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RC2014-Z80
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Alan Cox
, …
MartinR
21
2:39 AM
RC2014 80 column card
Hi Petr - I checked with JLCPCB and they were charging $3.50 for manufacture, including shipping. I
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RC2014 80 column card
Hi Petr - I checked with JLCPCB and they were charging $3.50 for manufacture, including shipping. I
2:39 AM
Peter Onion
, …
7alken
5
Sep 21
BackPlane 5 for Orton 3C
hi guys, nice machine :-) and congrats to the Assembly! have you some more photos form the event?
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BackPlane 5 for Orton 3C
hi guys, nice machine :-) and congrats to the Assembly! have you some more photos form the event?
Sep 21
Peter Onion
, …
Mark T
10
Sep 21
Orton 3C ROM programmer
I see it now, its just the Vcc label from below. I thought it was a bit odd, but that you might have
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Orton 3C ROM programmer
I see it now, its just the Vcc label from below. I thought it was a bit odd, but that you might have
Sep 21
Robb Bates
, …
Ed Silky
45
Sep 20
MMU addition
Hi Petr, Here is a 5V part on DigiKey: https://www.digikey.com/en/products/detail/infineon-
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MMU addition
Hi Petr, Here is a 5V part on DigiKey: https://www.digikey.com/en/products/detail/infineon-
Sep 20
Peter Onion
, …
Daniel Lower
7
Sep 20
It's RC2014 Assembly day..
Hi, That was great one might even say had a Christmas vibe complete with a Santa look alike :-). I
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It's RC2014 Assembly day..
Hi, That was great one might even say had a Christmas vibe complete with a Santa look alike :-). I
Sep 20
Martin Giese
, …
Alan Cox
26
Sep 19
50Hz timer tick source
I'm confused here. Do you mean if I were to read the counter outside of the interrupt handler?
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50Hz timer tick source
I'm confused here. Do you mean if I were to read the counter outside of the interrupt handler?
Sep 19
David Lochlin
, …
Spencer Owen
5
Sep 18
Extreme Kits SD Pico 4 - Getting Started.
SOLVED - It was a dodgy SD card. It appears OK in Windows and can format, copy files to it etc but
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Extreme Kits SD Pico 4 - Getting Started.
SOLVED - It was a dodgy SD card. It appears OK in Windows and can format, copy files to it etc but
Sep 18
7alken
, …
Sergey Kiselev
16
Sep 17
Z80-512K with 3V3 mods howto?
Thanks Sergey, I want to have also 16bit data possible, so this is DIP32+16 as-is now, it was really
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Z80-512K with 3V3 mods howto?
Thanks Sergey, I want to have also 16bit data possible, so this is DIP32+16 as-is now, it was really
Sep 17
Martin Giese
,
Colin Piggot
5
Sep 17
YM2149 "distortion" – and a lesson learnt
I've decided to go for the “official” 1.7734MHz clock. I bought some 17.734MHz crystals and built
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YM2149 "distortion" – and a lesson learnt
I've decided to go for the “official” 1.7734MHz clock. I bought some 17.734MHz crystals and built
Sep 17
Peter Onion
Sep 16
Still Time to book a ticket to demonstrate your system on Saturday at the RC2014 Assembly.
It's not too late to book a ticket for Saturdays event at TNMOC. There are still spaces for those
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Still Time to book a ticket to demonstrate your system on Saturday at the RC2014 Assembly.
It's not too late to book a ticket for Saturdays event at TNMOC. There are still spaces for those
Sep 16
Bill Shen
, …
7alken
41
Sep 15
Generic 8-bit uP SBC for RC2014
thanks Bill, really overlooked even in retro-comp, or if I skipped it mostly because of 5V by design.
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Generic 8-bit uP SBC for RC2014
thanks Bill, really overlooked even in retro-comp, or if I skipped it mostly because of 5V by design.
Sep 15
ladislau szilagyi
, …
ladislau szilagyi
42
Sep 15
New version of Cowgol dev environment on Z80 CP/M
Hi Petr, If you find something puzzling, strange or unusual in the documents (or source code) that I
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New version of Cowgol dev environment on Z80 CP/M
Hi Petr, If you find something puzzling, strange or unusual in the documents (or source code) that I
Sep 15
John Sandlin
, …
Mark Pruden
9
Sep 13
S command to see Slices in Boot [H=Help]:
John Another Just to give so more info about original question > I could have sworn there was an S
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S command to see Slices in Boot [H=Help]:
John Another Just to give so more info about original question > I could have sworn there was an S
Sep 13
John Sandlin
, …
Mark Pruden
4
Sep 13
Making new RomWBW images for Compact Flash
Hi John I suggest you investigate the ASSIGN /B=.... command for assigning drive letters. For simple
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Making new RomWBW images for Compact Flash
Hi John I suggest you investigate the ASSIGN /B=.... command for assigning drive letters. For simple
Sep 13
John Sandlin
, …
Spencer Owen
8
Sep 11
Front Panel Assembly Complete. ... Almost
Good work on tracking that down. From your earlier symptoms I suspected it might be a data line or
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Front Panel Assembly Complete. ... Almost
Good work on tracking that down. From your earlier symptoms I suspected it might be a data line or
Sep 11
Bill McMullen
, …
Wayne Warthen
7
Sep 10
Possible new eZ80 card for RCBus
This board has now been upgraded to use a QWIIC connector for I2C which allows it to easily interface
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Possible new eZ80 card for RCBus
This board has now been upgraded to use a QWIIC connector for I2C which allows it to easily interface
Sep 10
Peter Onion
, …
PauldB
6
Sep 9
C Code to calculate PI on my Z80
I agree, this stuff is a lot of fun. Some years back during Covid, Frank P. posted a conversation
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C Code to calculate PI on my Z80
I agree, this stuff is a lot of fun. Some years back during Covid, Frank P. posted a conversation
Sep 9
Darrell B
,
Spencer Owen
2
Sep 8
applied 9v to my rc2014 pro..
Hi Darrell, On 05/09/2025 03:52, Darrell B wrote: > I had another conversation going that doesnt
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applied 9v to my rc2014 pro..
Hi Darrell, On 05/09/2025 03:52, Darrell B wrote: > I had another conversation going that doesnt
Sep 8
Jonathan Harston
Sep 6
CP/M user number
The CP/M filesystem has a user number for each entry, selected with the CCP USER command and the
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CP/M user number
The CP/M filesystem has a user number for each entry, selected with the CCP USER command and the
Sep 6
David Hall
,
Wayne Warthen
2
Sep 5
RC2014 Zed, ROM Firmware is RomWBW HBIOS v3.4.0, 2023-12-31, CF Card is BIOS v3.5.1-rc.4 [WBW]
You are on the right track. You do want to upgrade your ROM to v3.5.1. This should work fine. Where
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RC2014 Zed, ROM Firmware is RomWBW HBIOS v3.4.0, 2023-12-31, CF Card is BIOS v3.5.1-rc.4 [WBW]
You are on the right track. You do want to upgrade your ROM to v3.5.1. This should work fine. Where
Sep 5
Darrell B
,
Mark T
3
Sep 4
Issue with rc2014.co.uk site
It's back up now.. Very well couldve just been a wordpress issue, as that's the error that
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Issue with rc2014.co.uk site
It's back up now.. Very well couldve just been a wordpress issue, as that's the error that
Sep 4
John Sandlin
, …
Sergey Kiselev
9
Sep 3
RC2014 Not Booting automatically
On Monday, September 1, 2025 at 10:31:57 AM UTC-7 Christer Karlsson wrote: I use the DS1233, the only
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RC2014 Not Booting automatically
On Monday, September 1, 2025 at 10:31:57 AM UTC-7 Christer Karlsson wrote: I use the DS1233, the only
Sep 3
David Lochlin
, …
S P Dixon
8
Sep 1
Can I use DOWNLOAD.COM for file transfer with CPM2.2 loaded with RomWBW
Thanks so much Wayne, having a build always makes things nice and easy. I'm well used to setting
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Can I use DOWNLOAD.COM for file transfer with CPM2.2 loaded with RomWBW
Thanks so much Wayne, having a build always makes things nice and easy. I'm well used to setting
Sep 1
David Hall
, …
Wayne Warthen
5
Sep 1
Newbie just built the ZedPro - a question on power up and reset
Ah interesting. I'm a little disappointed. I wanted to see what RomWBW will look like in 4 years.
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Newbie just built the ZedPro - a question on power up and reset
Ah interesting. I'm a little disappointed. I wanted to see what RomWBW will look like in 4 years.
Sep 1
Robb Bates
, …
Ed Brindley
15
Aug 31
RC2014 Orton 3C ETA?
There's some discussion about the new Orton 3C and a pic of the original Z80 3C at Retrofest over
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RC2014 Orton 3C ETA?
There's some discussion about the new Orton 3C and a pic of the original Z80 3C at Retrofest over
Aug 31
Robb Bates
, …
Greg Holdren
12
Aug 30
8086 MS DOS forum?
There is a Discord sever called EMM Computers that Elijah M Miller has setup to discuss 8088/V20 and
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8086 MS DOS forum?
There is a Discord sever called EMM Computers that Elijah M Miller has setup to discuss 8088/V20 and
Aug 30
Robb Bates
, …
Richard Deane
7
Aug 29
002/003 file extensions... compressed files?
Fell into myself a while back. :) I use LBR to package and unpackage under CP/M to avoid those issues
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002/003 file extensions... compressed files?
Fell into myself a while back. :) I use LBR to package and unpackage under CP/M to avoid those issues
Aug 29
Martin Giese
, …
7alken
15
Aug 28
“Fake“ Z80s?
; On Friday, December 20, 2024 at 9:36:17 AM UTC+1 Lee Adamson wrote: Well, the black-topped ones I
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“Fake“ Z80s?
; On Friday, December 20, 2024 at 9:36:17 AM UTC+1 Lee Adamson wrote: Well, the black-topped ones I
Aug 28
geneb
Aug 27
MS-DOS 2.0...
The recent question about MS-DOS reminded me that I needed to get some things uploaded to the
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MS-DOS 2.0...
The recent question about MS-DOS reminded me that I needed to get some things uploaded to the
Aug 27
Peter Onion
, …
Robert Porter
5
Aug 27
Are there any RC2014 Z8000 boards ?
I think there is a Z50Bus iirc... Doesn't (or didn't?) SCC have some boards on it? On Wed,
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Are there any RC2014 Z8000 boards ?
I think there is a Z50Bus iirc... Doesn't (or didn't?) SCC have some boards on it? On Wed,
Aug 27