Sat, 06 Aug 2011 00:02:46 +0100
[UPSTREAM PULL] Update baseline to LatticeMico32 v3.8 from Diamond 1.3-lm32 distribution package (datestamp May 2011)
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37 // FILE DETAILS
38 // Project : LatticeMico32
39 // File : lm32_logic_op.v
40 // Title : Logic operations (and / or / not etc)
41 // Dependencies : lm32_include.v
42 // Version : 6.1.17
43 // : Initial Release
44 // Version : 7.0SP2, 3.0
45 // : No Change
46 // Version : 3.1
47 // : No Change
48 // =============================================================================
50 `include "lm32_include.v"
52 /////////////////////////////////////////////////////
53 // Module interface
54 /////////////////////////////////////////////////////
56 module lm32_logic_op (
57 // ----- Inputs -------
58 logic_op_x,
59 operand_0_x,
60 operand_1_x,
61 // ----- Outputs -------
62 logic_result_x
63 );
65 /////////////////////////////////////////////////////
66 // Inputs
67 /////////////////////////////////////////////////////
69 input [`LM32_LOGIC_OP_RNG] logic_op_x;
70 input [`LM32_WORD_RNG] operand_0_x;
71 input [`LM32_WORD_RNG] operand_1_x;
73 /////////////////////////////////////////////////////
74 // Outputs
75 /////////////////////////////////////////////////////
77 output [`LM32_WORD_RNG] logic_result_x;
78 reg [`LM32_WORD_RNG] logic_result_x;
80 /////////////////////////////////////////////////////
81 // Internal nets and registers
82 /////////////////////////////////////////////////////
84 integer logic_idx;
86 /////////////////////////////////////////////////////
87 // Combinational Logic
88 /////////////////////////////////////////////////////
90 always @(*)
91 begin
92 for(logic_idx = 0; logic_idx < `LM32_WORD_WIDTH; logic_idx = logic_idx + 1)
93 logic_result_x[logic_idx] = logic_op_x[{operand_1_x[logic_idx], operand_0_x[logic_idx]}];
94 end
96 endmodule