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/* 
 * Program to display the equipment configuration installed in 
 * an IBM/PC or compatable system. 
 * 
 * This demonstrates the use of inline assembly language routines, 
 * which are used to obtain information from the IBM/PC BIOS. 
 * 
 * Copyright 1989,1990 Dave Dunfield 
 * All rights reserved. 
 */ 
#include \mc\stdio.h 
 
/* Video adapter display text */ 
	char *ivmode[] = { "Unknown", "Color-40", "Color-80", "Monochrome" }; 
 
/* 
 * Main program to display the equipment installed in an IBM/PC 
 */ 
main() 
{ 
	int equip, hdrives, i; 
 
	equip = get_equip(); 
	hdrives = 0; 
	for(i=0x80; i < (0x80+26); ++i) { 
		if(!test_drive(i)) 
			++hdrives; } 
	printf("Base system memory=%uK\n", get_mem()); 
	printf("Math co-processor%sinstalled\n", (equip & 2) ? " " : " not "); 
	printf("Game adaptor%sinstalled\n", (equip & 0x1000) ? " " : " not "); 
	printf("Startup video is %s\n", ivmode[(equip >> 4) & 3]); 
	printf("%u Floppy disk drive(s)\n", (equip & 1) && (((equip >> 6) & 3) + 1)); 
	printf("%u Hard disk drive(s)\n", hdrives); 
	printf("%u Serial port(s)\n", (equip >> 9) & 7); 
	printf("%u Parallel port(s)\n", (equip >> 14) & 3); 
} 
 
/* 
 * Get the equipment configuration from BIOS 
 */ 
get_equip() 
{ ; 
#asm 
		INT		11h			; Get equipment 
#endasm 
} 
 
/* 
 * Get size of installed memory from BIOS 
 */ 
get_mem() 
{ ; 
#asm 
		INT		12h			; Get memory size 
#endasm 
} 
 
/* 
 * Test for existance of a hard drive 
 */ 
test_drive(drive) 
{ ; 
#asm 
		MOV		DL,4[BP]	; Get drive id 
		MOV		AH,10h		; Drive status function 
		INT		13h			; Ask BIOS 
		MOV		AL,AH		; Get value 
		XOR		AH,AH		; Zero high 
#endasm 
}