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No unread posts ca65 range error when calculating address

reesey-spoon

6

765

Sun Sep 26, 2021 11:01 pm

reesey-spoon View the latest post

No unread posts Attachment(s) W65C816 basic circuit layout

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J64C

17

1596

Sat Sep 25, 2021 3:02 pm

Dr Jefyll View the latest post

No unread posts Using ACME, how do I work with code in multiple files?

geon

5

947

Fri Sep 24, 2021 6:12 am

cjs View the latest post

No unread posts scopes, modules, and symbols in ca65

reesey-spoon

3

723

Sun Sep 19, 2021 7:22 am

unclouded View the latest post

No unread posts Attachment(s) Help with MacBook-->ACIA via FT232R

schlachet

10

1032

Sun Sep 19, 2021 5:59 am

BigEd View the latest post

No unread posts Following Ben Eater 6502 and have ROM addressing question

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KC2NIK

32

3449

Sat Aug 28, 2021 9:40 pm

GARTHWILSON View the latest post

No unread posts Attachment(s) The F-1 (aka "I Was Too Excited to Draft the UART Circuit")

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Individual_Solid

63

5266

Fri Aug 13, 2021 4:08 am

Individual_Solid View the latest post

No unread posts Attachment(s) Random IC in my bin

ThisWayUp

8

870

Mon Jul 26, 2021 4:01 pm

BigDumbDinosaur View the latest post

No unread posts How do you know you made static damage?

Doko

11

1262

Mon Jul 19, 2021 9:51 pm

ThisWayUp View the latest post

No unread posts Attachment(s) PS/2 keyboard logic issue

ThisWayUp

9

1802

Thu Jul 15, 2021 10:29 pm

ThisWayUp View the latest post

No unread posts [WDC65C02] STA writing when it feels like it?

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Doko

21

3051

Fri Jul 09, 2021 10:26 am

fredericsegard View the latest post

No unread posts Help with WLA DX for 65C816

iamgrazzi

3

647

Thu Jul 08, 2021 2:01 pm

BigEd View the latest post

No unread posts Attachment(s) Saying Hi/ My build

[ Go to pageGo to page: 1, 2 ]

ThisWayUp

25

1533

Thu Jul 08, 2021 11:00 am

BigEd View the latest post

No unread posts Attachment(s) 6502 PCB Power On Issues

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

djh82uk

58

3157

Mon Jul 05, 2021 8:56 am

djh82uk View the latest post

No unread posts Attachment(s) Using a 74273 as output register

bartfriederichs

3

510

Sun Jul 04, 2021 7:18 pm

Dr Jefyll View the latest post

No unread posts Attachment(s) What are addressing modes?

Radiant

8

880

Wed Jun 30, 2021 3:42 am

ThePhysicist View the latest post

No unread posts Attachment(s) Building the C02 Pocket PCB

[ Go to pageGo to page: 1, 2 ]

Edzard

29

2177

Tue Jun 29, 2021 8:08 am

floobydust View the latest post

Moved topic Moved: VHDL 6551 ACIA? Seen it?

Jmstein7

14

1882

Sun Jun 13, 2021 1:34 pm

Jmstein7 View the latest post

Moved topic Moved: Newbie Member, Newbie Project - help!

Jmstein7

12

1489

Mon May 31, 2021 10:34 pm

Jmstein7 View the latest post

No unread posts Attachment(s) Got two 65816 instead of 6502 by mistake: advice needed.

tokafondo

7

950

Sat May 29, 2021 4:33 pm

BigDumbDinosaur View the latest post

No unread posts A multiprocessor system with mainly just the 6502 (?)

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

Aloha6502

64

4342

Sat May 29, 2021 9:10 am

Aloha6502 View the latest post

No unread posts Attachment(s) W65C265S-Based Computer

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

railsrust

57

7054

Sat May 22, 2021 5:58 am

railsrust View the latest post

No unread posts Attachment(s) Issues with access ROM when using GAL

Gurft

5

832

Sun May 16, 2021 6:45 pm

enso View the latest post

No unread posts Attachment(s) Nes 6 kb rom program address ?

[ Go to pageGo to page: 1, 2 ]

Santa-Fe

29

2738

Wed May 12, 2021 2:50 pm

Santa-Fe View the latest post

No unread posts Character LCD initialization frustration

Gurft

4

702

Sun May 09, 2021 4:14 pm

GARTHWILSON View the latest post

No unread posts Trying to understand why disassembler output seems incorrect

gwpt

5

594

Mon Apr 26, 2021 4:23 am

BillG View the latest post

No unread posts Attachment(s) ATF16V8C glue logic, please check

[ Go to pageGo to page: 1, 2 ]

Firefox6502

24

1689

Mon Apr 26, 2021 12:29 am

Firefox6502 View the latest post

No unread posts Attachment(s) How can I probe the 6502?

[ Go to pageGo to page: 1, 2 ]

sprx128

18

1360

Sun Apr 25, 2021 5:12 pm

Michael View the latest post

No unread posts Rockwell 6551 - Clock Questions

instantaphex

14

1180

Tue Mar 30, 2021 10:29 pm

GARTHWILSON View the latest post

No unread posts 6502 + at28c256 always reading wrong data

[ Go to pageGo to page: 1, 2 ]

flyguybravo

17

1436

Tue Mar 30, 2021 9:09 am

BigEd View the latest post

No unread posts Attachment(s) My new self-made 65C02 computer

Synthron

14

1558

Tue Mar 30, 2021 9:08 am

BigEd View the latest post

No unread posts Attachment(s) 65c816 address decoding help

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

Skylie33

85

5416

Thu Mar 25, 2021 5:48 pm

enso View the latest post

No unread posts Attachment(s) 6502 and 16550 UART Problem

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

maewn21

46

5210

Fri Mar 19, 2021 12:59 pm

1024MAK View the latest post

No unread posts Attachment(s) EWoz 1.0 cn update memory locations - can not execute from R

noneya

0

5754

Sun Mar 14, 2021 7:54 pm

noneya View the latest post

No unread posts Need help communicating with ST7920 LCD in SPI mode

instantaphex

8

1277

Thu Mar 11, 2021 9:18 am

John West View the latest post

No unread posts Attachment(s) Really strange 6502 computer problem

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

Krsultov

49

3309

Thu Mar 11, 2021 1:53 am

cjs View the latest post

No unread posts Mitsubishi MELPS 7700 Reverse Engineering

needinput

2

783

Tue Mar 09, 2021 9:37 am

BigEd View the latest post

No unread posts Attachment(s) Want to build a 65816 system

nbrok

4

586

Sat Mar 06, 2021 3:45 pm

drogon View the latest post

No unread posts Attachment(s) Communicating w65c51 with ft232rl usb

crepesmort

14

4860

Mon Mar 01, 2021 1:47 am

floobydust View the latest post

No unread posts Reverse Engineering Cartridge to Source, Need Feedback

[ Go to pageGo to page: 1, 2 ]

load81

16

2121

Thu Feb 25, 2021 1:25 am

JimBoyd View the latest post

No unread posts Hi, I'm Sean, and I plan to build a 65XX-based computer

Sean

14

1125

Wed Feb 17, 2021 12:48 am

BigDumbDinosaur View the latest post

No unread posts First Build and ATF22V10

[ Go to pageGo to page: 1, 2 ]

Firefox6502

29

2799

Wed Feb 10, 2021 4:03 am

ThePhysicist View the latest post

No unread posts Newbie 6502 breadoard computer advice

Jock

13

1020

Wed Feb 10, 2021 3:40 am

BigDumbDinosaur View the latest post

No unread posts Attachment(s) Help: Crystal Oscillator is not working.

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

ProfessorCagan

59

3259

Sun Jan 10, 2021 11:18 pm

cjs View the latest post

No unread posts Hello, and a plug

nollkolltroll

4

598

Sun Jan 10, 2021 7:42 am

nollkolltroll View the latest post

No unread posts 6502 computer power supply question

Krsultov

2

565

Sun Jan 03, 2021 8:31 pm

BigEd View the latest post

No unread posts Attachment(s) 6502 "Microcontroller" (First Project, No longer on hiatus)

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

MikeDev101

31

3580

Sun Dec 13, 2020 7:18 pm

MikeDev101 View the latest post

No unread posts Attachment(s) 65C816 board glue logic issues?

[ Go to pageGo to page: 1, 2 ]

HalfBurntToast

16

1440

Mon Dec 07, 2020 1:36 am

HalfBurntToast View the latest post

No unread posts SYM-1 Hex Display Question

mipspro

9

1283

Thu Dec 03, 2020 4:46 am

mipspro View the latest post

No unread posts Attachment(s) EMCO Compact 5 CNC Lathe equipped with 6502 NMOS

Dieter

10

1653

Mon Nov 30, 2020 4:12 pm

Dieter View the latest post

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