context) = 0x0;
+        RESET_CFLAG(context);
+        break;
+
     default:
         INT_BARF( context, 0x15 );
     }