libretro/opera-libretro
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Craig Carnell 1978bfc1d6 libretro: fix cross-compilation build and add webOS to CI
2026-04-03 08:45:34 +01:00
deps
Remove erroneous free() call in zlib_codec_init()
2026-01-27 21:33:43 +01:00
jni
Fix threaded DSP + switch to rthreads
2021-12-14 17:54:20 +00:00
libopera
Silence a -Wtrigraphs warning
2026-01-27 21:33:22 +01:00
libretro-common
libretro: add core options v2 categories with legacy fallback
2025-12-26 17:53:06 +01:00
.gitignore
libretro: add core options v2 categories with legacy fallback
2025-12-26 17:53:06 +01:00
.gitlab-ci.yml
libretro: fix cross-compilation build and add webOS to CI
2026-04-03 08:45:34 +01:00
.travis.yml
rename 4DO/FreeDO to Opera
2020-02-17 12:05:08 -05:00
control
rename 4DO/FreeDO to Opera
2020-02-17 12:05:08 -05:00
cuefile.c
Fix NVRAM saving
2021-10-21 00:03:51 -04:00
cuefile.h
Backport trapexit PR
2018-03-16 20:53:13 +01:00
libretro_core_options.c
Add more CPU underclocking levels
2026-02-11 15:47:09 -06:00
libretro_core_options.h
Add enhanced core options
2019-08-01 18:03:19 +01:00
libretro.c
Rework DSP NOISE and CLIO RandSample PRNG to 32bit
2024-01-13 12:49:35 -05:00
link.T
Add libretro port of 4DO/libfreedo 1.3.2.3
2014-08-23 01:17:53 -05:00
lr_input_crosshair.c
Add memory capacity option
2023-12-31 12:14:34 -06:00
lr_input_crosshair.h
rename 4DO/FreeDO to Opera
2020-02-17 12:05:08 -05:00
lr_input_descs.c
Fix NVRAM saving
2021-10-21 00:03:51 -04:00
lr_input_descs.h
rename 4DO/FreeDO to Opera
2020-02-17 12:05:08 -05:00
lr_input.c
Allow offscreen reloading on all 4 sides of screen
2022-05-02 14:55:29 -04:00
lr_input.h
Fix save states and rework memory system
2023-12-26 18:10:15 -05:00
Makefile
libretro: fix cross-compilation build and add webOS to CI
2026-04-03 08:45:34 +01:00
Makefile.common
Rework DSP NOISE and CLIO RandSample PRNG to 32bit
2024-01-13 12:49:35 -05:00
opera_lr_callbacks.c
Fix NVRAM saving
2021-10-21 00:03:51 -04:00
opera_lr_callbacks.h
Fix save states and rework memory system
2023-12-26 18:10:15 -05:00
opera_lr_dsp_regular.ic
Fix building on non-threaded DSP platforms
2021-10-22 20:39:31 -04:00
opera_lr_dsp_threaded.ic
Fix save states and rework memory system
2023-12-26 18:10:15 -05:00
opera_lr_dsp.c
Fix NVRAM saving
2021-10-21 00:03:51 -04:00
opera_lr_dsp.h
Fix NVRAM saving
2021-10-21 00:03:51 -04:00
opera_lr_nvram.c
Always format the NVRAM if no saved NVRAM exists or is blank
2024-05-05 23:35:36 -05:00
opera_lr_nvram.h
Add memory capacity option
2023-12-31 12:14:34 -06:00
opera_lr_opts.c
Add memory capacity option
2023-12-31 12:14:34 -06:00
opera_lr_opts.h
Add memory capacity option
2023-12-31 12:14:34 -06:00
README.md
update BIOS/ROM list
2020-02-17 16:03:06 -05:00
retro_cdimage.c
Fix save states and rework memory system
2023-12-26 18:10:15 -05:00
retro_cdimage.h
rename 4DO/FreeDO to Opera
2020-02-17 12:05:08 -05:00
Tupfile
rename 4DO/FreeDO to Opera
2020-02-17 12:05:08 -05:00

README.md

opera-libretro

Opera is a fork of 4DO, originally a port of 4DO, itself a fork of FreeDO, to libretro. The fork/rename occurred due to the original 4DO project being dormant and to differenciate the project due to new development and focus.

One of several BIOS ROMs must be placed into your RetroArch / libretro "System Directory" folder. "norsa" versions have the RSA encryption check disabled which should allow unsigned software to run.

Filename Hash
panafz1.bin md5:f47264dd47fe30f73ab3c010015c155b
panafz1j.bin md5:a496cfdded3da562759be3561317b605
panafz1j-norsa.bin md5:f6c71de7470d16abe4f71b1444883dc8
panafz10.bin md5:51f2f43ae2f3508a14d9f56597e2d3ce
panafz10-norsa.bin md5:1477bda80dc33731a65468c1f5bcbee9
panafz10e-anvil.bin md5:a48e6746bd7edec0f40cff078f0bb19f
panafz10e-anvil-norsa.bin md5:cf11bbb5a16d7af9875cca9de9a15e09
goldstar.bin md5:8639fd5e549bd6238cfee79e3e749114
sanyotry.bin md5:35fa1a1ebaaeea286dc5cd15487c13ea
3do_arcade_saot.bin md5:8970fc987ab89a7f64da9f8a8c4333ff

For certain Japanese games a second "Kanji" ROM is necessary.

Filename Hash
panafz1-kanji.bin md5:b8dc97f778a6245c58e064b0312e8281
panafz1j-kanji.bin md5:c23fb5d5e6bb1c240d02cf968972be37
panafz10ja-anvil-kanji.bin md5:428577250f43edc902ea239c50d2240d

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Description
Port of 4DO/libfreedo to libretro.
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