{
signal: [
  ['in',
    {name: 'clk', wave: 'p......'},
    {name: 'waddr', wave: 'x=x....', data:['waddr'], phase: 0.5},
    {name: 'raddr', wave: 'x...=x.', data:['raddr'], phase: 0.5},
    {name: 'en', wave: '010.10.', phase: 0.5},
    {name: 'wdata', wave: 'x=x....', data:['wdata'], phase: 0.5},
    {name: 'wmask', wave: 'x=x....', data:['wmask'], phase: 0.5},
  ],
  ['out',
   {name: 'rdata', wave: 'x....=x', data:['rdata'], phase: 0.5},
  ]
],
head:{
  tick:0,
},
config: { hscale: 2 }
}

