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No unread posts Attachment(s) Techniques for reliable high-speed digital circuits

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BigEd

148

524640

Sat Apr 27, 2024 10:00 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) list of chip dissections

ttlworks

11

14873

Wed Apr 10, 2024 4:48 am

ttlworks View the latest post

No unread posts Attachment(s) My 6502 computer

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viridi

16

221

Fri May 03, 2024 10:47 am

barnacle View the latest post

No unread posts Attachment(s) DMX Output board for 6502 based systems

Sittingbull

13

242

Fri May 03, 2024 12:29 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Diodes for Relay Logic Gates.

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Martin_H

24

312

Thu May 02, 2024 10:42 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Blue... wait, is it April again already?

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Paganini

24

636

Thu May 02, 2024 5:43 pm

Paganini View the latest post

No unread posts Vector Pull - WDC65C02

barnacle

3

128

Tue Apr 30, 2024 2:18 pm

AndrewP View the latest post

No unread posts Attachment(s) VGA 25.175 MHz clock divider oscilloscope output question

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JohanFr

15

162

Tue Apr 30, 2024 7:44 am

BigDumbDinosaur View the latest post

No unread posts Now here's a handly little chip

barnacle

0

104

Mon Apr 29, 2024 5:35 am

barnacle View the latest post

No unread posts Cheap Video Questions

VinCBR900

8

413

Mon Apr 29, 2024 5:22 am

barnacle View the latest post

No unread posts Transistor Not Gate with capacitor & resistor for base bias

Martin_H

3

163

Fri Apr 26, 2024 2:01 pm

Martin_H View the latest post

No unread posts Attachment(s) Help with Tms9918anl losing signal when background changed

Redragon_Gamer

13

2648

Tue Apr 23, 2024 12:54 am

Redragon_Gamer View the latest post

No unread posts Attachment(s) CF-Card/RTC adapter

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floobydust

41

3440

Mon Apr 22, 2024 10:40 am

Edzard View the latest post

No unread posts Attachment(s) Parts bin UART receiver

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barnacle

24

4624

Sun Apr 21, 2024 7:27 pm

Dr Jefyll View the latest post

No unread posts Attachment(s) I made a 12-27V EPROM programmer 8)

AndersNielsen

5

2490

Sat Apr 20, 2024 10:53 am

Michael View the latest post

No unread posts MC68B50 trouble

wawavoun

3

292

Wed Apr 17, 2024 4:35 pm

wawavoun View the latest post

No unread posts Attachment(s) 25MHz 3.3V 6502 Prototype computer

plasmo

3

10229

Wed Apr 17, 2024 10:10 am

fachat View the latest post

No unread posts Attachment(s) During a JSR does the 6502 store ADL in the stack pointer?

musmuris

3

252

Mon Apr 15, 2024 3:11 pm

musmuris View the latest post

No unread posts Attachment(s) Slower SRAM works but fast doesn't????

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dolomiah

88

29050

Thu Apr 04, 2024 5:18 pm

BigEd View the latest post

No unread posts Fastest possible SD card Read with a 6522 VIA?

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NormalLuser

19

5254

Wed Apr 03, 2024 6:20 pm

Dietrich View the latest post

No unread posts Attachment(s) ATF1508 and ATF1504 breakout boards

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akohlbecker

16

56088

Mon Apr 01, 2024 4:10 am

Nemesis View the latest post

No unread posts FT245R

barnacle

10

2636

Fri Mar 29, 2024 5:41 pm

barnacle View the latest post

No unread posts Attachment(s) Recommendation fast 512k x 8 RAM?

fachat

6

2488

Thu Mar 28, 2024 9:31 am

fachat View the latest post

No unread posts Synertek SYM-1 no longer powers on correctly/no keypad

GinDiamond

2

2070

Sat Mar 23, 2024 9:16 pm

GinDiamond View the latest post

No unread posts Attachment(s) Yet another programmer

barnacle

2

2165

Thu Mar 21, 2024 7:40 pm

barnacle View the latest post

No unread posts Attachment(s) Connecting a 16-key keypad to VIA: Did I do it right?

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JeffJetton

21

3693

Thu Mar 21, 2024 1:48 pm

drogon View the latest post

No unread posts R6520_M6821 running at low freq.

6502user

5

2425

Mon Mar 18, 2024 2:57 pm

drogon View the latest post

No unread posts Attachment(s) Breadboard Buddy BB-ZIF-32 Adapter PCB

Michael

0

10684

Sun Mar 17, 2024 3:29 pm

Michael View the latest post

No unread posts Attachment(s) Eprom state machine for vga address, syncs, and blanking

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barnacle

20

3959

Tue Mar 12, 2024 9:08 am

barnacle View the latest post

No unread posts Attachment(s) CH375B USB Mass Storage Controller

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DavidBuchanan

23

39441

Fri Mar 08, 2024 2:47 pm

gregorio View the latest post

No unread posts Attachment(s) Independent Bits Output

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gilhad

18

3588

Sat Mar 02, 2024 6:57 am

Yuri View the latest post

No unread posts Attachment(s) Moving beyond 8MHz with standard ICs

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ytropek

40

6097

Sat Mar 02, 2024 6:53 am

Yuri View the latest post

No unread posts Attachment(s) 6502 as a VGA controller

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plasmo

42

71065

Sat Mar 02, 2024 3:40 am

plasmo View the latest post

No unread posts Apple II joysticks, SNES gamepads and my homebrew computer

ebadger

0

11122

Fri Feb 23, 2024 2:55 pm

ebadger View the latest post

No unread posts Any downside to subbing 6502 with 65816?

pdragon

7

2567

Thu Feb 22, 2024 1:07 am

Yuri View the latest post

No unread posts Attachment(s) VT-100 CONSOLE FOR HOMEBREW COMPUTERS

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BigDumbDinosaur

27

16714

Mon Feb 19, 2024 10:29 pm

BigDumbDinosaur View the latest post

No unread posts Using SPI as You Would GPIB

fachat

3

2266

Mon Feb 19, 2024 5:46 pm

BruceRMcF View the latest post

No unread posts Attachment(s) Best SRAM options for >32Kb ram?

pdragon

8

2398

Mon Feb 19, 2024 3:27 pm

Paganini View the latest post

No unread posts Attachment(s) Success! VIA SR => SD card SPI at 22 cycles/byte

pdragon

11

2483

Mon Feb 19, 2024 12:42 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) The VIA shift register bug

fachat

9

3255

Sun Feb 18, 2024 9:47 pm

BruceRMcF View the latest post

No unread posts AVR MCU as keyboard controller (RDY and BE signals on 6502)

SwenW

1

2036

Sun Feb 18, 2024 3:20 pm

BruceRMcF View the latest post

No unread posts Attachment(s) Should i tie wires?

2020jj600andmore

5

2267

Fri Feb 16, 2024 3:56 pm

Paganini View the latest post

No unread posts Attachment(s) 8521 dissection

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ttlworks

49

8551

Fri Feb 16, 2024 1:18 pm

fhw72 View the latest post

No unread posts Attachment(s) 74HCT6526 - A MOS6526 implementation with 74xx ICs

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daniMolina

188

42509

Fri Feb 16, 2024 8:56 am

fachat View the latest post

No unread posts Control 20x4 LCD with addr decoding instead of VIA ORB pins?

pdragon

5

2346

Tue Feb 13, 2024 3:25 pm

SamCoVT View the latest post

No unread posts Attachment(s) Vector Pull Rewrite for W65C816

AlanCanon

5

2223

Sun Feb 11, 2024 5:03 pm

AlanCanon View the latest post

No unread posts Attachment(s) 6502-Teensy Bridge: PCB/Schematic review

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ytropek

17

4273

Fri Feb 09, 2024 3:54 pm

ytropek View the latest post

No unread posts Attachment(s) Prototyping board for SOIC and DIP

barnacle

14

13061

Fri Feb 09, 2024 7:50 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Simple SPI with 7400 logic

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and3rson

20

6614

Wed Feb 07, 2024 4:53 am

BruceRMcF View the latest post

No unread posts Attachment(s) USB Keyboard to 6502... ?

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drogon

15

5018

Sun Feb 04, 2024 5:43 pm

Proxy View the latest post

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