Texas Instruments MSP50C6xx - Manual (Page 330)

Implementation Details
5-34
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|(old)R5 |
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|(old)R5 |
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|Return Addr |
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|Return Addr |
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|Param 2 |
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|Param 2 |
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|Param 1 |
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|Param 1 |
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R7,R5 |Stack data |
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SUBB R7,4