Search found 410 matches

by ob1
Tue Mar 24, 2009 9:58 am
Forum: Megadrive/Genesis
Topic: Mickey Mania emulator comparison
Replies: 67
Views: 32419

Great piece of knowledge ... as usual
by ob1
Thu Mar 19, 2009 7:36 am
Forum: Blabla
Topic: Blaze Mega Drive
Replies: 3
Views: 3164

http://www.presence-pc.com/actualite/Me ... aze-34103/
It's in french, but it says that it should be available by the end of may for nearly 45€.
;)
by ob1
Tue Mar 17, 2009 8:28 am
Forum: Super 32X
Topic: Super VDP
Replies: 167
Views: 93826

@Chilly Willy : answer in GLide32X topic ;)
by ob1
Tue Mar 17, 2009 8:27 am
Forum: Super 32X
Topic: GLide 32x
Replies: 38
Views: 26889

From SuperVDP topic : If you're writing words, remember a framebuffer will be 32000 writes for 256 color mode, and 64000 words for 15 bit mode. So 256 color mode is easy to keep going 60 Hz, but 15 bit mode consumes a considerable amount of bus time. Much of the CPU would be devoted soley to writing...
by ob1
Mon Mar 16, 2009 9:50 am
Forum: Super 32X
Topic: Super VDP
Replies: 167
Views: 93826

Snake wrote:The upshot of this is approx 76000 writes per frame max, *IF* you can hit that 5 cycle per pixel
76k writes / frame = 23 MHz / 60fps / 5cycles/writes
by ob1
Fri Mar 06, 2009 8:29 am
Forum: Super 32X
Topic: RenesasRulz.com
Replies: 1
Views: 2406

RenesasRulz.com

Did you know the community RenesasRulz.com ?
Some ressources (but little about our beloved machines)
by ob1
Fri Feb 20, 2009 8:51 am
Forum: SGDK
Topic: Sega Genesis Dev Kit (SGDK)
Replies: 837
Views: 511931

KanedaFr wrote:no, I don't mean I want the Spritesmind logo !
Yet, that would make sense.


Why not Stef' URL ?
by ob1
Tue Feb 17, 2009 8:51 am
Forum: Super 32X
Topic: 68k Interrupts
Replies: 7
Views: 4851

Chilly Willy wrote:It's always the EASY things that get you. :lol:
;D
by ob1
Tue Feb 17, 2009 8:12 am
Forum: Super 32X
Topic: 68k Interrupts
Replies: 7
Views: 4851

Snake wrote:Maybe you didn't enable V-INTS on the VDP?
:oops:

... thank you ?
by ob1
Mon Feb 16, 2009 4:03 pm
Forum: Super 32X
Topic: 68k Interrupts
Replies: 7
Views: 4851

OK, so, I think I've got a problem. Here's my code : dc.l $01000000 ; Initial SSP dc.l $3F0 ; Initial PC dc.l $880200 ; Bus error (2) dc.l $880206 ; Address error (3) dc.l $88020C ; Illegal Instruction (4) dc.l $880212 ; Divide by 0 (5) dc.l $880218 ; CHK Instruction (6) dc.l $88021E ; TRAPV Instruc...
by ob1
Sat Feb 14, 2009 10:06 am
Forum: Demos
Topic: Gameboy on 32X
Replies: 77
Views: 35039

Looks amazing !
by ob1
Fri Feb 13, 2009 10:43 am
Forum: Super 32X
Topic: 68k Interrupts
Replies: 7
Views: 4851

68k Interrupts

Hi you all. I wan't to ask you how the 68k handled the Interrupt Process with the 32X, but I think I've found by myself. Thus, here's how I understand it. A custom ROM in the 32X (you know, the 32X_G_BIOS.BIN) masks the 0h-100h from the cartrdige ROM. This custom ROM reads : 00h 0088 0200h 04h 0088 ...
by ob1
Fri Feb 13, 2009 8:44 am
Forum: Video Display Processor
Topic: Megadrive video timings
Replies: 120
Views: 68463

Great. Indeed. Thank you Jorge !!!
by ob1
Wed Feb 11, 2009 12:04 pm
Forum: Demos
Topic: Wolf32X - now at alpha 4!
Replies: 36
Views: 21267

Chilly, just to let us know, what framerate do you achieve on emulators ?