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| author | Santo Cariotti <santo@dcariotti.me> | 2021-02-06 19:56:36 +0100 |
|---|---|---|
| committer | Santo Cariotti <santo@dcariotti.me> | 2021-02-06 19:56:36 +0100 |
| commit | d2edbc38cac8da52f58c5cd3da6c0c625fa05736 (patch) | |
| tree | a51e9a4e56fc9d4c7c9e37576dceedca3a0c72b4 /Year_1/Computer_Architecture/multiply.asm | |
| parent | 98f34040820dc3a964b7be59a698323e8cc6c8a3 (diff) | |
conf: rename
Diffstat (limited to 'Year_1/Computer_Architecture/multiply.asm')
| -rw-r--r-- | Year_1/Computer_Architecture/multiply.asm | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Year_1/Computer_Architecture/multiply.asm b/Year_1/Computer_Architecture/multiply.asm new file mode 100644 index 0000000..1635a6d --- /dev/null +++ b/Year_1/Computer_Architecture/multiply.asm @@ -0,0 +1,21 @@ +op_1 dcd 4 +op_2 dcd 10 + + mov r0, #op_1 + ldr r1, [r0] + + mov r0, #op_2 + ldr r2, [r0] + + mov r0, #0 + +loop + cmp r2, #0 + beq loop_end + + add r0, r0, r1 + sub r2, r2, #1 + b loop + +loop_end + end |