Video Display Processor

Moderators: BigEvilCorporation, Mask of Destiny

New Topic

131 topics

Topics

Replies

Views

Last post

VDP Status Register

Last post by Stef « Mon Mar 22, 2021 11:33 am
Replies: 23
by Nemesis » Thu Jun 03, 2010 10:54 pm
1

2
23 Replies

9916 Views

Last post by Stef
Mon Mar 22, 2021 11:33 am
VDP 128Kb Extended VRAM mode

Last post by Mask of Destiny « Wed Mar 10, 2021 1:15 am
Replies: 44
by Nemesis » Sun Feb 03, 2013 11:00 am
1

2

3
44 Replies

40302 Views

Last post by Mask of Destiny
Wed Mar 10, 2021 1:15 am
VDP VRAM access timing

Last post by Eke « Sun Mar 07, 2021 6:10 pm
Replies: 40
by Nemesis » Thu Dec 30, 2010 8:41 am
1

2

3
40 Replies

32708 Views

Last post by Eke
Sun Mar 07, 2021 6:10 pm
Megadrive video timings

Last post by mickagame « Fri Mar 05, 2021 9:28 am
Replies: 123
by Jorge Nuno » Thu Feb 12, 2009 11:04 pm
1

…

5

6

7

8

9
123 Replies

72529 Views

Last post by mickagame
Fri Mar 05, 2021 9:28 am
Horizontal Cell Scroll + Vertical Plane Scroll

Last post by Manveru « Fri Dec 06, 2019 9:17 am
Replies: 4
by Manveru » Mon Dec 02, 2019 9:43 am

4 Replies

11331 Views

Last post by Manveru
Fri Dec 06, 2019 9:17 am
Upload speed on display time

Last post by Miquel « Sun Nov 17, 2019 7:23 am
Replies: 2
by Miquel » Wed Nov 13, 2019 1:16 am

2 Replies

3575 Views

Last post by Miquel
Sun Nov 17, 2019 7:23 am
Seamless dungeon crawler effect

Last post by Miquel « Mon Aug 12, 2019 4:37 pm
Replies: 11
by KanedaFr » Fri Aug 02, 2019 6:46 pm

11 Replies

8842 Views

Last post by Miquel
Mon Aug 12, 2019 4:37 pm
DMA Fill with autoinc 128

Last post by Miquel « Thu Jul 11, 2019 6:40 pm
Replies: 3
by Manveru » Thu Jul 11, 2019 1:43 pm

3 Replies

3697 Views

Last post by Miquel
Thu Jul 11, 2019 6:40 pm
hv counter details

Last post by Nemesis « Thu Jun 27, 2019 12:12 pm
Replies: 2
by fmahnke » Mon Jun 24, 2019 11:51 am

2 Replies

3452 Views

Last post by Nemesis
Thu Jun 27, 2019 12:12 pm
show a 256 colors picture in MD

Last post by Muzzy « Sun Apr 21, 2019 2:03 pm
Replies: 21
by zhengyaxin_8bit » Thu Jun 21, 2012 3:20 pm
1

2
21 Replies

18297 Views

Last post by Muzzy
Sun Apr 21, 2019 2:03 pm
Help scale and rotation sega genesis

Last post by TmEE co.(TM) « Sat Apr 20, 2019 1:53 pm
Replies: 33
by Cristiano Sword » Wed Jan 16, 2019 1:08 pm
1

2

3
33 Replies

16712 Views

Last post by TmEE co.(TM)
Sat Apr 20, 2019 1:53 pm
Is this just shadow effect?

Last post by TmEE co.(TM) « Sat Apr 13, 2019 9:01 pm
Replies: 1
by danibus » Sat Apr 13, 2019 8:04 pm

1 Replies

3178 Views

Last post by TmEE co.(TM)
Sat Apr 13, 2019 9:01 pm
Question about 512 colors in TITAN demo

Last post by Muzzy « Wed Feb 27, 2019 4:40 pm
Replies: 3
by Muzzy » Tue Feb 26, 2019 6:17 pm

3 Replies

4241 Views

Last post by Muzzy
Wed Feb 27, 2019 4:40 pm
vcounter corruption

Last post by Nemesis « Tue Aug 21, 2018 11:02 pm
Replies: 3
by notaz » Sun Oct 01, 2017 11:03 pm

3 Replies

6468 Views

Last post by Nemesis
Tue Aug 21, 2018 11:02 pm
How h interrupt register works?

Last post by pitcrawler « Tue Jun 26, 2018 10:07 pm
Replies: 7
by Miquel » Sat Jun 09, 2018 5:54 pm

7 Replies

6241 Views

Last post by pitcrawler
Tue Jun 26, 2018 10:07 pm
disable video on vblank, better?

Last post by Miquel « Sat Jun 16, 2018 12:20 pm
Replies: 7
by Miquel » Sun Jun 03, 2018 12:50 am

7 Replies

5838 Views

Last post by Miquel
Sat Jun 16, 2018 12:20 pm
Tectoy's weird VDP behavior

Last post by carpediem « Sat Mar 17, 2018 4:32 am
Replies: 24
by cero » Tue Oct 03, 2017 5:31 pm
1

2
24 Replies

13800 Views

Last post by carpediem
Sat Mar 17, 2018 4:32 am
Horizontal Scroll Mode question

Last post by Stef « Fri Dec 08, 2017 9:32 am
Replies: 3
by NightShadow » Thu Dec 07, 2017 7:06 pm

3 Replies

4185 Views

Last post by Stef
Fri Dec 08, 2017 9:32 am
16 colors 1 hscan

Last post by Miquel « Thu Nov 02, 2017 1:42 am
Replies: 8
by Jpg3D » Sun Oct 29, 2017 1:23 pm

8 Replies

5829 Views

Last post by Miquel
Thu Nov 02, 2017 1:42 am
'torch' effect ?

Last post by Miquel « Sun Oct 22, 2017 4:12 pm
Replies: 5
by KanedaFr » Sat Oct 21, 2017 11:17 pm

5 Replies

5228 Views

Last post by Miquel
Sun Oct 22, 2017 4:12 pm
International Superstar Soccer Deluxe palette issue?

Last post by Stef « Wed Aug 16, 2017 9:42 am
Replies: 4
by dink » Mon Aug 14, 2017 2:29 pm

4 Replies

5108 Views

Last post by Stef
Wed Aug 16, 2017 9:42 am
Is DMA Fill buggy?

Last post by Eke « Tue Jul 11, 2017 10:10 pm
Replies: 11
by Miquel » Tue Jul 11, 2017 11:08 am

11 Replies

6775 Views

Last post by Eke
Tue Jul 11, 2017 10:10 pm
Sprites emulation and how they work on Exodus

Last post by Sik « Wed May 31, 2017 3:03 am
Replies: 6
by DarkMoe » Tue May 30, 2017 12:35 pm

6 Replies

5162 Views

Last post by Sik
Wed May 31, 2017 3:03 am
Titan's Mega Drive tech docs including Debug Register

Last post by Mask of Destiny « Wed May 31, 2017 12:27 am
Replies: 36
by Kabuto » Wed Apr 19, 2017 6:20 pm
1

2

3
36 Replies

22225 Views

Last post by Mask of Destiny
Wed May 31, 2017 12:27 am
Sprite disappearing on certain conditions ???

Last post by TmEE co.(TM) « Mon Feb 20, 2017 12:11 pm
Replies: 7
by Orion_ » Wed Feb 15, 2017 12:42 pm

7 Replies

5676 Views

Last post by TmEE co.(TM)
Mon Feb 20, 2017 12:11 pm
Mode 4 VRAM Timing

Last post by TmEE co.(TM) « Sat Jan 28, 2017 4:01 pm
Replies: 4
by Mask of Destiny » Sun Jan 01, 2017 9:08 am

4 Replies

5411 Views

Last post by TmEE co.(TM)
Sat Jan 28, 2017 4:01 pm
MD VDP color levels

Last post by r57shell « Sun Dec 25, 2016 1:53 pm
Replies: 10
by TmEE co.(TM) » Tue Oct 20, 2015 5:45 am

10 Replies

11475 Views

Last post by r57shell
Sun Dec 25, 2016 1:53 pm
VDP Tools ? (calc)

Last post by Nainain « Sun Nov 13, 2016 3:19 pm
Replies: 4
by Nainain » Mon Oct 24, 2016 6:42 pm

4 Replies

4759 Views

Last post by Nainain
Sun Nov 13, 2016 3:19 pm
DMA failure on different consoles.

Last post by Jpg3D « Fri Nov 11, 2016 6:26 pm
Replies: 12
by Jpg3D » Mon Oct 31, 2016 8:12 pm

12 Replies

7095 Views

Last post by Jpg3D
Fri Nov 11, 2016 6:26 pm
VDP access from Z80 questions

Last post by Miquel « Fri Sep 02, 2016 8:27 pm
Replies: 16
by Miquel » Sun Aug 21, 2016 12:57 pm
1

2
16 Replies

10165 Views

Last post by Miquel
Fri Sep 02, 2016 8:27 pm
When is the collision bit cleared?

Last post by Sik « Sun May 15, 2016 3:15 am
Replies: 14
by cero » Wed May 11, 2016 9:58 am

14 Replies

7848 Views

Last post by Sik
Sun May 15, 2016 3:15 am
Questions on graphical capabilities

Last post by Trihook « Thu May 12, 2016 8:31 am
Replies: 6
by Trihook » Mon May 09, 2016 9:18 pm

6 Replies

8178 Views

Last post by Trihook
Thu May 12, 2016 8:31 am
Extra VDP Tiles ? more than 1310

Last post by Sik « Fri Mar 25, 2016 3:33 pm
Replies: 9
by NightShadow » Tue Mar 22, 2016 8:35 pm

9 Replies

6928 Views

Last post by Sik
Fri Mar 25, 2016 3:33 pm
Is the raster effect (quick palette switch) useless?

Last post by greatkreator « Sat Nov 28, 2015 4:43 pm
Replies: 39
by greatkreator » Mon Jul 30, 2012 2:33 pm
1

2

3
39 Replies

24530 Views

Last post by greatkreator
Sat Nov 28, 2015 4:43 pm
SMS and SMS mode output levels

Last post by Sik « Thu Oct 22, 2015 3:30 pm
Replies: 1
by TmEE co.(TM) » Thu Oct 22, 2015 11:55 am

1 Replies

4439 Views

Last post by Sik
Thu Oct 22, 2015 3:30 pm
VDP Debug Register - $C0001C

Last post by mikejmoffitt « Thu Oct 15, 2015 4:48 pm
Replies: 17
by tristanseifert » Fri Jul 27, 2012 7:06 am
1

2
17 Replies

15350 Views

Last post by mikejmoffitt
Thu Oct 15, 2015 4:48 pm
MEGADRIVE : questions about colors

Last post by mikejmoffitt « Wed Oct 07, 2015 4:00 pm
Replies: 3
by tama » Sun Aug 23, 2015 10:10 pm

3 Replies

5099 Views

Last post by mikejmoffitt
Wed Oct 07, 2015 4:00 pm
Impact of planes size

Last post by KanedaFr « Fri Jun 19, 2015 7:58 pm
Replies: 4
by KanedaFr » Wed Jun 17, 2015 8:39 pm

4 Replies

5915 Views

Last post by KanedaFr
Fri Jun 19, 2015 7:58 pm
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

6966 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

4269 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

4663 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

13696 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

41981 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

5924 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

5228 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

5571 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

4402 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

8843 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

6517 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

5067 Views

Last post by Charles MacDonald
Mon Mar 24, 2014 8:25 pm

New Topic

131 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