diff options
Diffstat (limited to 'nongnu/packages')
| -rw-r--r-- | nongnu/packages/emulators.scm | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/nongnu/packages/emulators.scm b/nongnu/packages/emulators.scm index 5dade3b..b66f50a 100644 --- a/nongnu/packages/emulators.scm +++ b/nongnu/packages/emulators.scm @@ -1,5 +1,6 @@ ;;; SPDX-License-Identifier: GPL-3.0-or-later ;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz> +;;; Copyright © 2025 Maxim Cournoyer <maxim@guixotic.coop> (define-module (nongnu packages emulators) #:use-module (gnu packages backup) @@ -7,8 +8,11 @@ #:use-module (gnu packages sdl) #:use-module (guix build-system gnu) #:use-module (guix download) + #:use-module (guix gexp) + #:use-module (guix git-download) #:use-module ((guix licenses) #:prefix license:) #:use-module (guix packages) + #:use-module (guix utils) #:use-module (nonguix licenses)) (define-public dgen @@ -38,3 +42,76 @@ compatible. It's also perfect for command line freaks.") (license (list license:bsd-3 ;; Many non-free licenses. (nonfree "https://sourceforge.net/p/dgen/dgen/ci/master/tree/COPYING"))))) + +(define-public libretro-genesis-plus-gx + ;; There is no release nor tags: use the latest commit. + (let ((commit "a80e3b3b957d38961e274aa4da450245ddc63fe8") + (revision "0")) + (package + (name "libretro-genesis-plus-gx") + (version (git-version "0" revision commit)) + (source (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/ekeeke/Genesis-Plus-GX") + (commit commit))) + (file-name (git-file-name name version)) + (sha256 + (base32 + "0iqsbxw00mqc2hf0jw1v6qzccf5b40d6q1a7vv5bdi3i260py6i0")))) + (build-system gnu-build-system) + (arguments + (list + #:tests? #f ;no test suite + #:make-flags + #~(list "-f" "Makefile.libretro" + (string-append "GIT_VERSION=" #$version) + (string-append "CC=" #$(cc-for-target))) + #:phases + #~(modify-phases %standard-phases + (delete 'configure) ;no configure script + (replace 'install + (lambda _ + (install-file "genesis_plus_gx_libretro.so" + (string-append #$output "/lib/libretro")) + (invoke "find" "-executable" "-name" "*.so")))))) + (home-page "https://github.com/ekeeke/Genesis-Plus-GX") + (synopsis "Accurate Sega 8/16 bit emulator") + (description "This is the Libretro port of Genesis Plus GX, a SG-1000, +Mark-III, Master System (I & II), Game Gear, Genesis/Mega Drive and Sega/Mega +CD emulator. It was originally based on Genesis Plus, from which it improves +emulation accuracy and adds support for new peripherals, cartridges and +features such as: +@itemize +@item +NTSC (60Hz) and PAL (50Hz) video hardware emulation +@item +accurate 68000, Z80 CPU emulation and synchronization +@item +accurate VDP emulation and timings +@item +sample-accurate YM2612,YM2413, SN76489 and RF5C164 PCM sound chips emulation +@item +cycle-accurate sound chips synchronization with 68000/Z80 CPU +@item +cycle-accurate 68000 and Z80 CPU synchronization +@item +optimized Main-CPU / Sub-CPU synchronization (Sega/Mega CD) +@item +accurate CDD, CDC and GFX chip emulation (Sega/Mega CD) +@item +accurate CD-DA fader emulation (Sega/Mega CD) +@item +Mode 1 cartridge support (Sega/Mega CD) +@item +Audio CD and CD+G support (Sega/Mega CD) +@item +high-quality audio resampling using Blip Buffer +@item +basic hardware latency emulation (VDP/68k, Z80/68k) +@item +full overscan area emulation (horizontal and vertical color borders) +@end itemize") + ;; Redistributable but has a non-commercial clause, so does not meet the + ;; GNU FSDG requirements. + (license (nonfree "file://LICENSE.txt"))))) |