Megadrive/Genesis

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68K inner workings

Last post by Gigasoft « Tue Feb 16, 2021 3:42 am
Replies: 6
by Gigasoft » Fri Jan 04, 2019 8:46 pm

6 Replies

32106 Views

Last post by Gigasoft
Tue Feb 16, 2021 3:42 am
68K Memory access

Last post by Gigasoft « Mon Feb 15, 2021 6:29 pm
Replies: 9
by mickagame » Tue Jan 19, 2021 8:44 pm

9 Replies

26235 Views

Last post by Gigasoft
Mon Feb 15, 2021 6:29 pm
Need help to understand sonic rom [Resolved]

Last post by mickagame « Tue Feb 09, 2021 7:41 pm
Replies: 2
by mickagame » Mon Feb 08, 2021 8:30 pm

2 Replies

10163 Views

Last post by mickagame
Tue Feb 09, 2021 7:41 pm
VDP Interrupt Processing

Last post by Stef « Fri Feb 05, 2021 1:18 pm
Replies: 3
by mickagame » Wed Feb 03, 2021 8:13 pm

3 Replies

13352 Views

Last post by Stef
Fri Feb 05, 2021 1:18 pm
68K cycle timing test ROM?

Last post by mickagame « Wed Jan 27, 2021 12:06 pm
Replies: 11
by Near » Tue Jun 04, 2019 3:06 am

11 Replies

34398 Views

Last post by mickagame
Wed Jan 27, 2021 12:06 pm
Discrepency in TMSS ROM Dumps?

Last post by ArcticCircleSystem « Fri Jan 15, 2021 3:00 am
Replies: 5
by ArcticCircleSystem » Mon Jan 11, 2021 6:47 pm

5 Replies

49648 Views

Last post by ArcticCircleSystem
Fri Jan 15, 2021 3:00 am
Megadrive ASIA Configuration

Last post by mickagame « Mon Nov 30, 2020 7:16 am
Replies: 2
by mickagame » Sun Nov 29, 2020 7:47 am

2 Replies

11217 Views

Last post by mickagame
Mon Nov 30, 2020 7:16 am
emulators or gamepad input problem?

Last post by Sik « Thu Nov 19, 2020 10:06 am
Replies: 1
by SeregaZ » Wed Nov 18, 2020 9:04 pm

1 Replies

35026 Views

Last post by Sik
Thu Nov 19, 2020 10:06 am
Good emulator for a newb wanting to make emulation modifications?

Last post by Stef « Tue Oct 13, 2020 8:17 am
Replies: 2
by maaarghk » Mon Oct 12, 2020 9:34 am

2 Replies

8499 Views

Last post by Stef
Tue Oct 13, 2020 8:17 am
Best tool for password reverse engineering?

Last post by cero « Mon Sep 28, 2020 5:28 pm
Replies: 5
by Bobblen » Tue Jul 19, 2016 8:43 pm

5 Replies

10066 Views

Last post by cero
Mon Sep 28, 2020 5:28 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

253089 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

37668 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

119378 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
1

2
21 Replies

42195 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
1

2

3
37 Replies

51923 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

22461 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
1

2
27 Replies

44550 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

16820 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

26468 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

12577 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

52181 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

11782 Views

Last post by danibus
Fri Jan 03, 2020 4:32 pm
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

6890 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

43298 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

20861 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
1

2
26 Replies

443097 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

44127 Views

Last post by danibus
Sun Sep 08, 2019 12:13 pm
Designing a cooperative-threaded scheduler for an emulator

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

14 Replies

63079 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

20770 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 Near » Tue Jun 18, 2019 3:54 pm

1 Replies

8001 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

29470 Views

Last post by Sik
Sun Jun 16, 2019 3:11 am
Z80 bus + I/O mapping redux

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

7 Replies

20984 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

15873 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
1

2

3
42 Replies

80621 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

122475 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

6429 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

20496 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

12576 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

144240 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

7849 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

8872 Views

Last post by Okoboji
Sat Jan 19, 2019 12:32 am
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

32925 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

12209 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

11198 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

11771 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

15199 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

44025 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

27146 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

12685 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

19039 Views

Last post by Mask of Destiny
Fri Oct 05, 2018 8:37 pm

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