;
;30h-39h hold the 7seg bit patterns
	mov	30h, #11000000B
	mov	31h, #11111001B
	mov 32h, #10100100B
	mov	33h, #10110000B
	mov 34h, #10011001B
	mov	35h, #10010010B
	mov 36h, #10000010B
	mov 37h, #10000111B
	mov 38h, #10000000B
	mov 39h, #10011000B

	mov 
start:
	
	

jmp start
;40h-42h hold the 3 digits to display
	
display:
	mov	acc, 50h
	mov 	b,	#1000
	div ab
	mov 40h, acc
	mov acc, b
	mov	b, #100
	div ab
	mov	41h, acc; save 100's digit
	mov	acc, b   ;put remainder in a
	mov	b, #10  ;find 10's & 1's digit
	div ab
	mov	42h, acc  ;save 10's digit
	mov	43h, b  ;save 1's digit



;display:
	mov	r1, #40h ;digits[0]

loop:  ;for each digit
	mov	acc, #30h
	mov r3, acc  ;save acc;next blob:

;safe if you don't care about the
;bits of P3 other than p3.3 & p3.4
	mov	a, r1    ;picks which
	cpl a        ;7seg to use p3.3 &
	anl	a, #03h  ;p3.4 are a func
	rl	a        ;of the low2 bits of
	rl	a        ;the addr where the
	rl	a        ;digits live
	mov	p1, #0ffh;undraw previous
	mov	p3, a	 ;set new 7seg
	mov	a, r3    ;restore acc

; p1 = pattern[digit[i]] 
	add	a, @r1
	mov	r0, acc
	mov	p1, @r0
	inc	r1
;	mov	p1, #0ffh
	cjne	r1, #44h, loop
	ret