?? a86_flags.v
字號:
// http://gforge.openchip.org/projects/a86
`include "timescale.v"
`include "a86_defines.v"
module a86_flags(
clk,
we,
wmask,
outmask,
outval,
din,
flags
);
input clk;
input we;
input [15:0] wmask;
input [15:0] outmask;
input [15:0] outval;
input [15:0] din;
output [15:0] flags;
reg [15:0] flags;
// latches
reg [15:0] flags_r;
// Latch writes to sp reg
always @ (posedge clk)
if (we) flags_r <= din;
always @ (flags_r)
flags <= flags_r & outmask;
endmodule
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