Video Display Processor

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VScroll

Last post by HCKTROX « Mon Sep 05, 2011 12:31 am
Replies: 2
by HCKTROX » Wed Aug 31, 2011 11:48 pm

2 Replies

4651 Views

Last post by HCKTROX
Mon Sep 05, 2011 12:31 am
Anyone know much about the MD VDP (Game Gear welcome too!)

Last post by WayneK « Thu Jul 07, 2011 1:34 pm
Replies: 4
by Aerosol » Fri Jun 24, 2011 3:39 pm

4 Replies

7265 Views

Last post by WayneK
Thu Jul 07, 2011 1:34 pm
Help Make Scrolling!!!

Last post by Mixail « Fri Mar 11, 2011 4:29 pm

by Mixail » Fri Mar 11, 2011 4:29 pm

0 Replies

10980 Views

Last post by Mixail
Fri Mar 11, 2011 4:29 pm
DMA Fill

Last post by Eke « Mon Feb 21, 2011 8:52 am
Replies: 7
by Graz » Fri Jun 19, 2009 11:07 pm

7 Replies

9481 Views

Last post by Eke
Mon Feb 21, 2011 8:52 am
Need Help for a 31 color image

Last post by bastien « Wed Dec 08, 2010 3:55 pm
Replies: 17
by bastien » Sun Dec 05, 2010 7:46 pm
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2
17 Replies

16991 Views

Last post by bastien
Wed Dec 08, 2010 3:55 pm
VDP registers timings

Last post by Jorge Nuno « Fri Nov 19, 2010 11:18 am
Replies: 34
by Eke » Tue Dec 04, 2007 10:35 am
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34 Replies

79095 Views

Last post by Jorge Nuno
Fri Nov 19, 2010 11:18 am
Going Bonkers (VRAM reads)

Last post by Eke « Mon Nov 08, 2010 3:54 pm
Replies: 19
by RetroRalph » Thu Aug 26, 2010 2:37 am
1

2
19 Replies

45550 Views

Last post by Eke
Mon Nov 08, 2010 3:54 pm
TV safe area

Last post by Stef « Fri Oct 22, 2010 8:39 am
Replies: 123
by Shiru » Sat Sep 08, 2007 6:59 am
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5

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8

9
123 Replies

153464 Views

Last post by Stef
Fri Oct 22, 2010 8:39 am
2-cell vertical scrolling + horizontal scrolling

Last post by Eke « Thu Aug 26, 2010 8:42 am
Replies: 36
by Eke » Sat May 15, 2010 11:19 pm
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2

3
36 Replies

81357 Views

Last post by Eke
Thu Aug 26, 2010 8:42 am
VDP Interrupts & HVC tests

Last post by Eke « Tue Aug 17, 2010 1:38 pm
Replies: 4
by Eke » Sun Aug 15, 2010 3:22 pm

4 Replies

7528 Views

Last post by Eke
Tue Aug 17, 2010 1:38 pm
My scrolling routine is bad

Last post by 8bitwizard « Thu Aug 05, 2010 1:30 pm
Replies: 5
by Jaklub » Tue Aug 03, 2010 7:40 pm

5 Replies

10121 Views

Last post by 8bitwizard
Thu Aug 05, 2010 1:30 pm
Charles Macdonald Window test

Last post by dr. apocalipsis « Tue Jul 27, 2010 10:39 pm
Replies: 2
by dr. apocalipsis » Mon Jul 26, 2010 8:36 pm

2 Replies

6302 Views

Last post by dr. apocalipsis
Tue Jul 27, 2010 10:39 pm
VDP HV counter/Status register progression and timings

Last post by Nemesis « Tue Jul 27, 2010 11:12 am
Replies: 5
by Nemesis » Mon Jul 26, 2010 5:19 am

5 Replies

14112 Views

Last post by Nemesis
Tue Jul 27, 2010 11:12 am
Color counts per screen

Last post by sheath « Fri Jun 18, 2010 3:17 pm
Replies: 137
by sheath » Sat Feb 07, 2009 4:12 pm
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6

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10
137 Replies

209614 Views

Last post by sheath
Fri Jun 18, 2010 3:17 pm
How does Sonic2 handle sprites for interlace mode?

Last post by Snake « Thu Apr 08, 2010 10:34 am
Replies: 7
by sbroumley » Wed Apr 07, 2010 4:38 am

7 Replies

19411 Views

Last post by Snake
Thu Apr 08, 2010 10:34 am
Undocumented VDP commands

Last post by Shiru « Sat Mar 27, 2010 9:18 am
Replies: 11
by Ketsuban » Sat Mar 20, 2010 7:51 pm

11 Replies

19782 Views

Last post by Shiru
Sat Mar 27, 2010 9:18 am
V & H interrupt problem

Last post by Alex Khan « Sat Mar 27, 2010 5:47 am
Replies: 8
by koilazka » Sat Mar 20, 2010 3:27 pm

8 Replies

10751 Views

Last post by Alex Khan
Sat Mar 27, 2010 5:47 am
Pattern Data Compression

Last post by koilazka « Mon Mar 22, 2010 10:16 am

by koilazka » Mon Mar 22, 2010 10:16 am

0 Replies

11471 Views

Last post by koilazka
Mon Mar 22, 2010 10:16 am
SMD TV Screen Resolutions !

Last post by Alex Khan « Tue Mar 02, 2010 5:27 pm
Replies: 6
by Alex Khan » Thu Feb 18, 2010 8:45 am

6 Replies

9790 Views

Last post by Alex Khan
Tue Mar 02, 2010 5:27 pm
Sprite Table Address Wierdness

Last post by Mask of Destiny « Fri Jan 22, 2010 4:31 pm
Replies: 16
by Graz » Fri Jan 01, 2010 7:54 pm
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2
16 Replies

30213 Views

Last post by Mask of Destiny
Fri Jan 22, 2010 4:31 pm
¿game that updates his VDP background graphics when scroll?

Last post by eteream « Thu Jan 07, 2010 4:20 pm

by eteream » Thu Jan 07, 2010 4:20 pm

0 Replies

11369 Views

Last post by eteream
Thu Jan 07, 2010 4:20 pm
Relationship between VDP and User/Kernel Mode?

Last post by eteream « Tue Jan 05, 2010 5:14 pm
Replies: 22
by eteream » Tue Dec 22, 2009 2:27 pm
1

2
22 Replies

35331 Views

Last post by eteream
Tue Jan 05, 2010 5:14 pm
That wavy effect

Last post by stalepie « Fri Oct 30, 2009 10:57 am
Replies: 10
by stalepie » Thu Oct 29, 2009 11:55 am

10 Replies

16048 Views

Last post by stalepie
Fri Oct 30, 2009 10:57 am
Some messing around with undocumented VDP register (C0001E)

Last post by TmEE co.(TM) « Wed May 06, 2009 2:56 pm
Replies: 2
by TmEE co.(TM) » Tue May 05, 2009 12:47 pm

2 Replies

5287 Views

Last post by TmEE co.(TM)
Wed May 06, 2009 2:56 pm
Konami-style "mirror" raster effect

Last post by Mask of Destiny « Wed May 06, 2009 5:53 am
Replies: 8
by powerofrecall » Mon May 04, 2009 4:36 pm

8 Replies

16113 Views

Last post by Mask of Destiny
Wed May 06, 2009 5:53 am
Megadrive Overscan/Native Resolutions?

Last post by xenepp « Wed Apr 22, 2009 4:53 pm

by xenepp » Wed Apr 22, 2009 4:53 pm

0 Replies

11734 Views

Last post by xenepp
Wed Apr 22, 2009 4:53 pm
HBlank Timings

Last post by mickagame « Tue Apr 07, 2009 2:47 pm
Replies: 163
by mickagame » Tue Jun 10, 2008 8:51 pm
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7

8

9

10

11
163 Replies

228530 Views

Last post by mickagame
Tue Apr 07, 2009 2:47 pm
Is DMA useful ?

Last post by ob1 « Wed Feb 04, 2009 10:30 am
Replies: 30
by ob1 » Wed Dec 06, 2006 9:58 am
1

2

3
30 Replies

64106 Views

Last post by ob1
Wed Feb 04, 2009 10:30 am
shadow/hilight test

Last post by notaz « Wed Sep 24, 2008 8:56 am
Replies: 6
by notaz » Tue Sep 23, 2008 3:59 pm

6 Replies

9990 Views

Last post by notaz
Wed Sep 24, 2008 8:56 am
1536 color test

Last post by Mask of Destiny « Mon Sep 22, 2008 3:36 am
Replies: 11
by dr. apocalipsis » Wed Sep 10, 2008 10:51 pm

11 Replies

21079 Views

Last post by Mask of Destiny
Mon Sep 22, 2008 3:36 am
extract genesis sprite maps?

Last post by TmEE co.(TM) « Sun Sep 07, 2008 1:42 pm
Replies: 2
by baroughter » Sun Sep 07, 2008 1:44 am

2 Replies

8541 Views

Last post by TmEE co.(TM)
Sun Sep 07, 2008 1:42 pm
Problem with tiles

Last post by M-374 LX « Wed Aug 20, 2008 4:17 pm
Replies: 6
by M-374 LX » Tue Aug 19, 2008 6:48 pm

6 Replies

12006 Views

Last post by M-374 LX
Wed Aug 20, 2008 4:17 pm
VDP zoned ?

Last post by TmEE co.(TM) « Wed Jul 16, 2008 8:33 pm
Replies: 2
by ElBarto » Wed Jul 16, 2008 11:56 am

2 Replies

5832 Views

Last post by TmEE co.(TM)
Wed Jul 16, 2008 8:33 pm
Sprite sorting?

Last post by Chilly Willy « Tue Jul 15, 2008 7:12 pm
Replies: 5
by cdoty » Mon Jul 14, 2008 4:34 am

5 Replies

10047 Views

Last post by Chilly Willy
Tue Jul 15, 2008 7:12 pm
VLBitmap2Scroll

Last post by TmEE co.(TM) « Tue Apr 22, 2008 5:29 pm
Replies: 30
by Sik » Fri Apr 18, 2008 2:51 am
1

2

3
30 Replies

38478 Views

Last post by TmEE co.(TM)
Tue Apr 22, 2008 5:29 pm
SMS mode on MD/Genesis

Last post by TmEE co.(TM) « Thu Jan 24, 2008 10:49 am
Replies: 15
by elan » Wed Sep 26, 2007 11:20 am
1

2
15 Replies

28566 Views

Last post by TmEE co.(TM)
Thu Jan 24, 2008 10:49 am
Mega Drive color encoding

Last post by TulioAdriano « Sat Oct 13, 2007 5:52 pm
Replies: 17
by TulioAdriano » Fri Oct 12, 2007 1:51 pm
1

2
17 Replies

35363 Views

Last post by TulioAdriano
Sat Oct 13, 2007 5:52 pm
bottom dots

Last post by evildragon « Sun May 20, 2007 6:45 pm
Replies: 5
by evildragon » Tue May 15, 2007 10:49 am

5 Replies

9846 Views

Last post by evildragon
Sun May 20, 2007 6:45 pm
About Genesis emulation timings

Last post by Stef « Thu Mar 01, 2007 10:56 am
Replies: 5
by Eke » Wed Feb 28, 2007 3:23 pm

5 Replies

13329 Views

Last post by Stef
Thu Mar 01, 2007 10:56 am
512 colors demo

Last post by ob1 « Wed Jan 03, 2007 4:28 pm
Replies: 21
by ob1 » Wed Dec 27, 2006 11:00 am
1

2
21 Replies

37632 Views

Last post by ob1
Wed Jan 03, 2007 4:28 pm
DMA copy to CRAM

Last post by Stef « Sat Dec 30, 2006 9:56 pm
Replies: 1
by ob1 » Sat Dec 30, 2006 8:59 pm

1 Replies

5083 Views

Last post by Stef
Sat Dec 30, 2006 9:56 pm

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