TI-99/4
From WE Computers Museum
(Redirected from TI-99/4A)
| |
| TI-99/4 | |
| Designer | Texas Instruments |
|---|---|
| Manufacturer | Texas Instruments |
| CPU | 3 MHz TMS9900 |
| Graphics | TI-99/4A: TMS9918A VDC |
| Memory | 16 KB RAM 256 bytes scratchpad RAM |
| Media | ROM cartridge |
| Released | TI-99/4: 1979 TI-99/4A: June 1981 |
| Added to Museum | TI-99/4A: February 3, 2020 |
The TI-99/4 series consisted of two computers by Texas Instruments.
They used the TMS9900 CPU, clocked at 3 MHz, and were the first 16-bit computers released for the home market.
TI-99/4
The TI-99/4 was released in late 1979.
TI-99/4A
The TI-99/4A was released in June 1981. It was backward compatible with TI-99/4 titles. However, due to the improved graphics capabilities of the TMS9918A, not all TI-99/4A titles could be used on the TI-99/4.
Development
In 1977, two teams at Texas Instruments were working on two separate projects, a computer, and a video game console. The two projects were merged into the TI-99/4 series.
TI-99 hardware owned by WEC Museum
| Title | Manufacturer | Release | Notes |
|---|---|---|---|
| TI-99/4A | Texas Instruments | 1981 | WEC Museum owns the system, two joysticks, box, quick setup guide, Beginner's Basic guide, reference guide, reference card, and video modulator manual. |
TI-99/4 games owned by WEC Museum
| Title | Developer | Release | Notes |
|---|---|---|---|
| Beginning Grammar | Texas Instruments | 1979 | WEC Museum owns the cartridge and manual. |
| Blackjack & Poker | Texas Instruments | 1980 | WEC Museum owns the cartridge. |
| Early Reading | Scott, Foresman Electronic Publishing | 1980 | WEC Museum owns the cartridge. |
| Number Magic | Texas Instruments | 1979 | WEC Museum owns the cartridge. |
TI-99/4 applications owned by WEC Museum
| Title | Developer | Release | Notes |
|---|---|---|---|
| Home Financial Decisions | Texas Instruments | 1979 | WEC Museum owns the cartridge and manual. |
| Household Budget Management | Texas Instruments | 1979 | WEC Museum owns the cartridge and manual. |
TI-99/4A games owned by WEC Museum
TI-99/4A applications owned by WEC Museum
| Title | Developer | Release | Notes |
|---|---|---|---|
| Disk Manager 2 | Texas Instruments | 1982 | Floppy disk utilities. WEC Museum owns the cartridge. |
| Microsoft Multiplan | Microsoft | 1982 | WEC Museum owns the cartridge. |
| Personal Record Keeping | Texas Instruments | 1982 | WEC Museum owns the cartridge and manual. |
| Terminal Emulator II | Texas Instruments | 1982 | WEC Museum owns the cartridge. |
| TI-Writer Word Processor | Texas Instruments | 1982 | WEC Museum owns the cartridge and manual. |
TI-99/4 periodicals owned by WEC Museum
| Title | Publisher | Release | Notes |
|---|---|---|---|
| 99'er Home Computer Magazine Home Computer Magazine |
Emerald Valley Publishing | It began as 99'er Magazine in May 1981. The title changed to 99'er Home Computer Magazine in February 1983, then to Home Computer Magazine in May 1984. | |
| Enthusiast 99 | International 99/4 Users Group | ||
| Texas Instruments Home Computer Newsletter | Texas Instruments |
