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No unread posts The W65C265S and W65C134S

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AndrewP

16

911

Tue Nov 29, 2022 2:08 pm

Alarm Siren View the latest post

No unread posts Attachment(s) Expanding RAM Socket To A Full Expansion Bus

Sheep64

10

1078

Sun Nov 27, 2022 3:23 pm

BillO View the latest post

No unread posts Attachment(s) Firmware dev board - 65C02 busses during reset

banedon

9

909

Sat Nov 26, 2022 1:18 pm

Proxy View the latest post

No unread posts Attachment(s) MINIMALIST 6502 SYSTEM USES A CPU AND NOT MUCH ELSE

Martin_H

3

603

Thu Nov 24, 2022 7:19 pm

Martin_H View the latest post

No unread posts Attachment(s) 6502neo - A SBC project

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Z3d

24

2495

Mon Nov 21, 2022 6:52 pm

Z3d View the latest post

No unread posts I made a Simple Universal (tape) Modem PCB

AndersNielsen

10

902

Mon Nov 21, 2022 12:29 pm

Sheep64 View the latest post

No unread posts Attachment(s) Using an SD card in SD Mode

AndrewP

10

1561

Mon Nov 21, 2022 12:26 pm

Sheep64 View the latest post

No unread posts Attachment(s) Video Card

Rob Finch

12

1357

Mon Nov 21, 2022 12:21 pm

Sheep64 View the latest post

No unread posts Low power fuse for CPU board

akohlbecker

13

871

Mon Nov 21, 2022 12:18 pm

Sheep64 View the latest post

No unread posts saving power consumption

jeffythedragonslayer

4

664

Mon Nov 21, 2022 12:10 pm

Sheep64 View the latest post

No unread posts No penalty when stack pointer is not on a page boundary?

jeffythedragonslayer

8

647

Mon Nov 21, 2022 12:00 pm

Sheep64 View the latest post

No unread posts Why is pulling from the stack slower than pushing?

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jeffythedragonslayer

15

1150

Mon Nov 21, 2022 11:58 am

Sheep64 View the latest post

No unread posts Attachment(s) Running VIA, PIA, RIOT at half speed?

AndersNielsen

5

613

Mon Nov 21, 2022 11:56 am

Sheep64 View the latest post

No unread posts 65816 remapped stack and page 1 access?

fachat

14

1045

Mon Nov 21, 2022 11:48 am

Sheep64 View the latest post

No unread posts Attachment(s) Acolyte 6502 Schematic Video

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sburrow

25

1862

Sun Nov 20, 2022 7:41 pm

sburrow View the latest post

No unread posts Attachment(s) Hardware design tipps

fachat

3

1020

Fri Nov 18, 2022 8:02 am

GARTHWILSON View the latest post

No unread posts Attachment(s) Device drive/load/compatibility etc..

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BillO

44

2138

Thu Nov 03, 2022 9:40 pm

BillO View the latest post

No unread posts Attachment(s) 65C816 breakout board

akohlbecker

9

1144

Tue Nov 01, 2022 8:40 am

akohlbecker View the latest post

No unread posts Attachment(s) 65(C)02 Workbench Computer

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DarkestSoul1992

61

3666

Tue Nov 01, 2022 12:39 am

GARTHWILSON View the latest post

No unread posts Attachment(s) A working 3.3V prototype

floobydust

4

897

Sun Oct 30, 2022 6:44 pm

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Pin Pitch on the 65C265 and 65C134 (LQFP parts)

Alarm Siren

5

461

Sun Oct 30, 2022 12:17 pm

Alarm Siren View the latest post

No unread posts Attachment(s) Counter IC with output enable and parallel load

AndrewP

7

502

Mon Oct 24, 2022 7:02 am

drogon View the latest post

No unread posts Attachment(s) How to delay the BE going high after reset.

cheekyfox

1

237

Sun Oct 23, 2022 11:43 am

gfoot View the latest post

No unread posts Hold Time

sburrow

6

405

Sat Oct 22, 2022 8:58 pm

BillO View the latest post

No unread posts Attachment(s) 6702 dissection

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ttlworks

15

1506

Sat Oct 22, 2022 7:02 pm

Ruud View the latest post

No unread posts Attachment(s) Restoring a Laser 128: They made 74HCTLS244's??

cbmeeks

7

681

Fri Oct 21, 2022 3:28 pm

AndrewP View the latest post

No unread posts Attachment(s) 8520 dissection

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ttlworks

38

2200

Fri Oct 21, 2022 6:35 am

ttlworks View the latest post

No unread posts Attachment(s) Datasheets for clone IC’s - UM6526 UA6527 UA6528 and UA6538

AndersNielsen

7

1588

Mon Oct 10, 2022 6:42 pm

AndersNielsen View the latest post

No unread posts Attachment(s) Address decoding upgrade with 74HC139

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AndersNielsen

30

1581

Sun Oct 09, 2022 5:23 pm

AndersNielsen View the latest post

No unread posts Attachment(s) UA6527 (RP2A03 clone) - the same signal on A14 and A15

Atlantis

3

1836

Tue Oct 04, 2022 9:16 pm

AndersNielsen View the latest post

No unread posts Attachment(s) PHI1O on a W65C02

sburrow

7

484

Tue Oct 04, 2022 12:46 pm

BillO View the latest post

No unread posts Attachment(s) Fresh set of eyes—PCB short

CountChocula

9

511

Sun Oct 02, 2022 7:08 pm

CountChocula View the latest post

No unread posts WDC Expansion Boards

rpiguy2

1

331

Thu Sep 29, 2022 4:08 am

floobydust View the latest post

No unread posts KIM-1 Boards of the Past

glitch

6

579

Thu Sep 22, 2022 11:39 am

BillG View the latest post

No unread posts Attachment(s) Quick question: R6520 vs MC6820

BillO

7

495

Thu Sep 15, 2022 7:08 pm

BillO View the latest post

No unread posts Attachment(s) Dual seven segment HEX display

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AndrewP

36

1983

Wed Sep 14, 2022 7:29 am

AndrewP View the latest post

No unread posts Attachment(s) 6522 VIA partial shifts?

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AndersNielsen

36

2442

Tue Sep 13, 2022 6:27 am

AndersNielsen View the latest post

No unread posts Attachment(s) MOS 6522 dissection //NMOS

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ttlworks

44

3034

Mon Sep 12, 2022 7:01 pm

BigDumbDinosaur View the latest post

No unread posts In-Circut Programming of a flash

willie68

9

818

Wed Aug 31, 2022 1:49 pm

floobydust View the latest post

No unread posts W65C22N6 doesn't produce interrupts

willie68

2

318

Tue Aug 30, 2022 11:38 am

willie68 View the latest post

No unread posts Attachment(s) 68881 FPU and other FPU

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Dajgoro

58

10337

Mon Aug 29, 2022 12:47 pm

Sean View the latest post

No unread posts Attachment(s) NES PPU dissection

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ttlworks

17

2338

Mon Aug 29, 2022 8:55 am

ttlworks View the latest post

No unread posts Attachment(s) 6502 Forum 20th Anniversary Commemorative Tuit

Sheep64

4

339

Sat Aug 27, 2022 8:20 pm

fachat View the latest post

No unread posts Attachment(s) Register renaming in the 65816?

jeffythedragonslayer

5

531

Sat Aug 27, 2022 4:10 pm

Dr Jefyll View the latest post

No unread posts Attachment(s) DS1386 RAMified Watchdog Timekeeper

adrianhudson

10

720

Mon Aug 22, 2022 6:42 pm

BigEd View the latest post

No unread posts Attachment(s) Serial signal woes

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speculatrix

18

1096

Sun Aug 21, 2022 4:04 pm

speculatrix View the latest post

No unread posts Attachment(s) piggyback VGA - using an SRAM socket for video

BigEd

5

632

Thu Aug 18, 2022 4:01 am

plasmo View the latest post

No unread posts VGA output ESD protection

fachat

4

402

Tue Aug 16, 2022 12:01 pm

BigDumbDinosaur View the latest post

No unread posts 5v to 3.3v replacement for a 74ls14?

fachat

3

365

Sat Aug 13, 2022 2:37 pm

fachat View the latest post

No unread posts Attachment(s) Interfacing 65xx to 68030

Rob Finch

6

505

Sat Aug 06, 2022 8:04 am

kakemoms View the latest post

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