Smalltalk MT 4.0 Release Notes

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What's New in Smalltalk MT 4.0

bulletDevelopment Environment
bulletCode Editor
bullet Development Image runs in read-only mode
bullet Improved floating point handling
bulletRuntime and Libraries
bullet DirectX 8 Library and Framework
bullet Improved Memory Performance

Development Environment

Code Editor
  The code editor now comes with active syntax highlighting, bookmarks, column selection (when holding down the CTRL key), and a split mode that opens multiple instances on the same text.
Development Image runs in read-only mode
  Smalltalk MT can now run in read-only mode (from a write-protected shared folder or a CD-ROM). In this mode, code can be executed and compiled but the image cannot be saved into the same folder. However, the image can be saved into another folder with write access.
Improved floating-point handling
bulletInlined float accessors can now handle 32-bit values. This allows you to store a 32-bit value into a float field directly, without the need to create an intermediate float.
bulletA structure in a structure array can be accessed using #_structAt:. The pseudo-message _structAt: applies to inlined structures and evaluates to the position in the structure array. Subsequent structure accesses are inlined.
bulletSmalltalk MT now has inline support for most trigonometric and transcendental functions. 

Runtime and Libraries

DirectX 8 Library and Framework
  Use Smalltalk MT to create state-of-the-art DirectX games and animations! The DirectX 8 application framework allows you to easily create 3D animations, sound, manage input and more. A complete set of samples demonstrate various aspects of DirectX programming. 
Improved Memory Performance
  Allocating very large numbers of objects is now significantly faster. 
Windows XP Support
The development image supports Windows XP from the ground up, and implements the frameworks to allow you to write applications that are optimized for Windows XP. In particular, this includes methods for version checking, transparent user impersonation support in the registry interface, and support for the new visual styles. 


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