How to use the 3vl.Mem3vl.fromJSON function in 3vl
To help you get started, we’ve selected a few 3vl examples, based on popular ways it is used in public projects.
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tilk / digitaljs / src / cells / memory.js View on Github 
constructor: function(args) {
if (!args.bits) args.bits = 1;
if (!args.abits) args.abits = 1;
if (!args.rdports) args.rdports = [];
if (!args.wrports) args.wrports = [];
if (!args.words) args.words = 1 << args.abits;
if (!args.offset) args.offset = 0;
if (args.memdata)
this.memdata = Mem3vl.fromJSON(args.bits, args.memdata);
else
this.memdata = new Mem3vl(args.bits, args.words);
delete args.memdata; // performance hack
console.assert(this.memdata.words == args.words);
this.last_clk = {};
const markup = [];
const lblmarkup = [];
let num = 0;
const portsplits = [];
function num_y(num) { return num * 16 + 12; }
for (const [pnum, port] of args.rdports.entries()) {
const portname = "rd" + pnum;
markup.push(this.addLabelledWire(args, lblmarkup, 'right', num_y(num), { id: portname + 'data', dir: 'out', bits: args.bits, label: 'data' }));
markup.push(this.addLabelledWire(args, lblmarkup, 'left', num_y(num++), { id: portname + 'addr', dir: 'in', bits: args.abits, label: 'addr' }));
if ('enable_polarity' in port)
markup.push(this.addLabelledWire(args, lblmarkup, 'left', num_y(num++), { id: portname + 'en', dir: 'in', bits: 1, label: 'en', polarity: port.enable_polarity }));
