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No unread posts Attachment(s) Potato Semi

barnacle

6

2719

Fri Jan 26, 2024 5:37 pm

Agumander View the latest post

No unread posts 65c265 Disable Internal ROM via hardware

RebeccaBlue

3

2430

Tue Jan 23, 2024 6:47 pm

tokafondo View the latest post

No unread posts Attachment(s) Adding Apple ][ Video inexpensively onto an SBC (VGA)?

Michael

1

3190

Sun Jan 21, 2024 8:51 am

BigEd View the latest post

No unread posts Is the W65C02 (or W65C816) running @3.3V 5V tolerant

AndrewP

0

145937

Thu Jan 11, 2024 2:50 pm

AndrewP View the latest post

No unread posts Attachment(s) POC Computer Version One

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BigDumbDinosaur

563

3733271

Wed Jan 10, 2024 7:51 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Using a 74HC151 as an address decoder?

Michael

3

189950

Tue Jan 09, 2024 7:37 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) SB134X, Prototype board for W65C134

plasmo

13

19377

Tue Jan 09, 2024 1:01 pm

drogon View the latest post

No unread posts 6522 shift in timing question

pdragon

5

3319

Mon Jan 08, 2024 9:54 pm

GARTHWILSON View the latest post

No unread posts Olimex Open Source Modern Retro computer with W65C02

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Squonk

30

5918

Mon Jan 08, 2024 4:26 pm

floobydust View the latest post

No unread posts Attachment(s) My way for 6502 communications, UART & SPI/I2C

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maurice6502

46

1532

Fri Jan 05, 2024 10:13 am

fachat View the latest post

No unread posts Attachment(s) Well that was annoying...

barnacle

9

1191

Wed Jan 03, 2024 9:20 pm

barnacle View the latest post

No unread posts Attachment(s) I have half an idea...

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

barnacle

46

15185

Tue Jan 02, 2024 12:04 pm

BigEd View the latest post

No unread posts Attachment(s) Basic text-mode VGA output circuit

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gfoot

24

2382

Mon Jan 01, 2024 7:23 pm

WCMiller View the latest post

No unread posts Attachment(s) New Year Eve projects, I2C UART, EconOscillator and W65C134

plasmo

6

568

Sun Dec 31, 2023 1:09 am

plasmo View the latest post

No unread posts MOS 7529 + 6502: All math problems solving done

tokafondo

5

643

Sat Dec 30, 2023 10:20 pm

tokafondo View the latest post

No unread posts Attachment(s) Fairly complete multiprocess computer design

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

gfoot

67

22046

Sun Dec 24, 2023 6:43 am

barnacle View the latest post

No unread posts Attachment(s) The W65C134 SXB ?

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drogon

26

5462

Fri Dec 22, 2023 8:51 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Generating Wait-States with Clock Trickery

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

BigDumbDinosaur

44

20265

Fri Dec 22, 2023 7:23 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Working around the W65C51 transmit buffer empty bug

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

AndrewP

61

27985

Thu Dec 21, 2023 9:29 pm

John_M View the latest post

No unread posts IRQB acts like it is permanently grounded

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

Kaldek

35

9772

Mon Dec 18, 2023 8:18 am

fachat View the latest post

No unread posts [SOLVED] Slighty O/T : Need Avrasm2

GlennSmith

2

5798

Sun Dec 17, 2023 8:40 am

GlennSmith View the latest post

No unread posts Attachment(s) Disabling NMIB (with multiple sources)

AndrewP

13

2902

Tue Dec 12, 2023 5:41 pm

barnacle View the latest post

No unread posts Attachment(s) Adaptor for high frequency captures with FX2 logic analyser

gfoot

6

3211

Tue Dec 12, 2023 8:22 am

GlennSmith View the latest post

No unread posts IIgs Ram Expansion slot Pinout explanation

kktos

3

1210

Mon Dec 11, 2023 7:09 pm

kktos View the latest post

No unread posts MMU units for 6502 and 65816

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

ccureau

52

36174

Sun Dec 10, 2023 11:30 am

gfoot View the latest post

No unread posts Attachment(s) Rockwell R6545R1 CRT controller dissection

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ttlworks

29

15457

Sun Dec 10, 2023 3:32 am

fachat View the latest post

No unread posts CISC or RISC

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bvold

43

51892

Sat Dec 09, 2023 4:31 am

Dr Jefyll View the latest post

No unread posts Semi-OT: "watch electricity hit a fork in the road"

BigEd

0

12561

Fri Dec 08, 2023 11:40 am

BigEd View the latest post

No unread posts Nintendo Zapper in slow motion

allisonlastname

1

1146

Wed Dec 06, 2023 8:26 pm

drogon View the latest post

No unread posts Attachment(s) The W65C256 Revisited

Jmstein7

8

1424

Tue Dec 05, 2023 4:40 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Defective board from JLCPCB

plasmo

7

1609

Sun Dec 03, 2023 5:55 pm

and3rson View the latest post

No unread posts Attachment(s) Ben Eater Double Buffered video and improved address decode

NormalLuser

5

2926

Sat Dec 02, 2023 11:33 pm

NormalLuser View the latest post

No unread posts Attachment(s) Blue August project thread

[ Go to pageGo to page: 1 ... 10, 11, 12 ]

Paganini

167

81111

Sat Dec 02, 2023 8:14 pm

GARTHWILSON View the latest post

No unread posts Attachment(s) 6502 coprocessor using dual-port RAM

[ Go to pageGo to page: 1, 2 ]

plasmo

25

17485

Fri Dec 01, 2023 4:35 pm

BruceRMcF View the latest post

No unread posts Curious AT28C64B EEPROM fault

gfoot

9

3690

Fri Dec 01, 2023 8:46 am

BigEd View the latest post

No unread posts Attachment(s) 5v-3v3 bidirectional buffer

[ Go to pageGo to page: 1, 2 ]

barnacle

28

6976

Fri Dec 01, 2023 5:36 am

BruceRMcF View the latest post

No unread posts Attachment(s) Apple II keyboard controller / more intelligent SPI

fachat

12

3584

Thu Nov 30, 2023 11:16 pm

fachat View the latest post

No unread posts Attachment(s) interface a qmk keyboard to VIA 65c22 ?

pdragon

2

1684

Thu Nov 30, 2023 1:13 pm

pdragon View the latest post

No unread posts Attachment(s) Simple circuits for clock stretching to match a slow clock

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gfoot

34

12297

Tue Nov 28, 2023 11:57 pm

gfoot View the latest post

No unread posts Attachment(s) Simple two-mode memory map implementation

gfoot

13

6005

Sun Nov 26, 2023 2:02 pm

gfoot View the latest post

No unread posts Attachment(s) Another 6522 SPI question

[ Go to pageGo to page: 1, 2 ]

xjmaas

19

6125

Fri Nov 24, 2023 3:15 pm

BruceRMcF View the latest post

No unread posts Modifying Drass' c74 design for blinkenlights.

bpdegnan

1

1241

Tue Nov 21, 2023 6:17 am

BigEd View the latest post

No unread posts OSI Floppy Disk Interface and OS

bartleph

8

2400

Sat Nov 18, 2023 6:01 pm

bartleph View the latest post

No unread posts Attachment(s) 6522 as a PS2 keyboard controller?

[ Go to pageGo to page: 1, 2 ]

nerdy1

26

11416

Wed Nov 15, 2023 9:41 pm

BruceRMcF View the latest post

No unread posts Attachment(s) How conservative are datasheets?

richardc64

13

3538

Tue Nov 14, 2023 10:13 am

J64C View the latest post

No unread posts Attachment(s) Simple PS/2 interface with interrupts in few 7400 chips

and3rson

13

3169

Tue Nov 14, 2023 4:29 am

BruceRMcF View the latest post

No unread posts Attachment(s) 6522 VIA r/w with desynchronized clock

and3rson

4

4123

Thu Nov 09, 2023 5:04 pm

BruceRMcF View the latest post

No unread posts Attachment(s) Read timings while accessing an external memory from HuC6280

PierreGTT

5

16809

Thu Nov 09, 2023 9:36 am

PierreGTT View the latest post

No unread posts Attachment(s) Yet another sbc without a parallel rom

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

barnacle

35

202801

Mon Nov 06, 2023 6:07 pm

BruceRMcF View the latest post

No unread posts Attachment(s) RDY vs CLOCK STRETCHING. Includes a few very simple circuits

[ Go to pageGo to page: 1, 2 ]

Dr Jefyll

16

166628

Wed Nov 01, 2023 11:35 am

gfoot View the latest post

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