mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
4.4 KiB
137 lines
4.4 KiB
|
|
/* SccsID = @(#)egavideo.h 1.13 11/22/93 Copyright Insignia Solutions */
|
|
|
|
#define ega_char_height 0x485 /* word on IBM, but second byte always 0 */
|
|
#define ega_info 0x487 /* lots of useful info. */
|
|
#define ega_info3 0x488 /* EGA switches + feature bits. == 0xf9 */
|
|
#define EGA_SAVEPTR 0x4A8 /* offset into M of pointer to pointer table for parms etc */
|
|
#define VGA_DCC 0x48A /* offset into M of index into dcc table */
|
|
|
|
/* fields of info & info3: */
|
|
#define get_EGA_no_clear() (sas_hw_at_no_check(ega_info) & 0x80)
|
|
#define get_EGA_disp() ((sas_hw_at_no_check(ega_info) & 2)>>1)
|
|
#define get_EGA_mem() ((sas_hw_at_no_check(ega_info) & 0x60)>>5)
|
|
#define get_EGA_cursor_no_emulate() (sas_hw_at_no_check(ega_info) & 1)
|
|
#define set_EGA_cursor_no_emulate(val) \
|
|
sas_store_no_check(ega_info, \
|
|
(sas_hw_at_no_check(ega_info) & 0xfe) | (val));
|
|
|
|
#define get_EGA_feature() (sas_hw_at_no_check(ega_info3) & 0xf0)>>4
|
|
#define get_EGA_switches() (sas_hw_at_no_check(ega_info3) & 0xf)
|
|
/* offset into each entry of each section of ega mode parameters */
|
|
#define EGA_PARMS_COLS 0
|
|
#define EGA_PARMS_ROWS 1
|
|
#define EGA_PARMS_HEIGHT 2
|
|
#define EGA_PARMS_LENGTH 3 /* Word */
|
|
#define EGA_PARMS_SEQ 5 /* Sequencer regs 1-4 */
|
|
#define EGA_PARMS_SEQ_SIZE 4
|
|
#define EGA_PARMS_MISC 9 /* Misc. register */
|
|
#define EGA_PARMS_CRTC 10 /* CRT regs 0-24 */
|
|
#define EGA_PARMS_CRTC_SIZE 25
|
|
#define EGA_PARMS_CURSOR 20 /* CRT regs 10 & 11 */
|
|
#define EGA_PARMS_ATTR 35 /* Attribute regs 0-19 */
|
|
#define EGA_PARMS_ATTR_SIZE 20
|
|
#define EGA_PARMS_GRAPH 55 /* Graphics regs 0-8 */
|
|
#define EGA_PARMS_GRAPH_SIZE 9
|
|
#define EGA_PARMS_SIZE 64 /* Size of one entry in table */
|
|
#define FONT_LOAD_MODE 0xB /* Screen 'mode' to use to load fonts */
|
|
/* Location of default ega mode parameters */
|
|
#define EGA_PARMS_OFFSET 0x0F09
|
|
#define VGA_PARMS_OFFSET 0x0150 /* was F09 but now have more modes in parm table */
|
|
|
|
#define EGA_PALETTE_ENABLE 0x20
|
|
|
|
/* Offsets into the save table of the various pointers */
|
|
|
|
/* Offsets into the save table of the various pointers */
|
|
#define PALETTE_OFFSET 4
|
|
#define ALPHA_FONT_OFFSET 8
|
|
#define GRAPH_FONT_OFFSET 12
|
|
|
|
/* Location of font definitions */
|
|
#if 0
|
|
#define EGA_CGMN 0xC2230
|
|
#define EGA_CGDDOT 0xC3160
|
|
#define EGA_HIFONT 0xC3990 /* 8x16 font for 640x480 ext */
|
|
#define EGA_CGMN_OFF 0x2230
|
|
#define EGA_CGMN_FDG_OFF 0x3030
|
|
#define EGA_CGDDOT_OFF 0x3160
|
|
#define EGA_HIFONT_OFF 0x3990
|
|
#define EGA_INT1F_OFF 0x3560
|
|
#endif
|
|
|
|
#ifdef VGG
|
|
/* Flags controlling extra bits of VGA BIOS, not in EGA one */
|
|
#define VGA_FLAGS 0x489
|
|
#define S350 0
|
|
#define S400 0x10
|
|
#define S200 0x80
|
|
#define PAL_LOAD_OFF 0x8
|
|
#define VGA_MONO 0x4
|
|
#define GREY_SCALE 0x2
|
|
#define VGA_ACTIVE 0x1
|
|
#define get_VGA_flags() sas_hw_at_no_check(VGA_FLAGS)
|
|
#define set_VGA_flags(val) sas_store_no_check(VGA_FLAGS, (val))
|
|
#define get_VGA_lines() (sas_hw_at_no_check(VGA_FLAGS) & 0x90)
|
|
#define set_VGA_lines(val) sas_store_no_check(VGA_FLAGS, (sas_hw_at_no_check(VGA_FLAGS) & 0x6f) | (val))
|
|
#define is_GREY() (sas_hw_at_no_check(VGA_FLAGS) & 2)
|
|
#define set_GREY(val) sas_store_no_check(VGA_FLAGS, (sas_hw_at_no_check(VGA_FLAGS) & 0xfd) | (val))
|
|
#define is_PAL_load_off() (sas_hw_at_no_check(VGA_FLAGS) & 0x80)
|
|
#define set_PAL_load_off(val) sas_store_no_check(VGA_FLAGS, (sas_hw_at_no_check(VGA_FLAGS) & 0xf7) | (val))
|
|
#define is_MONO() (sas_hw_at_no_check(VGA_FLAGS) & 4)
|
|
|
|
/* Location of INT10 AX=1b, second stage info table */
|
|
#define INT10_1B_DATA 0x01bc
|
|
#endif
|
|
|
|
/*
|
|
* Defines for values indicating real number of scanlines on display
|
|
* These are the values returned by INT10 AH=1B, and are also used
|
|
* internally
|
|
*/
|
|
#define RS200 0
|
|
#define RS350 1
|
|
#define RS400 2
|
|
#define RS480 3
|
|
|
|
#ifdef ANSI
|
|
extern int get_scanlines(void);
|
|
extern sys_addr find_mode_table(int,sys_addr *);
|
|
extern sys_addr follow_ptr(sys_addr);
|
|
#else
|
|
extern int get_scanlines();
|
|
extern sys_addr find_mode_table();
|
|
extern sys_addr follow_ptr();
|
|
#endif /* ANSI */
|
|
|
|
#ifdef MSWDVR
|
|
IMPORT VOID host_mswin_disable IPT0();
|
|
#endif
|
|
|
|
#ifdef V7VGA
|
|
IMPORT VOID v7vga_extended_set_mode IPT0();
|
|
IMPORT VOID v7vga_func_6f IPT0();
|
|
#endif
|
|
|
|
#ifdef VGG
|
|
IMPORT VOID vga_set_palette IPT0();
|
|
IMPORT VOID vga_func_12 IPT0();
|
|
IMPORT VOID init_vga_dac IPT1( int, table );
|
|
#endif
|
|
|
|
#if defined(NTVDM) && defined(MONITOR)
|
|
|
|
#define F8x14 0
|
|
#define F8x8pt1 1
|
|
#define F8x8pt2 2
|
|
#define F9x14 3
|
|
#define F8x16 4
|
|
#define F9x16 5
|
|
|
|
typedef struct {
|
|
word seg;
|
|
word off;
|
|
} NativeFontAddr;
|
|
|
|
IMPORT NativeFontAddr nativeFontAddresses[6];
|
|
#endif /* NTVDM & MONITOR */
|