marqs
1ba02417d5
fix lockup issue due to counter reaching max value
2023-09-19 22:39:21 +03:00
marqs
3a17642d5b
update generated files for v1.01
2023-03-13 21:51:40 +02:00
marqs
aa4beec957
bump sys_ctrl register to 32bit
2023-01-31 20:50:33 +02:00
marqs
fd37e4275b
update to Quartus 21.1
2022-12-27 14:59:47 +02:00
marqs
73dd1963b9
update to Quartus 20.1.1
2021-07-31 18:06:21 +03:00
marqs
238cf0b285
update epcq_controller_mod to epcq_controller2
2020-11-10 19:46:07 +02:00
marqs
9c5e7b5b83
advanced OSD implementation
2020-10-05 23:05:43 +03:00
marqs
a076c6d2db
update quartus to 19.1
2020-02-09 21:28:24 +02:00
marqs
85c295c5e2
make pll_reconfig more robust
2019-10-12 22:56:10 +03:00
marqs
8e7236dc00
timing optimizations
2019-10-10 01:00:48 +03:00
marqs
b22365af20
add timeout to pll_reconfig and update postprocess pipeline diagram
2019-10-07 23:20:44 +03:00
marqs
9d496383c3
optimize clock network
...
* replace all clock muxes with a single cycloneive_clkctrl to minimize skew
* use a single dynamically configured PLL to comply with cycloneive_clkctrl
2019-10-06 23:54:32 +03:00
marqs
d1fd30019f
osd_generator: add M9K support to allow larger character array
2019-10-05 11:33:59 +03:00
marqs
a6bdd8cfab
free up 1 M9K by modifying altera_jtag_avalon_master
2019-10-03 23:47:59 +03:00
marqs
6266976114
first OSD implementation
2019-10-03 02:03:43 +03:00
marqs
5e0277fb48
add Panasonic hack for improving line count tolerance with line2x
2019-07-01 19:15:57 +03:00
marqs
9e81fb5922
Scanline updates and fixes
...
* Enable overlay pattern customization
* Fix non-alternating mode with line4x interlace sources
* Add alternate interval option for pre-linedoubled sources
2019-03-23 00:09:46 +02:00
marqs
76d69d19bf
switch to RV32E
2018-10-30 01:31:40 +02:00
marqs
0905620b4d
update qsys+bsp build logic and instructions
2018-10-11 00:04:32 +03:00
marqs
7914a2ee83
clean up and update README
2018-10-08 00:37:42 +03:00
marqs
e8d5097ecb
replace nios crcCI with hw_crc32 qsys module
2018-10-07 23:38:26 +03:00
marqs
4676cbd2f0
integrate zero-riscy
2018-10-06 13:19:12 +03:00
marqs
22e49300df
fix line2x reverse LPF trigger
2018-04-18 23:14:24 +03:00
marqs
37650ca22b
misc improvements
...
* add character LCD backlight timeout option
* increase h.mask range
* show accurate (fpga-calculated) timings on infoscreen
2018-03-28 20:09:40 +03:00
marqs
9ad696dbc3
optimize away one pp stage and unify code formatting
2018-03-12 01:25:23 +02:00
marqs
0ab31b30b4
simplify timing constraints
2018-03-07 09:21:19 +02:00
marqs
bc1b7419f2
pcm1862: add pre-ADC gain setting
2018-03-02 23:11:52 +02:00
paulb-nl
a39888845a
Add 32 step grayramp to test pattern
2018-01-20 22:08:10 +01:00
marqs
dd4ffde231
update to Quartus 17.1
2017-12-07 21:35:08 +02:00
marqs
a24d6b0e3a
Update latency tester
...
* Enable operation with all sources
* Measure strobe length on low-persistence displays
2017-10-28 12:10:54 +03:00
marqs
1bf279b2a7
Initial latency tester implementation
2017-10-22 22:45:29 +03:00
marqs
75e072d622
Revert some drive strength adjustments to meet timing requirements
2017-10-13 21:03:48 +03:00
marqs
4b21a354b4
Fix and optimize reverse lpf activation
2017-10-12 02:31:19 +03:00
paulb-nl
ac16008076
Add reverse LPF feature
...
reverse LPF can be used to mostly reverse the blur on pre 1-CHIP SNES.
For best results use 256x240 optimized mode.
2017-09-27 22:43:26 +02:00
marqs
9d14cc776e
Misc small fixes and improvements
...
* Disable 480p scanlines in auto mode
* Remove inoperable 3x/4x processing modes from 1080i list
* Add 640x512 mode to 480p group and limit 480p sampler option to 525-line modes
* Fix occasional pixel repetion issue after HDMI<->DVI TX switch
* Add "Allow upsample2x" option
* Add comments to some unclear sections
2017-08-10 00:06:35 +03:00
marqs
2cd36cdd37
Fix PCM1862 input selection.
2017-06-12 01:00:34 +03:00
marqs
cabc04b3b0
Add support for v1.6 pcb with PCM1862.
2017-06-05 00:02:01 +03:00
marqs
2aee3294e3
Fix HDTV mode parameters
2017-05-30 21:16:03 +03:00
marqs
d98c23c8c1
Update project files to Quartus 17.0.
2017-05-29 19:15:34 +03:00
marqs
4f36278cb7
Sync processing rewritten and some issues fixed
...
* add 480i/576i line3x/4x
* clean up RTL and SDC
* update AVI infoframe properly
* add HDMI IT content option
2017-05-18 23:36:37 +03:00
marqs
01b5fe20ee
Sync and masking improvements
...
* detect VSM=1 properly
* increase mask brightness
* add L2 optimized modes
* fix internal vsync alignment
2017-05-18 23:36:37 +03:00
marqs
2c934c9dd0
Fix line3x 4:3 mode and VGA interlace detection
2017-02-09 23:14:24 +02:00
marqs
6e043ef577
Improve input mode handling
...
* New options and better compatibility for Line5x
* Add support for 960i and 1080i
* Make TVP HPLL2x option user-selectable
2017-02-07 23:04:30 +02:00
marqs
3b19b2843c
Preliminary Line5x implementation
2017-01-29 13:02:12 +02:00
marqs
d41c7522a0
Misc updates
...
* Fix mask placement and make its brightness adjustable
* Line4x
2017-01-24 00:18:15 +02:00
marqs
434186d64e
Improve lo-res mode processing features
...
* workaround for phase shift issue on optimized modes
* add hscale option for 256x240 opt Line3x mode
* distribute video modes to groups and allow passthru for all modes
2017-01-23 00:56:17 +02:00
marqs
d77c293b70
* Clean up some FPGA code
...
* Wrap sampling phase setting
* Enable hal.enable_lightweight_device_driver_api to reduce CPU code size
2016-12-31 14:18:21 +02:00
marqs
03bf4c2c9a
Update to Quartus 16.1.
2016-12-13 20:55:10 +02:00
marqs
d548d53272
Add dedicated SPI mode option to i2c_opencores.
2016-11-05 15:39:36 +02:00
marqs
611c8763c2
Improve SD card IO.
2016-10-27 01:08:23 +03:00
