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// deno-lint-ignore-file no-case-declarations no-process-globals
import { PC } from "../pc.ts";
declare global {
const process: any;
}
export default {
function(this: PC) {
if (typeof process == 'undefined') throw 'process global is undefined';
switch (this.registers[0]) {
case 0:
switch (this.registers[1]) {
case 0:
const data = new Uint8Array(1024)
const len = Deno.stdin.readSync(data) ?? 0
let i = 0;
while (i < len) {
this.mem[this.registers[2] + i] = data[i]
i++
}
this.registers[0] = len
this.mem[this.registers[2] + i] = 0
break;
default:
throw 'unknown fd'
}
break;
case 1:
const writeBuff = [];
let i = this.registers[2];
while (this.mem[i] != 0 && i <= this.mem.length) {
writeBuff.push(this.mem[i]);
i++
}
switch (this.registers[1]) {
case 1:
process.stdout.write(writeBuff.map(a => String.fromCharCode(a)).join(''))
break;
case 2:
process.stderr.write(writeBuff.map(a => String.fromCharCode(a)).join(''))
break;
default:
throw 'unknown fd'
}
break;
case 2:
Deno.stdin.setRaw(this.registers[1] ? true : false);
break;
default:
throw 'unknown syscall id ' + this.registers[0]
}
},
args: 0
}
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