In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:

I figured out how cc1b allocates ram to variables.
See attached text file for a summary on allocation.
Since rambank1 for sx18/20/28 represents another ram area than rambank1 for sx48/52
I added a #define to the 5 header files for chiptypes. (attached zip file).
chip sx18: added #define _CHIP_SX18_
chip sx20: added #define _CHIP_SX20_
chip sx28: added #define _CHIP_SX28_
chip sx48: added #define _CHIP_SX48_
chip sx52: added #define _CHIP_SX52_

These allow us to do conditional compilation based on chiptype, eg
#ifdef _CHIP_SX18_
//sx18 specific code
#endif

regards peter

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