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- /* DRIVER.H */
-
-
- typedef struct {
- unsigned short modeset_routine;
- unsigned short paging_routine;
- unsigned short driver_flags;
- unsigned short def_tw;
- unsigned short def_th;
- unsigned short def_gw;
- unsigned short def_gh;
- } OLD_GR_DRIVER;
-
- typedef struct {
- unsigned short modeset_routine;
- unsigned short paging_routine;
- unsigned short driver_flags;
- unsigned short def_tw;
- unsigned short def_th;
- unsigned short def_gw;
- unsigned short def_gh;
- unsigned short def_numcolor;
- unsigned short driver_init_routine;
- unsigned short text_table;
- unsigned short graphics_table;
- } NEW_GR_DRIVER;
-
- typedef union {
- OLD_GR_DRIVER old;
- NEW_GR_DRIVER new;
- } GR_DRIVER;
-
- typedef struct {
- unsigned short width;
- unsigned short height;
- unsigned short number_of_colors;
- unsigned char BIOS_mode;
- unsigned char special;
- } GR_DRIVER_MODE_ENTRY;
-
-
-
-
- #define GRD_NEW_DRIVER 0x0008 /* NEW FORMAT DRIVER IF THIS IS SET */
-
- #define GRD_PAGING_MASK 0x0007 /* mask for paging modes */
- #define GRD_NO_RW 0x0000 /* standard paging, no separate R/W */
- #define GRD_RW_64K 0x0001 /* two separate 64K R/W pages */
- /* THE FOLLOWING THREE OPTIONS ARE NOT SUPPORTED AT THIS TIME !!! */
- #define GRD_RW_32K 0x0002 /* two separate 32Kb pages */
- #define GRD_MAP_128K 0x0003 /* 128Kb memory map -- some Tridents
- can do it (1024x768x16 without
- paging!!!)
- #define GRD_MAP_EXTMEM 0x0004 /* Can be mapped extended, above 1M.
- Some Tseng 4000-s can do it, NO
- PAGING AT ALL!!!! */
-
- #define GRD_TYPE_MASK 0xf000 /* adapter type mask */
- #define GRD_VGA 0x0000 /* vga */
- #define GRD_EGA 0x1000 /* ega */
- #define GRD_HERC 0x2000 /* hercules */
-
- #define GRD_PLANE_MASK 0x0f00 /* bitplane number mask */
- #define GRD_8_PLANES 0x0000 /* 8 planes = 256 colors */
- #define GRD_4_PLANES 0x0100 /* 4 planes = 16 colors */
- #define GRD_1_PLANE 0x0200 /* 1 plane = 2 colors */
- #define GRD_16_PLANES 0x0300 /* VGA with 32K colors */
- #define GRD_8_X_PLANES 0x0400 /* VGA in mode X w/ 256 colors */
-
- #define GRD_MEM_MASK 0x00f0 /* memory size mask */
- #define GRD_64K 0x0010 /* 64K display memory */
- #define GRD_128K 0x0020 /* 128K display memory */
- #define GRD_256K 0x0030 /* 256K display memory */
- #define GRD_512K 0x0040 /* 512K display memory */
- #define GRD_1024K 0x0050 /* 1MB display memory */
- #define GRD_192K 0x0060 /* 192K -- some 640x480 EGA-s */
- #define GRD_M_NOTSPEC 0x0000 /* memory amount not specified */
-