vgabios.h revision 48c4d89fb0c7ee39d33f4c503074224b946b0d6b
#ifndef vgabios_h_included
#define vgabios_h_included
/* 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