xrsh-com/com/isoterminal/worker.js

87 lines
3.3 KiB
JavaScript
Raw Normal View History

importScripts("libv86.js");
importScripts("ISOTerminal.js") // we don't instance it again here (just use its functions)
this.runISO = function(opts){
this.opts = opts
if( opts.debug ) console.dir(opts)
if( opts.cdrom && !opts.cdrom.url.match(/^http/) ) opts.cdrom.url = "../../"+opts.cdrom.url
if( opts.bzimage && !opts.cdrom.url.match(/^http/) ) opts.bzimage.url = "../../"+opts.bzimage.url
let emulator = this.emulator = new V86(opts);
console.log("[worker.js] started emulator")
// event forwarding
emulator.add_listener("serial0-output-byte", function(byte){
ISOTerminal.prototype.bufferOutput(byte, (str) => { // we buffer to prevent framerate dropping
if( !str ) return
this.postMessage({event:"serial0-output-string",data:str});
}, opts.bufferLatency )
}.bind(this));
emulator.add_listener("serial1-output-byte", function(byte){
ISOTerminal.prototype.bufferOutput(byte, (str) => { // we buffer to prevent framerate dropping
if( !str ) return
this.postMessage({event:"serial1-output-string",data:str});
}, opts.bufferLatency )
}.bind(this));
emulator.add_listener("serial2-output-byte", function(byte){
ISOTerminal.prototype.bufferOutput(byte, (str) => { // we buffer to prevent framerate dropping
if( !str ) return
this.postMessage({event:"serial2-output-string",data:str});
}, opts.bufferLatency )
}.bind(this));
emulator.add_listener("emulator-started", function(){
importScripts("feat/9pfs_utils.js")
this.postMessage({event:"emulator-started",data:false});
}.bind(this));
/*
* forward events/functions so non-worker world can reach them
*/
this['emulator.create_file'] = async function(){ return emulator.create_file.apply(emulator, arguments[0]) }
this['emulator.read_file'] = async function(){ return emulator.read_file.apply(emulator, arguments[0]) }
2024-10-18 13:50:56 +02:00
this['emulator.append_file'] = async function(){ emulator.fs9p.append_file.apply(emulator.fs9p, arguments[0]) }
this['emulator.update_file'] = async function(){ emulator.fs9p.update_file.apply(emulator.fs9p, arguments[0]) }
// filename will be read from 9pfs: "/mnt/"+filename
emulator.readFromPipe = function(filename,cb){
emulator.add_listener("9p-write-end", async (opts) => {
if ( opts[0] == filename.replace(/.*\//,'') ){
cb()
}
})
}
importScripts("feat/javascript.js")
importScripts("feat/index.html.js")
importScripts("feat/autorestore.js")
}
/*
* forward events/functions so non-worker world can reach them
*/
2024-10-18 13:50:56 +02:00
this['serial0-input'] = function(c){ emulator.bus.send( 'serial0-input', c) } // to /dev/ttyS0
this['serial1-input'] = function(c){ emulator.bus.send( 'serial1-input', c) } // to /dev/ttyS1
this['serial2-input'] = function(c){ emulator.bus.send( 'serial2-input', c) } // to /dev/ttyS2
this.onmessage = async function(e){
let {event,data} = e.data
if( this[event] ){
if( this.opts?.debug ) console.log(`[worker.js] this.${event}(${JSON.stringify(data).substr(0,60)})`)
try{
let result = await this[event](data)
if( data.promiseId ){ // auto-callback to ISOTerminal.worker.promise(...)
this.postMessage({event,data: {...data,result}})
}
}catch(e){
if( data.promiseId ){ // auto-callback to ISOTerminal.worker.promise(...)
this.postMessage({event,data: {...data,error:e}})
}
}
}
}