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14 | 14 | */ |
15 | 15 |
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16 | 16 |
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17 | | - |
18 | | -; Allocate space in memory for the array |
19 | | -a r r . s p a c e 100 |
20 | | - |
21 | 17 | ; Initialize registers |
22 | | -mov.w #arr, R10 ; Set R10 to the address of the array |
23 | | -mov.w #1d, R8 ; Initialize R8 as the current number |
24 | | -mov.w #0d, R9 ; Initialize R9 to keep track of the count of divisible numbers |
| 18 | +main mov.w #arr, R10 ; Set R10 to the address of the array |
| 19 | + mov.w #1d, R8 ; Initialize R8 as the current number |
| 20 | + mov.w #0d, R9 ; Initialize R9 to keep track of the count of divisible numbers |
25 | 21 |
|
26 | 22 | ; Start the loop to find and store 50 numbers |
27 | | -findNumbers: |
28 | | - ; Check if the current number (R8) is divisible by 3 or 4 |
29 | | - mov.w R8, R11 ; Copy the current number to R11 |
30 | | - mov.w #3d, R12 ; Set R12 to 3 |
31 | | - mov.w R11, R13 ; Copy R11 to R13 (to preserve the original number) |
32 | | - mod_divisible: |
33 | | - sub.w R12, R11 |
34 | | - jz divisible_by_3 ; If R11 becomes 0, the number is divisible by 3 |
35 | | - jn div_by_3_check ; If R11 is negative, it's not divisible by 3 |
36 | | - jmp mod_divisible ; Continue the division process |
37 | | - |
38 | | - div_by_3_check: |
39 | | - ; Check if the current number is divisible by 4 |
40 | | - mov.w R13, R11 ; Restore the original number |
41 | | - mov.w #4d, R12 ; Set R12 to 4 |
42 | | - mod_divisible_by_4: |
43 | | - sub.w R12, R11 |
44 | | - jz divisible_by_4 ; If R11 becomes 0, the number is divisible by 4 |
45 | | - jn next_number ; If R11 is negative, it's not divisible by 4 |
46 | | - jmp mod_divisible_by_4 ; Continue the division process |
47 | | - |
48 | | - divisible_by_3: |
49 | | - ; The current number is divisible by 3, store it in the array |
50 | | - mov.w R8, 0(R10) ; Store the divisible number in the array |
51 | | - add.w #2d, R10 ; Move to the next position in the array |
52 | | - inc.w R9 ; Increment the count |
53 | | - jmp next_number ; Move to the next number |
54 | | - |
55 | | - divisible_by_4: |
56 | | - ; The current number is divisible by 4, store it in the array |
57 | | - mov.w R8, 0(R10) ; Store the divisible number in the array |
58 | | - add.w #2d, R10 ; Move to the next position in the array |
59 | | - inc.w R9 ; Increment the count |
60 | | - |
61 | | - next_number: |
62 | | - ; Check if we've found 50 divisible numbers |
63 | | - cmp #50d, R9 |
64 | | - jeq done ; If we've found 50 numbers, we're done |
65 | | - |
66 | | - ; Increment the current number and continue the loop |
67 | | - inc.w R8 |
68 | | - jmp findNumbers |
69 | | - |
70 | | -done: |
71 | | - ; End of the program |
| 23 | +findNumbers ; Check if the current number (R8) is divisible by 3 or 4 |
| 24 | + mov.w R8, R11 ; Copy the current number to R11 |
| 25 | + mov.w #3d, R12 ; Set R12 to 3 |
| 26 | + mov.w R11, R13 ; Copy R11 to R13 (to preserve the original number) |
| 27 | + |
| 28 | + mod_divisible sub.w R12, R11 |
| 29 | + jz divisible_by_3 ; If R11 becomes 0, the number is divisible by 3 |
| 30 | + jn div_by_3_check ; If R11 is negative, it's not divisible by 3 |
| 31 | + jmp mod_divisible ; Continue the division process |
| 32 | + |
| 33 | + div_by_3_check ; Check if the current number is divisible by 4 |
| 34 | + mov.w R13, R11 ; Restore the original number |
| 35 | + mov.w #4d, R12 ; Set R12 to 4 |
| 36 | + |
| 37 | + mod_divisible_by_4 sub.w R12, R11 |
| 38 | + jz divisible_by_4 ; If R11 becomes 0, the number is divisible by 4 |
| 39 | + jn next_number ; If R11 is negative, it's not divisible by 4 |
| 40 | + jmp mod_divisible_by_4 ; Continue the division process |
| 41 | + |
| 42 | + divisible_by_3 ; The current number is divisible by 3, store it in the array |
| 43 | + mov.w R8, 0(R10) ; Store the divisible number in the array |
| 44 | + add.w #2d, R10 ; Move to the next position in the array |
| 45 | + inc.w R9 ; Increment the count |
| 46 | + jmp next_number ; Move to the next number |
| 47 | + |
| 48 | + divisible_by_4 ; The current number is divisible by 4, store it in the array |
| 49 | + mov.w R8, 0(R10) ; Store the divisible number in the array |
| 50 | + add.w #2d, R10 ; Move to the next position in the array |
| 51 | + inc.w R9 ; Increment the count |
| 52 | + |
| 53 | + next_number ; Check if we've found 50 divisible numbers |
| 54 | + cmp #50d, R9 |
| 55 | + jeq done ; If we've found 50 numbers, we're done |
| 56 | + |
| 57 | + ; Increment the current number and continue the loop |
| 58 | + inc.w R8 |
| 59 | + jmp findNumbers |
| 60 | + |
| 61 | + |
| 62 | +done ; End of the program |
72 | 63 |
|
| 64 | + |
| 65 | +; Allocate space in memory for the array |
| 66 | +arr .space 100 |
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