Update assembly code
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@@ -2,9 +2,11 @@
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.section .text
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func:
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init:
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MOV R0,#3 @Move 3 to R0
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MOV R1,#5 @Move 5 to R1
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MOV R2,#0 @Move 0 to R2
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MOV R3,#1000 @The value to compare with
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loop:
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add5:
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ADD R2,R2,R1 @Add R1 to R2
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@@ -14,21 +16,20 @@ add3:
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ADD R0,R0,#3 @Increment R0 by 3
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check3:
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CMP R0,#1000 @Is R0 less than 1000?
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BLT check5 @If true, check 5
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CMP R0,R3 @Is R0 less than 1000?
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BGE rmv15 @If the multiple of 3 is greater than 1000, go to rmv15
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check5:
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CMP R1,#1000 @Is R1 less than 1000?
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CMP R1,R3 @Is R1 less than 1000?
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BLT loop @If true, go back to loop
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BGE add3 @If the multiple of 5 reaches 1000, go to add3 - Continue adding multiples of 3, because those wouldn't have reached 1000 yet
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BGE add3 @If the multiple of 5 reaches 1000, go back to add3 instead of loop - Continue adding multiples of 3, because those wouldn't have reached 1000 yet
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rmv15:
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MOV R0,#15 @The loop that follows is intended to subtract multiples of 15, which would have been added twice - 3, 6, 9, 12, 15, 18 ; 5, 10, 15, 20
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MOV R0,#15 @The loop that follows is intended to subtract multiples of 15, which would have been added twice - 3, 6, 9, 12, [15], 18 ; 5, 10, [15], 20
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loop2:
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SUB R2,R2,R0
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ADD R0,R0,#15
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CMP R0,#1000
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CMP R0,R3
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BLT loop2
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