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SameBoy
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70 Commits

Author SHA1 Message Date
Lior Halphon bd31258725 Fix building SameBoot with the lastest RGBDS master, fixes #606 2024-04-13 00:23:18 +03:00
Lior Halphon 3f799f21ff Make the SGB boot ROMs closer in timing to the original ones, fixed #602 2024-04-05 18:44:49 +03:00
orbea 8017a4a044 pb12: silence -Wmissing-prototypes warnings 2024-02-28 19:12:00 -08:00
Lior Halphon b51aac4bf5 Modernize some RGBASM syntax to silence most deprecation warnings in the upcoming 0.7 RGBDS release 2023-12-09 15:04:27 +02:00
Lior Halphon 59ecd4b9bc Explicitly set register A to 0 in the DMG, SGB, MGB, and SGB2 bootroms 2023-02-11 19:31:19 +02:00
Lior Halphon 2b6cf0c8f1 Correctly set the B register on Nintendo-licensed games running with the built-in CGB and AGB boot ROMs 2023-02-02 23:46:23 +02:00
orbea cbb7e018b8 Fix -Werror=strict-prototypes 
This will be required for upcoming gcc and clang versions.

Reference: https://archives.gentoo.org/gentoo-dev/message/dd9f2d3082b8b6f8dfbccb0639e6e240
 2022-10-10 13:36:16 -07:00
Lior Halphon 832c7463bc Add comment to pb12 2022-10-04 15:06:39 +03:00
Lior Halphon c0966ceeba Update SameBoot to support RGBDS 0.6.x, RGBDS 0.4.x support dropped. Closes #500, #501 2022-10-04 14:21:54 +03:00
Lior Halphon f47e143e75 Update the boot ROM color to match SameBoy's logo slightly better 2022-07-25 19:56:44 +03:00
Lior Halphon eb60dbce0d There you go, kouhai. Closes #455 2022-05-23 22:13:59 +03:00
Lior Halphon 18126994ff Downgrade hardware.inc (rgbds is old in Ubuntu's repos, used by GitHub Actions), move definitions to hardware.inc's bottom 2022-04-18 20:03:51 +03:00
Ricardo Maurizio Paul de21e8d628
use friendly names for HW registers instead of magic numbers 2022-04-18 18:09:16 +02:00
Lior Halphon 8073e3d39e Visual refresh, update copyright year, crush PNGs 2022-02-24 00:38:27 +02:00
Lior Halphon 9e3ad31df1 Fix HDMA usage in SameBoot 2022-01-29 02:12:27 +02:00
Lior Halphon f237b1e9b9 CGB-0 support 2021-11-04 00:35:44 +02:00
Lior Halphon 18007f0e53 MGB support 2021-10-23 23:28:54 +03:00
Lior Halphon 1376c386a2 Slightly altered merge of #408 2021-10-20 21:49:02 +03:00
Lior Halphon 51be70275d Fix broken wave RAM initialization in the boot ROM 2021-09-22 17:59:20 +03:00
Lior Halphon 0ff882f3bc Actually do what the previous commit claimed to do 2021-07-28 00:47:19 +03:00
Lior Halphon b454ee28db Fix an issue where SameBoot gave DMG games the wrong palette and needlessly drew the DMG boot tilemap 2021-07-27 22:18:28 +03:00
SimpleTease 714227883f cross-compile friendly 2020-10-10 13:46:44 +00:00
Jakub Kądziołka 9c50a992af
pb12: check the return value of write 2020-09-17 20:01:21 +02:00
Lior Halphon a2e656a7c2 Fixed boot ROM regression; CGB games were given the wrong palettes 2020-06-24 20:34:52 +03:00
Lior Halphon 157123e118 Fix clearing OAM and initializeing wave RAM 2020-05-17 19:24:11 +03:00
Jakub Kądziołka 24220defd6
Save 16 bytes in the CGB boot ROM 2020-05-09 13:11:51 +02:00
Lior Halphon e063671816 No need to use malloc here, the buffer never gets large 2020-05-07 22:46:06 +03:00
Lior Halphon 8625b23c0d Whoops 2020-05-07 01:32:03 +03:00
Lior Halphon 7cff35368d Port to C to remove the Python dep, remove leftovers 2020-05-06 23:30:01 +03:00
Lior Halphon 184743637e Fix silly regression 2020-05-06 01:10:46 +03:00
Lior Halphon 730567dc60 Proper color mixing 2020-05-06 01:06:22 +03:00
Lior Halphon a3f261184d Optimize more 2020-05-05 01:44:48 +03:00
Lior Halphon f46f138e9f Clear VRAM correctly 2020-05-04 23:54:43 +03:00
Lior Halphon 72a90ba91c Hacky color blending 2020-05-04 02:17:03 +03:00
Lior Halphon 2225fd114c Handle 2bpp palettes 2020-05-04 02:07:19 +03:00
Jakub Kądziołka b057e0d10a
Save 4 more bytes in the CGB boot ROM 2020-05-03 23:07:53 +02:00
Jakub Kądziołka cb738190be
Add a 2bpp CGB boot ROM logo, pending palettes 2020-05-03 22:45:23 +02:00
Jakub Kądziołka 19126df7f4
Save 8 bytes in the CGB boot ROM 2020-05-03 22:41:56 +02:00
Lior Halphon 0cf168f32b Fixing inconsistent style 2020-04-24 20:37:57 +03:00
Lior Halphon ee939a3782 New boot ROM animation in the DMG boot ROM 2020-03-06 17:37:18 +02:00
Damian Yerrick 26cf970713 don't need logo-compress.c anymore 2019-07-16 17:04:23 -04:00
Damian Yerrick 4504de828a cgb_boot: Compress logo with PB8 
The logo is compressed using PB8, a form of RLE with unary-coded
run lengths.  Each block representing 8 bytes consists of a control
byte, where each bit (MSB to LSB) is 0 for literal or 1 for repeat
previous, followed by the literals in that block.

PB8 compression is also used in a few NES games.  A variant called
PB16, where 1 means repeat 2 bytes back, is used in the Game Boy
port of 240p Test Suite and in Libbet and the Magic Floor.

Switching from logo-compress RLE to PB8 decreases the compressed
logo data size from 287 bytes to 253 bytes, saving 34 bytes.
The decompression code is also about 10 bytes smaller.
 2019-07-16 16:58:16 -04:00
Lior Halphon 970a5f562b Fix #183 2019-06-22 18:16:55 +03:00
Lior Halphon 5a04054145 Style changes 2019-06-14 14:34:02 +03:00
Lior Halphon 8389c6a450 Long overdue capitalization fixes 2019-06-14 14:31:17 +03:00
Jakub Kądziołka c678407d1e
Compress the Sameboy logo. 117 bytes are now free 2019-06-10 17:45:14 +02:00
Jakub Kądziołka 8386aaf12f
Save 20 bytes in the CGB boot ROM 2019-06-09 15:15:08 +02:00
Lior Halphon a0c5baecd8 More realistic initial V/RAM values in the boot ROM. Fixes #150 and #91 2019-06-09 00:53:44 +03:00
Lior Halphon bb7fa95426 Fix incorrect register values when changing the color palette via the boot ROM 2019-06-08 13:37:49 +03:00
Lior Halphon cdc36f329e Added open dialog to the SDL GUI, misc fixes 2019-06-01 14:29:46 +03:00