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Document predefined constants

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3214 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2004-10-06 21:12:28 +00:00
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@ -3657,6 +3657,7 @@ each supported CPU a constant similar to
CPU_65C02
CPU_65816
CPU_SUNPLUS
CPU_SWEET16
</verb></tscreen>
is defined. These constants may be used to determine the exact type of the
@ -3669,6 +3670,7 @@ another constant is defined:
CPU_ISET_65C02
CPU_ISET_65816
CPU_ISET_SUNPLUS
CPU_ISET_SWEET16
</verb></tscreen>
The value read from the <tt/<ref id=".CPU" name=".CPU">/ pseudo variable may
@ -3698,6 +3700,34 @@ CPUs (the latter two are upwards compatible to the 65SC02).
<sect>Predefined constants<label id="predefined-constants"><p>
For better orthogonality, the assembler defines similar symbols as the
compiler, depending on the target system selected:
<itemize>
<item><tt/__ACE__/ - Target system is <tt/ace/
<item><tt/__APPLE2__",/ - Target system is <tt/apple2/
<item><tt/__APPLE2ENH__",/ - Target system is <tt/apple2enh/
<item><tt/__ATARI__/ - Target system is <tt/atari/
<item><tt/__ATMOS__",/ - Target system is <tt/atmos/
<item><tt/__BBC__",/ - Target system is <tt/bbc/
<item><tt/__C128__/ - Target system is <tt/c128/
<item><tt/__C16__/ - Target system is <tt/c16/
<item><tt/__C64__/ - Target system is <tt/c64/
<item><tt/__CBM__/ - Target is a Commodore system
<item><tt/__CBM510__/ - Target system is <tt/cbm510/
<item><tt/__CBM610__/ - Target system is <tt/cbm610/
<item><tt/__GEOS__",/ - Target system is <tt/geos/
<item><tt/__LUNIX__",/ - Target system is <tt/lunix/
<item><tt/__NES__",/ - Target system is <tt/nes/
<item><tt/__PET__/ - Target system is <tt/pet/
<item><tt/__PLUS4__/ - Target system is <tt/plus4/
<item><tt/__SUPERVISION__",/ - Target system is <tt/supervision/
<item><tt/__VIC20__/ - Target system is <tt/vic20/
</itemize>
<sect>Structs and unions<label id="structs"><p>
Structs and unions are special forms of <ref id="scopes" name="scopes">. They