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https://opencores.org/ocsvn/zet86/zet86/trunk
[/] [zet86/] [trunk/] [sim/] [testbench.v] - Diff between revs 14 and 21
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| Rev 14 |
Rev 21 |
| Line 8... |
Line 8... |
wire [19:0] addr;
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wire [19:0] addr;
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wire we;
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wire we;
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wire m_io;
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wire m_io;
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wire byte_m;
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wire byte_m;
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wire ack_i;
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wire ack_i;
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wire stb;
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reg clk, rst;
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reg clk, rst;
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reg [15:0] io_reg;
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reg [15:0] io_reg;
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reg [ 1:0] ack;
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reg [ 1:0] ack;
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// Module instantiations
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// Module instantiations
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memory mem0 (clk, addr, wr_data, mem_data, we & ~m_io, byte_m);
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memory mem0 (clk, addr, wr_data, mem_data, stb & we & ~m_io, byte_m);
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cpu cpu0 (
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cpu cpu0 (
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.clk_i (clk),
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.clk_i (clk),
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.rst_i (rst),
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.rst_i (rst),
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.dat_i (rd_data),
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.dat_i (rd_data),
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.dat_o (wr_data),
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.dat_o (wr_data),
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.adr_o (addr),
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.adr_o (addr),
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.we_o (we),
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.we_o (we),
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.mio_o (m_io),
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.mio_o (m_io),
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.byte_o (byte_m),
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.byte_o (byte_m),
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.stb_o (stb),
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.ack_i (ack_i)
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.ack_i (ack_i)
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);
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);
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// Assignments
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// Assignments
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assign io_data = (addr[15:0]==16'hb7) ? io_reg : 16'd0;
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assign io_data = (addr[15:0]==16'hb7) ? io_reg : 16'd0;
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