We can do single stepping . Some of the useful commands are following:
Step over F10
Step into F11
Step out Shift + F11
Press F5 and you can see LED must be blinking on Board.
ROM run program or Flash run program
For making program to execute from run IAR has Release configuration. For that choose Release from drop down button below the Workspace window.
For release configuration we have to make following changes
choose none optimization.
Project > options > C/C++ Compiler > Optimization > Level
2.Linker script file for flash
Project > options > Linker > Config > Linker configuration file
choose LPC2148_flash.icf file
3.Generate HEX file
Project > options > Output Converter > output
check on Generate additional output
choose intel extended
Now build the project and you can see that hex file is generated in Release folder of project directory.
This file can be downloaded into flash memory by flash magic software.