To start programming with TASM 1.4, you'll need a text editor and a way to assemble and link your code. You can use a simple text editor like EDIT.COM or a more advanced IDE like Borland's Turbo Pascal.
tasm hellocom.asm tlink /t hellocom.obj ; /t → produce .COM
TASM 1.4 uses a syntax similar to other assemblers. Here are some basic commands:
Creating a .ASM file in a simple text editor. Assembling: Using TASM.EXE to create an object file ( .OBJ ).