Architectural Features
- The RS08 core does not manage a stack. During subroutine calls, it preserves a return address in a Shadow Program Counter register. If a subroutine in turn calls another subroutine, it can preserve the return address in a local variable, call subroutines as necessary, and restore the saved address just before returning.
- The core's Status register has Carry and Zero flag bits. Overflow and Negative, usually found in other cores, are not present.
Read more about this topic: Freescale RS08
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