Version 0.6 - 6/22/05
Version 0.5 - 5/5/05
Version 0.4 - 4/24/05
Version 0.3 - 4/1/05
Version 0.2 - 1/12/05
Version 0.1 - 1/2/05
Version 0.0 - 12/30/04
New features:
- now using GNU Classpath instead of Sun's classes
- exceptions such as NoClassDefFoundError now being thrown with a message (in this case, the missing class)
- results of class, method, and field resolution being cached in class's constant pool
- now able to print using System.out.println()!
- Thread.currentThread() works
Bug fixes:
- packages are now loading
- the LDC family of instructions now loads Strings
- LDC now loads floats properly (was truncating the fractional part)
- exceptions weren't being propagated in many places
- shift instructions were using an improper bitmask on the shift index
- fields weren't actually loading their type
- object sizes now calculated using field sizes instead of number of fields (longs and doubles count for two each)
New features:
- command line for testing and demonstration
- exceptions can now be caught
Bug fixes:
- Java class objects for array classes are now being initialized properly
- large signed integers are now being read in properly from the bytecode stream
- 'jump' bytecodes now all calculate the jump offset properly
- fields are now inherited
New features:
- minimal bytecode execution
- more sophisticated tracing options
- support for arrays
- beginning support for dynamic libraries
Bug fixes:
- lock() now uses currentThread rather than threadGetCurrent() so that the current thread is never viewed as NULL, so that lock() could be called (usually indirectly) from an interrupt handler
- replaced assert() with massert(), so now *all* assertions are not dependent on malloc()
New features:
- header files reorganized
- invocation of native methods
Bug fixes:
- fixed bug where threadYield wasn't setting stack data in correct order
- finally got garbage collection and class creation to work together
New features:
- conservative garbage collector (Woot!)
- set ADT
New features:
- opening of class files
- optional heap consistency checking
Features:
- floppy access
- basic DMA
- open/read/close FAT files
- multithreading
- keyboard input
- screen output
- printf
- assertions
- malloc
- string functions
- list ADT
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