;sum of integers from M to N, inclusive
;looping M-N+1 from M thru N
; for i=M to N
;   sum += i

;N in B
;i in C, starts with M
;sum in D, starts with M

	JMP	Start
	DW	4	;M
	DW	7	;N
	DW	0	;sum
		
Start:	MOV	CX,[1003]	;get M
	MOV	DX,CX		;DX is sum=M
	MOV	BX,[1005]	;get N

Loop: 	INC	CX		;i++
	ADD	DX,CX		;sum+=i
	CMP	BX,CX		;N-i
	JNZ	Loop		;if i<N loop

	MOV	[1007],DX
	HLT
		


MICRO-86 KIT v1.2,   Sep 17, 2004 ,7:44  PM 
--------------------------------------------------
ADDR                  CODE   LABEL      MNEMONICS 
--------------------------------------------------
1000:             E9 06 00              JMP	START
1003:                04 00              
1005:                07 00              
1007:                00 00              
1009:          8B 0E 03 10   START      MOV	CX,[1003]
100D:                8B D1              MOV	DX,CX
100F:          8B 1E 05 10              MOV	BX,[1005]
1013:                   41   LOOP       INC	CX
1014:                03 D1              ADD	DX,CX
1016:                3B D9              CMP	BX,CX
1018:                75 F9              JNZ	LOOP
101A:          89 16 07 10              MOV	[1007],DX
101E:                   F4              HLT
101F: