#include <bios.h> #include <extend50.h> CLIPPER b_isndp() { union { unsigned equip; struct { unsigned diskette : 1; unsigned math_copr : 1; unsigned sys_mem : 2; unsigned video_mode : 2; unsigned num_drives : 2; unsigned dma : 1; unsigned serial_ports : 3; unsigned game_adapter : 1; unsigned serial_printer : 1; unsigned num_printers : 2; } equipment; } eq; eq.equip = _bios_equiplist(); _retl(eq.equipment.math_copr ? 1 : 0); }