• Memory class question
    Is it possible to place some critical variables, as near memory type, in the on-chip 1K memory, yet other non-critical variables, still declared as near memory type, in the external memory? In other words...
  • HCONST User Class
    Hi, Does anyone know how to create a user class for the HCONST memory type using the c251 compiler similar to creating one for the ECODE memory type: #pragma userclass (ucode = foo). The above...
  • Register Coloring OPTIMIZATION question
    Hi, everyone: I am using Keil C251 verison4.53d, and the Register Coloring OPTIMIZATION compiler option does take effect indeed, code size decreased when it is used. In my Application, there exist timer...
  • SFR addressing question
    Where as all defined SFR's (IE ones that aren't reserved) fit within the range of S:080-S:0FF. So (considering the available IP variants) how can one address or even access S:000-S:07F or S:100-S:1FF...
  • memory class definitions.
    Hi i'm having a program for ST10 which has lots of variables defined. It works fine when I run it using MOnitor program i.e. through an external RAM. But when i change the settings to run it from flash...