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[/] [System09/] [trunk/] [rtl/] [Spartan2/] [sys09bug_b5x_rom2k_b4.vhd] - Blame information for rev 159

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Line No. Rev Author Line
1 116 dilbert57
--
2
-- sys09bug_rom2k_b4.vhd
3
--
4
-- SYS09BUG Monitor ROM for the B5-X300 6809
5
-- Using 4 x RAMB4_S8 in the XC2S300e
6
--
7
-- John Kent
8
-- 3rd February 2007
9
-- Has the same entity name as SBUG so
10
-- it can be easily exchanged.
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--
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library IEEE;
13
use IEEE.STD_LOGIC_1164.ALL;
14
use IEEE.STD_LOGIC_ARITH.ALL;
15
library unisim;
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        use unisim.vcomponents.all;
17
 
18
entity mon_rom is
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    Port (
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       clk   : in  std_logic;
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       rst   : in  std_logic;
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       cs    : in  std_logic;
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       rw    : in  std_logic;
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       addr  : in  std_logic_vector (10 downto 0);
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       wdata : in  std_logic_vector (7 downto 0);
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       rdata : out std_logic_vector (7 downto 0)
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    );
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end mon_rom;
29
 
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architecture rtl of mon_rom is
31
 
32
   signal rdata0 : std_logic_vector (7 downto 0);
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   signal rdata1 : std_logic_vector (7 downto 0);
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   signal rdata2 : std_logic_vector (7 downto 0);
35
   signal rdata3 : std_logic_vector (7 downto 0);
36
 
37
   signal ena0 : std_logic;
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   signal ena1 : std_logic;
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   signal ena2 : std_logic;
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   signal ena3 : std_logic;
41
 
42
   signal we : std_logic;
43
 
44
   component RAMB4_S8
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    generic (
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        INIT_00, INIT_01, INIT_02, INIT_03,
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        INIT_04, INIT_05, INIT_06, INIT_07,
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        INIT_08, INIT_09, INIT_0A, INIT_0B,
49
        INIT_0C, INIT_0D, INIT_0E, INIT_0F : bit_vector (255 downto 0)
50
    );
51
 
52
    port (
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      clk, we, en, rst : in std_logic;
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      addr : in std_logic_vector(8 downto 0);
55
      di   : in std_logic_vector(7 downto 0);
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      do   : out std_logic_vector(7 downto 0)
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    );
58
  end component RAMB4_S8;
59
 
60
begin
61
 
62
  ROM0 : RAMB4_S8
63
    generic map (
64
    INIT_00 => x"A780A610C6C0DF8E106DFE8E2EFA1AFB1EFB8FFBCAFCB5FC97FC9DFC61F814F8",
65
    INIT_01 => x"17431FE4A7D0866AAFDD8C30FB265AE26F0CC65B0117E0DFBF00E08EF9265AA0",
66
    INIT_02 => x"03179FFE8E0C0417F62A5A19048B0327856D0DC64FD0DF8E4703177DFE8E9B04",
67
    INIT_03 => x"17408B981F4F04175E86092C2081891FF1270D817F84330417B30217A6FE8E2E",
68
    INIT_04 => x"20F00217A8FE8EF5266DFE8C02300F2780E137FE8E20C0022F60C14304174804",
69
    INIT_05 => x"17A4A60B0417A50317211F650217AEFE8E121F2D296B03173B341FBC2094ADC0",
70
    INIT_06 => x"27A4A1A4A7390F260D8117275E81DD271881E127088111285E0317030417A503",
71
    INIT_07 => x"0B031705201F30C0DF8E321FA20217BE203F31C2202131E103173F86E4031708",
72
    INIT_08 => x"279603170527E4AC011FF0C4201F0634F0C41000C3101F390124E1AC20340629",
73
    INIT_09 => x"265A8A03172C031780A610C69203172E0317E4AEEE0117AEFE8E103439623203",
74
    INIT_0a => x"29B70217BC20EE265A7303172E8602237E810425208180A610C6E1AE820317F5",
75
    INIT_0b => x"3984A73F86A4AFA0A709273F8184A60F271035558DFFFF8E10341A24C0DF8C1E",
76
    INIT_0c => x"4AAF0427268D1F304AAE431F39FB265A188D08C6E3DF8E104203163F86450317",
77
    INIT_0d => x"A7A0A7A0A7FF8684A7A4A604263F8184A60A24C0DF8C21AEB9FE16480217068D",
78
    INIT_0e => x"0186398D46E0B7E086408D393D3139F7265A0427A1ACA0A608C6E3DF8E1039A0",
79
    INIT_0f => x"178D47E0B7208645E0B744E0B743E0B74F42E0B701862D8D47E0B7EF8641E0B7"
80
    )
81
 
82
    port map (
83
                clk => clk,
84
                en => ena0,
85
                we => we,
86
                rst => rst,
87
                addr(8 downto 0) => addr(8 downto 0),
88
                di(7 downto 0)   => wdata,
89
                do(7 downto 0)   => rdata0
90
        );
91
 
92
  ROM1 : RAMB4_S8
93
    generic map (
94
    INIT_00 => x"E0B6F926808547E0B63B341F4AAF00C08EF42600C28C80A740E0B6218D00C08E",
95
    INIT_01 => x"54545454A6E6D0DF8E104444444462A6363439F927088547E0B639F227408547",
96
    INIT_02 => x"FCBD8435FD265A20C60434B63562E762EA62A70F8462A65858585853A6E6E4E7",
97
    INIT_03 => x"0234A80117F12631813D2739811F0217F9265381260217E2DF7F6402171186DF",
98
    INIT_04 => x"E0EB02340C2904358E01170434E46AE46AE4EBE0EBE0E6103421299101172629",
99
    INIT_05 => x"0117E26F0E02161386E2DF731602173F86BA27FFC102355FEB2080A70527E46A",
100
    INIT_06 => x"2320008310062762A3E4ECF501171286DFFCBDE4AF0130492562AC4D2930344A",
101
    INIT_07 => x"1780A684EB63EB62EB68011762AE750117981F03CB2F0017EFFE8E64E720C602",
102
    INIT_08 => x"10347120028D396532B301171486C326E4AC62AF5B0117981F53F526646A6501",
103
    INIT_09 => x"8D618D394AAF0229F68DF28D910017E50016F800169D01169035690017A0FE8E",
104
    INIT_0a => x"498D3944AF0229D58DD18D5E8D3946AF0229E08DDC8D728D3948AF0229EB8DE7",
105
    INIT_0b => x"8D3941A70229B18DB08D588D3942A70229BC8DBB8D6C8D3943A70229C78DC68D",
106
    INIT_0c => x"BF0016311FF48DB2FE8E39F726048180A63B011739C4A7808A0429A68DA58D5F",
107
    INIT_0d => x"8DC4FE8EE12044AED78DCAFE8EB4001643A6E18DD0FE8EF42048AEEA8DBEFE8E",
108
    INIT_0e => x"D02042A6B38DDBFE8ED92041A6BC8DD6FE8ECF204AAEC58DB8FE8ED82046AECE",
109
    INIT_0f => x"AEFE8EBF8DB88DB08DA98DA18D27FF17AEFE8E900016E7FE8EC4A6AA8DE0FE8E"
110
    )
111
 
112
    port map (
113
                clk => clk,
114
                en => ena1,
115
                we => we,
116
                rst => rst,
117
                addr(8 downto 0) => addr(8 downto 0),
118
                di(7 downto 0)   => wdata,
119
                do(7 downto 0)   => rdata1
120
        );
121
 
122
  ROM2 : RAMB4_S8
123
    generic map (
124
    INIT_00 => x"3C29088D011F42290E8DB400172D86121F4D29098DD520CE8DC78DC08D17FF17",
125
    INIT_01 => x"811D253081578D39E0AB04342829078D891F484848483229118D903561A71034",
126
    INIT_02 => x"3439021A39578003226681072561813937800322468112254181393080032239",
127
    INIT_03 => x"C602344D20078B022F3981308B0F840235048D4444444402340235028D023510",
128
    INIT_04 => x"BE10342D207F84048D0627E2DF7D8235F1265A3B8D3F8D2D860225E46880A608",
129
    INIT_05 => x"B605260185E0DF9FA60234903501A6EE27018584A620E08E0926018584A6E0DF",
130
    INIT_06 => x"BE138D903501A70235FA27028584A6E0DFBE1234458D2086008D8235018520E0",
131
    INIT_07 => x"E703E702A7FBDFFD0000CC30E08E39E2DFB7FF86016D84A7118684A70386E0DF",
132
    INIT_08 => x"810D20748D0427FEDF7D30E08E16345986028D1B86FEDF7F01E702C6FDDFFD04",
133
    INIT_09 => x"8E0027101A816C0027101B814100271008819635C5001784A70520098D042420",
134
    INIT_0a => x"5CFBDFFC51260A81110027100B812C0027100C81990027100D81450027101681",
135
    INIT_0b => x"DFB66800164A3327FBDFB67400165A3C0027105DFBDFFC9900168300261019C1",
136
    INIT_0c => x"54816E002710598116273DC1FEDFF65800160000CC5B00162500271050814CFB",
137
    INIT_0d => x"ED224F812080FEDF7F39FDDFB70426FDDF7D39FEDF7F39FEDFB704263D813127",
138
    INIT_0e => x"26508102A74C84E720C6FBDFB6168D0000CC1B20E12218C120C0FDDF7FFDDFF6",
139
    INIT_0f => x"5AEA2619C15C4FF02650814CFBDFFC3903E702A7FBDFFDFCDFF64F39FEDF7FF7"
140
    )
141
 
142
    port map (
143
                clk => clk,
144
                en => ena2,
145
                we => we,
146
                rst => rst,
147
                addr(8 downto 0) => addr(8 downto 0),
148
                di(7 downto 0)   => wdata,
149
                do(7 downto 0)   => rdata2
150
        );
151
 
152
  ROM3 : RAMB4_S8
153
    generic map (
154
    INIT_00 => x"FCDFF6F42650C15C84A702E7FBDFF72086FBDFF604E75F012519C15C04E6E78D",
155
    INIT_01 => x"7FFB0369FB0274FB0139FEDFF702E7FBDFF75FE4205F03E7FCDFF7082719C15C",
156
    INIT_02 => x"F84DBCFA505EFA4CA5F847FDF8455CF94248FB1953FB183DFB1531FB105EFB04",
157
    INIT_03 => x"000A0DFFFFFFFF94F9A7F8A7F8A7F8A7F894F9D5F94488F958F1F853EDFB52A8",
158
    INIT_04 => x"4B04202D2020303033582D354220524F4620342E312047554239305359530000",
159
    INIT_05 => x"2020043D43502020043D5053202004202D20043F54414857043E040000000A0D",
160
    INIT_06 => x"043D422020043D412020043D50442020043D58492020043D59492020043D5355",
161
    INIT_07 => x"000000000000000000000000000004315343565A4E4948464504203A43432020",
162
    INIT_08 => x"300B2784AC1084AF1084EEAA558E10A0D08E84A7F086FB264A80A70F86F0FF8E",
163
    INIT_09 => x"2DA7D0DF8E10C0DFCE10FDFFB74444444443101F84EFD620ED26A0F08C00F089",
164
    INIT_0a => x"1084AF10AA558E1084EE2227A0F08C00F08930FB2A4AA66F0C862FA7F0862E6F",
165
    INIT_0b => x"2EA7D0DF8E10F186D520A5A70F88891F44444444101FD0DF8E1084EFE92684AC",
166
    INIT_0c => x"8EF32D0C814C80E7A66F0427A6E6211F4F2CE7A66F1420F92A4A0526A6E60C86",
167
    INIT_0d => x"9F6EC6DF9F6EC4DF9F6EC0DF9F6E62F816E2DFF753F9265A80A7A0A610C6F0FF",
168
    INIT_0e => x"0822CEDFBC8B300F27FFFF8CCCDFBE49584F4AAF80E64AAE431FCADF9F6EC8DF",
169
    INIT_0f => x"00FFB2FFC2FFBEFFBAFFB6FFC6FFB2FFC2DF9F6E42EE1F37F16E44AEC4EC1034"
170
    )
171
 
172
    port map (
173
        clk => clk,
174
        en => ena3,
175
        we => we,
176
        rst => rst,
177
        addr(8 downto 0) => addr(8 downto 0),
178
        di(7 downto 0)   => wdata,
179
        do(7 downto 0)   => rdata3
180
        );
181
 
182
my_sys09bug_b4 : process ( cs, rw, addr, rdata0, rdata1, rdata2, rdata3 )
183
begin
184
        case addr(10 downto 9) is
185
        when "00" =>
186
                ena0  <= cs;
187
                ena1  <= '0';
188
                ena2  <= '0';
189
                ena3  <= '0';
190
                rdata <= rdata0;
191
        when "01" =>
192
                ena0  <= '0';
193
                ena1  <= cs;
194
                ena2  <= '0';
195
                ena3  <= '0';
196
                rdata <= rdata1;
197
        when "10" =>
198
                ena0  <= '0';
199
                ena1  <= '0';
200
                ena2  <= cs;
201
                ena3  <= '0';
202
                rdata <= rdata2;
203
        when "11" =>
204
                ena0  <= '0';
205
                ena1  <= '0';
206
                ena2  <= '0';
207
                ena3  <= cs;
208
                rdata <= rdata3;
209
        when others =>
210
                null;
211
        end case;
212
 
213
        we <= not rw;
214
 
215
end process;
216
 
217
end architecture rtl;
218
 

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