diff options
Diffstat (limited to 'techlibs/common/simlib.v')
-rw-r--r-- | techlibs/common/simlib.v | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v index 7c075b832..beb2b8857 100644 --- a/techlibs/common/simlib.v +++ b/techlibs/common/simlib.v @@ -929,6 +929,7 @@ module \$mem (RD_CLK, RD_ADDR, RD_DATA, WR_CLK, WR_EN, WR_ADDR, WR_DATA); parameter MEMID = ""; parameter SIZE = 256; +parameter OFFSET = 0; parameter ABITS = 8; parameter WIDTH = 8; @@ -957,14 +958,14 @@ generate for (i = 0; i < RD_PORTS; i = i+1) begin:rd if (RD_CLK_ENABLE[i] == 0) begin:rd_noclk always @(RD_ADDR or update_async_rd) - RD_DATA[ (i+1)*WIDTH-1 : i*WIDTH ] <= data[ RD_ADDR[ (i+1)*ABITS-1 : i*ABITS ] ]; + RD_DATA[ (i+1)*WIDTH-1 : i*WIDTH ] <= data[ RD_ADDR[ (i+1)*ABITS-1 : i*ABITS ] - OFFSET ]; end else if (RD_CLK_POLARITY[i] == 1) begin:rd_posclk always @(posedge RD_CLK[i]) - RD_DATA[ (i+1)*WIDTH-1 : i*WIDTH ] <= data[ RD_ADDR[ (i+1)*ABITS-1 : i*ABITS ] ]; + RD_DATA[ (i+1)*WIDTH-1 : i*WIDTH ] <= data[ RD_ADDR[ (i+1)*ABITS-1 : i*ABITS ] - OFFSET ]; end else begin:rd_negclk always @(negedge RD_CLK[i]) - RD_DATA[ (i+1)*WIDTH-1 : i*WIDTH ] <= data[ RD_ADDR[ (i+1)*ABITS-1 : i*ABITS ] ]; + RD_DATA[ (i+1)*WIDTH-1 : i*WIDTH ] <= data[ RD_ADDR[ (i+1)*ABITS-1 : i*ABITS ] - OFFSET ]; end end @@ -972,7 +973,7 @@ generate if (WR_CLK_ENABLE[i] == 0) begin:wr_noclk always @(WR_ADDR or WR_DATA or WR_EN) begin if (WR_EN[i]) begin - data[ WR_ADDR[ (i+1)*ABITS-1 : i*ABITS ] ] <= WR_DATA[ (i+1)*WIDTH-1 : i*WIDTH ]; + data[ WR_ADDR[ (i+1)*ABITS-1 : i*ABITS ] - OFFSET ] <= WR_DATA[ (i+1)*WIDTH-1 : i*WIDTH ]; #1 -> update_async_rd; end end @@ -980,13 +981,13 @@ generate if (RD_CLK_POLARITY[i] == 1) begin:rd_posclk always @(posedge WR_CLK[i]) if (WR_EN[i]) begin - data[ WR_ADDR[ (i+1)*ABITS-1 : i*ABITS ] ] <= WR_DATA[ (i+1)*WIDTH-1 : i*WIDTH ]; + data[ WR_ADDR[ (i+1)*ABITS-1 : i*ABITS ] - OFFSET ] <= WR_DATA[ (i+1)*WIDTH-1 : i*WIDTH ]; #1 -> update_async_rd; end end else begin:rd_negclk always @(negedge WR_CLK[i]) if (WR_EN[i]) begin - data[ WR_ADDR[ (i+1)*ABITS-1 : i*ABITS ] ] <= WR_DATA[ (i+1)*WIDTH-1 : i*WIDTH ]; + data[ WR_ADDR[ (i+1)*ABITS-1 : i*ABITS ] - OFFSET ] <= WR_DATA[ (i+1)*WIDTH-1 : i*WIDTH ]; #1 -> update_async_rd; end end |