105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
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/*
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Copyright (C) 1996 by Josh Vanderhoof
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You are free to distribute and modify this file, as long as you
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do not remove this copyright notice and clearly label modified
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versions as being modified.
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This software has NO WARRANTY. Use it at your own risk.
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*/
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#ifndef _VBE_H
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#define _VBE_H
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/* structures for vbe 2.0 */
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struct vbe_info_block
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{
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char vbe_signature[4];
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short vbe_version;
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unsigned short oem_string_off;
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unsigned short oem_string_seg;
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int capabilities;
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unsigned short video_mode_list_off;
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unsigned short video_mode_list_seg;
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short total_memory;
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short oem_software_rev;
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unsigned short oem_vendor_name_off;
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unsigned short oem_vendor_name_seg;
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unsigned short oem_product_name_off;
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unsigned short oem_product_name_seg;
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unsigned short oem_product_rev_off;
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unsigned short oem_product_rev_seg;
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char reserved[222];
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char oem_data[256];
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} __attribute__ ((packed));
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#define VBE_ATTR_MODE_SUPPORTED (1 << 0)
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#define VBE_ATTR_TTY (1 << 2)
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#define VBE_ATTR_COLOR (1 << 3)
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#define VBE_ATTR_GRAPHICS (1 << 4)
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#define VBE_ATTR_NOT_VGA (1 << 5)
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#define VBE_ATTR_NOT_WINDOWED (1 << 6)
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#define VBE_ATTR_LINEAR (1 << 7)
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#define VBE_WIN_RELOCATABLE (1 << 0)
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#define VBE_WIN_READABLE (1 << 1)
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#define VBE_WIN_WRITEABLE (1 << 2)
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#define VBE_MODEL_TEXT 0
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#define VBE_MODEL_CGA 1
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#define VBE_MODEL_HERCULES 2
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#define VBE_MODEL_PLANAR 3
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#define VBE_MODEL_PACKED 4
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#define VBE_MODEL_256 5
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#define VBE_MODEL_RGB 6
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#define VBE_MODEL_YUV 7
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struct vbe_mode_info_block
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{
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unsigned short mode_attributes;
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unsigned char win_a_attributes;
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unsigned char win_b_attributes;
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unsigned short win_granularity;
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unsigned short win_size;
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unsigned short win_a_segment;
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unsigned short win_b_segment;
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unsigned short win_func_ptr_off;
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unsigned short win_func_ptr_seg;
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unsigned short bytes_per_scanline;
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unsigned short x_resolution;
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unsigned short y_resolution;
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unsigned char x_char_size;
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unsigned char y_char_size;
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unsigned char number_of_planes;
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unsigned char bits_per_pixel;
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unsigned char number_of_banks;
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unsigned char memory_model;
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unsigned char bank_size;
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unsigned char number_of_image_pages;
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unsigned char res1;
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unsigned char red_mask_size;
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unsigned char red_field_position;
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unsigned char green_mask_size;
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unsigned char green_field_position;
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unsigned char blue_mask_size;
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unsigned char blue_field_position;
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unsigned char rsvd_mask_size;
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unsigned char rsvd_field_position;
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unsigned char direct_color_mode_info;
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unsigned int phys_base_ptr;
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unsigned int offscreen_mem_offset;
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unsigned short offscreen_mem_size;
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unsigned char res2[206];
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} __attribute__ ((packed));
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struct vbe_palette_entry
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{
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unsigned char blue;
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unsigned char green;
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unsigned char red;
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unsigned char align;
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} __attribute__ ((packed));
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#endif
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