empathicqubit/Mesen-SX
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663 commits 3 branches 4 tags 18 MiB
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193 commits

Author SHA1 Message Date
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523e143ba5 PPU: Fixed mosaic effect when enabling it mid-frame (i.e after scanline 0) 
Fixes FF6 mosaic effect only working horizontally (all blocks were 1 pixel high) on some screens (e.g rescue sequence)
 2020-01-11 20:55:42 -05:00
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fac4b3c4e7 PPU: Fixed mosaic bug with high priority tiles 
Refactored code to process both normal and high priority tiles on the same pass
Fixes FF6 mosaic bugs when battle starts inside caves
 2020-01-11 17:55:24 -05:00
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5f2c502be9 Run ahead support (+ improved save/load state performance) 
Note: Run ahead currently doesn't work well with netplay, movies and rewind
 2019-12-26 12:03:38 -05:00
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b94ca9b728 Emulation: Added option to randomize power on state for the PPU (for homebrew/romhacking purposes) 2019-12-11 21:44:42 -05:00
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73c1a90833 NMI/IRQ: Fixes and refactoring to attempt to better represent the hardware 
Fixes Power Rangers - The Fighting Edition having partially corrupted graphics during fights
 2019-12-05 22:13:39 -05:00
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f91e206636 PPU: Fixed display issue with interlaced games when interlaced flag is turned on/off midscreen 2019-11-02 22:55:56 -04:00
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305ec6e446 Input: Ensure input is always processed at the same moment on each frame (first cycle of NMI scanline) 
Before this, DMA transfers could delay input processing for a long time (potentially multiple frames)
 2019-10-30 20:42:19 -04:00
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f9b7dc9281 PPU: Fixed off-by-1 error that could cause glitches on the last pixel of a scanline 2019-10-26 15:05:34 -04:00
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0f62692d04 PPU: Fixed out-of-bounds memory read and write 2019-10-26 13:15:42 -04:00
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37121166eb PPU: Fixed flickering in interlace mode (regression) 2019-10-19 21:27:29 -04:00
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c89bc248c3 PPU: Fixed recent regression with the "cycle" calculation 2019-10-19 21:26:52 -04:00
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a3829c58fa PPU: Fixed regression that caused flickering when fast forwarding 2019-10-19 16:12:52 -04:00
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df79dc9cc1 SPC: Added support for SPC file playback 2019-10-19 15:38:34 -04:00
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a4f4b526ef Debugger: Event Viewer - Fixed PPU display when running line by line 2019-10-18 19:34:55 -04:00
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207282ed1e Added support for automated testing 2019-10-16 20:22:45 -04:00
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7ae6605e77 Debugger: Performance improvements + refactoring 
-Reduce breakpoint check overhead
-Only run SPC/DSP when needed
-Only build disassembly cache when needed
 2019-10-11 16:07:30 -04:00
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af175616cd Debugger: Added Register Viewer tool 2019-10-10 23:54:38 -04:00
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60a8abcbd5 Debugger: Fixed crash when using event viewer in PAL mode 2019-10-08 21:04:32 -04:00
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3df7a20976 PPU: Initialize mosaic counter at the start of scanline 1, instead of at the end of scanline 0 (Fixes Jimmy Connars Pro Tour Tennis pause animation) 2019-10-07 22:38:19 -04:00
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da5e77d6e3 Input: Added Super Scope support 2019-08-09 20:47:12 -04:00
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a387d5db4c PPU: Fixed regression where sprites at X=-256 were shown in some scenarios 2019-08-06 22:22:04 -04:00
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a861a0af7c PPU: Fixed issues with sprites at position X=-256 2019-08-06 18:08:33 -04:00
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15a29ec2bf PPU: Fixed sprite tiles outside the visible screen being loaded and counting as the maximum number of sprite tiles 2019-08-06 16:23:08 -04:00
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dffce96ed8 PPU: Don't change the OAM eval index when writing to OAMADDR (this causes glitches in Star Ocean) 2019-07-31 21:22:41 -04:00
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0e7dd11cf2 PPU: Switch to interlaced mode even outside mode 5/6 when flag is enabled 2019-07-25 22:52:34 -04:00
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fe470dd87a SA-1 support (still missing a few rarely used features) 2019-07-25 22:22:09 -04:00
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49df8ab7d0 Libretro: Added overclocking options 2019-07-19 19:59:09 -04:00
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c880c55d53 Added support for overclocking (by adding extra scanlines before/after NMI) 2019-07-19 19:39:38 -04:00
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3992486fa1 Video: Added an option to disable frame skipping 2019-07-18 19:33:37 -04:00
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cd5792ebf5 Debugger: Tilemap Viewer - Fixed scroll overlay size (large tiles vs large screen bug) 2019-07-16 21:21:10 -04:00
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c9405d7ba3 DSP: Added support for DSP-1/2/3/4 games (LLE - requires bios file) 2019-07-14 21:45:12 -04:00
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521df256fa PPU: Added mosaic support for mode 7 2019-07-13 15:40:00 -04:00
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0341dd12b2 PPU: Fixed mode7 regressions (horizontal mirroring and sprite priority) 2019-07-13 14:16:50 -04:00
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95d0c5a910 Fixed some uninitialized variables 
+ Fixed rare crash when calling Stop()
 2019-07-13 13:43:56 -04:00
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bc7550fc43 Rewind: Fixed issues with frame skipping 2019-07-13 08:55:13 -04:00
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c8cba7a0b8 PPU: Fixed mosaic in high resolution modes 2019-07-13 08:25:28 -04:00
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27dbf9655d PPU: Fixed sprite rendering regression 2019-07-13 01:07:54 -04:00
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1f18728acb Fixed console components leaking when power cycling 2019-07-13 00:02:51 -04:00
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ae20428bdd PPU: Minor mode 7 optimization 2019-07-13 00:02:36 -04:00
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e09b7a05fa PPU: Minor color math optimization 2019-07-13 00:02:00 -04:00
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667aed6f7b PPU: Refactoring and optimizations 2019-07-12 23:53:47 -04:00
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f68aa2a8f9 PPU: Skip high priority tile processing if scanline contains no high priority tiles (optimization) 2019-07-12 08:33:09 -04:00
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f5bb073b9d PPU: Improved frame skipping logic 2019-07-11 23:30:40 -04:00
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81d373b99b PPU: Convert VRAM to uint16_t array (cleaner code) 2019-07-11 23:03:02 -04:00
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6ba622df9f PPU: Minor refactoring/optimizations 2019-07-11 21:45:56 -04:00
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aa9f7b3f23 PPU: Convert CGRAM to uint16_t array (performance + code simplicity) 2019-07-11 20:03:57 -04:00
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f40b9527af PPU: Mosaic "start" scanline should not be reset when writing to the mosaic register while mosaic is already enabled 
(Fixes FF3 battle mosaic)
 2019-07-10 23:13:06 -04:00
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26bf239cee PPU: Cycle-by-cycle sprite evaluation & fetching 
Not 100% accurate, but much better than doing it all at once
 2019-07-10 22:50:12 -04:00
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9996d569d4 PPU: Fixed mosaic issues (was disabled on subscreens and palette wasn't properly kept for the entire block) 2019-07-08 23:46:31 -04:00
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f963a6562e PPU: Mode 7 - Latch scroll values at the start of a scanline and keep them for the whole scanline (fixes NHL 94 intro) 2019-07-08 19:25:53 -04:00