diff options
Diffstat (limited to 'Year_1/Computer_Architecture/find_elem.asm')
| -rw-r--r-- | Year_1/Computer_Architecture/find_elem.asm | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Year_1/Computer_Architecture/find_elem.asm b/Year_1/Computer_Architecture/find_elem.asm new file mode 100644 index 0000000..db7dc35 --- /dev/null +++ b/Year_1/Computer_Architecture/find_elem.asm @@ -0,0 +1,34 @@ +array dcd 1, 3, 2, 4, 0 +arr_n dcd 5 +elem dcd 3 + + mov r0, #arr_n + ldr r1, [r0] ; r1 <- lunghezza array + + mov r0, #elem + ldr r2, [r0] ; r2 <- elemento da cercare + + mov r0, #array ; r0 <- puntatore al primo elemento dell'array + +loop + cmp r1, #0 + beq loop_end + + ldr r3, [r0] + + cmp r3, r2 + beq found + + add r0, r0, #4 + sub r1, r1, #1 + + + b loop + +found + mov r4, #0 ; r4 = 1, quindi trovato + end + +loop_end + mov r4, #1 ; r4 = 0, quindi non trovto + end |