Video Display Processor

Moderators: BigEvilCorporation, Mask of Destiny

New Topic

141 topics

Topics

Replies

Views

Last post

Capabilities of various VDPs at parallax effects

Last post by iNCEPTIONAL « Sun Feb 23, 2025 6:55 pm
Replies: 35
by iNCEPTIONAL » Mon Dec 05, 2022 8:52 pm
1

2

3
35 Replies

246111 Views

Last post by iNCEPTIONAL
Sun Feb 23, 2025 6:55 pm
DMA fills with auto-increment result in stray byte at the start

Last post by Mask of Destiny « Tue Jan 07, 2025 11:11 pm
Replies: 2
by Matt Grum » Thu Jan 02, 2025 1:44 pm

2 Replies

15919 Views

Last post by Mask of Destiny
Tue Jan 07, 2025 11:11 pm
Man, Blast Processing is not what I thought it was. . . .

Last post by iNCEPTIONAL « Sat Sep 16, 2023 8:50 am
Replies: 5
by iNCEPTIONAL » Mon Dec 12, 2022 6:35 pm

5 Replies

43109 Views

Last post by iNCEPTIONAL
Sat Sep 16, 2023 8:50 am
DMA during HBlank ...

Last post by iNCEPTIONAL « Sat Jul 01, 2023 12:26 pm
Replies: 2
by iNCEPTIONAL » Sat Jul 01, 2023 5:45 am

2 Replies

36919 Views

Last post by iNCEPTIONAL
Sat Jul 01, 2023 12:26 pm
Swapping in/out background/sprite tiles

Last post by iNCEPTIONAL « Sat Jul 01, 2023 9:45 am
Replies: 9
by iNCEPTIONAL » Fri Jun 23, 2023 9:13 am

9 Replies

88514 Views

Last post by iNCEPTIONAL
Sat Jul 01, 2023 9:45 am
Regarding Street Fighter II: Special Champion Edition . . .

Last post by iNCEPTIONAL « Tue Jun 20, 2023 4:59 pm
Replies: 4
by iNCEPTIONAL » Mon Jun 05, 2023 10:14 am

4 Replies

18425 Views

Last post by iNCEPTIONAL
Tue Jun 20, 2023 4:59 pm
Some DMA questions, Exodus emulator hangs

Last post by Sjoerd « Tue Feb 21, 2023 10:19 am
Replies: 2
by Sjoerd » Fri Feb 17, 2023 12:53 pm

2 Replies

19872 Views

Last post by Sjoerd
Tue Feb 21, 2023 10:19 am
Understanding the VDP's scrolling capabilities.

Last post by Chilly Willy « Sun Dec 11, 2022 3:29 pm
Replies: 67
by sheath » Wed Mar 31, 2010 6:19 pm
1

2

3

4

5
67 Replies

165602 Views

Last post by Chilly Willy
Sun Dec 11, 2022 3:29 pm
SMS and SMS mode output levels

Last post by Eke « Thu Jun 02, 2022 8:28 pm
Replies: 4
by TmEE co.(TM) » Thu Oct 22, 2015 11:55 am

4 Replies

97703 Views

Last post by Eke
Thu Jun 02, 2022 8:28 pm
Palette color switching in HBlank

Last post by Stef « Tue Nov 02, 2021 2:23 pm
Replies: 14
by mitchConnor » Tue Jul 16, 2013 9:46 pm

14 Replies

46124 Views

Last post by Stef
Tue Nov 02, 2021 2:23 pm
CRAM question

Last post by TmEE co.(TM) « Sun Sep 12, 2021 1:49 am
Replies: 1
by Okie » Sat Sep 11, 2021 5:58 pm

1 Replies

19433 Views

Last post by TmEE co.(TM)
Sun Sep 12, 2021 1:49 am
VDP Resolution

Last post by TmEE co.(TM) « Wed Aug 11, 2021 10:26 pm
Replies: 3
by Okie » Mon Aug 02, 2021 2:20 am

3 Replies

20763 Views

Last post by TmEE co.(TM)
Wed Aug 11, 2021 10:26 pm
Register 2 VRAM Location Question

Last post by Okie « Sun Jul 11, 2021 1:01 am
Replies: 2
by Okie » Sun Jul 04, 2021 11:13 pm

2 Replies

17790 Views

Last post by Okie
Sun Jul 11, 2021 1:01 am
VDP Status Register

Last post by cero « Sat May 15, 2021 5:29 pm
Replies: 28
by Nemesis » Thu Jun 03, 2010 10:54 pm
1

2
28 Replies

230370 Views

Last post by cero
Sat May 15, 2021 5:29 pm
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

138711 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

174013 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

334868 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

32573 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

22284 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

41212 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

22840 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

22727 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

62338 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

93978 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

19048 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

23574 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

24986 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

31199 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

31506 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

83532 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

23009 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

29662 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

31011 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

25338 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

37092 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

28228 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

111199 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

29053 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

26735 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

44208 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

24363 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

34290 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

47673 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

37226 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

31125 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

33073 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

92505 Views

Last post by greatkreator
Sat Nov 28, 2015 4:43 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

55909 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

22929 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

25150 Views

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

New Topic

141 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