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s6-up-tp/TP1/TP13.txt

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2017-05-02 14:57:54 +02:00
.equ PINA = 0x00 ; définition des adresses des ports
.equ DDRA = 0x01
.equ PORTA = 0x02
.equ PINC = 0x06
.equ DDRC = 0x07
.equ PORTC = 0x08
.equ RAMEND = 0x21FF
.equ SPH = 0x3E ; initialisation de la pile
.equ SPL = 0x3D
.def numero = r20
.def io = r21
.def test = r19
.org 0x000
; Vecteur RESET
jmp debut
.org 0x0080
afficheur:
.DB 0x7E, 0x0C, 0x37, 0x9F, 0x4D, 0xDB, 0xFB, 0x0E, 0xFF, 0xDF
; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
touche:
.DB 0x41, 0x88, 0x48, 0x28, 0x84, 0x44, 0x24, 0x82, 0x42, 0x22
; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
debut:
ldi r16,0xFF ; Port A : 7 segments
out DDRA,r16
ldi r16,0x0F ; Port C : Clavier
out DDRC,r16
numero <- 0
boucle:
; On lit le bouton
test <- 0
boucleTest:
io <- touche@ROM[test]
out portc,io
in io,pinc
si io = touche@ROM[test] alors numero <- test
inc test
si test < 10 saut boucleTest
; On affiche compteur sur le 7 segments
io <- afficheur@ROM[numero]
out porta,io
; On continue
saut boucle
tempo:
ldi r24,8
tempoA:
subi r22,1
sbci r23,0
sbci r24,0
brcc tempoA
2017-05-03 08:29:25 +02:00
ret