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No unread posts 6502 instruction control lines breakdown needed

JustClaire

1

443

Mon Oct 26, 2020 5:56 pm

BigEd View the latest post

No unread posts Attachment(s) Homebrew EPROM Programmer Voltage Control?

Michael

5

911

Sun Oct 25, 2020 5:04 pm

1024MAK View the latest post

No unread posts Attachment(s) ARM1 ALU (thoughts on ALU speed and design)

joanlluch

13

927

Sat Oct 24, 2020 9:07 am

BigEd View the latest post

No unread posts W65C134SXB and programming the flash eeprom?

drogon

2

361

Fri Oct 23, 2020 4:01 pm

drogon View the latest post

No unread posts 65C22S in NMOS design

brain

8

587

Thu Oct 22, 2020 3:54 am

brain View the latest post

No unread posts Attachment(s) 7501/8501 NMI

litwr

4

793

Tue Oct 20, 2020 9:13 pm

fhw72 View the latest post

No unread posts Interrupt on pin change

Atlantis

11

1249

Mon Oct 19, 2020 4:10 pm

Atlantis View the latest post

No unread posts Attachment(s) Moving to PLCC 65c02

banedon

7

842

Wed Oct 07, 2020 8:05 am

GARTHWILSON View the latest post

No unread posts Attachment(s) CF card handling in 6502 system

Atlantis

6

1009

Sat Oct 03, 2020 7:34 pm

floobydust View the latest post

No unread posts Attachment(s) DRC2: a 6502 based single board computer

[ Go to pageGo to page: 1, 2 ]

ttlworks

18

2601

Tue Sep 29, 2020 8:13 am

ttlworks View the latest post

No unread posts Attachment(s) Detecting I/O devices

floobydust

3

458

Mon Sep 28, 2020 3:18 pm

floobydust View the latest post

No unread posts I/O in an '816 system using no extra chips

BigEd

4

1016

Sun Sep 20, 2020 1:00 pm

BillO View the latest post

No unread posts 65816 vs. 6502 + MMU

Ruud

10

1599

Thu Sep 17, 2020 7:45 pm

GARTHWILSON View the latest post

No unread posts A 65816 design, I need some info or better, conformation

Ruud

13

1287

Thu Sep 17, 2020 7:51 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Reverse Engineering the APATCO NCS-EB50 PCB

[ Go to pageGo to page: 1, 2 ]

Martin_H

21

1609

Mon Sep 14, 2020 3:59 pm

Martin_H View the latest post

No unread posts Mini TTL 6502 simulator

Ruud

0

1423

Mon Sep 14, 2020 3:16 pm

Ruud View the latest post

No unread posts Attachment(s) Amazing dual cpu 6502 video games machine.

tokafondo

6

1005

Mon Aug 31, 2020 8:16 pm

BigEd View the latest post

No unread posts Attachment(s) PC/ISA 65832 computer

Rob Finch

9

1752

Mon Aug 31, 2020 3:34 am

Rob Finch View the latest post

No unread posts Attachment(s) W65C165

[ Go to pageGo to page: 1, 2 ]

BitWise

19

3503

Sat Aug 15, 2020 12:11 pm

DerTrueForce View the latest post

No unread posts Attachment(s) strange signals on 6502 dataline

ThePhysicist

2

398

Fri Aug 07, 2020 2:00 am

ThePhysicist View the latest post

No unread posts Attachment(s) JGG 65C816 Single Board Computer

JuanGg

8

1294

Tue Aug 04, 2020 1:01 pm

JuanGg View the latest post

No unread posts Very unexpected DRAM data corruption

BigEd

5

851

Mon Aug 03, 2020 7:26 am

1024MAK View the latest post

No unread posts A mysterious Argentine computer

litwr

5

996

Thu Jul 30, 2020 7:40 pm

Chromatix View the latest post

No unread posts Attachment(s) 3,3v circuit design... my first wall.

tokafondo

5

607

Wed Jul 29, 2020 5:01 am

ttlworks View the latest post

No unread posts Retro PC parts in homemade computers

Atlantis

12

1615

Thu Jul 23, 2020 4:44 pm

1024MAK View the latest post

No unread posts SRAM Memory problem in SBC.

tokafondo

4

544

Wed Jul 22, 2020 10:18 pm

tokafondo View the latest post

No unread posts TIM-1 Serial Ports

jds

4

653

Mon Jul 20, 2020 3:56 am

jds View the latest post

No unread posts Attachment(s) Somewhat unexpected glitch on RnW signal in '816 system

BigEd

2

2452

Mon Jul 13, 2020 7:14 am

BigEd View the latest post

No unread posts Tiny 65816 Board

BitWise

3

644

Sun Jul 12, 2020 5:06 am

BigEd View the latest post

No unread posts Attachment(s) Weird Issue with SC28L92 DUART Timer?!

LIV2

9

811

Sat Jul 11, 2020 12:52 pm

LIV2 View the latest post

No unread posts Attachment(s) Video sync ICs

Dan Moos

10

2026

Thu Jul 09, 2020 6:56 am

BigEd View the latest post

No unread posts Attachment(s) 74HC374 D-Latch sets output without Clock

cool

11

1036

Tue Jun 30, 2020 5:14 pm

cool View the latest post

No unread posts Attachment(s) More than 2 wait-states for 8 MHz SBC

[ Go to pageGo to page: 1, 2 ]

jaccodewijs

15

1438

Mon Jun 29, 2020 6:53 am

jaccodewijs View the latest post

No unread posts When is 4.000MHz not 4.000MHz?

thedrip

14

1279

Wed Jun 17, 2020 3:37 pm

thedrip View the latest post

No unread posts Attachment(s) VIC-20 Based 6502C/6522C Test Bed

energysteven

1

651

Sat Jun 13, 2020 7:46 pm

GARTHWILSON View the latest post

No unread posts Attachment(s) V9958 Video for 6502 SBC

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

maded2

36

4151

Tue Jun 09, 2020 12:15 am

maded2 View the latest post

No unread posts 65C816 on the 16 bit ISA bus

N2-

10

1328

Mon Jun 08, 2020 7:10 pm

floobydust View the latest post

No unread posts Attachment(s) Query:

[ Go to pageGo to page: 1, 2 ]

BillO

19

2162

Thu Jun 04, 2020 5:46 pm

kazzie View the latest post

No unread posts Attachment(s) DIA, another TTL 6526

ttlworks

7

1350

Wed May 27, 2020 6:10 am

ttlworks View the latest post

No unread posts State of W65C02 when BE is kept low ?

Agrimensor

6

884

Wed May 27, 2020 5:39 am

BigDumbDinosaur View the latest post

No unread posts I/O holes

unclouded

11

1174

Tue May 19, 2020 8:46 am

BigEd View the latest post

No unread posts Error in data bus while writing

diego2000

6

737

Tue May 12, 2020 2:52 am

Chromatix View the latest post

No unread posts 6850 Interrupt on receive not triggering

dvltav410

3

850

Sun May 10, 2020 4:44 am

BigEd View the latest post

No unread posts FTDI USB to UART / Parallel converter chips.

tokafondo

7

1204

Sat May 09, 2020 12:27 am

Chromatix View the latest post

No unread posts Attachment(s) Contemporany 6502 compatible hardware (chips, actually).

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

tokafondo

49

4078

Thu May 07, 2020 8:45 pm

BigEd View the latest post

No unread posts Using MC6840 as asynchronous counter

Atlantis

1

483

Thu May 07, 2020 5:45 pm

Chromatix View the latest post

No unread posts MC6840 timer is counting way to slow

Atlantis

5

711

Mon May 04, 2020 6:32 pm

GARTHWILSON View the latest post

No unread posts teletext experiment board

BigEd

0

2150

Fri May 01, 2020 9:22 pm

BigEd View the latest post

No unread posts PCB routing and voltages

jds

2

1176

Mon Apr 27, 2020 4:59 pm

tingo View the latest post

No unread posts Attachment(s) Managing the 65816 multiplexed bus

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

Dr Jefyll

90

35157

Sat Apr 25, 2020 5:30 am

Dr Jefyll View the latest post

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