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No unread posts Attachment(s) Broken opcode?

jeffythedragonslayer

3

360

Wed Nov 03, 2021 1:53 pm

Dr Jefyll View the latest post

No unread posts Making the 6502 address memory to the infinite and beyond

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tokafondo

31

1821

Wed Nov 03, 2021 7:25 am

kakemoms View the latest post

No unread posts Attachment(s) Booting a 6502 with only 16K and no ROM

Oneironaut

6

692

Wed Nov 03, 2021 4:29 am

Michael View the latest post

No unread posts Attachment(s) 65c02 computer motherboard design feedback

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kalj

37

2259

Tue Nov 02, 2021 7:52 pm

barrym95838 View the latest post

No unread posts Attachment(s) A Standalone 6502 computer

plasmo

5

505

Wed Oct 27, 2021 3:23 pm

Oneironaut View the latest post

No unread posts Attachment(s) The J64C (version 0)

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J64C

39

2185

Wed Oct 27, 2021 2:14 am

J64C View the latest post

No unread posts Attachment(s) Vulcan-74 - A 6502 Powered Retro MegaProject

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Oneironaut

732

218737

Mon Oct 25, 2021 9:01 pm

Oneironaut View the latest post

No unread posts How does ABORT on the 65816 actually work?

AndrewP

7

961

Thu Oct 21, 2021 2:37 pm

AndrewP View the latest post

No unread posts Attachment(s) SRAM mystery

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fachat

37

2796

Sat Oct 16, 2021 12:02 am

fachat View the latest post

No unread posts WTB?

jbaum81

0

13255

Thu Oct 14, 2021 2:48 am

jbaum81 View the latest post

No unread posts Attachment(s) 8726 dissection

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ttlworks

39

3662

Wed Oct 13, 2021 3:30 pm

daniMolina View the latest post

No unread posts 6502 + F18a write cycle issue

nippur72

5

520

Tue Oct 12, 2021 2:16 pm

Dr Jefyll View the latest post

No unread posts 65816 /ABORT Pin As General Purpose Interrupt

Sheep64

1

357

Mon Oct 11, 2021 12:05 pm

BigEd View the latest post

No unread posts Attachment(s) Best type capacitor to use?

richardc64

10

771

Mon Oct 04, 2021 4:09 pm

richardc64 View the latest post

No unread posts YouTube videos on W65c265SXB build/Add0n...

handyandy

1

292

Sun Sep 26, 2021 12:54 pm

drogon View the latest post

No unread posts Attachment(s) A(nother) proposed RC2014-style bus pinout.

[ Go to pageGo to page: 1, 2, 3, 4, 5 ]

Individual_Solid

61

3045

Sat Sep 25, 2021 4:08 pm

fachat View the latest post

No unread posts Attachment(s) 65C02 Halt and Resume

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Photoman

38

1692

Fri Sep 24, 2021 11:27 pm

fachat View the latest post

No unread posts Attachment(s) 65816 COP instruction

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asmlang_6

51

7517

Wed Sep 22, 2021 3:42 pm

Jmstein7 View the latest post

No unread posts Attachment(s) SCN-485 Simple Network Idea

Alarm Siren

5

394

Wed Sep 22, 2021 9:15 am

drogon View the latest post

No unread posts Aim 65 serial problems R24 value at 1K

JMZinserling

1

217

Tue Sep 21, 2021 8:18 am

BigEd View the latest post

No unread posts Troubleshoot AIM 65 serial

andyd

5

2844

Tue Sep 21, 2021 2:52 am

GARTHWILSON View the latest post

No unread posts Attachment(s) B36502X Single Board Computer

[ Go to pageGo to page: 1, 2, 3, 4, 5 ]

Individual_Solid

69

5478

Tue Sep 14, 2021 12:20 pm

Alarm Siren View the latest post

No unread posts Attachment(s) WE816 SBC by Dan Werner

BigEd

0

9098

Mon Sep 06, 2021 8:30 am

BigEd View the latest post

No unread posts Attachment(s) So, what's 5ns amongst friends anyway?

floobydust

7

1253

Sun Sep 05, 2021 11:26 pm

floobydust View the latest post

No unread posts Attachment(s) When should Φ2 be used over Φ0? (Or: Φ0 vs. Φ2 vs. RWB)

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cjs

42

2022

Sat Sep 04, 2021 3:29 pm

gfoot View the latest post

No unread posts Attachment(s) Bootloader terminology

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Individual_Solid

18

899

Sun Aug 29, 2021 6:50 am

John West View the latest post

No unread posts WDC 65C51 disable echo mode

jfoucher

3

256

Sat Aug 28, 2021 7:52 am

jfoucher View the latest post

No unread posts Attachment(s) Did we build the UK's first 6502-based "microcontroller"?

graeme.harker

2

296

Wed Aug 25, 2021 5:01 pm

BigEd View the latest post

No unread posts Attachment(s) Anyone using Rdy to halt a 65C02 ? (or '816)

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drogon

25

1354

Mon Aug 23, 2021 4:15 pm

Druzyek View the latest post

No unread posts Attachment(s) Logic between LS (in) and CMOS (out) - HC or HCT??

grantb5

8

563

Thu Aug 19, 2021 1:17 pm

richardc64 View the latest post

No unread posts Attachment(s) 65C22N CA1 why no interrupt?

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graeme.harker

15

849

Thu Aug 19, 2021 11:29 am

floobydust View the latest post

No unread posts Attachment(s) Recommended oscilloscope features?

[ Go to pageGo to page: 1, 2, 3 ]

fachat

44

20376

Fri Aug 13, 2021 7:25 am

cjs View the latest post

No unread posts Attachment(s) First project in ages ...

kernelthread

4

1360

Thu Aug 12, 2021 8:22 pm

kernelthread View the latest post

No unread posts Attachment(s) SC28L92A1A source

Procrastin8

4

384

Thu Aug 12, 2021 3:41 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Running buses off the main PCB, I/O on daughter board

[ Go to pageGo to page: 1, 2, 3 ]

banedon

31

1334

Wed Aug 11, 2021 9:35 pm

banedon View the latest post

No unread posts Power switch recommendations...

cbmeeks

3

293

Mon Aug 09, 2021 7:33 pm

cbmeeks View the latest post

No unread posts Raspberry Pi Pico PIO as 65c02 DMA Controller?

Jmstein7

7

903

Mon Aug 09, 2021 2:07 pm

Jmstein7 View the latest post

No unread posts The MicroPET project

[ Go to pageGo to page: 1, 2 ]

fachat

16

1561

Sun Aug 08, 2021 5:23 pm

fachat View the latest post

No unread posts Attachment(s) Proper /IRQ handling for multiple devices

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cbmeeks

47

2376

Sun Aug 08, 2021 12:56 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) PIC16F877A PSP Parallel Slave Port and 6522 / 65c22?

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Jmstein7

20

1163

Fri Aug 06, 2021 7:31 pm

Jmstein7 View the latest post

No unread posts Weird behavior of TMS9918

Atlantis

1

591

Thu Aug 05, 2021 8:36 pm

Dr Jefyll View the latest post

No unread posts Attachment(s) 6530 dissection

[ Go to pageGo to page: 1, 2 ]

ttlworks

27

2285

Tue Aug 03, 2021 7:56 am

fhw72 View the latest post

No unread posts Attachment(s) 65SPI

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8BIT

105

60928

Mon Aug 02, 2021 5:10 pm

plasmo View the latest post

No unread posts Beeb816 - an in-socket upgrade for Acorn's 8 bit machines

BigEd

0

9322

Fri Jul 30, 2021 7:35 pm

BigEd View the latest post

No unread posts Common Scavenge List?

ThisWayUp

8

1513

Mon Jul 26, 2021 3:44 pm

channelmaniac View the latest post

No unread posts Attachment(s) Phi2 produces instability

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fredericsegard

21

1187

Sat Jul 24, 2021 1:07 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Version 2 of my build

fredericsegard

14

741

Tue Jul 20, 2021 1:08 am

fredericsegard View the latest post

No unread posts Attachment(s) New 65816 design with expansion bus for video

[ Go to pageGo to page: 1, 2 ]

jmthompson

27

1174

Sun Jul 18, 2021 3:54 am

jmthompson View the latest post

No unread posts Attachment(s) Interrupt generation circuit - Comments invited

rascalsailor

11

700

Fri Jul 16, 2021 7:21 pm

GARTHWILSON View the latest post

No unread posts Tape modems

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GARTHWILSON

16

5753

Wed Jul 14, 2021 9:53 am

BigEd View the latest post

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