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Implemented Int 0x15/0xc0: BIOS - GET CONFIG and some other BIOS
data.
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94e4485bff
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@ -15,7 +15,9 @@
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extern int DOSCONF_ReadConfig(void);
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/* msdos/dosmem.c */
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extern HANDLE16 DOSMEM_BiosSeg;
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extern HANDLE16 DOSMEM_BiosDataSeg;
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extern HANDLE16 DOSMEM_BiosSysSeg;
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extern DWORD DOSMEM_CollateTable;
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extern DWORD DOSMEM_ErrorCall;
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@ -138,9 +138,9 @@ BOOL32 WINAPI MAIN_KernelInit(HINSTANCE32 hinstDLL, DWORD fdwReason, LPVOID lpvR
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SET_ENTRY_POINT( 195, 0xc0000 ); /* KERNEL.195: __C000H */
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SET_ENTRY_POINT( 179, 0xd0000 ); /* KERNEL.179: __D000H */
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SET_ENTRY_POINT( 190, 0xe0000 ); /* KERNEL.190: __E000H */
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SET_ENTRY_POINT( 173, 0xf0000 ); /* KERNEL.173: __ROMBIOS */
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SET_ENTRY_POINT( 194, 0xf0000 ); /* KERNEL.194: __F000H */
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NE_SetEntryPoint( hModule, 193, DOSMEM_BiosSeg ); /* KERNEL.193: __0040H */
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NE_SetEntryPoint( hModule, 173, DOSMEM_BiosSysSeg ); /* KERNEL.173: __ROMBIOS */
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NE_SetEntryPoint( hModule, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
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NE_SetEntryPoint( hModule, 194, DOSMEM_BiosSysSeg ); /* KERNEL.194: __F000H */
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#undef SET_ENTRY_POINT
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}
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@ -65,7 +65,7 @@ static BOOL32 INSTR_ReplaceSelector( SIGCONTEXT *context, WORD *sel )
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static WORD sys_timer = 0;
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if (!sys_timer)
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sys_timer = CreateSystemTimer( 55, DOSMEM_Tick );
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*sel = DOSMEM_BiosSeg;
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*sel = DOSMEM_BiosDataSeg;
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return TRUE;
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}
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return FALSE; /* Can't replace selector, crashdump */
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@ -18,7 +18,8 @@
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#include "task.h"
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#include "debug.h"
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HANDLE16 DOSMEM_BiosSeg; /* BIOS data segment at 0x40:0 */
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HANDLE16 DOSMEM_BiosDataSeg; /* BIOS data segment at 0x40:0 */
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HANDLE16 DOSMEM_BiosSysSeg; /* BIOS ROM segment at 0xf000:0 */
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#pragma pack(1)
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@ -199,13 +200,16 @@ static void DOSMEM_InitDPMI(void)
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}
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/***********************************************************************
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* DOSMEM_FillBiosSegment
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* DOSMEM_FillBiosSegments
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*
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* Fill the BIOS data segment with dummy values.
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*/
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static void DOSMEM_FillBiosSegment(void)
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static void DOSMEM_FillBiosSegments(void)
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{
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pBiosData = (BIOSDATA *)GlobalLock16( DOSMEM_BiosSeg );
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BYTE *pBiosSys = (BYTE *)GlobalLock16( DOSMEM_BiosSysSeg );
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BYTE *pBiosROMTable = pBiosSys+0xe6f5;
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pBiosData = (BIOSDATA *)GlobalLock16( DOSMEM_BiosDataSeg );
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/* Clear all unused values */
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memset( pBiosData, 0, sizeof(*pBiosData) );
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@ -229,6 +233,23 @@ static void DOSMEM_FillBiosSegment(void)
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pBiosData->NbHardDisks = 2;
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pBiosData->KbdBufferStart = 0x1e;
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pBiosData->KbdBufferEnd = 0x3e;
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/* fill ROM configuration table (values from Award) */
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*(WORD *)(pBiosROMTable)= 0x08; /* number of bytes following */
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*(pBiosROMTable+0x2) = 0xfc; /* model */
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*(pBiosROMTable+0x3) = 0x01; /* submodel */
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*(pBiosROMTable+0x4) = 0x00; /* BIOS revision */
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*(pBiosROMTable+0x5) = 0x74; /* feature byte 1 */
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*(pBiosROMTable+0x6) = 0x00; /* feature byte 2 */
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*(pBiosROMTable+0x7) = 0x00; /* feature byte 3 */
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*(pBiosROMTable+0x8) = 0x00; /* feature byte 4 */
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*(pBiosROMTable+0x9) = 0x00; /* feature byte 5 */
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/* BIOS date string */
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strcpy((char *)pBiosSys+0xfff5, "13/01/99");
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/* BIOS ID */
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*(pBiosSys+0xfffe) = 0xfc;
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}
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/***********************************************************************
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@ -353,10 +374,12 @@ BOOL32 DOSMEM_Init(HMODULE16 hModule)
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WARN(dosmem, "Could not allocate DOS memory.\n" );
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return FALSE;
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}
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DOSMEM_BiosSeg = GLOBAL_CreateBlock(GMEM_FIXED,DOSMEM_dosmem+0x400,0x100,
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0, FALSE, FALSE, FALSE, NULL );
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DOSMEM_BiosDataSeg = GLOBAL_CreateBlock(GMEM_FIXED,DOSMEM_dosmem+0x400,
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0x100, 0, FALSE, FALSE, FALSE, NULL );
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DOSMEM_BiosSysSeg = GLOBAL_CreateBlock(GMEM_FIXED,DOSMEM_dosmem+0xf0000,
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0x10000, 0, FALSE, FALSE, FALSE, NULL );
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DOSMEM_FillIsrTable(0);
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DOSMEM_FillBiosSegment();
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DOSMEM_FillBiosSegments();
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DOSMEM_InitMemory(0);
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DOSMEM_InitCollateTable();
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DOSMEM_InitErrorTable();
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@ -21,6 +21,16 @@ void WINAPI INT_Int15Handler( CONTEXT *context )
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RESET_CFLAG(context);
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break;
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case 0xc0: /* GET CONFIGURATION */
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if (ISV86(context)) /* real */
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ES_reg(context) = 0xf000;
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else
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ES_reg(context) = DOSMEM_BiosSysSeg;
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BX_reg(context) = 0xe6f5;
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AH_reg(context) = 0x0;
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RESET_CFLAG(context);
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break;
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default:
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INT_BARF( context, 0x15 );
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}
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