mister-devel/Gameboy_MiSTer
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Author SHA1 Message Date
Sorgelig
e7c0ef1940 Release 20250618. 2025-06-18 21:22:21 +08:00
Sorgelig
f7464db6c1 Update sys. 2025-06-18 21:22:03 +08:00
Alexey Melnikov
98298519fd Merge pull request #268 from paulb-nl/oam 
Add option for extra sprites
 2025-06-16 14:06:14 +08:00
paulb-nl
ee8bf4c29f Add option for extra sprites 
Maximum of 6 extra sprites per line
Extra sprites are fetched during mode2 to not break mode3 timing
 2025-06-15 09:32:45 +02:00
paulb-nl
e246605341 OAM: Change data bus to 16bit 
-Add shared buffers for X/Y and Tile index/attributes
-X/Y buffers during mode2 are not updated when OAM dma is active
(Needed for strikethrough.gb test glitch)
 2025-06-10 17:43:50 +02:00
Alexey Melnikov
2c590444fd Merge pull request #265 from paulb-nl/color_lut 
Improve GBC color correction. GBC bootrom disable value.
 2025-05-12 14:54:01 +08:00
paulb-nl
95ea2d77a5 Improve GBC color correction 
Color LUT for mix of 2 colors with 2 stage gamma
 2025-05-11 13:07:44 +02:00
paulb-nl
179ec75a80 GBC bootrom is also disabled with bit 0 only 2025-05-11 13:04:59 +02:00
paulb-nl
460addc5bc HDMA: transfer stops only if target address overflows at $FFFF (#261) 
Fixes hang in F1 Championship Season 2000
 2025-01-08 20:55:27 +08:00
Sorgelig
44f43d5797 Release 20240912. 2024-09-12 23:32:38 +08:00
paulb-nl
fe5758fd33 Add option to remove audio pops (#257) 
Some audio can be inaccurate with this option enabled.
 2024-09-05 13:42:36 +08:00
paulb-nl
7c576b02e8 Fix noise channel pitch (#254) 
`noi_fcnt` was off by one
 2024-08-12 18:31:39 +08:00
Alexey Melnikov
23dd9de96b Merge pull request #250 from paulb-nl/window 
Window fixes, Wram bank, GBVideoPlayer, SGB joypad fix
 2024-06-16 22:44:58 +08:00
paulb-nl
1258e99207 Video: Background fetching changes for accurate Window glitches 
- WX=0 scrolling glitches
- WX=166 glitch
- Extra pixel glitch when Window is disabled mid-screen
- Start delay when enabling Window during WX trigger
 2024-06-16 14:38:22 +02:00
paulb-nl
ef8e1765c8 GBC: WRAM bank should not read 1 when set to 0. 2024-06-16 14:32:04 +02:00
paulb-nl
22da38ae41 Fix Rom mask for non power of 2 sizes (GBVideoPlayer) 2024-06-16 14:29:32 +02:00
paulb-nl
5f02cb3b23 SGB: Fix joypad_id not updating after MLT_REQ (Dai-2-ji) 2024-06-16 14:26:52 +02:00
Sorgelig
51c7baebcb Release 20240502. 2024-05-02 16:48:44 +08:00
Sorgelig
59b4f53ab7 Update sys. 2024-05-02 16:48:41 +08:00
Sorgelig
8668668d72 Release 20231211. 2023-12-12 01:58:56 +08:00
Sorgelig
e810e48293 Update sys. 2023-12-11 22:56:08 +08:00
Mark Johnson
4b06b66006 Fix #241 (#243) 
Tidy up noise channel implementation
 2023-05-24 04:03:05 +08:00
Sorgelig
5d75b1912c Release 20230501. 2023-05-01 19:37:51 +08:00
Mark Johnson
4031b6c2ce Save state slot fix #174. (#240) 
Thanks to @RobertPeip
 2023-05-01 06:39:17 +08:00
Mark Johnson
7b5598090e Reimplement APU DACs with disable decays (#239) 
* Reimplement APU DACs with disable decays

* Whitespace alignment
 2023-04-30 00:24:00 +08:00
Mark Johnson
fb923961c6 Fix bug with sound panning. (#237) 2023-04-15 21:05:04 +08:00
Alexey Melnikov
7cc59b4b83 Merge pull request #235 from maij/noise_fix 
APU DAC disable implementation and APU refactor
 2023-04-15 13:39:59 +08:00
Mark Johnson
c2598adcf9 CGB -> GBC 2023-04-15 00:37:27 +01:00
Mark Johnson
8ea9404b24 Adjust whitespace 2023-04-15 00:33:42 +01:00
Mark Johnson
4950b4643b Rewrite wave table. 2023-04-15 00:32:49 +01:00
Mark Johnson
8619d4ed1f Fix noise when rapidly turning APU DACs on and off. 2023-04-15 00:29:57 +01:00
Mark Johnson
2fb9af272e Rewrite output mixer. 
Tweak DAC outputs to map more accurately.
 2023-04-15 00:27:49 +01:00
Mark Johnson
e860fb5178 Refactor sound channels 2023-03-26 23:11:58 +01:00
Sorgelig
6831559218 Release 20230225. 2023-02-25 23:38:34 +08:00
Sorgelig
f47ccb5553 Update sys. 2023-02-25 23:31:40 +08:00
Mark Johnson
9c187460ce Add NSO palettes (#233) 2023-02-25 18:33:39 +08:00
Mark Johnson
ff7db6a614 Add bootrom compiler flow (#231) 
* Add makefile for bootrom compilation


Add flag for SameBoy compilation, separate asm sources

Also adds WIndows make switches
Replace SameBoy PB12 encoding with old encoding

GameBoy logo still not 100%
Clarify Makefile, add image compilation


Remove sameboy source

* Remove DMG emulation of CGB games


Remove unused variable.


Change logo extension


Remove rgbgfx option

Nintendo logo correct now
Explicitly define slice

* Remove palette selection for CGB games

* Old-style Gameboy logo

* Add GBA menu option for built-in CGB rom

* Restore original DMG scrolling animation

* Add original CGB bios checksum verification

* Add fastboot option to DMG/CGB bootroms, create new OSD submenu

Also add further checksums for CGB0 bootrom and equivalent checksum C code. Grouped together all bootrom items into new submenu. Removed redundant bootroms (AGB, fastboot)

* Update README and give SameBoy attribution

Clean up checksum + make

* Incorporate latest SameBoy boot changes

Gives correct register values on boot

* Update readme

* Add AGB alternative boot color

---------

Co-authored-by: Mark Johnson <mark.ai.johnson@pm.me>
 2023-02-13 00:13:19 +08:00
David Phillips
a5e706dc8e Add note about GBC bios and GBA mode (#230) 2023-01-08 19:33:05 +08:00
Sorgelig
aa5864d6a1 Release 20230102. 2023-01-02 17:11:44 +08:00
Alexey Melnikov
ed8984a165 Merge pull request #229 from paulb-nl/dmg_mode 
Wave channel buzzing, HDMA, Megaduck audio, GBC screen blanking
 2022-12-30 13:36:58 +08:00
paulb-nl
17d89ade42 gbc_snd: fix warning 2022-12-29 17:18:19 +01:00
paulb-nl
2439aa4747 Delay blanking the screen for GBC 
Repeat last frame when the LCD is disabled for a short time only.
 2022-12-29 17:13:53 +01:00
paulb-nl
746cb8e9c0 Megaduck audio fixes 
NR33 & NR34 were switched.
NR32 swizzled volume bits.
 2022-12-25 15:51:16 +01:00
paulb-nl
11750b0230 HDMA fixes 
-Let CPU finish a read/write before pausing the CPU.
-Assert hdma_rd after the 4 cycle (1 Mcycle) delay to allow the CPU to
finish the read/write.
-Stop HDMA transfer when target address overflows
 2022-12-23 17:49:41 +01:00
Terry Janas
a9ad08bbc3 Rename Game Boy Color.mgl to GameboyColor.mgl (#226) 2022-11-29 20:55:12 +08:00
paulb-nl
a6f94d6463 Fix wave channel buzzing sound 
Keep outputting the last read sample when the DAC is disabled.
The first sample output when playing starts is the last read sample.
 2022-11-26 19:31:52 +01:00
paulb-nl
310be30d76 Implement KEY0 and OPRI registers 2022-11-26 16:13:39 +01:00
Mark Johnson
d7863e1417 Fix output multiplier sign handling (#222) 2022-11-14 20:14:19 +08:00
Roberto Garcia-Lago
13957ab77d Change the Game Boy Color MGL setname to GBC (#219) 
José Manuel Barroso Galindo reached out and recommended we change the setname to "GBC" to avoid having to name the mgl game directory all caps for consistency with the original "GAMEBOY" core capitalization.
 2022-11-13 05:58:31 +08:00
Roberto Garcia-Lago
9429d4a4a8 MGL for GB Color and MegaDuck. 
* Add files via upload

Creating an MGL file with "GameboyColor" as a setname to help new users with core awareness and be able to set separate configs from the base core.

* Add files via upload

Creating an MGL file with "MegaDuck" as a setname to help new users with core awareness and be able to set separate configs from the base core.
 2022-11-08 05:46:56 +08:00