1 files changed, 68 insertions, 0 deletions
diff --git a/src/VBox/Devices/Graphics/BIOS/vgabios.h b/src/VBox/Devices/Graphics/BIOS/vgabios.h
new file mode 100644
index 00000000..1c545710
--- /dev/null
+++ b/src/VBox/Devices/Graphics/BIOS/vgabios.h
@@ -0,0 +1,68 @@
+
+#ifndef VBOX_INCLUDED_SRC_Graphics_BIOS_vgabios_h
+#define VBOX_INCLUDED_SRC_Graphics_BIOS_vgabios_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+/* Types */
+//typedef unsigned char  Bit8u;
+//typedef unsigned short Bit16u;
+//typedef unsigned long  Bit32u;
+typedef unsigned short Boolean;
+
+/* Defines */
+
+#define SET_AL(val8) AX = ((AX & 0xff00) | (val8))
+#define SET_BL(val8) BX = ((BX & 0xff00) | (val8))
+#define SET_CL(val8) CX = ((CX & 0xff00) | (val8))
+#define SET_DL(val8) DX = ((DX & 0xff00) | (val8))
+#define SET_AH(val8) AX = ((AX & 0x00ff) | ((val8) << 8))
+#define SET_BH(val8) BX = ((BX & 0x00ff) | ((val8) << 8))
+#define SET_CH(val8) CX = ((CX & 0x00ff) | ((val8) << 8))
+#define SET_DH(val8) DX = ((DX & 0x00ff) | ((val8) << 8))
+
+#define GET_AL() ( AX & 0x00ff )
+#define GET_BL() ( BX & 0x00ff )
+#define GET_CL() ( CX & 0x00ff )
+#define GET_DL() ( DX & 0x00ff )
+#define GET_AH() ( AX >> 8 )
+#define GET_BH() ( BX >> 8 )
+#define GET_CH() ( CX >> 8 )
+#define GET_DH() ( DX >> 8 )
+
+#define SET_CF()     FLAGS |= 0x0001
+#define CLEAR_CF()   FLAGS &= 0xfffe
+#define GET_CF()     (FLAGS & 0x0001)
+
+#define SET_ZF()     FLAGS |= 0x0040
+#define CLEAR_ZF()   FLAGS &= 0xffbf
+#define GET_ZF()     (FLAGS & 0x0040)
+
+#define SCROLL_DOWN 0
+#define SCROLL_UP   1
+#define NO_ATTR     2
+#define WITH_ATTR   3
+
+#define SCREEN_SIZE(x,y) (((x*y*2)|0x00ff)+1)
+#define SCREEN_MEM_START(x,y,p) ((((x*y*2)|0x00ff)+1)*p)
+#define SCREEN_IO_START(x,y,p) ((((x*y)|0x00ff)+1)*p)
+
+/* Macro for stack-based pointers. */
+#define STACK_BASED _based(_segname("_STACK"))
+
+/* Output. */
+extern void __cdecl printf(char *s, ...);
+
+/* VGA BIOS routines called by VBE. */
+extern void biosfn_set_video_mode(uint8_t mode);
+extern uint16_t biosfn_read_video_state_size2(uint16_t state);
+extern uint16_t biosfn_save_video_state(uint16_t CX, uint16_t ES, uint16_t BX);
+extern uint16_t biosfn_restore_video_state(uint16_t CX, uint16_t ES, uint16_t BX);
+
+/* Allow stand-alone compilation. */
+#ifndef VBOX_VERSION_STRING
+#include <VBox/version.h>
+#endif
+
+#endif /* !VBOX_INCLUDED_SRC_Graphics_BIOS_vgabios_h */