Difference between revisions of "Assembly Language Logical Shift"
(Created page with "This example uses a Logical Shift to perform multiplication. INP R0,2 INP R1,2 MOV R2, R1 MOV R3, R0 LOOP: LSL R3,R3,#1 LSR R2,R2,#1...") |
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MOV R3, R0 | MOV R3, R0 | ||
LOOP: LSL R3,R3,#1 | LOOP: LSL R3,R3,#1 | ||
| − | + | SUB R2,R2,#2 | |
CMP R2,#1 | CMP R2,#1 | ||
BGT LOOP | BGT LOOP | ||
Revision as of 10:29, 14 January 2019
This example uses a Logical Shift to perform multiplication.
INP R0,2
INP R1,2
MOV R2, R1
MOV R3, R0
LOOP: LSL R3,R3,#1
SUB R2,R2,#2
CMP R2,#1
BGT LOOP
BLT END
ADD R3,R3,R0
END: OUT R3,4
HALT
