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simpleworld-1.0.odt 2010-10-11 97.0 kB
README 2010-10-11 997 Bytes
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The CPU now uses register windows to easy the development. Now there
are two kinds of registers:
a) Global registers: registers shared by all the program (pc, sp, fp,
   cs and g0-g3).
b) Local registers: registers that only the current function can see
   (r0-r7).
By using register windows the code is more compact, uses less stack
space and is easier to read/change.

The rename and reorder of the registers make this version code and
binary incompatible with the previous one.

The Simple World Language was improved with the addition of conditional
code compilation and macros:
a) A block of code can be compiled or not depending if a given
   identificator is defined or not. Using ifdef/endif a block is
   compiled if the given identificator is defined. Using ifndef/endif
   a block of code is compiles if the given identificator is not
   defined.
b) A macro is a block of code linked with a identificator. When the
   macro is used the optional parameters are substituted by its value.
Source: README, updated 2010-10-11