From d2edbc38cac8da52f58c5cd3da6c0c625fa05736 Mon Sep 17 00:00:00 2001 From: Santo Cariotti Date: Sat, 6 Feb 2021 19:56:36 +0100 Subject: conf: rename --- Year_1/Computer_Architecture/multiply.asm | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Year_1/Computer_Architecture/multiply.asm (limited to 'Year_1/Computer_Architecture/multiply.asm') 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 -- cgit v1.2.3-18-g5258