[FAST486][NTVDM]

[reactos.git] / subsystems / ntvdm / bios.h

diff --git a/subsystems/ntvdm/bios.h b/subsystems/ntvdm/bios.h
index 3644f3b..e661c2e 100644 (file)
--- a/subsystems/ntvdm/bios.h
+++ b/subsystems/ntvdm/bios.h
@@ -15,35 +15,56 @@
 
 /* DEFINES ********************************************************************/
 
-#define CONSOLE_VIDEO_MEM_END 0xBFFFF
 #define ROM_AREA_START 0xE0000
 #define ROM_AREA_END 0xFFFFF
 #define BDA_SEGMENT 0x40
+
 #define BIOS_PIC_MASTER_INT 0x08
-#define BIOS_PIC_SLAVE_INT 0x70
+#define BIOS_PIC_SLAVE_INT  0x70
+
 #define BIOS_SEGMENT 0xF000
+
 #define BIOS_VIDEO_INTERRUPT 0x10
 #define BIOS_EQUIPMENT_INTERRUPT 0x11
 #define BIOS_KBD_INTERRUPT 0x16
 #define BIOS_TIME_INTERRUPT 0x1A
 #define BIOS_SYS_TIMER_INTERRUPT 0x1C
+
 #define CONSOLE_FONT_HEIGHT 8
 #define BIOS_KBD_BUFFER_SIZE 16
 #define BIOS_EQUIPMENT_LIST 0x2C // HACK: Disable FPU for now
 #define BIOS_DEFAULT_VIDEO_MODE 0x03
 #define BIOS_MAX_PAGES 8
+#define BIOS_PAGE_SIZE 0x1000
 #define BIOS_MAX_VIDEO_MODE 0x13
+#define DEFAULT_ATTRIBUTE 0x07
+#define GRAPHICS_VIDEO_SEG 0xA000
+#define TEXT_VIDEO_SEG 0xB800
 
-typedef struct
+#define BDA_KBDFLAG_RSHIFT      (1 << 0)
+#define BDA_KBDFLAG_LSHIFT      (1 << 1)
+#define BDA_KBDFLAG_CTRL        (1 << 2)
+#define BDA_KBDFLAG_ALT         (1 << 3)
+#define BDA_KBDFLAG_SCROLL_ON   (1 << 4)
+#define BDA_KBDFLAG_NUMLOCK_ON  (1 << 5)
+#define BDA_KBDFLAG_CAPSLOCK_ON (1 << 6)
+#define BDA_KBDFLAG_INSERT_ON   (1 << 7)
+#define BDA_KBDFLAG_RALT        (1 << 8)
+#define BDA_KBDFLAG_LALT        (1 << 9)
+#define BDA_KBDFLAG_SYSRQ       (1 << 10)
+#define BDA_KBDFLAG_PAUSE       (1 << 11)
+#define BDA_KBDFLAG_SCROLL      (1 << 12)
+#define BDA_KBDFLAG_NUMLOCK     (1 << 13)
+#define BDA_KBDFLAG_CAPSLOCK    (1 << 14)
+#define BDA_KBDFLAG_INSERT      (1 << 15)
+
+enum
 {
-    DWORD Width;
-    DWORD Height;
-    BOOLEAN Text;
-    BYTE Bpp;
-    BOOLEAN Gray;
-    BYTE Pages;
-    WORD Segment;
-} VIDEO_MODE;
+    SCROLL_DIRECTION_UP,
+    SCROLL_DIRECTION_DOWN,
+    SCROLL_DIRECTION_LEFT,
+    SCROLL_DIRECTION_RIGHT
+};
 
 #pragma pack(push, 1)
 
@@ -51,12 +72,12 @@ typedef struct
 {
     WORD SerialPorts[4];
     WORD ParallelPorts[3];
-    WORD EbdaSegment;
+    WORD EbdaSegment;       // Sometimes, ParallelPort
     WORD EquipmentList;
-    BYTE Reserved0;
+    BYTE Reserved0;         // Errors in PCjr infrared keyboard link
     WORD MemorySize;
-    WORD Reserved1;
-    WORD KeyboardFlags;
+    WORD Reserved1;         // Scratch pad for manufacturing error tests
+    WORD KeybdShiftFlags;
     BYTE AlternateKeypad;
     WORD KeybdBufferHead;
     WORD KeybdBufferTail;
@@ -91,25 +112,38 @@ typedef struct
     BYTE ComTimeOut[4];
     WORD KeybdBufferStart;
     WORD KeybdBufferEnd;
+    BYTE ScreenRows;
+    WORD CharacterHeight;
 } BIOS_DATA_AREA, *PBIOS_DATA_AREA;
 
 #pragma pack(pop)
 
 /* FUNCTIONS ******************************************************************/
 
+extern PBIOS_DATA_AREA Bda;
+
 BOOLEAN BiosInitialize(VOID);
 VOID BiosCleanup(VOID);
-VOID BiosUpdateConsole(ULONG StartAddress, ULONG EndAddress);
-VOID BiosUpdateVideoMemory(ULONG StartAddress, ULONG EndAddress);
-inline DWORD BiosGetVideoMemoryStart(VOID);
-inline VOID BiosVerticalRefresh(VOID);
+BYTE BiosGetVideoMode(VOID);
+BOOLEAN BiosSetVideoMode(BYTE ModeNumber);
 WORD BiosPeekCharacter(VOID);
 WORD BiosGetCharacter(VOID);
+VOID BiosSetCursorPosition(BYTE Row, BYTE Column, BYTE Page);
 VOID BiosVideoService(LPWORD Stack);
 VOID BiosEquipmentService(LPWORD Stack);
 VOID BiosKeyboardService(LPWORD Stack);
 VOID BiosTimeService(LPWORD Stack);
 VOID BiosHandleIrq(BYTE IrqNumber, LPWORD Stack);
 VOID BiosSystemTimerInterrupt(LPWORD Stack);
+VOID BiosPrintCharacter(CHAR Character, BYTE Attribute, BYTE Page);
+BOOLEAN BiosScrollWindow(
+    INT Direction,
+    DWORD Amount,
+    SMALL_RECT Rectangle,
+    BYTE Page,
+    BYTE FillAttribute
+);
+
+#endif // _BIOS_H_
 
-#endif
+/* EOF */