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README.md; Comments

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README.md
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@@ -734,11 +734,11 @@ Copyright © 1999-2022 Manuel Sainz de Baranda y Goñi.
<img src="http://zxe.io/software/Z80/images/lgplv3-147x51.png" align="right">
This emulator is [free software](https://www.gnu.org/philosophy/free-sw.html): you can redistribute it and/or modify it under the terms of the **[GNU Lesser General Public License](https://www.gnu.org/licenses/lgpl-3.0.en.html)** as published by the [Free Software Foundation](https://www.fsf.org), either version 3 of the License, or (at your option) any later version.
This library is [free software](https://www.gnu.org/philosophy/free-sw.html): you can redistribute it and/or modify it under the terms of the **[GNU Lesser General Public License](https://www.gnu.org/licenses/lgpl-3.0.en.html)** as published by the [Free Software Foundation](https://www.fsf.org), either version 3 of the License, or (at your option) any later version.
This emulator is distributed in the hope that it will be useful, but **WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE**. See the GNU Lesser General Public License for more details.
This library is distributed in the hope that it will be useful, but **WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE**. See the GNU Lesser General Public License for more details.
You should have received a [copy](COPYING.LESSER) of the GNU Lesser General Public License along with this emulator. If not, see <https://www.gnu.org/licenses/>.
You should have received a [copy](COPYING.LESSER) of the GNU Lesser General Public License along with this library. If not, see <https://www.gnu.org/licenses/>.
# Special licensing

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sources/Z80.c
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@@ -2159,12 +2159,9 @@ Z80_API zusize z80_run(Z80 *self, zusize cycles)
| original state of IFF1. |
| |
| Some technical documents from Zilog include an erroneous timing diagram |
| showing an NMI acknowledge cycle of 4 T-states. In particular, "The Z80 |
| Family Program Interrupt Structure" and all versions of "Z80 Family: CPU |
| User Manual". Other documents from Zilog, as well as practically all the |
| existing literature about the Z80 from different manufacturers and third |
| parties, specify that this M-cycle has 5 T-states, as has been confirmed |
| by electronic simulations [1]. |
| showing an NMI acknowledge cycle of 4 T-states. However, documents from |
| other manufacturers and third parties specify that this M-cycle has 5 |
| T-states, as has been confirmed by electronic simulations [1]. |
| |
| References: |
| 1. Checked with "Visual Z80 Remix" |