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Index > Tutorials and Examples > Hobby BASIC, a toy language interpreter written in fasm

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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
Image

Hobby BASIC is my toy language interpreter written in fasm.
It has a BASIC-like syntax with a set of specialized commands and functions.
It supports keyboard and mouse, and partially UTF-8 characters.
It handles ANSI encoding graphics with ease.
It has a small set of UDP network functions.
It creates standalone pseudo executables.
It runs on Windows 32 or 64 bit.

Hobby BASIC project started in 2015 and continues to grow to this day.
Slowly, since it is a toy interpreter which I make just for my personal fun.
The goal is to make an easy to use language, ideal for making games in the Windows console.
Guess what, I think it's going well.

Download


A Hobby BASIC program.
Code:

    REM  TV.BAS
    REM  HOBBY BASIC INTERPRETER

    A$ = 'N  O   S  I  G  N  A  L'

    DIM A[8] = 15,14,11,10,13,12,9,0

    SCREEN 80,25,300
    CURSOR 0,0
    COLOR 0,0
    CLS

    FOR X = 0 TO 7
        COLOR A[X],0
        PAINT X*10,0,10,25,-1,-1
    NEXT

    ERASE 17
    ERASE 18
    ERASE 19

    PEN 15
    AT 25,18,A$

    INKEY

    CLS : END
    

Image


How to run the examples.

Open the command-line CMD.EXE in the HB folder.
To run the TV.BAS example, type:
Code:
hb EXAMPLES/TV.BAS    


Image


Alternatively, simply click HB.EXE and select an example.

Image


How to create the standalone TV.EXE

Type at the command-line:
Code:

    hb EXAMPLES/TV.BAS -bind TV.EXE
    

A standalone application will be assembled.

Image



Notes for Windows 10 users.

In later versions of Windows you will need to temporary disable real-time protection for Microsoft Defender.
Antivirus programs do not like small executable files and often consider them (incorrectly) suspicious.

Although Hobby BASIC runs smoothly on Windows 10, however, if you are having difficulties try enabling the legacy option.

Image


Description: Hobby BASIC Interpreter for Windows
Download
Filename: HB.zip
Filesize: 71.43 KB
Downloaded: 781 Time(s)



Last edited by Picnic on 25 Apr 2022, 21:02; edited 276 times in total
Post 05 May 2013, 21:16
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AsmGuru62



Joined: 28 Jan 2004
Posts: 1440
Location: Toronto, Canada
AsmGuru62
Great stuff!
Things like that motivate beginners to start programming.
Post 05 May 2013, 22:15
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MHajduk



Joined: 30 Mar 2006
Posts: 6091
Location: Poland
MHajduk
I suppose that the author's sentiment to QuickBasic was the main inspiration for this project. Nice thing. Smile
Post 05 May 2013, 22:28
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typedef



Joined: 25 Jul 2010
Posts: 2908
Location: 0x77760000
typedef
Nice. This prompts me to make a CLI graphics library. Looks pretty neat.
Post 07 May 2013, 04:31
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
I am glad you like it guys, i had some concern whether it can be served as an example or a tutorial, due to the lack of the source code.

Hobby BASIC interpreter supports (partially) wide characters in the console via utf-8 encoding.

For Greek monotone characters, the prerequisite is the choice of the Lucida Console font.
Code:

    print 'Τη γλώσσα μου έδωσαν ελληνική'
    print 'το σπίτι φτωχικό στις αμμουδιές του Ομήρου.'
    print 'Μονάχη έγνοια η γλώσσα μου στις αμμουδιές του Ομήρου.'
    

Almost everything may be replaced with wide characters in Hobby BASIC.
Code:

    τύπωσε fix print
    ανάποδα fix reverse

    dim Διάταξη$[3] = 'Παλιά','Περιοδικά','Πληροφορικής'

    for ΜΕΤΡΗΤΗΣ = 0 to 2
        τύπωσε ανάποδα(Διάταξη$[ΜΕΤΡΗΤΗΣ])
    next
    

Image


Last edited by Picnic on 27 Apr 2022, 07:49; edited 26 times in total
Post 07 May 2013, 10:10
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TmX



Joined: 02 Mar 2006
Posts: 833
Location: Jakarta, Indonesia
TmX
This is very nice.
Reminiscent of DOS apps.

Mouse handling would be a nice addition, I think Wink
Post 07 May 2013, 15:45
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HaHaAnonymous



Joined: 02 Dec 2012
Posts: 1178
Location: Unknown
HaHaAnonymous
[ Post removed by author. ]


Last edited by HaHaAnonymous on 28 Feb 2015, 20:54; edited 1 time in total
Post 07 May 2013, 20:58
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typedef



Joined: 25 Jul 2010
Posts: 2908
Location: 0x77760000
typedef
Picnic wrote:
I am glad you like it, i had some concern whether it can be served as helpful example despite the lack of comments in source.


If it can be understood then no worries.

Besides not all examples are aimed at beginners.
Post 07 May 2013, 23:30
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
TmX wrote:
Mouse handling would be a nice addition, I think Wink

I have uploaded a new version with minor improvements and bug fixes.

Mouse support in Windows console is now available.

Random colored characters in the console.
Code:

    REM  RND.BAS
    REM  HOBBY BASIC INTERPRETER

    SCREEN 80,25,300
    COLOR 0,0
    CLS

    DO

        X = RND() % 24 + 2
        Y = RND() % 14 + 1
        C = RND() % 95 + 32

        PEN C
        AT X,Y,CHR(C)

    UNTIL KEY(27)

    CLS
    END
    

Image


Last edited by Picnic on 27 Apr 2022, 07:49; edited 52 times in total
Post 18 Aug 2013, 22:52
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
I have uploaded a new version with minor improvements and bug fixes.

Get the mouse position in the console.

Image


Last edited by Picnic on 22 Jan 2022, 08:19; edited 43 times in total
Post 15 Dec 2013, 01:37
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typedef



Joined: 25 Jul 2010
Posts: 2908
Location: 0x77760000
typedef
I get this when I run MOUSE

Image
Post 15 Dec 2013, 05:58
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
Thanks for the feedback typedef. Can you please tell me your Windows version and if you tried the rest of the samples?
Post 15 Dec 2013, 10:10
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typedef



Joined: 25 Jul 2010
Posts: 2908
Location: 0x77760000
typedef
Windows 7 64 bit. Actually all the programs except the binary and the the color ones. And why it says print I don't know
Post 15 Dec 2013, 14:27
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
I will look into the problem as soon as i can. I starting to feel a bit outdated with my windows xp 32-bit.


Last edited by Picnic on 15 Dec 2013, 17:35; edited 1 time in total
Post 15 Dec 2013, 17:28
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typedef



Joined: 25 Jul 2010
Posts: 2908
Location: 0x77760000
typedef
I see. It's a version difference thing.
Post 15 Dec 2013, 17:34
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
I think i found what was causing the trouble. Give it a try if you like typedef.
Post 18 Dec 2013, 21:33
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typedef



Joined: 25 Jul 2010
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typedef
They work now Very Happy. Care to share what was causing it to say that?
Post 18 Dec 2013, 22:53
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
Nice to hear!
Sure, it seems that an improper call to SetConsoleOutputCP function crush the program. By the way, i installed Windows 7.
Post 19 Dec 2013, 21:09
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typedef



Joined: 25 Jul 2010
Posts: 2908
Location: 0x77760000
typedef
Picnic wrote:
Nice to hear!
Sure, it seems that an improper call to SetConsoleOutputCP function crush the program. By the way, i installed Windows 7.


Hmm. Nice, what Win7 version?
Post 20 Dec 2013, 01:13
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Picnic



Joined: 05 May 2007
Posts: 1299
Location: Paradise Falls
Picnic
I have uploaded a new version with minor improvements and bug fixes.

A Tetris game for the console.

This is the first Hobby BASIC game ever made, and is still working today.

Image


Last edited by Picnic on 27 Apr 2022, 07:49; edited 38 times in total
Post 20 Dec 2013, 20:37
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