Ultimate Emulator / System

SG-1000

Sega's first home console, on the original two-button pad.

RazorSG1000 plays standard SG-1000 cartridges on two-button pads for up to two players, and needs no firmware.

1983

Platform Sega

In Ultimate Emulator Beta
Core
RazorSG1000
Firmware
Not required
Game files
  • .sg
Players
Up to 2 on one PC
Online
Local only
Rendering
Original resolution

01 / Current support

Where SG-1000 stands today.

Status describes the core, not every game. Compatibility is always title-dependent.

Beta
Included, broader qualification continues.
Core
RazorSG1000, a first-party core included with Ultimate Emulator. It is chosen automatically for SG-1000 games.
Unrated
No comparable per-core performance rating is claimed.
Release note
Save states are not available yet.

02 / Your collection

The files it plays.

These are the SG-1000 game files RazorSG1000 opens. Ultimate Emulator does not supply games; add them from your own collection.

Game files

  • .sg

03 / Firmware & BIOS

No external firmware required.

RazorSG1000 is complete on its own. Systems shows SG-1000 as Not required: add your games and play.

04 / Input

How it plays in your hands.

Connect a controller and it is mapped automatically. Change the layout for every game, for this system only, or for a single game in Settings → Controllers.

SG-1000 in Ultimate Emulator

  • Two controllers, each with the D-pad and buttons 1 and 2.
  • The console's Hold button is on Start.
Controller Setup

05 / Picture

The original picture, on a modern screen.

SG-1000 keeps its own picture: drawn at its original resolution and scaled to your window in the shape the console made.

Resolution
Drawn at its original resolution and scaled to fit your window, keeping the system's own pixel shape.
Graphics settings
Not offered for SG-1000 yet. Integer Scale, cropping, pixel filtering and effects in Settings → Graphics apply to the other included systems.
Graphics

06 / Your progress

In-game saves and save states.

The game's own

In-game saves

  • SG-1000 cartridges have no save memory, so there are no in-game saves to keep.
Ultimate Emulator

Save states

  • Not available with this core.

Rewind is not integrated with this core.

07 / Play together

Together on one PC.

A system profile does not make a single-player game multiplayer. The game decides how many can play.

On one PC
Up to 2 players, one controller each, in games made for more than one player. No account needed.
Across PCs
Not available. This system is local only.

08 / Honest compatibility

What to know before you play.

Current limits of the included core, as of this release.

Known limitations

  • Standard cartridges only: games that need extra cartridge memory or other expansion hardware are not supported.
Region
NTSC timing.
Troubleshooting

09 / Gaming History

Why it mattered.

How SG-1000 works in Ultimate Emulator is this page. Why it mattered is in the Gaming History collection.