Trying out the Lion CPU/Computer on the MiSTer FPGA.

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Published on ● Video Link: https://www.youtube.com/watch?v=V8jihYURS5Q



Game:
Galaxians (1982)
Duration: 4:23
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Links are in the description.
A 16-bit FPGA CPU called the Lion computer. Everything built from scratch by Leon
CPU : Lion 16bit @50Mhz
Game Played: Galaxians clone
More info and link to the Core: https://hackaday.io/project/162876-lion-fpga-cpucomputer
Forum Discussion: http://www.atari-forum.com/viewtopic.php?f=117&t=38626
Github: https://github.com/lliont/Lionasm
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Readme.txt for the MiSTer:
Lion core for MiSTer board

Lion core requires the io-board addon card and an SD card.

Lionsystem.rbf is the file that contains Lion core that must be copied to the MiSTer SD card

For Lion to boot you must create and format one fat (fat16) partition in the sd card with max size 30MB.
Put it in the second sd card slot (the one in the io card).
Then copy the contents of the Lion_sd folder to the root directory of this partition and you are ready.

BOOT.BIN is the Lion Tiny Basic that is loaded automatically

BAS programs run using LOAD "fname" (fname without the .BAS extension) and then RUN

BIN programms run using LCODE "fname",BTOP (fname without the .BIN extension) and then RCODE BTOP

some programs with graphics (i.e. the 2 games) run better or at all, at mode 1, so you type MODE 1 before running them
and others at mode 0 so type MODE 0.

VGA output is a bit reddish I don't know why but I have a theory
HDMI is better but both outputs are darker than in real Lion computer, I'll see if I can fix in the future.

Most things work ok but there is no auto-repeat in the keyboard so to play games you need a joystick,
also, there is no serial port and XY-Display support as in the original Lion.

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Sorgelig's MiSTer Cores:
https://github.com/MiSTer-devel

MiSTer RGB/15 kHz list:
https://docs.google.com/spreadsheets/d/1-Le6cJ0Fzxgo3pglolequL6Fq1WynjaPWTT_jkZlBbI/edit#gid=159294492

Mister FPGA Wiki Project:
https://github.com/MiSTer-devel/Main_MiSTer/wiki

Mister Forum discussion:
https://misterfpga.org/

MiSTer Facebook Group:
https://www.facebook.com/groups/1870135613286506/







Tags:
MiSTer FPGA
FPGA
DE10-nano
Lion FPGA
Computer FPGA
PC FPGA
Galaxians
Theodoulos Liontakis