Microsoft BASIC -86 5.x
Although Microsoft did not invent BASIC, their founding product was a BASIC interpreter for the Altair computer. The descendants below includes Microsoft's BASIC-80 (MBASIC), BASIC-86 (pre-GWBasic), BASIC for Mac, BASIC Compiler 86/88, Basic Compiler for Mac, and Professional Development System 7.x. IBM Personal Computer Basic Compiler, GW-BASIC, QuickBasic, and Visual Basic are listed separately.
Release notes
Please note: If you are looking for BASIC-86 for a specific machine, it was probably bundled with the vendor's Operating System package. You can find many customized versions in MS-DOS 1.x and MS-DOS 2.x OEM system disks.
Installation instructions
The Seattle Computer Products version below was designed for SCP 86-DOS, but will also run under MS-DOS.
Wanted: full disk dumps and manual scans of the complete BASIC products.
Downloads
| Download name | Version | Language | Architecture | File size | Downloads |
|---|---|---|---|---|---|
 Microsoft BASIC (5-9-1984) [TI Professional Computer r1.21] (5.25-160k) |
TI Professional Computer r1.21 | English |
|
181.12KB | 1 |
|
Microsoft BASIC (7-8-1983) [TI Professional Computer r1.20] (5.25-160k) |
TI Professional Computer r1.20 | English |
|
366.24KB | 0 |
 Microsoft BASIC 5.28 (5-24-1983) [MS-DOS] |
5.28 (5-24-1983) [MS-DOS] | English |
|
25.63KB | 4 |
 Microsoft BASIC-86 5.21 [Seattle Computer Products] (1981) (8 inch) |
-86 5.21 [Seattle Computer Products] | English |
|
28.48KB | 0 |
|
Microsoft BASIC-86 5.22 (3-5-1982) [CPM-86] |
-86 5.22 (3-5-1982) [CPM-86] | English |
|
22.28KB | 4 |