Apple II
Sample Code Notes
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                                                  Developer Technical Support

#7:    Jiffy.Windows

Version:    3.0                                                     June 1990

APW Components:    Jiffy.asm1
                   Jiffy.asm2
                   Jiffy.Stds.asm
                   Full.Build
                   Build
                   Build.Macros 

MPW Components:    Jiffy.Windows.Aii
                   Jiffy.Stds.Aii
                   MakeFile

This assembly-language program presents a technique for updating windows 
quickly, using window contents that have been drawn beforehand and cached in 
off-screen bitmaps.  Both the standard windows and the window content caching 
method are used in this demonstration for performance comparison.
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The sample program also shows how to use AlertWindow, a Window Manager call 
supported on Apple IIGS System Disk 3.2 and later.  A fast way to shutdown the 
Window Manager is included as well.

APW users need APW v.1.0, APW Tools & Interfaces v.1.1, and Apple IIGS System 
Software 5.0.2 or later.  Three APW command files, Full.Build, Build, and 
Build.Macros allow you to perform complete or partial rebuilds of the load 
file Jiffy.Windows.

MPW IIGS users need MPW v.3.0, MPW IIGS Tools v.1.1, and MPW IIGS Assembler 
v.1.0 or later.  The name needed by the MPW Build menu's Build option can be 
found in the MakeFile.
