 this.waiting = true; this.waitReg = x; break;
			case 0x15: this.dt = this.v[x]; break;
			case 0x18: this.buzzTimer(this.st = this.v[x]); break;
			case 0x1E: this.i = (this.i + this.v[x])&0xFFFF; break;
			case 0x29: this.i = ((this.v[x] & 0xF) * 5); break;
			case 0x30: this.i = ((this.v[x] & 0xF) * 10 + fontsets[this.fontStyle].small.length); break;
			case 0x33:
				this.m[this.i]   = Math.floor(this.v[x]/100)%10;
				this.m[this.i+1] = Math.floor(this.v[x]/10)%10;
				this.m[this.i+2] = this.v[x]%10;