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package ChiselTests
import Chisel._
class Tbl extends Module {
val io = new Bundle {
val i = Bits(INPUT, 16)
val we = Bool(INPUT)
val d = Bits(INPUT, 16)
val o = Bits(OUTPUT, 16)
}
val m = Mem(Bits(width = 10), 256)
io.o := Bits(0)
when (io.we) { m(io.i) := io.d(9, 0) }
.otherwise { io.o := m(io.i) }
}
class TblTester(c: Tbl) extends Tester(c) {
val m = Array.fill(1 << 16){ 0 }
for (t <- 0 until 16) {
val i = rnd.nextInt(1 << 16)
val d = rnd.nextInt(1 << 16)
val we = rnd.nextInt(2)
poke(c.io.i, i)
poke(c.io.we, we)
poke(c.io.d, d)
step(1)
expect(c.io.o, if (we == 1) 0 else m(i))
if (we == 1)
m(i) = d
}
}
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