URL
https://opencores.org/ocsvn/t80/t80/trunk
Subversion Repositories t80
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- This comparison shows the changes necessary to convert path
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- from Rev 25 to Rev 26
- ↔ Reverse comparison
Rev 25 → Rev 26
/trunk/rtl/vhdl/T80_MCode.vhd
1,7 → 1,7
-- |
-- Z80 compatible microprocessor core |
-- |
-- Version : 0238 |
-- Version : 0238b |
-- |
-- Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org) |
-- |
54,6 → 54,8
-- |
-- 0238 : Added NoRead signal |
-- |
-- 0238b: Fixed instruction timing for POP and DJNZ |
-- |
|
library IEEE; |
use IEEE.std_logic_1164.all; |
455,7 → 457,6
MCycles <= "011"; |
case to_integer(unsigned(MCycle)) is |
when 1 => |
TStates <= "101"; |
Set_Addr_To <= aSP; |
when 2 => |
IncDec_16 <= "0111"; |
873,6 → 874,7
MCycles <= "011"; |
case to_integer(unsigned(MCycle)) is |
when 1 => |
TStates <= "101"; |
I_DJNZ <= '1'; |
Set_BusB_To <= "1010"; |
Set_BusA_To(2 downto 0) <= "000"; |