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https://opencores.org/ocsvn/t48/t48/trunk
Subversion Repositories t48
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- This comparison shows the changes necessary to convert path
/
- from Rev 248 to Rev 249
- ↔ Reverse comparison
Rev 248 → Rev 249
/trunk/rtl/vhdl/clock_ctrl.vhd
3,7 → 3,7
-- The Clock Control unit. |
-- Clock States and Machine Cycles are generated here. |
-- |
-- $Id: clock_ctrl.vhd,v 1.11 2006-06-20 00:46:38 arniml Exp $ |
-- $Id: clock_ctrl.vhd,v 1.12 2006-07-14 01:04:35 arniml Exp $ |
-- |
-- Copyright (c) 2004, 2005, Arnim Laeuger (arniml@opencores.org) |
-- |
230,18 → 230,12
end if; |
|
when MSTATE2 => |
if xtal2_s then |
-- PROG is removed at the end of XTAL2 of second machine cycle |
-- according to the user manual, PROG should be removed at the |
-- end of XTAL3 but this would raise the need to change P2 at |
-- XTAL1 or XTAL2 -> introduction of inter-xtal timing in |
-- the rest of the core. |
prog_q <= false; |
end if; |
if xtal3_s then |
-- RD, WR are removed at the end of XTAL3 of second machine cycle |
rd_q <= false; |
wr_q <= false; |
-- so is PROG |
prog_q <= false; |
end if; |
|
when MSTATE3 => |
407,6 → 401,9
-- File History: |
-- |
-- $Log: not supported by cvs2svn $ |
-- Revision 1.11 2006/06/20 00:46:38 arniml |
-- new input xtal_en_i gates xtal_i base clock |
-- |
-- Revision 1.10 2005/11/01 21:24:21 arniml |
-- * shift assertion of ALE and PROG to xtal3 |
-- * correct change of revision 1.8 |