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| Rev | Author | Line No. | Line |
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| 2 | pj | 1 | #include <ll/i386/x-dos.h> |
| 80 | pj | 2 | #include "ll/sys/cdefs.h" |
| 3 | |||
| 4 | __BEGIN_DECLS |
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| 5 | |||
| 2 | pj | 6 | /****************************************************************************/ |
| 7 | /* DEFINIZIONE DEI TIPI */ |
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| 8 | /****************************************************************************/ |
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| 9 | |||
| 10 | typedef struct { /* Questa struttura ci serve per definire */ |
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| 11 | BYTE red, green, blue; /* la nostra palette. */ |
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| 12 | } TYPE_PALETTE; |
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| 13 | |||
| 14 | typedef TYPE_PALETTE palette[256]; |
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| 15 | |||
| 16 | /* |
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| 17 | Tipo VbeInfoBlock: in esso sono contenute tutte le caratteristiche del |
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| 18 | display grafico a nostra disposizione. |
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| 19 | */ |
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| 20 | typedef struct { |
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| 21 | unsigned char VbeSignature[4]; /* Deve essere 'VBE2' */ |
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| 22 | unsigned short int VbeVersion; /* Versione del driver */ |
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| 23 | unsigned short int OemNameOffset; /* Nome della scheda grafica */ |
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| 24 | unsigned short int OemNameSegment; |
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| 25 | unsigned char Capabilities[4]; /* Caratt. display grafico */ |
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| 26 | unsigned short int SupportedModesOffset; /* Puntatore alla lista dei modi */ |
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| 27 | unsigned short int SupportedModesSegment; /* supportati */ |
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| 28 | unsigned short int TotalMemory; /* Memoria a bordo della scheda*/ |
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| 29 | |||
| 30 | unsigned short int OemSoftwareRev; /* Livello revisione VBE */ |
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| 31 | unsigned short int OemVendorNameOffset; /* Nome del produttore */ |
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| 32 | unsigned short int OemVendorNameSegment; |
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| 33 | unsigned short int OemProductNameOffset; /* Nome del prodotto */ |
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| 34 | unsigned short int OemProductNameSegment; |
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| 35 | unsigned short int OemProductRevOffset; /* Livello revisione display */ |
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| 36 | unsigned short int OemProductRevSegment; |
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| 37 | |||
| 38 | unsigned char reserved[222]; /* Riservato */ |
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| 39 | unsigned char OemData[256]; |
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| 40 | } VbeInfoBlock; |
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| 41 | |||
| 42 | /* |
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| 43 | Tipo ModeInfoBlock: in esso sono contenute tutte le caratteristiche |
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| 44 | del modo grafico che vogliamo attivare. |
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| 45 | */ |
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| 46 | typedef struct { |
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| 47 | unsigned short int ModeAttributes; /* Specifiche del modo */ |
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| 48 | unsigned char WinAAttributes; /* Caratt. della window A */ |
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| 49 | unsigned char WinBAttributes; /* Caratt. della window B */ |
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| 50 | unsigned short int WinGranularity; /* Granularit… -> window */ |
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| 51 | unsigned short int WinSize; /* Dimensione -> window */ |
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| 52 | unsigned short int WinASegment; /* Indirizzo window A */ |
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| 53 | unsigned short int WinBSegment; /* Indirizzo window B */ |
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| 54 | void (*WPF) (signed long int page); /* Indirizzo funzione */ |
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| 55 | unsigned short int BytesPerScanLine; |
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| 56 | |||
| 57 | unsigned short int XResolution; /* Larghezza in pixel */ |
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| 58 | unsigned short int YResolution; /* Altezza in pixel */ |
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| 59 | unsigned char XCharSize; /* Larghezza carattere */ |
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| 60 | unsigned char YCharSize; /* Altezza carattere */ |
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| 61 | unsigned char NumberOfPlanes; /* Numero dei planes disponibili*/ |
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| 62 | unsigned char BitsPerPixel; /* Num. bit per ogni pixel */ |
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| 63 | unsigned char NumberOfBanks; /* Num. dei banchi presenti*/ |
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| 64 | unsigned char MemoryModel; /* Tipo di memoria utilizzato*/ |
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| 65 | unsigned char BankSize; /* Dimensione di ogni banco*/ |
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| 66 | unsigned char NumberOfImagePages; /* Num. -1 di schermate */ |
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| 67 | unsigned char Reserved; /* Riservato */ |
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| 68 | |||
| 69 | unsigned char RedMaskSize; /* Maschera per rosso */ |
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| 70 | unsigned char RedFieldPosition; /* Posizione bit rosso */ |
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| 71 | unsigned char GreenMaskSize; /* Maschera per verde */ |
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| 72 | unsigned char GreenFieldPosition; /* Posizione bit verde */ |
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| 73 | unsigned char BlueMaskSize; /* Maschera per blu */ |
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| 74 | unsigned char BlueFieldPosition; /* Posizione bit blu */ |
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| 75 | unsigned char RsvdMaskSize; |
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| 76 | unsigned char RsvdFieldPosition; |
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| 77 | unsigned char DirectColorModeInfo; /* Caratt. colori modo diretto*/ |
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| 78 | |||
| 79 | unsigned long int PhysBasePtr; /* Linear Frame Buffer */ |
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| 80 | unsigned long int OffScreenMemoryOffset; /* Offset mem. "fuori schermo"*/ |
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| 81 | unsigned long int OffScreenMemSize; /* Mem. disponibile "" ""*/ |
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| 82 | unsigned char Reserved2 [206]; /* Riservato */ |
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| 83 | } ModeInfoBlock; |
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| 84 | |||
| 85 | /****************************************************************************/ |
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| 86 | /* PROTOTYPES */ |
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| 87 | /****************************************************************************/ |
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| 88 | |||
| 89 | int vbe_getinfo(void); |
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| 90 | int vbe_check_id(void); |
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| 91 | void vbe_showinfo(void); |
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| 92 | DWORD vbe_getmodeinfo(ModeInfoBlock *ModeInfo, WORD Vbe_Mode); |
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| 93 | int vbe_setmode (WORD Vbe_Mode); |
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| 94 | WORD vbe_getbpr(ModeInfoBlock *ModeInfo); |
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| 95 | DWORD vbe_getflb(void); |
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| 96 | int vbe_setbank(ModeInfoBlock *ModeInfo, BYTE bank); |
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| 97 | void vbe_showmodeinfo (ModeInfoBlock *ModeInfo); |
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| 98 | int vbe_checkmode(WORD mode); |
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| 99 | |||
| 100 | DWORD vbe_getmem(void); |
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| 80 | pj | 101 | __END_DECLS |