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`include "gfx/gfx_defs.sv"
module gfx_mask_sram
(
input logic clk,
input logic set,
write,
input linear_coord write_addr,
read_addr,
output logic mask
);
logic mem[`GFX_LINEAR_RES];
logic mask_hold, write_hold, set_hold;
linear_coord read_addr_hold, write_addr_hold;
always_ff @(posedge clk) begin
mask <= mask_hold;
mask_hold <= mem[read_addr_hold];
read_addr_hold <= read_addr;
set_hold <= set;
write_hold <= write;
write_addr_hold <= write_addr;
if (write_hold)
mem[write_addr_hold] <= set_hold;
end
endmodule
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