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22 lines
549 B
ArmAsm
22 lines
549 B
ArmAsm
13 years ago
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/*
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__even_in_range
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pseudo code ==> if __value not even or out of range return 0
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This code assumes that the two paremeters are passed in R12 and R14
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and the return is passed back in R12
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*/
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.name __even_in_range
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.text
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__even_in_range:
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bit.b #0, r12 ; //test: __value is even?
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jnz NotValid
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cmp.b r12, r14 ; // test: __value in range?
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jlo Exit
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NotValid: ; not valid set r12 = 0 else leave passed paremeter in r12 to be returned
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mov.b #0, r12
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Exit:
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ret
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.global __even_in_range
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