add Readme

Author: Apaczer

README.md

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+## UAE4ALL
+UAE4All is a "Lite" Amiga Emulator. It is based on E-UAE core and it can utilize FAME for Motorola 68000 microprocessor emulation. It emulates Commodore Amiga 500 hardware with 1 MB Chip RAM, OCS and up to 4 floppy drive, utilizes Cyclone emulator of Motorola 68000 microprocessor for ARM hardware. It emulates most Commodore Amiga 500 hardware.
+
+## UAE4ALL for MiyooCFW
+Revamped version of UAE4ALL for MiyooCFW, supported devices: Bittboy, PocketGo, Powkiddy V90 / Q90 / Q20 etc.
+This build is based of a port to _GCW0_ made by zear & Nebuleon (with smurline and goldmojo changes for other platforms). 
+
+Stock emulator for 1.3.3 MiyooCFW was based (possibly) of upstream by zear (https://github.com/zear/uae4all). Initial (stock) port made by @jamesofarrell, compiled with FAME core (no src available).
+
+This revision replaces FAME mk68 emulation library with UAE core. Major advantages would be wider game compatibility, however some games may produce fps drawback due to UAE being less optimized.
+
+## Compiling instructions
+1. Set up your environment with @steward-fu toolchain (preferably in Debian 9 distro): 
+```
+$ cd
+$ wget https://github.com/steward-fu/miyoo/releases/download/v1.0/toolchain.7z
+$ 7za x toolchain.7z
+$ sudo cp -a miyoo /opt/
+```
+2. Copy this repo & compile
+``` 
+git clone https://github.com/Apaczer/uae4all
+cd uae4all
+make clean
+make -f Makefile.miyoo
+```
+
+## Compatibility list
+There are some drawbacks when FAME is not used:
+- Zool II - less optimized
+- Jim Power - less optimized
+- Xenon II - crashes after sprite collision with bomb
+
+Below titles will play better on UAE core comparable to FAME:
+- SuperFrog - no video jittery on "auto" frameskip
+- Alien Breed - no video jittery on "auto" frameskip
+- JamesPond - boot ups and doesn't crash
+- Great Giana Sisters - boot ups and doesn't crash
+- Nicky II - boot ups and doesn't crash
+- AdamsFamily - no sprite freezes during gameplay