4 #include "types.h" // u8
5 #include "farptr.h" // struct segoff_s
7 #define SCREEN_IO_START(x,y,p) (((((x)*(y)) | 0x00ff) + 1) * (p))
8 #define SCREEN_MEM_START(x,y,p) SCREEN_IO_START(((x)*2),(y),(p))
25 struct segoff_s font0;
26 struct segoff_s font1;
30 #define MF_GRAYSUM 0x0002
31 #define MF_NOPALETTE 0x0008
32 #define MF_CUSTOMCRTC 0x0800
33 #define MF_LINEARFB 0x4000
34 #define MF_NOCLEARMEM 0x8000
39 #define MM_HERCULES 0x02
40 #define MM_PLANAR 0x03
41 #define MM_PACKED 0x04
42 #define MM_NON_CHAIN_4_256 0x05
43 #define MM_DIRECT 0x06
48 struct vgamode_s *find_vga_entry(u8 mode);
49 void build_video_param(void);
50 extern struct VideoSavePointer_s video_save_pointer_table;
51 extern u8 static_functionality[];
55 extern u8 vgafont14[];
56 extern u8 vgafont16[];
57 extern u8 vgafont14alt[];
58 extern u8 vgafont16alt[];
62 #define SET_VGA(var, val) SET_FARVAR(get_global_seg(), (var), (val))
64 u8 car, attr, use_attr;
69 void modeswitch_set_bda(int mode, int flags, struct vgamode_s *vmode_g);
72 void vgafb_scroll(int nblines, int attr
73 , struct cursorpos ul, struct cursorpos lr);
74 void vgafb_write_char(struct cursorpos cp, struct carattr ca);
75 struct carattr vgafb_read_char(struct cursorpos cp);
76 void vgafb_write_pixel(u8 color, u16 x, u16 y);
77 u8 vgafb_read_pixel(u16 x, u16 y);
80 #define VBE_OEM_STRING "SeaBIOS VBE(C) 2011"
81 #define VBE_VENDOR_STRING "SeaBIOS Developers"
82 #define VBE_PRODUCT_STRING "SeaBIOS VBE Adapter"
83 #define VBE_REVISION_STRING "Rev. 1"
96 void handle_104f(struct bregs *regs);