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| author | zedarider <ymherklotz@gmail.com> | 2016-02-26 21:40:24 +0000 |
|---|---|---|
| committer | zedarider <ymherklotz@gmail.com> | 2016-02-26 21:40:24 +0000 |
| commit | 6d8f08b4727e5630e547d0afbf39c819a43945f6 (patch) | |
| tree | 1f3fcb0185e339aa7cd7a14ece31c4fa474de9a1 /ARM_assembly/MultProject/Mult32x32.s | |
| parent | 110c42733ff3decdb62bc4347626489a2677d99b (diff) | |
| download | imperial_2015-6d8f08b4727e5630e547d0afbf39c819a43945f6.tar.gz imperial_2015-6d8f08b4727e5630e547d0afbf39c819a43945f6.zip | |
Adding ARM Assembly files
Diffstat (limited to 'ARM_assembly/MultProject/Mult32x32.s')
| -rw-r--r-- | ARM_assembly/MultProject/Mult32x32.s | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/ARM_assembly/MultProject/Mult32x32.s b/ARM_assembly/MultProject/Mult32x32.s new file mode 100644 index 0000000..03a06ca --- /dev/null +++ b/ARM_assembly/MultProject/Mult32x32.s @@ -0,0 +1,23 @@ + ;INITIALISATION + + MOV R0, #12 + MOV R1, #4 + MOV R2, R0 + MOV R3, #0 + MOV R5, #0 + MOV R6, #32 + + ;CODE + +MULT AND R4, R2, #1 ;movs LSB + + CMP R4, R5 ;Compares current and prev bit + ADDLO R3, R3, R1 ;adds if 0 1 + SUBHI R3, R3, R1 ;sub if 1 0 + MOV R5, R4 + + MOVS R3, R3, ASR #1 + MOV R2, R2, RRX + + SUBS R6, R6, #1 + BNE MULT |