6502 assembly coding

New Topic

69 topics

Topics

Replies

Views

Last post

ROM 1.0 / 1.1 compatible programming trick?

Last post by Symoon « Fri Nov 09, 2018 7:39 am
Replies: 5
by Symoon » Tue Nov 06, 2018 10:53 pm

5 Replies

406 Views

Last post by Symoon
Fri Nov 09, 2018 7:39 am
My first ASM and it doesnt do what I expect

Last post by Chema « Thu Nov 01, 2018 9:10 pm
Replies: 5
by Badger » Wed Oct 31, 2018 11:02 pm

5 Replies

250 Views

Last post by Chema
Thu Nov 01, 2018 9:10 pm
Horizontal HIRES and Text scrolling code needed.

Last post by Dbug « Wed May 23, 2018 8:22 pm
Replies: 33
by peacer » Mon Jun 24, 2013 9:05 am
1

2

3
33 Replies

20871 Views

Last post by Dbug
Wed May 23, 2018 8:22 pm
6502 flags C, N, Z, V and tests

Last post by ThomH « Tue May 22, 2018 3:10 pm
Replies: 7
by Symoon » Sat May 19, 2018 10:06 am

7 Replies

870 Views

Last post by ThomH
Tue May 22, 2018 3:10 pm
Pseudo 3D Starfield

Last post by Chema « Mon May 21, 2018 5:52 pm
Replies: 3
by Twilighte » Tue Mar 11, 2008 5:36 pm

3 Replies

6006 Views

Last post by Chema
Mon May 21, 2018 5:52 pm
Identifying Oric-1

Last post by Godzil « Sun Feb 25, 2018 5:59 pm
Replies: 4
by polluks » Fri Dec 15, 2017 3:25 pm

4 Replies

3203 Views

Last post by Godzil
Sun Feb 25, 2018 5:59 pm
Help: loop this?

Last post by Symoon « Tue Aug 29, 2017 9:38 pm
Replies: 6
by Symoon » Sat Aug 26, 2017 7:45 am

6 Replies

4994 Views

Last post by Symoon
Tue Aug 29, 2017 9:38 pm
Assembler / disassembler

Last post by Symoon « Sun Aug 20, 2017 9:18 pm
Replies: 6
by Symoon » Sun Aug 20, 2017 11:00 am

6 Replies

4580 Views

Last post by Symoon
Sun Aug 20, 2017 9:18 pm
Convert a byte as hex string (to display on screen)

Last post by Dbug « Mon Aug 07, 2017 4:50 pm
Replies: 9
by Symoon » Fri Aug 04, 2017 7:41 pm

9 Replies

8334 Views

Last post by Dbug
Mon Aug 07, 2017 4:50 pm
Mysterious program

Last post by Symoon « Mon Jun 26, 2017 5:35 am
Replies: 14
by Symoon » Sat Feb 25, 2012 7:26 pm

14 Replies

12038 Views

Last post by Symoon
Mon Jun 26, 2017 5:35 am
Invert Carry

Last post by Symoon « Tue Aug 02, 2016 7:33 pm
Replies: 14
by Symoon » Fri Jul 29, 2016 7:29 pm

14 Replies

10743 Views

Last post by Symoon
Tue Aug 02, 2016 7:33 pm
List of 1.0 and 1.1 ROM routines ?

Last post by waskol « Mon Mar 28, 2016 4:33 am
Replies: 23
by Symoon » Mon Apr 06, 2015 11:52 am
1

2
23 Replies

29837 Views

Last post by waskol
Mon Mar 28, 2016 4:33 am
Brainf*ck for Oric

Last post by coco.oric « Sun Dec 27, 2015 3:28 am
Replies: 2
by iss » Sat Dec 26, 2015 2:01 pm

2 Replies

9767 Views

Last post by coco.oric
Sun Dec 27, 2015 3:28 am
BigMac(Merlin) and Monitor - Sedoric version

Last post by ibisum « Sun Jun 28, 2015 7:54 pm
Replies: 1
by iss » Sun Jun 28, 2015 1:55 pm

1 Replies

13347 Views

Last post by ibisum
Sun Jun 28, 2015 7:54 pm
Clearing the screen

Last post by Dbug « Sun Jun 28, 2015 12:16 pm
Replies: 6
by ChrisfromUSA » Sat Jun 27, 2015 10:02 pm

6 Replies

15421 Views

Last post by Dbug
Sun Jun 28, 2015 12:16 pm
colors

Last post by coco.oric « Sun Jun 28, 2015 6:50 am
Replies: 1
by ChrisfromUSA » Sun Jun 28, 2015 1:48 am

1 Replies

11605 Views

Last post by coco.oric
Sun Jun 28, 2015 6:50 am
Time-Measurement

Last post by Chema « Mon May 11, 2015 11:17 am
Replies: 12
by Nox » Sat Feb 27, 2010 4:05 pm

12 Replies

20663 Views

Last post by Chema
Mon May 11, 2015 11:17 am
symbolique assembler/editor - know how to use it?

Last post by ibisum « Mon May 11, 2015 9:51 am
Replies: 8
by ibisum » Sat May 09, 2015 2:52 pm

8 Replies

14168 Views

Last post by ibisum
Mon May 11, 2015 9:51 am
SWEET16 : Nice VM from Woz ..

Last post by ibisum « Mon Mar 02, 2015 5:34 pm
Replies: 2
by ibisum » Mon Mar 02, 2015 3:00 pm

2 Replies

7109 Views

Last post by ibisum
Mon Mar 02, 2015 5:34 pm
Re Oric Atmos Editor Assembler Disassembler

Last post by ibisum « Sat Feb 28, 2015 12:03 pm
Replies: 1
by jdavis6809 » Sat Feb 28, 2015 11:27 am

1 Replies

3942 Views

Last post by ibisum
Sat Feb 28, 2015 12:03 pm
Which assembler is this from ?

Last post by ibisum « Thu Feb 05, 2015 8:23 pm
Replies: 10
by Symoon » Sun Jul 06, 2014 4:33 pm

10 Replies

8185 Views

Last post by ibisum
Thu Feb 05, 2015 8:23 pm
Setbit and Testbit

Last post by Hialmar « Sat Jan 24, 2015 5:55 pm
Replies: 10
by Hialmar » Sun Jan 04, 2015 1:43 pm

10 Replies

9134 Views

Last post by Hialmar
Sat Jan 24, 2015 5:55 pm
How to calculate memory location of a coordinate?

Last post by Hialmar « Tue Aug 19, 2014 5:48 pm
Replies: 11
by peacer » Sat Aug 16, 2014 1:28 pm

11 Replies

10451 Views

Last post by Hialmar
Tue Aug 19, 2014 5:48 pm
How to "rotate" a character..

Last post by peacer « Sun Mar 30, 2014 11:24 am
Replies: 8
by peacer » Sat Mar 29, 2014 6:56 pm

8 Replies

8554 Views

Last post by peacer
Sun Mar 30, 2014 11:24 am
rom

Last post by Godzil « Fri Feb 07, 2014 1:36 pm
Replies: 4
by D3v4st31i0n » Fri Jan 31, 2014 9:08 pm

4 Replies

5897 Views

Last post by Godzil
Fri Feb 07, 2014 1:36 pm
Line routine - Second attempt

Last post by JamesD « Sat Jan 25, 2014 12:53 am
Replies: 66
by Dbug » Tue Mar 18, 2008 10:01 pm
1

2

3

4

5
66 Replies

52911 Views

Last post by JamesD
Sat Jan 25, 2014 12:53 am
Sprites

Last post by Algarbi « Wed Dec 11, 2013 10:22 am
Replies: 23
by Algarbi » Mon Apr 09, 2012 4:01 pm
1

2
23 Replies

19756 Views

Last post by Algarbi
Wed Dec 11, 2013 10:22 am
Cycles and video timing II

Last post by Algarbi « Wed Sep 25, 2013 8:18 pm
Replies: 19
by Symoon » Sun Jun 09, 2013 5:05 pm
1

2
19 Replies

15828 Views

Last post by Algarbi
Wed Sep 25, 2013 8:18 pm
A little help for a simple machine code program.

Last post by peacer « Mon Jul 29, 2013 10:48 pm
Replies: 5
by peacer » Mon Jul 29, 2013 6:16 pm

5 Replies

6364 Views

Last post by peacer
Mon Jul 29, 2013 10:48 pm
Copying Chars from b400 to hires screen

Last post by barnsey123 « Tue Jun 11, 2013 8:51 pm
Replies: 6
by barnsey123 » Sun Jun 09, 2013 6:15 pm

6 Replies

7674 Views

Last post by barnsey123
Tue Jun 11, 2013 8:51 pm
Video about 6502

Last post by barnsey123 « Mon Jun 10, 2013 2:44 pm

by barnsey123 » Mon Jun 10, 2013 2:44 pm

0 Replies

10383 Views

Last post by barnsey123
Mon Jun 10, 2013 2:44 pm
Post the fun code you found!

Last post by Godzil « Sun Jan 27, 2013 12:46 am
Replies: 4
by Godzil » Tue Jan 22, 2013 2:21 am

4 Replies

6562 Views

Last post by Godzil
Sun Jan 27, 2013 12:46 am
Simple multiplication

Last post by Pengwin « Mon Jan 21, 2013 9:06 pm
Replies: 4
by Pengwin » Sun Jan 20, 2013 7:22 pm

4 Replies

6056 Views

Last post by Pengwin
Mon Jan 21, 2013 9:06 pm
Easy 6502

Last post by highwayman « Wed Aug 01, 2012 10:13 pm
Replies: 4
by kamelito » Mon Jul 09, 2012 8:56 pm

4 Replies

7537 Views

Last post by highwayman
Wed Aug 01, 2012 10:13 pm
Switching to and from HIRES mode in assembly?

Last post by Algarbi « Fri Jun 15, 2012 9:17 am
Replies: 5
by Antiriad2097 » Wed Jun 06, 2012 8:46 pm

5 Replies

7005 Views

Last post by Algarbi
Fri Jun 15, 2012 9:17 am
ROM disassembly

Last post by Yicker « Thu Jul 22, 2010 12:39 pm
Replies: 11
by Xeron » Sat Mar 07, 2009 5:22 pm

11 Replies

17671 Views

Last post by Yicker
Thu Jul 22, 2010 12:39 pm
XA question

Last post by JamesD « Fri Mar 26, 2010 11:09 pm
Replies: 4
by JamesD » Thu Mar 25, 2010 12:04 am

4 Replies

7446 Views

Last post by JamesD
Fri Mar 26, 2010 11:09 pm
Oric Speech Engine

Last post by Twilighte « Tue Feb 23, 2010 11:21 am
Replies: 2
by Twilighte » Sun Sep 27, 2009 1:56 pm

2 Replies

6628 Views

Last post by Twilighte
Tue Feb 23, 2010 11:21 am
Structure changes on the SVN server

Last post by Dbug « Tue Feb 02, 2010 9:47 pm

by Dbug » Tue Feb 02, 2010 9:47 pm

0 Replies

5991 Views

Last post by Dbug
Tue Feb 02, 2010 9:47 pm
Register-less Interruptus

Last post by Twilighte « Thu Oct 01, 2009 9:53 am

by Twilighte » Thu Oct 01, 2009 9:53 am

0 Replies

5326 Views

Last post by Twilighte
Thu Oct 01, 2009 9:53 am
XA formatted Zero Page Routine

Last post by Dbug « Mon Sep 14, 2009 6:14 pm
Replies: 1
by Twilighte » Mon Sep 14, 2009 4:46 pm

1 Replies

5388 Views

Last post by Dbug
Mon Sep 14, 2009 6:14 pm
IRQ interupt

Last post by JamesD « Sun May 24, 2009 8:18 pm
Replies: 23
by 6502man » Sun Jan 22, 2006 11:50 pm
1

2
23 Replies

27566 Views

Last post by JamesD
Sun May 24, 2009 8:18 pm
Cycle and video timings

Last post by JamesD « Sun May 24, 2009 5:48 pm
Replies: 6
by Xeron » Sun Mar 08, 2009 11:12 pm

6 Replies

8933 Views

Last post by JamesD
Sun May 24, 2009 5:48 pm
Loading and Saving to Sedoric Disc

Last post by Twilighte « Fri Nov 14, 2008 12:15 am
Replies: 7
by Twilighte » Tue Jan 16, 2007 8:42 pm

7 Replies

12295 Views

Last post by Twilighte
Fri Nov 14, 2008 12:15 am
Clipped line routine

Last post by Dbug « Thu Nov 06, 2008 7:09 pm
Replies: 20
by Dbug » Mon Sep 15, 2008 9:12 pm
1

2
20 Replies

20303 Views

Last post by Dbug
Thu Nov 06, 2008 7:09 pm
BCD division by 2

Last post by Dbug « Wed Oct 15, 2008 9:36 am
Replies: 3
by Twilighte » Tue Oct 14, 2008 5:06 pm

3 Replies

7784 Views

Last post by Dbug
Wed Oct 15, 2008 9:36 am
Improving the polygon routine...

Last post by Chema « Tue Sep 23, 2008 8:57 am
Replies: 1
by Dbug » Sun Sep 21, 2008 11:55 am

1 Replies

6138 Views

Last post by Chema
Tue Sep 23, 2008 8:57 am
16 bits linear interpolation, anyone ?

Last post by Chema « Mon Sep 15, 2008 9:21 am
Replies: 17
by Dbug » Wed Sep 10, 2008 8:55 pm
1

2
17 Replies

19568 Views

Last post by Chema
Mon Sep 15, 2008 9:21 am
[newbie] A<-A+X operation, how to

Last post by waskol « Fri Sep 12, 2008 7:34 am
Replies: 2
by waskol » Thu Aug 21, 2008 3:13 am

2 Replies

6752 Views

Last post by waskol
Fri Sep 12, 2008 7:34 am
Disassembling Oric Programs to XA Source code

Last post by mmu_man « Wed Jun 18, 2008 12:47 am
Replies: 1
by Twilighte » Sun Jun 15, 2008 1:00 am

1 Replies

5925 Views

Last post by mmu_man
Wed Jun 18, 2008 12:47 am

New Topic

69 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum