X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=z80comp2;a=blobdiff_plain;f=README.md;h=c2c153fa31a8346c3c2d504fffd7036b93e1c729;hp=ea7406731b8f6369025d5fdf14169c2ed8094cb7;hb=a0a85eb847ff3bb5da13e78618efdcd1b9f588cf;hpb=b55f31d1ac4a1991f2ad7b2d17be06969ea25e47 diff --git a/README.md b/README.md index ea74067..c2c153f 100644 --- a/README.md +++ b/README.md @@ -1,8 +1,32 @@ -Z80 micro 2 -=========== -This is a simple Z80 computer: +Z80 computer v2 +=============== + +About +----- +This is a simple Z80 computer. Hopefully I'll find a better name for it. - 3.6864 MHz clock (see mc68681 DUART) - 64kb RAM (32kb accessible at any single time) - 32kb ROM - Dual serial UART (mc68681) with CTS/RTS flow control (1x RS232, 1x TTL-level) - Glue logic implemented in a ATF16V8 GAL (glue.pld) + +Directory structure: + - `hw/`: hardware design files, schematic, and GAL equations + - `rom/`: source code of the ROM monitor program + - `emu/`: system emulator + +License +------- +Copyright (C) 2020 John Tsiombikas + +Hardware designs are open hardware, released under the terms of the Creative +Commons Attribution Share-Alike license (CC BY-SA). See `LICENSE.hw` for +details. + +All software and firmware in this project is free software, released under the +terms of the GNU General Public License v3, or at your option any later version +published by the Free Software Foundation. See `LICENSE.sw` for details. + +In short you are free to use, reproduce, modify, and/or redistribute any part of +this project, provided you also extend the same freedom, under the same terms, +to anyone receiving this, or any derivative work based on this, from you.