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

132556 Views

Last post by HardWareMan
Sun Jul 16, 2017 12:26 pm
( ) around absolute short addressing mode

Last post by HardWareMan « Wed Aug 25, 2021 10:56 am
Replies: 5
by Okie » Wed Aug 18, 2021 2:17 am

5 Replies

926 Views

Last post by HardWareMan
Wed Aug 25, 2021 10:56 am
MESS Emulator debugging Script

Last post by Okie « Wed Aug 18, 2021 2:25 pm
Replies: 1
by Okie » Sun Aug 15, 2021 11:53 pm

1 Replies

260 Views

Last post by Okie
Wed Aug 18, 2021 2:25 pm
Dump of the D-CAT16 handheld (Firecore)

Last post by ArcticCircleSystem « Mon Aug 16, 2021 10:21 am
Replies: 16
by TeamEurope » Sun Jun 12, 2016 5:38 pm
1

2
16 Replies

10181 Views

Last post by ArcticCircleSystem
Mon Aug 16, 2021 10:21 am
TMSS

Last post by TmEE co.(TM) « Wed Aug 11, 2021 10:11 pm
Replies: 6
by Okie » Wed Jul 21, 2021 6:59 pm

6 Replies

913 Views

Last post by TmEE co.(TM)
Wed Aug 11, 2021 10:11 pm
MESS Emulator Assembly Offset WRONG

Last post by Okie « Mon Jul 26, 2021 6:35 pm
Replies: 1
by Okie » Wed Jul 21, 2021 7:14 pm

1 Replies

441 Views

Last post by Okie
Mon Jul 26, 2021 6:35 pm
VRAM write macro $3FFF mask

Last post by Okie « Tue Jul 20, 2021 2:37 pm
Replies: 3
by Okie » Sun Jul 11, 2021 9:22 pm

3 Replies

632 Views

Last post by Okie
Tue Jul 20, 2021 2:37 pm
Thousand tiles based maps - "How to" using SGDK?

Last post by Stef « Sun Jul 18, 2021 8:14 pm
Replies: 1
by masteries » Sat Jul 17, 2021 5:02 pm

1 Replies

426 Views

Last post by Stef
Sun Jul 18, 2021 8:14 pm
Problem getting animation working on Sega Genesis.

Last post by gigabyte « Tue Jun 29, 2021 3:51 am
Replies: 2
by gigabyte » Sun Jun 27, 2021 11:39 pm

2 Replies

751 Views

Last post by gigabyte
Tue Jun 29, 2021 3:51 am
Releasing on Steam (and similar platforms)

Last post by diegzumillo « Sun Jun 27, 2021 5:52 pm
Replies: 10
by diegzumillo » Thu Jun 03, 2021 1:31 am

10 Replies

1676 Views

Last post by diegzumillo
Sun Jun 27, 2021 5:52 pm
VDP FIFO and DMA questions

Last post by TmEE co.(TM) « Fri Apr 09, 2021 9:59 am
Replies: 3
by Near » Fri Apr 09, 2021 2:12 am

3 Replies

2277 Views

Last post by TmEE co.(TM)
Fri Apr 09, 2021 9:59 am
Question on Golden Axe II

Last post by Near « Sun Apr 04, 2021 8:57 am
Replies: 4
by Near » Fri Apr 02, 2021 8:04 pm

4 Replies

1494 Views

Last post by Near
Sun Apr 04, 2021 8:57 am
update on (palette loading problem (new to asm68K))

Last post by ob1 « Sun Mar 14, 2021 8:33 am
Replies: 2
by Cydeenwins » Sat Mar 13, 2021 5:09 pm

2 Replies

1487 Views

Last post by ob1
Sun Mar 14, 2021 8:33 am
Problem Expanding Super Monaco GP

Last post by Gigasoft « Thu Feb 25, 2021 12:34 am
Replies: 8
by TAMarcosTranslations » Tue Feb 23, 2021 4:14 pm

8 Replies

2047 Views

Last post by Gigasoft
Thu Feb 25, 2021 12:34 am
palette loading problem (new to asm68K)

Last post by ob1 « Wed Feb 24, 2021 2:07 pm
Replies: 1
by Cydeenwins » Wed Feb 24, 2021 12:49 pm

1 Replies

990 Views

Last post by ob1
Wed Feb 24, 2021 2:07 pm
Version Register

Last post by TmEE co.(TM) « Tue Feb 16, 2021 7:53 pm
Replies: 6
by mickagame » Mon Feb 15, 2021 7:05 pm

6 Replies

2275 Views

Last post by TmEE co.(TM)
Tue Feb 16, 2021 7:53 pm
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

7016 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

2735 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

1199 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

1879 Views

Last post by Stef
Fri Feb 05, 2021 1:18 pm
I'm officially building a microcode-level 68000 core

Last post by flamewing « Tue Feb 02, 2021 1:36 pm
Replies: 44
by Nemesis » Fri May 03, 2019 11:35 am
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44 Replies

34670 Views

Last post by flamewing
Tue Feb 02, 2021 1:36 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

8925 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

2531 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

2720 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

1748 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

2659 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

4332 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

10086 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

2047 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

4354 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

9251 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

19498 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

10375 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

13453 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

4839 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

7794 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

5924 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

21155 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

5058 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

14909 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

3812 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

18679 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

8509 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

26792 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

15670 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

7046 Views

Last post by danibus
Tue Aug 13, 2019 6:37 pm
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
1

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3

4
45 Replies

31861 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 Near » Wed Jun 12, 2019 8:52 am

14 Replies

10265 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

10609 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

4338 Views

Last post by Sik
Wed Jun 19, 2019 11:46 am

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