ND100X WASM Emulator

Machine Info

Status Not initialized

Execution -

CPU Load -

Levels

SMD Unit 0

Not mounted

SMD Unit 1

Not mounted

SMD Unit 2

Not mounted

SMD Unit 3

Not mounted

FLOPPY-DISC-1 (Unit 0)

Empty

FLOPPY-DISC-1 (Unit 1)

Empty

About

nd100x

Open-source ND-100 emulator with complete CPU opcode set, memory paging/protection, and emulated peripherals for running original software.

SPDX-License-Identifier: MIT
Copyright © 1985–2026 Ronny Hansen
HackerCorp Labs
Emulating yesterday's technology with today's code

View on GitHub

Config

Theme

Emulation

Background execution (Web Worker)

Persistent disk storage

Terminal

Group terminals in one window

Auto pop-out terminal windows

Renderer reload required

Emulator reload required

Network

WebSocket terminal bridge

Gateway URL

Status: Disconnected

Printer

Driver

Jobs auto-complete after 5s of silence. PDF output in /prints/

Gateway Statistics

Connection

Uptime -

Terminal I/O

Input 0 frames / 0 B

Output 0 frames / 0 B

Disk I/O

Read 0 ops / 0 B

Write 0 ops / 0 B

HDLC

RX 0 frames / 0 B

TX 0 frames / 0 B

TCP Clients

Sessions 0 connect / 0 disconnect

Starting ND-100 emulation...

Booting from SMD

Please wait while the system initializes

Printer

Job#	Started	Ended	Lines	Bytes

Paper Tape

Reader

No tape loaded

Punch Output

0 bytes punched

SMD Disk Manager

Drive Configuration

Unit 0 (boot) Not assigned

Unit 1 Not assigned

Unit 2 Not assigned

Unit 3 Not assigned

Local Disk Library

Server Catalog

Loading catalog...

Remote Images (Gateway)

No gateway connection.

SINTRAN III Commands Reference

ND-100 Debugger

PAUSED

CPU Registers (Level 0)

STS000000

P000000

A000000

D000000

B000000

L000000

T000000

X000000

Effective Address

EA000000

Status Flags

PTM TG K Z Q O C M

N100 SEXI PONI IONI PIL: 0

Interrupt Levels (PIL: 0, PVL: 000000)

Read-Only Registers

Write-Only Registers

Memory Dump

Addr (octal): Words:

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