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MikeOS

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For discussion about MikeOS and related 16-bit real mode operating systems. Please make sure you have good knowledge with assembly language before posting!

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LZ VD, Michael Saunders2

May 29

Discovered bug in MikeOS

Why did you write that it getting fixed is “unlikely to happen”? On Fri 29. May 2026 at 00:15, LZ VD

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Discovered bug in MikeOS

Why did you write that it getting fixed is “unlikely to happen”? On Fri 29. May 2026 at 00:15, LZ VD

May 29

LZ VD, Michael Saunders2

May 28

Power v1.5 released

Not really interested, if there's no source code. IMO we should be sharing things we can all

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Power v1.5 released

Not really interested, if there's no source code. IMO we should be sharing things we can all

May 28

LZ VD, … Pyrrhocoris apterus4

May 28

Say hi to Power

No, I meant it is based off MS-DOS 6.22 itself but not the source code of it. On Thursday, May 28,

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Say hi to Power

No, I meant it is based off MS-DOS 6.22 itself but not the source code of it. On Thursday, May 28,

May 28

Ahmed, … Daniel Barry4

May 27

MichalOS Spreadsheet

(Replying here because I think it's interesting to all.) > Regarding the spreadsheet editor, I

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MichalOS Spreadsheet

(Replying here because I think it's interesting to all.) > Regarding the spreadsheet editor, I

May 27

jennifer...@gmail.com

Jan 9

Coordinating a group discount for Duct/Vent & Dryer Vent Cleaning!

Hey everyone! Last year, I hired a technician named Sam (from All American Home Services) to clean my

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Coordinating a group discount for Duct/Vent & Dryer Vent Cleaning!

Hey everyone! Last year, I hired a technician named Sam (from All American Home Services) to clean my

Jan 9

Ch H, Daniel Barry4

11/30/25

Bootloader not working

For debugging runtime behaviour, it can be useful to print a character to tell you what code is being

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Bootloader not working

For debugging runtime behaviour, it can be useful to print a character to tell you what code is being

11/30/25

Magi Ancient, … Michael Saunders9

6/22/25

I'm working on a Derivative.... right after i get the OS working

https://youtu.be/WXNjQhZV2sc On Sunday, June 22, 2025 at 10:00:08 AM UTC-5 Magi Ancient wrote: https:

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I'm working on a Derivative.... right after i get the OS working

https://youtu.be/WXNjQhZV2sc On Sunday, June 22, 2025 at 10:00:08 AM UTC-5 Magi Ancient wrote: https:

6/22/25

SASANO Takayoshi, Joshua Beck4

5/22/25

new build script

Yeah, that sounds better. Mostly there's BIN and BAS but there's a few stragglers. On Sunday,

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new build script

Yeah, that sounds better. Mostly there's BIN and BAS but there's a few stragglers. On Sunday,

5/22/25

Magi Ancient, Michael Saunders3

5/20/25

Question regarding exclusive system modifications and persistence

Hi again Mike && thx for speedy reply! Yes, that's correct. Currently, I am running the

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Question regarding exclusive system modifications and persistence

Hi again Mike && thx for speedy reply! Yes, that's correct. Currently, I am running the

5/20/25

Magi Ancient, … Michael Saunders4

5/20/25

can i run an existing command from BAS Progam?

Hi Magi, Dan Barry's answer is right. There's no way to do it as another BASIC program would

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can i run an existing command from BAS Progam?

Hi Magi, Dan Barry's answer is right. There's no way to do it as another BASIC program would

5/20/25

Ahmed, Joshua Beck2

2/10/25

Interesting. I didn't know anyone built on TachyonOS. It seems StarlungOS and AquariusOS were

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Interesting. I didn't know anyone built on TachyonOS. It seems StarlungOS and AquariusOS were

2/10/25

Ahmed, … Dan7

2/9/25

Thank you very much! Kind Regards, Dan On 07/02/2025 20:55, Joshua Beck wrote: > > Do you

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Thank you very much! Kind Regards, Dan On 07/02/2025 20:55, Joshua Beck wrote: > > Do you

2/9/25

Ahmed, … procha...@gmail.com3

1/29/25

Hi, I'm the author of MichalOS, a fork of MikeOS. Many years ago, the main reason for

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Hi, I'm the author of MichalOS, a fork of MikeOS. Many years ago, the main reason for

1/29/25

1/29/25

is there something like MBPP(Mike Basic Plus Plus) for MichalOS with pre-made menu's and options

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is there something like MBPP(Mike Basic Plus Plus) for MichalOS with pre-made menu's and options

1/29/25

Ch H, … James Huddle6

12/6/24

OS keeps crashing in other VMs

Yes but they are all emulating x86 IBM pc compatibles, I mean all the VMs are On Friday, December 6,

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OS keeps crashing in other VMs

Yes but they are all emulating x86 IBM pc compatibles, I mean all the VMs are On Friday, December 6,

12/6/24

12/4/24

Where did zerokelvinkeyboard go?

I recently tried to go to his github page but it said: "404 not found". Does anybod know

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Where did zerokelvinkeyboard go?

I recently tried to go to his github page but it said: "404 not found". Does anybod know

12/4/24

10/15/24

Basic alternative to rawwrite, written in python

Using pyinstaller to make it into an EXE. I bet windows defender will complain, but it is not

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Basic alternative to rawwrite, written in python

Using pyinstaller to make it into an EXE. I bet windows defender will complain, but it is not

10/15/24

Marek Poláček

10/9/24

A note about raw copy to the floppy disk

Somebody has complained about a tool being a malware. You can use 'dd' on Linux to copy raw

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A note about raw copy to the floppy disk

Somebody has complained about a tool being a malware. You can use 'dd' on Linux to copy raw

10/9/24

Ch H, … James Huddle3

10/9/24

Problem with my floppy bootsector

Not sure if I'm replying correctly to the listserv... I just spent 5 min looking at your code,

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Problem with my floppy bootsector

Not sure if I'm replying correctly to the listserv... I just spent 5 min looking at your code,

10/9/24

Michael Saunders, … Ch H4

10/7/24

RawWrite - malicious?

On Thursday, March 14, 2024 at 7:30:04 AM UTC+1 Ch H wrote: You scanned the zip file, not the EXE.

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RawWrite - malicious?

On Thursday, March 14, 2024 at 7:30:04 AM UTC+1 Ch H wrote: You scanned the zip file, not the EXE.

10/7/24

Ch H, … James Huddle6

3/30/24

MBR for Mike OS created

Thank you, btw. Cool image. Maybe take care of that Windows floppy image security risk for "

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MBR for Mike OS created

Thank you, btw. Cool image. Maybe take care of that Windows floppy image security risk for "

3/30/24

Ch H, Michael Saunders2

3/26/24

Issue with int 10h function 0Eh

Without seeing any of your code, it's pretty much impossible for us to guess. On Tue, 26 Mar 2024

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Issue with int 10h function 0Eh

Without seeing any of your code, it's pretty much impossible for us to guess. On Tue, 26 Mar 2024

3/26/24

widhy pedia, LZ VD2

3/24/24

spammer On Thursday, March 14, 2024 at 5:39:39 AM UTC+1 widhy...@gmail.com wrote: Hi dude, Why We Not

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spammer On Thursday, March 14, 2024 at 5:39:39 AM UTC+1 widhy...@gmail.com wrote: Hi dude, Why We Not

3/24/24

enming Yang, … Ch H5

3/16/24

How can I invoke the BASIC interpreter in the folder "/source/feature"?

Yes, but I also kind of figured it out myself. Any way, you kan just do what I did and literally copy

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How can I invoke the BASIC interpreter in the folder "/source/feature"?

Yes, but I also kind of figured it out myself. Any way, you kan just do what I did and literally copy

3/16/24

Justin R. Miller, Michael Saunders2

3/14/24

subject line prefix?

Hi Justin, Good idea! I've updated the settings now, so future messages should have [MikeOS] at

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subject line prefix?

Hi Justin, Good idea! I've updated the settings now, so future messages should have [MikeOS] at

3/14/24

imperialOS Development, … Walt Nagel3

2/11/24

A free copy of the book may be downloaded from GitHub. The instructions seem clear. The authors use

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A free copy of the book may be downloaded from GitHub. The instructions seem clear. The authors use

2/11/24

Robert Pengelly, Michael Saunders4

11/11/23

Help implementing serial mouse support.

Hey all, Just a little update I finally got both PS/2 and serial mice working (at a basic level) so I

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Help implementing serial mouse support.

Hey all, Just a little update I finally got both PS/2 and serial mice working (at a basic level) so I

11/11/23

Robert Pengelly, Michael Saunders3

11/2/23

Help modifying viewer for 4-bit pcx images

I've tried to attach two different attempts of the same file but let me know if it didn't

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Help modifying viewer for 4-bit pcx images

I've tried to attach two different attempts of the same file but let me know if it didn't

11/2/23

8/16/23

Follow up to proposed change

I failed to mention in my previous post that the changes are transparent to nearly all existing

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Follow up to proposed change

I failed to mention in my previous post that the changes are transparent to nearly all existing

8/16/23

7/19/23

Suggested updates

I have been considering the USB post from before. There are a couple of programs that may be able to

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Suggested updates

I have been considering the USB post from before. There are a couple of programs that may be able to

7/19/23

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