Video Display Processor

Moderators: BigEvilCorporation, Mask of Destiny

New Topic

141 topics

Topics

Replies

Views

Last post

Understanding VDP

Last post by mickagame « Tue May 26, 2015 7:51 pm
Replies: 10
by mickagame » Sun May 24, 2015 7:30 pm

10 Replies

26490 Views

Last post by mickagame
Tue May 26, 2015 7:51 pm
VRAM range

Last post by MintyTheCat « Sat Mar 21, 2015 10:24 pm
Replies: 1
by tryphon » Fri Mar 20, 2015 9:32 pm

1 Replies

8334 Views

Last post by MintyTheCat
Sat Mar 21, 2015 10:24 pm
Text, different color, one pal

Last post by KanedaFr « Wed Feb 25, 2015 9:11 pm
Replies: 2
by KanedaFr » Wed Feb 18, 2015 11:11 pm

2 Replies

9527 Views

Last post by KanedaFr
Wed Feb 25, 2015 9:11 pm
DMA memory to VRAM

Last post by Chilly Willy « Wed Jan 21, 2015 1:04 am
Replies: 18
by KanedaFr » Tue Jan 13, 2015 4:33 pm
1

2
18 Replies

45036 Views

Last post by Chilly Willy
Wed Jan 21, 2015 1:04 am
VDP Internals

Last post by Charles MacDonald « Sat Jan 03, 2015 10:29 pm
Replies: 56
by Mask of Destiny » Tue Nov 06, 2012 11:44 am
1

2

3

4
56 Replies

181476 Views

Last post by Charles MacDonald
Sat Jan 03, 2015 10:29 pm
Vdp Signal

Last post by tomaitheous « Fri Dec 19, 2014 5:58 pm
Replies: 4
by mickagame » Wed Oct 08, 2014 8:29 pm

4 Replies

15837 Views

Last post by tomaitheous
Fri Dec 19, 2014 5:58 pm
0xC000 VRAM stuff, and efficiency question.

Last post by Chilly Willy « Tue Sep 23, 2014 5:47 pm
Replies: 4
by Count SymphoniC » Mon Sep 22, 2014 11:40 pm

4 Replies

11597 Views

Last post by Chilly Willy
Tue Sep 23, 2014 5:47 pm
Hex values for VDP registers...

Last post by tryphon « Tue Sep 23, 2014 9:28 am
Replies: 5
by Count SymphoniC » Mon Sep 22, 2014 5:51 pm

5 Replies

13778 Views

Last post by tryphon
Tue Sep 23, 2014 9:28 am
VDP register questions regarding the Sonic 1 disassembly

Last post by MintyTheCat « Wed Sep 17, 2014 4:49 pm
Replies: 1
by BigEvilCorporation » Wed Sep 17, 2014 12:11 pm

1 Replies

7948 Views

Last post by MintyTheCat
Wed Sep 17, 2014 4:49 pm
sprite attribute table

Last post by Eke « Thu Jul 03, 2014 10:57 am
Replies: 13
by powerofrecall » Tue Jul 01, 2014 1:32 am

13 Replies

26660 Views

Last post by Eke
Thu Jul 03, 2014 10:57 am
Confused about VRAM nametables (tiletables) sizes

Last post by Stef « Sun May 04, 2014 9:19 am
Replies: 6
by realbrucest » Wed Apr 30, 2014 11:15 pm

6 Replies

17545 Views

Last post by Stef
Sun May 04, 2014 9:19 am
Every 8 lines scrolled horizontally

Last post by Charles MacDonald « Mon Mar 24, 2014 8:25 pm
Replies: 3
by M-374 LX » Mon Mar 24, 2014 1:50 pm

3 Replies

10333 Views

Last post by Charles MacDonald
Mon Mar 24, 2014 8:25 pm
Palette changing only every two lines

Last post by Chilly Willy « Sun Mar 23, 2014 6:37 pm
Replies: 3
by M-374 LX » Sun Mar 23, 2014 2:12 am

3 Replies

11781 Views

Last post by Chilly Willy
Sun Mar 23, 2014 6:37 pm
Best looking palette fade - what's your opinion?

Last post by powerofrecall « Sat Jan 11, 2014 6:25 pm
Replies: 6
by powerofrecall » Thu Jan 09, 2014 1:37 am

6 Replies

18727 Views

Last post by powerofrecall
Sat Jan 11, 2014 6:25 pm
DMA setup performance penalty?

Last post by djcouchycouch « Mon Jan 06, 2014 8:09 pm
Replies: 8
by djcouchycouch » Sat Jan 04, 2014 10:49 pm

8 Replies

14847 Views

Last post by djcouchycouch
Mon Jan 06, 2014 8:09 pm
VDP color $E

Last post by Charles MacDonald « Fri Oct 18, 2013 3:57 am
Replies: 3
by r57shell » Wed Oct 16, 2013 5:42 pm

3 Replies

8512 Views

Last post by Charles MacDonald
Fri Oct 18, 2013 3:57 am
VDP Question

Last post by TmEE co.(TM) « Sun Sep 29, 2013 8:43 am
Replies: 1
by walker7 » Sun Sep 29, 2013 8:29 am

1 Replies

5191 Views

Last post by TmEE co.(TM)
Sun Sep 29, 2013 8:43 am
Some noob question about VDP

Last post by tryphon « Fri Aug 23, 2013 8:37 pm
Replies: 4
by tryphon » Fri Aug 23, 2013 10:15 am

4 Replies

8277 Views

Last post by tryphon
Fri Aug 23, 2013 8:37 pm
HInt Counter timing

Last post by mitchConnor « Fri Jul 19, 2013 12:04 pm
Replies: 2
by mitchConnor » Fri Jul 19, 2013 11:32 am

2 Replies

7450 Views

Last post by mitchConnor
Fri Jul 19, 2013 12:04 pm
Questions related to the vpd

Last post by TmEE co.(TM) « Tue Jul 02, 2013 1:54 am
Replies: 7
by eteream » Thu Jun 27, 2013 6:35 pm

7 Replies

22298 Views

Last post by TmEE co.(TM)
Tue Jul 02, 2013 1:54 am
Accurate Mapping of MD 9-bit to 24-bit Colour-Codes

Last post by r57shell « Sun Jun 09, 2013 6:01 pm
Replies: 20
by MintyTheCat » Mon Mar 04, 2013 6:46 pm
1

2
20 Replies

39101 Views

Last post by r57shell
Sun Jun 09, 2013 6:01 pm
DMA to VRAM from RAM

Last post by r57shell « Wed Jun 05, 2013 1:12 am
Replies: 21
by r57shell » Tue Jun 04, 2013 12:45 am
1

2
21 Replies

30127 Views

Last post by r57shell
Wed Jun 05, 2013 1:12 am
Freeze the screen while updating the VRAM

Last post by Stef « Wed May 08, 2013 10:11 am
Replies: 8
by Bitybity » Fri Jan 25, 2013 1:01 am

8 Replies

14100 Views

Last post by Stef
Wed May 08, 2013 10:11 am
Masking (hidding) priority sprites, how?

Last post by Charles MacDonald « Thu May 02, 2013 7:33 pm
Replies: 6
by eteream » Wed May 01, 2013 11:21 pm

6 Replies

9202 Views

Last post by Charles MacDonald
Thu May 02, 2013 7:33 pm
VDP odds and ends

Last post by Chilly Willy « Tue Mar 19, 2013 5:18 am
Replies: 19
by Charles MacDonald » Sat Mar 09, 2013 6:09 am
1

2
19 Replies

30292 Views

Last post by Chilly Willy
Tue Mar 19, 2013 5:18 am
question about color and HBlankInt

Last post by greatkreator « Fri Mar 01, 2013 2:33 am
Replies: 37
by zhengyaxin_8bit » Fri Feb 15, 2013 11:48 am
1

2

3
37 Replies

46157 Views

Last post by greatkreator
Fri Mar 01, 2013 2:33 am
How to propertly scroll wide image?

Last post by Gigasoft « Sun Feb 03, 2013 7:54 pm
Replies: 11
by peekpoke » Fri Feb 01, 2013 2:32 am

11 Replies

12349 Views

Last post by Gigasoft
Sun Feb 03, 2013 7:54 pm
are the horizontal and vertical scrolls strange only to me?

Last post by TmEE co.(TM) « Fri Feb 01, 2013 7:30 am
Replies: 8
by greatkreator » Thu Jan 31, 2013 1:52 am

8 Replies

9304 Views

Last post by TmEE co.(TM)
Fri Feb 01, 2013 7:30 am
Vertical Scroll VDP bug in Dgen, any ideas?

Last post by Charles MacDonald « Fri Dec 28, 2012 10:59 pm
Replies: 8
by vext01 » Fri Dec 21, 2012 8:21 pm

8 Replies

12360 Views

Last post by Charles MacDonald
Fri Dec 28, 2012 10:59 pm
Possible to change Palette Number on Tiles/Sprites ??

Last post by Stef « Fri Nov 09, 2012 6:13 pm
Replies: 8
by NightShadow » Thu Oct 18, 2012 5:19 pm

8 Replies

13118 Views

Last post by Stef
Fri Nov 09, 2012 6:13 pm
Can the tile buffer be clipped at 63x63 tiles?

Last post by slobu « Wed Nov 07, 2012 7:54 am
Replies: 3
by slobu » Tue Nov 06, 2012 11:07 pm

3 Replies

6659 Views

Last post by slobu
Wed Nov 07, 2012 7:54 am
"bad" colors on NTSC/PAL?

Last post by TmEE co.(TM) « Thu Oct 25, 2012 7:29 am
Replies: 1
by djcouchycouch » Thu Oct 25, 2012 1:21 am

1 Replies

4264 Views

Last post by TmEE co.(TM)
Thu Oct 25, 2012 7:29 am
EA logo VDP control port bug

Last post by vext01 « Wed Oct 24, 2012 11:03 pm
Replies: 9
by vext01 » Sun Oct 21, 2012 8:56 pm

9 Replies

13462 Views

Last post by vext01
Wed Oct 24, 2012 11:03 pm
Opacity

Last post by djcouchycouch « Thu Sep 27, 2012 3:09 pm
Replies: 15
by elusive » Sun Sep 23, 2012 5:37 pm
1

2
15 Replies

19044 Views

Last post by djcouchycouch
Thu Sep 27, 2012 3:09 pm
Plane remapping

Last post by notaz « Tue Sep 11, 2012 2:07 pm
Replies: 8
by Bitybity » Thu Sep 06, 2012 4:07 am

8 Replies

11286 Views

Last post by notaz
Tue Sep 11, 2012 2:07 pm
Using SGDK's VDP_setHorizontalScroll()

Last post by Stef « Mon Aug 13, 2012 8:28 pm
Replies: 4
by djcouchycouch » Sun Feb 19, 2012 2:59 pm

4 Replies

9037 Views

Last post by Stef
Mon Aug 13, 2012 8:28 pm
Getting the WINDOW plane to work?

Last post by letoulousain « Sun Jul 15, 2012 5:53 pm
Replies: 7
by djcouchycouch » Sat May 05, 2012 12:39 am

7 Replies

11211 Views

Last post by letoulousain
Sun Jul 15, 2012 5:53 pm
Is it impossible to put a sprite under plan A or plan B?

Last post by greatkreator « Sun Jul 15, 2012 3:37 pm
Replies: 5
by greatkreator » Sun Jul 15, 2012 10:47 am

5 Replies

7360 Views

Last post by greatkreator
Sun Jul 15, 2012 3:37 pm
How does the sprite limit "work"?

Last post by Stef « Sat Jul 14, 2012 8:35 pm
Replies: 9
by greatkreator » Fri Jul 13, 2012 1:15 pm

9 Replies

14695 Views

Last post by Stef
Sat Jul 14, 2012 8:35 pm
Scroll Map scaling

Last post by Chilly Willy « Sun Jun 17, 2012 2:06 am
Replies: 11
by Bitybity » Mon Jun 11, 2012 1:51 am

11 Replies

11747 Views

Last post by Chilly Willy
Sun Jun 17, 2012 2:06 am
Double-Screen?

Last post by Nemesis « Wed Jun 06, 2012 10:59 pm
Replies: 14
by Bitybity » Thu Jan 12, 2012 10:45 pm

14 Replies

30491 Views

Last post by Nemesis
Wed Jun 06, 2012 10:59 pm
Fastest way to fill the visible part of a background layer?

Last post by djcouchycouch « Tue May 08, 2012 12:39 pm
Replies: 11
by djcouchycouch » Thu May 03, 2012 2:48 am

11 Replies

12002 Views

Last post by djcouchycouch
Tue May 08, 2012 12:39 pm
Manipulating sprite overlap?

Last post by Stef « Mon Apr 23, 2012 7:38 pm
Replies: 2
by djcouchycouch » Mon Apr 23, 2012 4:42 pm

2 Replies

5072 Views

Last post by Stef
Mon Apr 23, 2012 7:38 pm
VDP special tricks around sprites

Last post by Fonzie « Mon Mar 26, 2012 7:32 am
Replies: 7
by Fonzie » Sat Dec 02, 2006 1:13 am

7 Replies

17532 Views

Last post by Fonzie
Mon Mar 26, 2012 7:32 am
n00b questions about the VDP

Last post by djcouchycouch « Sun Feb 19, 2012 2:43 pm
Replies: 2
by djcouchycouch » Sun Feb 19, 2012 12:41 am

2 Replies

4966 Views

Last post by djcouchycouch
Sun Feb 19, 2012 2:43 pm
Horizontal Interrupts & Rasters

Last post by elusive « Fri Jan 27, 2012 4:15 pm
Replies: 8
by elusive » Fri Jan 27, 2012 12:10 am

8 Replies

10636 Views

Last post by elusive
Fri Jan 27, 2012 4:15 pm
question about DMA

Last post by Stef « Wed Jan 11, 2012 9:12 am
Replies: 22
by zhengyaxin_8bit » Thu Jan 05, 2012 2:39 pm
1

2
22 Replies

22745 Views

Last post by Stef
Wed Jan 11, 2012 9:12 am
Screen blink

Last post by HCKTROX « Fri Sep 16, 2011 8:35 pm
Replies: 1
by HCKTROX » Mon Sep 05, 2011 12:49 am

1 Replies

4098 Views

Last post by HCKTROX
Fri Sep 16, 2011 8:35 pm
VDP Reg Calculator

Last post by TmEE co.(TM) « Sun Sep 11, 2011 11:24 am
Replies: 14
by ElBarto » Tue Jul 19, 2011 10:13 pm

14 Replies

28782 Views

Last post by TmEE co.(TM)
Sun Sep 11, 2011 11:24 am
Help with tiles (bit of a noob)

Last post by dosboss « Mon Sep 05, 2011 5:00 am
Replies: 4
by dosboss » Sun Sep 04, 2011 3:03 pm

4 Replies

7303 Views

Last post by dosboss
Mon Sep 05, 2011 5:00 am

New Topic

141 topics

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