Smalltalk-72 was the first operating Smalltalk system. While its syntax was almost as simple as that of LISP, its message stream model of evaluation allowed a modern style of object-oriented programming to be implemented and developed even within the bounds of what today would be called a minuscule environment (128k for interpreter, display bits, base classes and an application). Those who are interested in the details of this language are referred to <yet to be written paper>, but much of it will become obvious from reading the original Instruction Manual (see button) and playing with the system here.
Use the backslash key '\' to type the Smalltalk do-it character
More complete ST-72 character support is in process.