Commit Graph

459 Commits

Author SHA1 Message Date
ekeeke31
a4cfc2a77a [Core/VDP]
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* improved VBLANK flag accuracy, as observed on real hardware.
* improved DMA operations accuracy, writes are now performed on a scanline basis: fixes Gaiares (flickering title screen).
* improved DMA Fill timing accuracy.
* fixed DMA with bad code values: fixes Williams Arcade Classics (corrupted gfx after soft reset).
* fixed horizontal resolution changes during HBLANK: fixes Bugs Bunny in Double Trouble (2nd stage).
* fixed Vertical Counter in interlace mode 1, as observed on real hardware.
* fixed horizontal border width, as observed on real hardware.
* various code improvments & optimizations.

[Core/Extra]
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* improved savestate format: added DMA, SVP, cartridge mapping & internal registers state informations
* improved unlicensed ROM mappers emulation
* added Chinese Fighters III mapper support
* added Top Fighter mapper support
* fixed Barver Battle Saga mapper support
* fixed cartridge hardware soft-reset (Game Genie, SVP, ...)
* fixed Game Genie registers byte reads
2010-12-04 17:13:55 +00:00
ekeeke31
edf479a257 masked interrupts during float operations 2010-12-04 17:11:13 +00:00
ekeeke31
9e1c7d6ce8 fixed config.ini being always reinitialized 2010-11-02 12:22:23 +00:00
ekeeke31
d3116defa7 Bump up version 1.4.0 2010-11-01 18:19:46 +00:00
ekeeke31
c8014f5b4d modified legal disclaimer 2010-11-01 18:14:45 +00:00
ekeeke31
d14026a6fe -redesigned cheats manager menu, added Action Replay codes support
-added libiso9660 support
-improved ROM browser and history
-fixed missing MODE button support on Game Cube controller
2010-11-01 18:13:17 +00:00
ekeeke31
e0aa2d00c8 .added PRO Action Replay hardware emulation 2010-11-01 18:08:24 +00:00
ekeeke31
39eaa853be .fixed gamepad initial state (Gouketsuji Ichizoku / Power Instinct, Samurai Spirits / Samurai Shodown)
.improved gamepad emulation accuracy
2010-11-01 18:05:14 +00:00
ekeeke31
63617bf5a1 fixed VDP width change during active display (Golden Axe 3 intro) 2010-11-01 18:03:41 +00:00
ekeeke31
032bd764ab changed default SVP clock speed 2010-11-01 18:01:51 +00:00
ekeeke31
31d476948b improved YM2612 DAC/accumulator accuracy 2010-11-01 18:00:43 +00:00
ekeeke31
7d04780880 disabled interrupt during YM2612 table initialization to prevent pow() function returning wrong values: fixes random sound issues on game startup 2010-09-16 11:36:09 +00:00
ekeeke31
28d112c03d updated changelog 2010-08-27 07:45:23 +00:00
ekeeke31
f7ccaffa9f .added support for Pocket Monsters II ROM banking protection
.improved emulation of copy protection hardware used in some unlicensed games (now bypass all checks in Mulan & Pocket Monsters II)
2010-08-27 07:41:10 +00:00
ekeeke31
9db9a8056f .added support for Mulan ROM banking protection 2010-08-26 23:54:43 +00:00
ekeeke31
fd53f3f568 .prevented TMSS register access when TMSS/BIOS is disabled (fixes some unlicensed game developed with Tomsoft Studio SEGA Kit)
.added random starting cycle value for 68k/Z80
2010-08-26 22:31:52 +00:00
ekeeke31
c2d54eb63a Added missing files 2010-08-24 12:52:46 +00:00
ekeeke31
b8506f31b7 .implemented new SN76489 core, using Blargg's blip linear implementation
.improved sound chips input clock precision (float->double)
2010-08-24 12:48:40 +00:00
ekeeke31
88e7fb847a fixed current DVD directory not being saved when changing ROM device
removed unused USB2 code
2010-08-24 12:43:34 +00:00
ekeeke31
2e2985bb1a fixed bug introduced in r489 (Z80 interrupt was never cleared) 2010-08-20 12:45:23 +00:00
ekeeke31
5486be90dd bump up max files per directory 2010-08-20 12:44:14 +00:00
ekeeke31
34a9015f0e Removed useless IOS code 2010-08-19 13:25:07 +00:00
ekeeke31
b82c22c2e9 improved Z80 interrupt timing accuracy 2010-08-19 13:22:12 +00:00
ekeeke31
9f4806a37d finally implemented accurate column-based vertical scroll mode (verified on real hardware) 2010-08-19 12:11:51 +00:00
ekeeke31
56760ff8c3 removed cIOS202 & EHCI module support 2010-08-12 19:21:25 +00:00
ekeeke31
b09509edb8 minor code cleanup 2010-08-10 19:54:35 +00:00
ekeeke31
70d297a327 [Z80] more fixes to reset state, /IRQ and /NMI state should remain unchanged 2010-08-10 12:38:46 +00:00
ekeeke31
54f1b14aa9 fixed audio/video synchronization in interlaced & progressive modes 2010-08-08 18:09:37 +00:00
ekeeke31
cd14774e03 [Z80] fixed state of CPU registers on reset: fixes missing sound in Defender/Defender 2 (Williams Arcade Classics) 2010-08-08 17:28:11 +00:00
ekeeke31
efc7c3000a [68k] improved MULU/MULS instructions timing accuracy 2010-08-07 14:22:36 +00:00
ekeeke31
c7e2dad7b4 2010-08-05 19:14:09 +00:00
ekeeke31
21e263dd25 improved 2-cell vscroll emulation accuracy (fixes Cutie Suzuki no Ringside Angel left-most column) 2010-07-30 21:26:06 +00:00
ekeeke31
7baad4c52e modified default config options 2010-07-30 21:18:41 +00:00
ekeeke31
c44daa134b minor input code cleanup & fixes
it's now possible to change the input configuration when J-CART is detected: this let you play 6-player mode in Super Skidmarks by connecting 4-WayPlay
2010-07-28 12:01:03 +00:00
ekeeke31
283c251cc8 minor changes to HV counter in 40-cell mode (verified on real hardware by Nemesis) 2010-07-27 07:22:31 +00:00
ekeeke31
84a2995700 .fixed J-CART emulation (broken by previous revision)
.fixed 6-button controller support through J-CART
2010-07-26 12:41:26 +00:00
ekeeke31
b758b0b57e improved I/O emulation accuracy
optimized gamepad/teamplayer code
2010-07-16 08:30:25 +00:00
ekeeke31
7a28d34f4d CPU emulation code cleanup & optimization 2010-07-16 08:29:05 +00:00
ekeeke31
64c2278395 .fixed GX_REPEAT texture rendering
.added new default menu background
2010-07-06 14:03:50 +00:00
ekeeke31
670df571ea code cleanup 2010-07-02 23:03:05 +00:00
ekeeke31
48b77511bf .fixed a bug with sprite rendering
.additional "optimization"
2010-07-02 13:21:21 +00:00
ekeeke31
d2b4f21de8 updated Win32/SDL port 2010-06-30 08:16:20 +00:00
ekeeke31
daf11963b1 .added pixel-accurate emulation of mid-line display on/off (Nigel Mansell World Championship PAL, Ren & Stimpy's Invention PAL,...)
.improved sprite processing accuracy (fixes Power Athlete / Deadly Moves)
.optimized sprite rendering
2010-06-28 22:49:17 +00:00
ekeeke31
a2258d0011 Additional fixes 2010-06-20 20:32:14 +00:00
ekeeke31
fb4663f2e3 More changes to Z80 bus request/reset 2010-06-18 11:02:10 +00:00
ekeeke31
84a395dbf3 fixed an error with Z80 reset from previous changes 2010-06-17 06:31:30 +00:00
ekeeke31
3434f89e3b .fixed optimization of memory handlers (better branch prediction ?)
.fixed savestate snaphot when 16:9 correction is used
.fixed overscan support (separated H & V border emulation)
2010-06-15 06:14:35 +00:00
ekeeke31
682dd53a38 additional memory handler code cleanup 2010-06-14 19:20:05 +00:00
ekeeke31
79d5f55611 .added proper TMSS emulation
.memory bus handlers code cleanup & optimization
2010-06-14 08:05:45 +00:00
ekeeke31
f8c7045b72 reverted changes made to column-based vertical scrolling (verified on real hardware) 2010-06-11 05:57:35 +00:00