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@ -182,6 +182,8 @@ for instance.
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There must be a way to tell the compiler which variables you require to be in Zeropage:
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There must be a way to tell the compiler which variables you require to be in Zeropage:
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``zeropage`` modifier keyword on vardecl perhaps?
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``zeropage`` modifier keyword on vardecl perhaps?
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option to omit the array size on the vardecl if an initialization array value is given?
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Variables that represent CPU hardware registers
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Variables that represent CPU hardware registers
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -260,9 +260,14 @@ type identifier type storage size example var declara
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- When a binary number has 9 to 16 digits, for example ``%1100110011``, it is seen as a ``word`` otherwise as a ``byte``.
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- When a binary number has 9 to 16 digits, for example ``%1100110011``, it is seen as a ``word`` otherwise as a ``byte``.
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- You can force a byte value into a word value by adding the ``.w`` datatype suffix to the number: ``$2a.w`` is equivalent to ``$002a``.
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- You can force a byte value into a word value by adding the ``.w`` datatype suffix to the number: ``$2a.w`` is equivalent to ``$002a``.
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**@todo pointers/addresses? (as opposed to normal WORDs)**
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**@todo signed integers (byte and word)?**
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.. todo::
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omit the array size in the var decl if an initialization array is given?
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**@todo pointers/addresses? (as opposed to normal WORDs)**
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**@todo signed integers (byte and word)?**
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Memory mapped variables
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Memory mapped variables
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@ -279,10 +284,12 @@ Constants
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^^^^^^^^^
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^^^^^^^^^
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All variables can be assigned new values unless you use the ``const`` keyword.
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All variables can be assigned new values unless you use the ``const`` keyword.
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The initial value will now be evaluated at compile time (it must be a compile time constant expression)
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The initial value will now be evaluated at compile time (it must be a compile time constant expression).
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and no storage is allocated for the constant::
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Storage is allocated only for the constant values that remain a the end of this process and that
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require it (floats, strings, arrays, matrices)::
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const byte max_age = 99
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const byte max_age = 99
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const str someName = "Peter"
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Reserved names
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Reserved names
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@ -306,7 +313,7 @@ If used in the place of a literal value, it expands into the actual array of val
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.. todo::
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.. todo::
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this may be used later in the for-loop as well. Add 'step' to range expression as well?
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this may be used later in the for-loop as well. Add 'step' to range expression?
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Operators
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Operators
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