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Results tagged with microsoft-basic
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user 4196
Microsoft’s Altair BASIC interpreter, its later ports, expansions and dialects (like PC BASIC, Commodore BASIC). Use [applesoft-basic] for the Applesoft dialect specifically.
2
votes
Was the design of MS-BASIC for 6502 based on MS-BASIC for 8080?
The original Altair BASIC came in three versions; 4k, 8k and Extended. The numbers referred to the amount of RAM required to run it, as BASIC was loaded to RAM from paper tape. The 4k version running …
- 21k
1
vote
Examples of floating-point numbers that don’t round-trip losslessly through text conversion ...
I'd like to address this bit:
Why not parse the number once, when the user enters the line, and
store the number in binary?
As you noted, such conversions can result in "oddities" (there's a name fo …
- 21k
-2
votes
Who wrote the MS BASIC on the PET/C64/etc?
It turns out Monte did not work on the 6502 version, but pointed me in the direction to figure all of this out.
The A% format originates not in MS BASIC, but the one they based it on, BASIC-PLUS on t …
- 21k
10
votes
Accepted
Differences between 4k, 8k and Extended Altair BASIC?
And I found the answer only moments later when I came across the original manual. The difference is that the 4k version (mainly) did not have strings (!!), lacked a number of math functions (ATN, etc) …
- 21k
39
votes
Accepted
Why was IBM BASIC so Huge?
The early versions of Microsoft BASIC required 4KB of ROM
The 4k versions lacked a number of major features, including string variables. These were added in the 8k versions. The equivalent 6502 v …
- 21k