Megadrive/Genesis

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Super Magic Drive research thread

Last post by HardWareMan « Sun Jul 16, 2017 12:26 pm
Replies: 133
by LocalH » Fri Dec 18, 2009 6:53 am
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133 Replies

98548 Views

Last post by HardWareMan
Sun Jul 16, 2017 12:26 pm
List of every detectable difference in Mega Drive revisions?

Last post by Mask of Destiny « Wed Sep 02, 2020 2:30 am
Replies: 17
by Sik » Sat Aug 15, 2020 8:41 am
1

2
17 Replies

1477 Views

Last post by Mask of Destiny
Wed Sep 02, 2020 2:30 am
Weird timing issue?

Last post by Gideon Zhi « Wed Aug 19, 2020 2:14 pm
Replies: 2
by Gideon Zhi » Wed Aug 19, 2020 5:22 am

2 Replies

200 Views

Last post by Gideon Zhi
Wed Aug 19, 2020 2:14 pm
How prone is Sonic 2 to bugs?

Last post by MrD « Thu Jul 09, 2020 2:34 pm

by MrD » Thu Jul 09, 2020 2:34 pm

0 Replies

1195 Views

Last post by MrD
Thu Jul 09, 2020 2:34 pm
Most compatible way to jump to game image on hardware - making my own cart

Last post by MrD « Mon Jun 29, 2020 11:23 pm
Replies: 21
by MrD » Fri Jun 19, 2020 8:26 am
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2
21 Replies

2246 Views

Last post by MrD
Mon Jun 29, 2020 11:23 pm
Gunstar Heros disassembly?

Last post by ryanfaescotland « Sat Jun 20, 2020 1:27 am
Replies: 37
by OrangyTang » Tue Feb 23, 2016 4:51 pm
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37 Replies

10480 Views

Last post by ryanfaescotland
Sat Jun 20, 2020 1:27 am
68k edge case: btst dN,#immed

Last post by ryanfaescotland « Wed Jun 17, 2020 9:00 pm
Replies: 12
by flamewing » Fri Sep 21, 2018 5:20 pm

12 Replies

6583 Views

Last post by ryanfaescotland
Wed Jun 17, 2020 9:00 pm
Alternative to Vasm assembler?

Last post by MrD « Thu May 28, 2020 10:36 pm
Replies: 27
by MrD » Tue Apr 21, 2020 7:25 pm
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2
27 Replies

4285 Views

Last post by MrD
Thu May 28, 2020 10:36 pm
VDP 8x16 Interlace Mode

Last post by TmEE co.(TM) « Sun May 17, 2020 11:30 am
Replies: 7
by mickagame » Tue May 12, 2020 8:16 am

7 Replies

1511 Views

Last post by TmEE co.(TM)
Sun May 17, 2020 11:30 am
Is a space character required at $104?

Last post by Chilly Willy « Sat Feb 22, 2020 12:42 pm
Replies: 6
by MrD » Thu Feb 20, 2020 4:09 am

6 Replies

4896 Views

Last post by Chilly Willy
Sat Feb 22, 2020 12:42 pm
General Gunstar Heroes rambling

Last post by Miquel « Mon Jan 06, 2020 3:22 pm
Replies: 5
by OrangyTang » Tue Dec 31, 2019 9:42 pm

5 Replies

3614 Views

Last post by Miquel
Mon Jan 06, 2020 3:22 pm
68000 programming optimization tips? (for speed)

Last post by Miquel « Sat Jan 04, 2020 12:56 pm
Replies: 28
by Ralakimus » Sun Apr 16, 2017 2:29 pm
1

2
28 Replies

13935 Views

Last post by Miquel
Sat Jan 04, 2020 12:56 pm
Shinobi arcade port

Last post by danibus « Fri Jan 03, 2020 4:32 pm
Replies: 3
by tryphon » Wed Dec 25, 2019 10:01 am

3 Replies

2846 Views

Last post by danibus
Fri Jan 03, 2020 4:32 pm
M68K Bus Control and Vdp

Last post by Eke « Mon Dec 30, 2019 8:38 am
Replies: 25
by mickagame » Sun Dec 08, 2019 1:42 pm
1

2
25 Replies

7819 Views

Last post by Eke
Mon Dec 30, 2019 8:38 am
Tilemap Compression

Last post by Miquel « Sun Dec 22, 2019 2:20 am
Replies: 1
by themrcul » Sun Dec 22, 2019 1:02 am

1 Replies

2095 Views

Last post by Miquel
Sun Dec 22, 2019 2:20 am
Noob questions: DEFINITIVE info about Z80 BUSREQ, RESET?

Last post by mickagame « Tue Nov 19, 2019 8:14 pm
Replies: 28
by RetroGames » Mon Oct 26, 2015 4:57 pm
1

2
28 Replies

11933 Views

Last post by mickagame
Tue Nov 19, 2019 8:14 pm
DMA and FIFO

Last post by Miquel « Mon Nov 18, 2019 1:43 pm
Replies: 11
by mickagame » Fri May 06, 2016 3:50 pm

11 Replies

5671 Views

Last post by Miquel
Mon Nov 18, 2019 1:43 pm
Sega Tech Docs archive

Last post by AamirM « Fri Sep 13, 2019 7:37 pm
Replies: 26
by Nemesis » Tue Aug 27, 2019 12:53 pm
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26 Replies

16780 Views

Last post by AamirM
Fri Sep 13, 2019 7:37 pm
Megadrive was always the answer

Last post by danibus « Sun Sep 08, 2019 12:13 pm
Replies: 22
by danibus » Sat Aug 31, 2019 11:43 pm
1

2
22 Replies

8994 Views

Last post by danibus
Sun Sep 08, 2019 12:13 pm
Sega Virtua Processor Research

Last post by danibus « Tue Aug 13, 2019 6:37 pm
Replies: 5
by Ralakimus » Sat Feb 04, 2017 1:25 am

5 Replies

4882 Views

Last post by danibus
Tue Aug 13, 2019 6:37 pm
I'm officially building a microcode-level 68000 core

Last post by Huge « Sun Aug 11, 2019 7:50 am
Replies: 43
by Nemesis » Fri May 03, 2019 11:35 am
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3
43 Replies

20932 Views

Last post by Huge
Sun Aug 11, 2019 7:50 am
Cart Design Questions

Last post by themrcul « Tue Jul 09, 2019 3:55 am
Replies: 45
by themrcul » Tue Jul 17, 2018 2:45 am
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45 Replies

19961 Views

Last post by themrcul
Tue Jul 09, 2019 3:55 am
Designing a cooperative-threaded scheduler for an emulator

Last post by Nemesis « Wed Jul 03, 2019 3:07 am
Replies: 14
by byuu » Wed Jun 12, 2019 8:52 am

14 Replies

6282 Views

Last post by Nemesis
Wed Jul 03, 2019 3:07 am
Iridon Introduction

Last post by Miquel « Wed Jun 26, 2019 1:54 pm
Replies: 13
by Iridon » Sun Mar 18, 2018 7:29 pm

13 Replies

7255 Views

Last post by Miquel
Wed Jun 26, 2019 1:54 pm
Random emudev bugs list

Last post by Sik « Wed Jun 19, 2019 11:46 am
Replies: 1
by byuu » Tue Jun 18, 2019 3:54 pm

1 Replies

2891 Views

Last post by Sik
Wed Jun 19, 2019 11:46 am
DETECTING RedKid2500-based consoles

Last post by Sik « Sun Jun 16, 2019 3:11 am
Replies: 9
by FireRat » Wed Jun 12, 2019 7:49 pm

9 Replies

4795 Views

Last post by Sik
Sun Jun 16, 2019 3:11 am
68K cycle timing test ROM?

Last post by ijor « Mon Jun 10, 2019 2:59 am
Replies: 10
by byuu » Tue Jun 04, 2019 3:06 am

10 Replies

5272 Views

Last post by ijor
Mon Jun 10, 2019 2:59 am
Z80 bus + I/O mapping redux

Last post by Sik « Mon Apr 29, 2019 4:00 am
Replies: 7
by byuu » Fri Apr 26, 2019 1:42 pm

7 Replies

4653 Views

Last post by Sik
Mon Apr 29, 2019 4:00 am
8BitDo 2.4G controller

Last post by bioloid « Tue Apr 16, 2019 5:48 am
Replies: 3
by bioloid » Wed Apr 10, 2019 6:27 am

3 Replies

4007 Views

Last post by bioloid
Tue Apr 16, 2019 5:48 am
Compiling an emulator for enhanced Megadrive

Last post by hotrodx « Mon Apr 15, 2019 1:44 pm
Replies: 42
by tryphon » Sun Apr 07, 2019 10:00 pm
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3
42 Replies

14456 Views

Last post by hotrodx
Mon Apr 15, 2019 1:44 pm
SGDK - Moving your character like in Shining Force 2

Last post by LIZARDRIVE « Sat Apr 13, 2019 6:06 pm

by LIZARDRIVE » Sat Apr 13, 2019 6:06 pm

0 Replies

6549 Views

Last post by LIZARDRIVE
Sat Apr 13, 2019 6:06 pm
Enhanced Tectoy Megadrive ?

Last post by Sik « Mon Apr 08, 2019 12:18 am
Replies: 1
by tryphon » Sun Apr 07, 2019 8:56 pm

1 Replies

3120 Views

Last post by Sik
Mon Apr 08, 2019 12:18 am
Space Herrier II and The Sprite Scanline Limit

Last post by Sik « Wed Mar 27, 2019 4:47 pm
Replies: 11
by hotrodx » Sun Mar 24, 2019 5:23 am

11 Replies

5270 Views

Last post by Sik
Wed Mar 27, 2019 4:47 pm
Want to start making games, no luck at all

Last post by slobu « Fri Mar 22, 2019 5:09 pm
Replies: 6
by danibus » Thu Feb 07, 2019 2:00 pm

6 Replies

4876 Views

Last post by slobu
Fri Mar 22, 2019 5:09 pm
Bus Arbiter and IO Chip Access

Last post by ElBarto « Sat Feb 23, 2019 1:53 pm
Replies: 28
by Enforcer » Tue Oct 09, 2018 5:17 am
1

2
28 Replies

12780 Views

Last post by ElBarto
Sat Feb 23, 2019 1:53 pm
SGDK RESCOMP and the quest for two pallets on a single background layer

Last post by Stef « Sat Jan 19, 2019 10:24 pm
Replies: 3
by Okoboji » Sat Jan 19, 2019 8:32 pm

3 Replies

3766 Views

Last post by Stef
Sat Jan 19, 2019 10:24 pm
SGDK VDP_setTileMapXY / sample/sprite

Last post by Okoboji « Sat Jan 19, 2019 12:32 am
Replies: 3
by darkjoy2k2 » Mon Nov 19, 2018 7:14 am

3 Replies

3898 Views

Last post by Okoboji
Sat Jan 19, 2019 12:32 am
68K inner workings

Last post by ijor « Tue Jan 08, 2019 4:53 pm
Replies: 3
by Gigasoft » Fri Jan 04, 2019 8:46 pm

3 Replies

4296 Views

Last post by ijor
Tue Jan 08, 2019 4:53 pm
Monster World IV [T-de]

Last post by Kettenhund « Tue Jan 01, 2019 9:01 am
Replies: 25
by ArcadeTV » Tue Jun 06, 2017 11:09 am
1

2
25 Replies

11272 Views

Last post by Kettenhund
Tue Jan 01, 2019 9:01 am
Tons of trouble with Echo (pulling my hair out)

Last post by Sik « Sun Dec 30, 2018 5:37 am
Replies: 11
by KillaMaaki » Mon Dec 24, 2018 9:59 am

11 Replies

5077 Views

Last post by Sik
Sun Dec 30, 2018 5:37 am
Wonder Boy System1 to Mega Drive port

Last post by Miquel « Sun Dec 23, 2018 8:11 pm
Replies: 4
by ArcadeTV » Sat Dec 15, 2018 1:44 pm

4 Replies

4670 Views

Last post by Miquel
Sun Dec 23, 2018 8:11 pm
Add another SEGA logo into Wonder Boy V/MW III

Last post by ArcadeTV « Sun Dec 23, 2018 3:01 pm
Replies: 7
by ArcadeTV » Tue Dec 04, 2018 12:02 pm

7 Replies

4888 Views

Last post by ArcadeTV
Sun Dec 23, 2018 3:01 pm
68k patents

Last post by ijor « Tue Dec 11, 2018 1:21 pm
Replies: 5
by flamewing » Sat Oct 13, 2018 10:28 am

5 Replies

6624 Views

Last post by ijor
Tue Dec 11, 2018 1:21 pm
Looping access from 68K and Z80

Last post by Chilly Willy « Thu Nov 29, 2018 7:33 pm
Replies: 25
by Sorgelig » Mon Nov 12, 2018 11:21 pm
1

2
25 Replies

10211 Views

Last post by Chilly Willy
Thu Nov 29, 2018 7:33 pm
simple 68k loop

Last post by Chilly Willy « Sat Nov 03, 2018 11:59 am
Replies: 21
by bioloid » Tue Oct 09, 2018 4:51 pm
1

2
21 Replies

9970 Views

Last post by Chilly Willy
Sat Nov 03, 2018 11:59 am
Gunstar Heroes Decompression - Format & C# code

Last post by OrangyTang « Thu Oct 11, 2018 2:15 pm
Replies: 5
by OrangyTang » Mon Oct 08, 2018 11:13 pm

5 Replies

4589 Views

Last post by OrangyTang
Thu Oct 11, 2018 2:15 pm
Aggregating Community Research

Last post by Mask of Destiny « Fri Oct 05, 2018 8:37 pm
Replies: 12
by Mask of Destiny » Thu Nov 05, 2015 11:58 pm

12 Replies

8202 Views

Last post by Mask of Destiny
Fri Oct 05, 2018 8:37 pm
IO access differences in MD mode vs SMS

Last post by Enforcer « Mon Oct 01, 2018 11:54 pm
Replies: 4
by Enforcer » Mon Oct 01, 2018 1:42 am

4 Replies

4445 Views

Last post by Enforcer
Mon Oct 01, 2018 11:54 pm
Can somebody send my the binary of dmf2esf?

Last post by Manveru « Mon Oct 01, 2018 9:55 am
Replies: 3
by minerscale » Fri Sep 01, 2017 11:56 pm

3 Replies

4302 Views

Last post by Manveru
Mon Oct 01, 2018 9:55 am
Neat programming trick for optional operations

Last post by Miquel « Thu Sep 20, 2018 7:15 pm
Replies: 3
by OrangyTang » Tue Sep 18, 2018 3:16 pm

3 Replies

4295 Views

Last post by Miquel
Thu Sep 20, 2018 7:15 pm

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