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| 1063 | tullio | 1 | |
| 2 | /* |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 16 | * |
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| 17 | */ |
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| 18 | |||
| 2 | pj | 19 | #include <ll/i386/x-dos.h> |
| 80 | pj | 20 | #include "ll/sys/cdefs.h" |
| 21 | |||
| 22 | __BEGIN_DECLS |
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| 23 | |||
| 2 | pj | 24 | /****************************************************************************/ |
| 25 | /* DEFINIZIONE DEI TIPI */ |
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| 26 | /****************************************************************************/ |
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| 27 | |||
| 28 | typedef struct { /* Questa struttura ci serve per definire */ |
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| 29 | BYTE red, green, blue; /* la nostra palette. */ |
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| 30 | } TYPE_PALETTE; |
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| 31 | |||
| 32 | typedef TYPE_PALETTE palette[256]; |
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| 33 | |||
| 34 | /* |
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| 35 | Tipo VbeInfoBlock: in esso sono contenute tutte le caratteristiche del |
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| 36 | display grafico a nostra disposizione. |
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| 37 | */ |
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| 38 | typedef struct { |
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| 39 | unsigned char VbeSignature[4]; /* Deve essere 'VBE2' */ |
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| 40 | unsigned short int VbeVersion; /* Versione del driver */ |
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| 41 | unsigned short int OemNameOffset; /* Nome della scheda grafica */ |
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| 42 | unsigned short int OemNameSegment; |
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| 43 | unsigned char Capabilities[4]; /* Caratt. display grafico */ |
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| 44 | unsigned short int SupportedModesOffset; /* Puntatore alla lista dei modi */ |
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| 45 | unsigned short int SupportedModesSegment; /* supportati */ |
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| 46 | unsigned short int TotalMemory; /* Memoria a bordo della scheda*/ |
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| 47 | |||
| 48 | unsigned short int OemSoftwareRev; /* Livello revisione VBE */ |
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| 49 | unsigned short int OemVendorNameOffset; /* Nome del produttore */ |
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| 50 | unsigned short int OemVendorNameSegment; |
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| 51 | unsigned short int OemProductNameOffset; /* Nome del prodotto */ |
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| 52 | unsigned short int OemProductNameSegment; |
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| 53 | unsigned short int OemProductRevOffset; /* Livello revisione display */ |
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| 54 | unsigned short int OemProductRevSegment; |
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| 55 | |||
| 56 | unsigned char reserved[222]; /* Riservato */ |
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| 57 | unsigned char OemData[256]; |
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| 58 | } VbeInfoBlock; |
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| 59 | |||
| 60 | /* |
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| 61 | Tipo ModeInfoBlock: in esso sono contenute tutte le caratteristiche |
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| 62 | del modo grafico che vogliamo attivare. |
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| 63 | */ |
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| 64 | typedef struct { |
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| 65 | unsigned short int ModeAttributes; /* Specifiche del modo */ |
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| 66 | unsigned char WinAAttributes; /* Caratt. della window A */ |
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| 67 | unsigned char WinBAttributes; /* Caratt. della window B */ |
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| 1063 | tullio | 68 | unsigned short int WinGranularity; /* Granularit?-> window */ |
| 2 | pj | 69 | unsigned short int WinSize; /* Dimensione -> window */ |
| 70 | unsigned short int WinASegment; /* Indirizzo window A */ |
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| 71 | unsigned short int WinBSegment; /* Indirizzo window B */ |
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| 72 | void (*WPF) (signed long int page); /* Indirizzo funzione */ |
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| 73 | unsigned short int BytesPerScanLine; |
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| 74 | |||
| 75 | unsigned short int XResolution; /* Larghezza in pixel */ |
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| 76 | unsigned short int YResolution; /* Altezza in pixel */ |
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| 77 | unsigned char XCharSize; /* Larghezza carattere */ |
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| 78 | unsigned char YCharSize; /* Altezza carattere */ |
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| 79 | unsigned char NumberOfPlanes; /* Numero dei planes disponibili*/ |
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| 80 | unsigned char BitsPerPixel; /* Num. bit per ogni pixel */ |
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| 81 | unsigned char NumberOfBanks; /* Num. dei banchi presenti*/ |
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| 82 | unsigned char MemoryModel; /* Tipo di memoria utilizzato*/ |
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| 83 | unsigned char BankSize; /* Dimensione di ogni banco*/ |
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| 84 | unsigned char NumberOfImagePages; /* Num. -1 di schermate */ |
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| 85 | unsigned char Reserved; /* Riservato */ |
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| 86 | |||
| 87 | unsigned char RedMaskSize; /* Maschera per rosso */ |
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| 88 | unsigned char RedFieldPosition; /* Posizione bit rosso */ |
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| 89 | unsigned char GreenMaskSize; /* Maschera per verde */ |
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| 90 | unsigned char GreenFieldPosition; /* Posizione bit verde */ |
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| 91 | unsigned char BlueMaskSize; /* Maschera per blu */ |
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| 92 | unsigned char BlueFieldPosition; /* Posizione bit blu */ |
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| 93 | unsigned char RsvdMaskSize; |
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| 94 | unsigned char RsvdFieldPosition; |
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| 95 | unsigned char DirectColorModeInfo; /* Caratt. colori modo diretto*/ |
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| 96 | |||
| 97 | unsigned long int PhysBasePtr; /* Linear Frame Buffer */ |
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| 98 | unsigned long int OffScreenMemoryOffset; /* Offset mem. "fuori schermo"*/ |
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| 99 | unsigned long int OffScreenMemSize; /* Mem. disponibile "" ""*/ |
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| 100 | unsigned char Reserved2 [206]; /* Riservato */ |
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| 101 | } ModeInfoBlock; |
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| 102 | |||
| 103 | /****************************************************************************/ |
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| 104 | /* PROTOTYPES */ |
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| 105 | /****************************************************************************/ |
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| 106 | |||
| 107 | int vbe_getinfo(void); |
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| 108 | int vbe_check_id(void); |
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| 109 | void vbe_showinfo(void); |
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| 110 | DWORD vbe_getmodeinfo(ModeInfoBlock *ModeInfo, WORD Vbe_Mode); |
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| 111 | int vbe_setmode (WORD Vbe_Mode); |
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| 112 | WORD vbe_getbpr(ModeInfoBlock *ModeInfo); |
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| 113 | DWORD vbe_getflb(void); |
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| 114 | int vbe_setbank(ModeInfoBlock *ModeInfo, BYTE bank); |
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| 115 | void vbe_showmodeinfo (ModeInfoBlock *ModeInfo); |
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| 116 | int vbe_checkmode(WORD mode); |
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| 117 | |||
| 118 | DWORD vbe_getmem(void); |
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| 80 | pj | 119 | __END_DECLS |