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| Guest98 | folks, I wanted to create something like shell on FPGA. There is some term like character generator which is used to create characters | 10:35 |
|---|---|---|
| Guest98 | So I input k from keyboard and character generator takes this character and supposedly puts it on vga screen | 10:35 |
| Guest98 | Can someone name that term? Is it 'character generator'? | 10:35 |
| Guest98 | Someone also gave me a repo which he/she had coded in vhdl, gitlab repo. | 10:35 |
| xiretza[m] | you will probably want a text buffer that contains code points (one for each character position on screen), a font that maps code points to pixel values, and something that builds scan lines by combining the code point from the text buffer with the pixel data from the font | 10:52 |
| Guest98 | https://github.com/Derek-X-Wang/VGA-Text-Generator/tree/master/VGA-Text-Generator.srcs/sources_1/new | 10:54 |
| Guest98 | I found this. Thanks. Can I work with vhdl and verilog both in symbiflow? | 10:54 |
| Guest98 | Since above code is in vhdl. I work with verilog for yosys -> nextpnr -> icestorm toolchain. | 10:55 |
| xiretza[m] | you can use GHDL to feed VHDL into yosys | 10:56 |
| gatecat | https://github.com/AndresNavarro82/vt52-fpga might also be interesting to you | 10:57 |
| xiretza[m] | oh damn, fancy | 10:57 |
| Guest98 | fantastic. Thanks a ton gatecat. On top of that it's GPLv3 licensed! Wow! | 10:59 |
| Guest98 | Can I take this code and license a derivative code with AGPLv3? | 11:02 |
| Guest98 | Or must I have GPLv3? | 11:02 |
| gatecat | neither a lawyer nor the author of that code, but aiui the legal situation of copyleft licenses in respect of gateware is very unclear in any event | 11:07 |
| Guest98 | aiui? | 11:08 |
| Guest98 | found this https://softwareengineering.stackexchange.com/questions/66254/can-a-user-relicense-lgpl-as-gpl-or-gpl-as-agpl | 11:08 |
| tpb | Title: licensing - Can a user relicense LGPL as GPL or GPL as AGPL? - Software Engineering Stack Exchange (at softwareengineering.stackexchange.com) | 11:08 |
| tnt | Guest98: yes, resulting derived work would be agpl. | 11:08 |
| Guest98 | thanks tnt :) | 11:09 |
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