6502 assembly coding

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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

309 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

200 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
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3
33 Replies

20832 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

853 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

5997 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

3183 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

4972 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

4571 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

8318 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

12026 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

10725 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

29813 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

9758 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

13341 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

15413 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

11599 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

20652 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

14164 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

7102 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

3935 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

8177 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

9120 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

10443 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

8546 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

5888 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
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5
66 Replies

52858 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

19736 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

15814 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

6352 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

7664 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

10316 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

6556 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

6049 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

7529 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

6991 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

17657 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

7435 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

6620 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

5983 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

5319 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

5382 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

27549 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

8922 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

12282 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

20282 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

7775 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

6133 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

19552 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

6740 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

5919 Views

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

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