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Annotation of Examples/DriverKit/QVision/QVision_reloc.tproj/vgaModes.h, revision 1.1

1.1     ! root        1: /* CONFIDENTIAL
        !             2:  * Copyright (c) 1993 by NeXT Computer, Inc as an unpublished work.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * vgaModes.h -- Definitions for the standard VGA.
        !             6:  *
        !             7:  * Author:  Derek B Clegg      21 May 1993
        !             8:  */
        !             9: 
        !            10: #ifndef VGADEFS_H__
        !            11: #define VGADEFS_H__
        !            12: 
        !            13: /* Miscellaneous output register. */
        !            14: 
        !            15: #define        VGA_MISC_OUTPUT         0x3C2
        !            16: 
        !            17: /* Input status 1 register. */
        !            18: 
        !            19: #define VGA_INPUT_STATUS_1     0x3DA
        !            20: 
        !            21: /* Feature control register. */
        !            22: 
        !            23: #define        VGA_FEATURE_CTRL        0x3DA
        !            24: 
        !            25: /* Sequencer. */
        !            26: 
        !            27: #define VGA_SEQ_INDEX          0x3C4
        !            28: #define VGA_SEQ_DATA           0x3C5
        !            29: #define        VGA_SEQ_COUNT           5
        !            30: 
        !            31: /* Sequencer Indexes. */
        !            32: 
        !            33: #define VGA_RST_SYNC           0x00    /* Reset register. */
        !            34: #define VGA_CLK_MODE           0x01    /* Clocking mode register. */
        !            35: #define VGA_EN_WT_PL           0x02    /* Enable write plane register. */
        !            36: #define VGA_CH_FONT_SL         0x03    /* Change font select register. */
        !            37: #define VGA_MEM_MODE           0x04    /* Memory mode control register. */
        !            38: 
        !            39: /* CRT Controller. */
        !            40: 
        !            41: #define VGA_CRTC_INDEX                 0x3D4
        !            42: #define VGA_CRTC_DATA                  0x3D5
        !            43: #define        VGA_CRTC_COUNT          25
        !            44: 
        !            45: /* CRT Controller Indexes */
        !            46: 
        !            47: #define VGA_H_TOTAL            0x00    /* Horizontal total register. */
        !            48: #define VGA_H_D_END            0x01    /* Horizontal display end register. */
        !            49: #define VGA_S_H_BLNK           0x02    /* Start horizontal blank register. */
        !            50: #define VGA_E_H_BLNK           0x03    /* End horizontal blank register. */
        !            51: #define VGA_S_H_SY_P           0x04    /* Start horizontal sync position
        !            52:                                           register. */
        !            53: #define VGA_E_H_SY_P           0x05    /* End horizontal sync position
        !            54:                                           register. */
        !            55: #define VGA_V_TOTAL            0x06    /* Vertical total register. */
        !            56: #define VGA_OVFL_REG           0x07    /* CRTC overflow register. */
        !            57: #define VGA_P_R_SCAN           0x08    /* Preset row scan register. */
        !            58: #define VGA_MAX_S_LN           0x09    /* Maximum scan line register. */
        !            59: #define VGA_CSSL               0x0A    /* Cursor start scan line register. */
        !            60: #define VGA_CESL               0x0B    /* Cursor end scan line register. */
        !            61: #define VGA_STAH               0x0C    /* Start address high register. */
        !            62: #define VGA_STAL               0x0D    /* Start address low register. */
        !            63: #define VGA_CLAH               0x0E    /* Cursor location address high
        !            64:                                           register. */
        !            65: #define VGA_CLAL               0x0F    /* Cursor location address low
        !            66:                                           register. */
        !            67: #define VGA_VRS                        0x10    /* Vertical retrace start register. */
        !            68: #define VGA_VRE                        0x11    /* Vertical retrace end register. */
        !            69: #define VGA_VDE                        0x12    /* Vertical display end register. */
        !            70: #define VGA_SCREEN_OFFSET      0x13    /* Offset register. */
        !            71: #define VGA_ULL                        0x14    /* Underline location register. */
        !            72: #define VGA_SVB                        0x15    /* Start vertical blank register. */
        !            73: #define VGA_EVB                        0x16    /* End vertical blank register. */
        !            74: #define VGA_CRT_MD             0x17    /* CRTC mode control register. */
        !            75: #define VGA_LCM                        0x18    /* Line compare register. */
        !            76: 
        !            77: /* Attribute Controller. */
        !            78: 
        !            79: #define VGA_ATTR_INDEX         0x3C0
        !            80: #define VGA_ATTR_DATA          0x3C0
        !            81: #define        VGA_ATTR_COUNT          20
        !            82: 
        !            83: /* Attribute Controller Indexes. */
        !            84: 
        !            85: #define VGA_PLT_REG            0x00    /* Palette registers (0x00-0x0F). */
        !            86: #define VGA_ATR_MODE           0x10    /* Attribute mode control register. */
        !            87: #define VGA_BDR_CLR            0x11    /* Border color register. */
        !            88: #define VGA_DISP_PLN           0x12    /* Color plane enable register. */
        !            89: #define VGA_H_PX_PAN           0x13    /* Horizontal pixel panning
        !            90:                                           register. */
        !            91: /* Graphics Controller. */
        !            92: 
        !            93: #define VGA_GRFX_INDEX         0x3CE
        !            94: #define VGA_GRFX_DATA          0x3CF
        !            95: #define VGA_GRFX_COUNT         9
        !            96: 
        !            97: struct VGAMode {
        !            98:     /* Miscellaneous output register values (3C2). */
        !            99:     unsigned char miscOutput;
        !           100: 
        !           101:     /* Feature control register value (3DA). */
        !           102:     unsigned char featureCtrl;
        !           103: 
        !           104:     /* Sequencer register values (3C5.00 - 3C5.04). */
        !           105:     unsigned char seqx[VGA_SEQ_COUNT];
        !           106: 
        !           107:     /* CRTC register values (3D5.00 - 3D5.18). */
        !           108:     unsigned char crtc[VGA_CRTC_COUNT];
        !           109: 
        !           110:     /* Attribute controller register values (3C0.00 - 3C0.13). */
        !           111:     unsigned char attr[VGA_ATTR_COUNT];
        !           112: 
        !           113:     /* Graphics controller register values (3CF.00 - 3CF.08). */
        !           114:     unsigned char grfx[VGA_GRFX_COUNT];
        !           115: };
        !           116: typedef struct VGAMode VGAMode;
        !           117: 
        !           118: extern int VGASetMode(unsigned int mode);
        !           119: extern int VGASetModeData(const VGAMode *modeData);
        !           120: 
        !           121: #endif /* VGADEFS_H__ */

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