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Tiny printf() - C version

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This is a tiny printf() function that can be used with the chips that come with the Launchpad. Code size is about 640 bytes with CCS.   There are 7 format specifiers: %c - Character %s - String %

CCS requires labels in asm code to begin in the first column, so leading spaces will cause problems. This is typical for assembler code.   Firefox may have problems with copy/paste from the forum. C

This code was written when the MSP430 Lauchpad shipped with chips that had 128 bytes of RAM, 2k of flash, and no hardware serial port. So it was important to keep code very compact and a software UART

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