• ARM mode Thumb mode switching
    Note: This was originally posted on 13th January 2011 at http://forums.arm.com Hi, Let me explain my problem, i come across one situation cmp r1,#0 beq labels_of1 i would like to merge both the instructions...
  • Flash programming & Thumb mode
    Hi All, I use the Keil uVersion3 and MCBSTR9 EVAL board to run the FMI example from ST and find it is not working unless you compile the code in thumb-mode instead of ARM-mode. Can anyone give me...
  • Thumb mode and ARM_common_call_via_r0
    Why does the compiler bother with the __ARM_common_call_via_r0 (_r1, _r2, etc.) functions? They end up being a Thumb instruction of "BX Rn", which is shorter than the call to get to this instruction...
  • Debug mode & Release mode
    In PK51 C compiler, do exist the debug mode & release mode likely IAR compiler?
  • Debug Mode
    Hello, I set up two 'options for target': 1: standard flash download ROM adress 0x80000000, size 0x200000 RAM adress 0x81000000, size 0x100000 use onChip RAM 2: debug mode ROM adress...