__ASM(unsigned short, _ds) SEMIC
__ASM_FUNC(my_int21_handler) SEMIC
__ASM_FUNC(my_int23_handler) SEMIC
__ASM_FUNC(my_int0_handler) SEMIC
__ASM_FUNC(my_int75_handler) SEMIC
__ASM_FUNC(my_mouse_handler) SEMIC
__ASM_FUNC(my_term_handler) SEMIC
__ASM(unsigned int, _prev0_eip) SEMIC
__ASM(unsigned short, _prev0_cs) SEMIC
__ASM(unsigned int, _prev75_eip) SEMIC
__ASM(unsigned short, _prev75_cs) SEMIC
__ASM(unsigned char, int21_enabled) SEMIC
