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[/] [yac/] [trunk/] [rtl/] [vhdl/] [cordic_iterative_wb.vhd] - Diff between revs 5 and 7
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| Rev 5 |
Rev 7 |
| Line 441... |
Line 441... |
-- single cordic calculation is done:
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-- single cordic calculation is done:
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-- save the result and start the next one or
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-- save the result and start the next one or
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-- go back to idle
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-- go back to idle
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if state.st = ST_WAIT and cordic_done = '1' then
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if state.st = ST_WAIT and cordic_done = '1' then
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MEM_START := to_integer( state.cnt & "00" ); -- state.cnt * 4
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MEM_START := to_integer( state.cnt & "00" ); -- state.cnt * 4
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MEM( MEM_START+0 ) <= ( others => '0' );
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MEM( MEM_START+0 ) <= ( others => cordic_x_o( cordic_x_o'high ));
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MEM( MEM_START+1 ) <= ( others => '0' );
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MEM( MEM_START+1 ) <= ( others => cordic_y_o( cordic_y_o'high ) );
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MEM( MEM_START+2 ) <= ( others => '0' );
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MEM( MEM_START+2 ) <= ( others => cordic_a_o( cordic_a_o'high ) );
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MEM( MEM_START+0 )( cordic_x_o'range ) <= cordic_x_o;
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MEM( MEM_START+0 )( cordic_x_o'range ) <= cordic_x_o;
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MEM( MEM_START+1 )( cordic_y_o'range ) <= cordic_y_o;
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MEM( MEM_START+1 )( cordic_y_o'range ) <= cordic_y_o;
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MEM( MEM_START+2 )( cordic_a_o'range ) <= cordic_a_o;
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MEM( MEM_START+2 )( cordic_a_o'range ) <= cordic_a_o;
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