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AddRemoveArea.v
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AddRemoveArea.v
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module AddRemoveArea(Selector, Increment, RoomDigit1, RoomDigit0);
//inputs
input [7:0] Selector;
input wire Increment;
//outputs
output reg [3:0] RoomDigit1, RoomDigit0;
always @ ( posedge Increment) begin
if (Selector == 21) begin
if (RoomDigit0 == 4'b0000) begin //if 9 seconds na, i zero niya then i increment si tens
RoomDigit0 <= 9;
if(RoomDigit1 == 4'b0000) //if 99 seconds na, i zero niya si tens then i increment si minutes
RoomDigit1 <= 9;
else
RoomDigit1 <= RoomDigit1 - 1;
end
else
RoomDigit0 <= RoomDigit0 - 1;
end
if (Selector == 5) begin
if (RoomDigit0 == 4'b1001) begin //if 9 seconds na, i zero niya then i increment si tens
RoomDigit0 <= 0;
if(RoomDigit1 == 4'b1001) //if 99 seconds na, i zero niya si tens then i increment si minutes
RoomDigit1 <= 0;
else
RoomDigit1 <= RoomDigit1 + 1;
end
else
RoomDigit0 <= RoomDigit0 + 1;
end
end
endmodule