Questions tagged [basic]

BASIC: a high-level programming language favored in retro systems. For dialect-specific questions, use a tag such as [microsoft-basic], [applesoft-basic], etc.

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16
votes
1answer
648 views

Origin/source of “One Line” one-key game

Circa 1985 in our school BBC Micro lab, we wasted much time playing a tiny type-in game that looked a bit like this: The playfield was filled with a random arrangement of asterisks, and the player ...
4
votes
0answers
154 views

DTSS software list?

I'm continuing my effort to track down the original author of the early game Chase. I have pretty much concluded it was written on the GE-635 running Dartmouth Time Sharing System (DTSS) and Dartmouth ...
31
votes
4answers
2k views

Why were early versions of BASIC different?

Most major computer manufacturers/distributors in the 70's and 80's included BASIC with their computers. Some (as answers to this great question have detailed: Why was BASIC built into so many ...
6
votes
2answers
620 views

What books did schools use to teach BASIC?

What books would have been used to teach school aged kids BASIC in a classroom setting back when BASIC was in common use? 8-Bit computers commonly came with tutorials to learn BASIC, like A Touch of ...
8
votes
2answers
787 views

ZX BASIC REM statement overhead

Since my other question has been answered and has given me a way to do high-precision timing, I've been experimenting with it a bit. The first thing I did was write a simple benchmark using the FRAMES ...
7
votes
1answer
403 views

Determine Character Encoding used on HP 9000 Model 310 running BASIC 5.1

With the help of this community, I was able to copy and emulate a HP9133 HD using Hpdir and Hpdrive. Now, I want to edit, or at the bare minimum, read the programs on the HD. I have extracted the ...
10
votes
2answers
690 views

Why does this BASIC program keep restarting?

Here is a BASIC program for the Commodore 64, which should load the LIB file from the disk, and then stop. Yes? 5 PRINT "LOADING..." 10 LOAD "LIB",8,1 20 STOP the LIB file is 102 bytes long and is ...
7
votes
2answers
1k views

C64: Strange Behaviour on Control Port 1

I wrote this little Basic program to get Joystick input from Control Port 1. I know that this method is very strange and is better for keyboard input. 20 get a$ 30 if a$="" then 20 32 b=asc(a$) 33 ...
3
votes
2answers
566 views

C64, basic v2, DATA strange behavior

I have the following code line: 0DATA"-+-+-" Here "\" and "/" are the ASC codes 205 and 206. I get a syntax error: ?SYNTAX ERROR IN 0 READY. As I can remember, there was same special in the ...
4
votes
1answer
214 views

Simulate Repeat/Until in BASIC, and on a single line?

Is there a way to simulate a Repeat/Until loop in a BASIC language without it, and without using a GOTO statement? For BASIC languages with command separators, can this be done on a single line ...
83
votes
18answers
18k views

Why was BASIC built into so many operating systems?

There are a lot of retro-computers with BASIC as an integral part of the operating system. The IBM 5100 was one of the first computers with a separate memory space for BASIC, followed by the Commodore ...
9
votes
3answers
3k views

What “Write your own RPG/Adventure game” books were available for 8-bit computers? [closed]

During the 70s and 80s there were a number of books about how to write your own games for 8-bit computers, usually in BASIC. Three examples of these books are How to Create Adventure Games by ...
8
votes
1answer
147 views

cbm prg studio for the Amstrad

CBM prg studio is brilliant. I have searched Google for a version (or something similar) for the Amstrad CPC 464, to no avail. Does anyone know of one?
12
votes
0answers
830 views

In search of… SeaWar — NOT Battleship!

Hopefully, sufficient background Many years ago (40-45), I used to play "Sea War" on a good sized time-share system. It was a text/adventure war game between a couple remote players, played over a ...
11
votes
1answer
412 views

What is the format of the syntax tables in Apple II Integer BASIC?

In Paul Santa-Maria's disassembly of Integer BASIC (text version), you can see the syntax table split into two parts, SYNTABL and SYNTABL2. I've seen references to the tokens being stored in reverse ...
29
votes
4answers
2k views

Did the LET statement actually do anything in 8-bit Microsoft BASICs?

I know the LET statement was available in AppleSoft and other Microsoft 8-bit BASICs back in the day, but I can't think of a time where I actually used it. Frankly, I get the impression that it was ...
13
votes
1answer
533 views

How to use virtual cassettes with Matthew Reed's TRS-80 Model III emulator? (TRS32)

I'm fooling around with Matthew Reed's TRS-80 Model 1/III/4 emulator for Windows (TRS32) and am have trouble using virtual cassettes. I am using it to emulate a Model III with Level II BASIC. I have ...

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