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21 lines
549 B
21 lines
549 B
/* |
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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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