Machines › Home Computers › Texas Instruments › TI-99/4A
TI-99/4A
1981
Texas Instruments' 1981 revision of the TI-99/4 with a full-travel keyboard and improved graphics.
TI-99/4A Online Emulator
Play TI-99/4A using JavaScript directly in your browser.
Controls
Boots the TI-99/4A to the master title screen ("TEXAS INSTRUMENTS HOME COMPUTER — PRESS ANY KEY TO BEGIN"); press any key, then 1, to reach TI BASIC READY. Type TI BASIC directly (e.g. 10 PRINT "HI":RUN). Add ?debug, or click Debug, to step the TMS9900, set breakpoints and inspect memory. Click the screen first so it captures the keyboard.
Configurations
| Configuration | Emulator | Machine | OS | Legal | |
|---|---|---|---|---|---|
| TI-99/4A · TI BASIC | JS99'er | TI-99/4A | grey | Open ⛶ |
Chips
Emulators
| Emulator | Type | License | Site |
|---|---|---|---|
| Classic99 | downloadable | Freeware | |
| JS99'er | online | Freeware | Website ↗ |
| PC99 | downloadable | Commercial | |
| V9t9 | downloadable | Freeware | |
| Win994a | downloadable | Freeware |