Assembly Language IF
C# example
int y = 0;
int x = 0;
if (y == 10)
{
x = 9;
}
Assembly Version 1
MOV R0, #0 MOV R1, #0 CMP R0, #10 BNE end MOV R1, #9 end:
Line 1 sets the value of Register 0 to the value 0.
Line 2 sets the value of Register 1 to the value 0.
Line 3 compares the value in Register 0 with the value 10.
Line 4 will branch to the .end label if the previous compare was NOT EQUAL.
Line 5 will move the value 9 into Register 1.
Line 6 is the .end label
Assembly Version 2
MOV R0, #0 MOV R1, #0 CMP R0, #10 BEQ true B end true: MOV R1, #9 end:
Line 1 sets the value of Register 0 to the value 0.
Line 2 sets the value of Register 1 to the value 0.
Line 3 compares the value in Register 0 with the value 10.
Line 4 will branch to the .true label if the previous compare was EQUAL.
Line 5 will branch to the .end
Line 6 is the label for the .true code
Line 7 will move the value 9 into Register 1.
Line 8 is the .end label