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No unread posts Attachment(s) list of chip dissections

ttlworks

11

14554

Wed Apr 10, 2024 4:48 am

ttlworks View the latest post

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

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BigEd

146

522211

Wed Oct 18, 2023 7:48 am

GARTHWILSON View the latest post

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

musmuris

3

93

Mon Apr 15, 2024 3:11 pm

musmuris View the latest post

No unread posts Cheap Video Questions

VinCBR900

4

122

Sun Apr 14, 2024 4:19 pm

GARTHWILSON View the latest post

No unread posts Attachment(s) Parts bin UART receiver

barnacle

14

2402

Fri Apr 12, 2024 10:45 am

plasmo View the latest post

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

AndersNielsen

4

2212

Thu Apr 11, 2024 7:21 pm

Martin_H View the latest post

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

[ Go to pageGo to page: 1 ... 4, 5, 6 ]

dolomiah

88

28304

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

4930

Wed Apr 03, 2024 6:20 pm

Dietrich View the latest post

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

plasmo

0

9790

Tue Apr 02, 2024 4:07 am

plasmo View the latest post

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

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akohlbecker

16

55787

Mon Apr 01, 2024 4:10 am

Nemesis View the latest post

No unread posts FT245R

barnacle

10

2441

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

2235

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

1906

Sat Mar 23, 2024 9:16 pm

GinDiamond View the latest post

No unread posts Attachment(s) Yet another programmer

barnacle

2

1995

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?

[ Go to pageGo to page: 1, 2 ]

JeffJetton

21

3393

Thu Mar 21, 2024 1:48 pm

drogon View the latest post

No unread posts R6520_M6821 running at low freq.

6502user

5

2247

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

10029

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

[ Go to pageGo to page: 1, 2 ]

barnacle

20

3639

Tue Mar 12, 2024 9:08 am

barnacle View the latest post

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

[ Go to pageGo to page: 1, 2 ]

DavidBuchanan

23

39102

Fri Mar 08, 2024 2:47 pm

gregorio View the latest post

No unread posts Attachment(s) Independent Bits Output

[ Go to pageGo to page: 1, 2 ]

gilhad

18

3309

Sat Mar 02, 2024 6:57 am

Yuri View the latest post

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

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

ytropek

40

5669

Sat Mar 02, 2024 6:53 am

Yuri View the latest post

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

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

plasmo

42

70572

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

10492

Fri Feb 23, 2024 2:55 pm

ebadger View the latest post

No unread posts Any downside to subbing 6502 with 65816?

pdragon

7

2364

Thu Feb 22, 2024 1:07 am

Yuri View the latest post

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

[ Go to pageGo to page: 1, 2 ]

BigDumbDinosaur

27

16294

Mon Feb 19, 2024 10:29 pm

BigDumbDinosaur View the latest post

No unread posts Using SPI as You Would GPIB

fachat

3

2096

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

2198

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

2282

Mon Feb 19, 2024 12:42 am

BigDumbDinosaur View the latest post

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

fachat

9

3029

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

1874

Sun Feb 18, 2024 3:20 pm

BruceRMcF View the latest post

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

Redragon_Gamer

11

2377

Fri Feb 16, 2024 7:59 pm

GARTHWILSON View the latest post

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

2020jj600andmore

5

2090

Fri Feb 16, 2024 3:56 pm

Paganini View the latest post

No unread posts Attachment(s) 8521 dissection

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

ttlworks

49

8032

Fri Feb 16, 2024 1:18 pm

fhw72 View the latest post

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

[ Go to pageGo to page: 1 ... 11, 12, 13 ]

daniMolina

188

41676

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

2159

Tue Feb 13, 2024 3:25 pm

SamCoVT View the latest post

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

AlanCanon

5

2045

Sun Feb 11, 2024 5:03 pm

AlanCanon View the latest post

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

[ Go to pageGo to page: 1, 2 ]

ytropek

17

3984

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

12837

Fri Feb 09, 2024 7:50 am

BigDumbDinosaur View the latest post

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

[ Go to pageGo to page: 1, 2 ]

and3rson

20

6307

Wed Feb 07, 2024 4:53 am

BruceRMcF View the latest post

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

[ Go to pageGo to page: 1, 2 ]

drogon

15

4703

Sun Feb 04, 2024 5:43 pm

Proxy View the latest post

No unread posts Attachment(s) 6551 vs 6850 vs 8250 vs ?

[ Go to pageGo to page: 1 ... 5, 6, 7 ]

Dajgoro

101

46948

Sun Feb 04, 2024 7:37 am

BruceRMcF View the latest post

No unread posts Attachment(s) Acolyte '816 SBC

[ Go to pageGo to page: 1, 2 ]

sburrow

25

4226

Sat Feb 03, 2024 3:51 pm

BruceRMcF View the latest post

No unread posts Attachment(s) Thoughts on fancy address decoding for 816 systems

[ Go to pageGo to page: 1, 2 ]

BigEd

16

6944

Tue Jan 30, 2024 8:47 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Potato Semi

barnacle

6

2570

Fri Jan 26, 2024 5:37 pm

Agumander View the latest post

No unread posts 65c265 Disable Internal ROM via hardware

RebeccaBlue

3

2299

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

3050

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

145398

Thu Jan 11, 2024 2:50 pm

AndrewP View the latest post

No unread posts Attachment(s) POC Computer Version One

[ Go to pageGo to page: 1 ... 36, 37, 38 ]

BigDumbDinosaur

563

3731952

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

189790

Tue Jan 09, 2024 7:37 pm

BigDumbDinosaur View the latest post

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

plasmo

13

19290

Tue Jan 09, 2024 1:01 pm

drogon View the latest post

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