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RealView Compiler User's Guide

SYS_WRITE0 (0x04)

A.3.24. SYS_WRITE0 (0x04)

Writes a null‑terminated string to the debug channel. When executed under an ARM debugger, the characters appear on the host debugger console.

Entry

On entry, r1 contains a pointer to the first byte of the string.

Return

None. Register r0 is corrupted.

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