| Line 1... |
Line 1... |
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- The skip unit.
|
-- The skip unit.
|
-- Skip conditions are checked here and communicated to the decoder unit.
|
-- Skip conditions are checked here and communicated to the decoder unit.
|
--
|
--
|
-- $Id: t400_skip.vhd,v 1.3 2006-05-27 19:16:52 arniml Exp $
|
-- $Id: t400_skip.vhd,v 1.4 2006-05-28 15:35:33 arniml Exp $
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--
|
--
|
-- Copyright (c) 2006 Arnim Laeuger (arniml@opencores.org)
|
-- Copyright (c) 2006 Arnim Laeuger (arniml@opencores.org)
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--
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--
|
-- All rights reserved
|
-- All rights reserved
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--
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--
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| Line 185... |
Line 185... |
end if;
|
end if;
|
|
|
-- pop skip state for RET from interrupt routine ------------------
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-- pop skip state for RET from interrupt routine ------------------
|
when SKIP_POP =>
|
when SKIP_POP =>
|
if t420_type_v then
|
if t420_type_v then
|
skip_q <= skip_int_q;
|
-- push'ed info must be pop'ed to skip_next_q as pop'ing
|
skip_next_q <= false;
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-- happens during RET of interrupt routine
|
|
-- skip info is valid for next instruction
|
|
skip_next_q <= skip_int_q;
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skip_int_q <= false;
|
skip_int_q <= false;
|
end if;
|
end if;
|
|
|
when others =>
|
when others =>
|
null;
|
null;
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| Line 214... |
Line 216... |
|
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
-- File History:
|
-- File History:
|
--
|
--
|
-- $Log: not supported by cvs2svn $
|
-- $Log: not supported by cvs2svn $
|
|
-- Revision 1.3 2006/05/27 19:16:52 arniml
|
|
-- interrupt functionality added
|
|
--
|
-- Revision 1.2 2006/05/20 02:47:52 arniml
|
-- Revision 1.2 2006/05/20 02:47:52 arniml
|
-- skip-on-timer implemented
|
-- skip-on-timer implemented
|
--
|
--
|
-- Revision 1.1.1.1 2006/05/06 01:56:45 arniml
|
-- Revision 1.1.1.1 2006/05/06 01:56:45 arniml
|
-- import from local CVS repository, LOC_CVS_0_1
|
-- import from local CVS repository, LOC_CVS_0_1
|
