error "no source files in list"

I am using the keil PK51-2k compiler and i make a projekt and then start with the function "file:new" and write my program and then i want to use the function "make:build projekt" i get always this error...
error "no source files in list"

I am using the keil PK51-2k compiler and i make a projekt and then start with the function "file:new" and write my program and then i want to use the function "make:build projekt" i get always this error...
FormFeed in source listing

Hi, I want to print my source code (*.C files) with a Form Feed at specific positions. Printing will be on a HP LaserJet 5P. I tried to insert a FF character as comment, but my printer does not do...
FormFeed in source listing

Hi, I want to print my source code (*.C files) with a Form Feed at specific positions. Printing will be on a HP LaserJet 5P. I tried to insert a FF character as comment, but my printer does not do...
Flat source listing including library calls

I would like to use floats for a particular routine in my project. However I do not have enough space to include the float library and leave it there statically. To effectively have a larger code space...