OPTIMIZATION AND OVERHEAD
The intention of this paper is to analyze the overhead of memory used, while employing a C compiler as opposed to Assembly for PICmicro® MCU projects. The example code and the numbers used in this paper are for a 14-bit opcode target processor. ROM location counts are given for 14-bit words. For estimation purposes, one can assume that there are 5 ROM locations per C source line. This means that about 200 lines are used for a 1K part, 800 lines for a 4K part, or 1600 lines for an 8K part. The analysis presented herein is presented for Version 3.073 of the CCS C compiler.
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