First start by installing the needed software on your computer.
apt -y install build-essential pkg-config git libusb-1.0-0-dev
Next download, compile, & install the minipro software
cd && rm -rf minipro
git clone https://gitlab.com/DavidGriffith/minipro.git && \
cd minipro && make && make install
Next download, compile, & install the vasm software
cd && rm -rf vasm
wget -c http://sun.hasenbraten.de/vasm/release/vasm.tar.gz && \
tar -xzf vasm.tar.gz && cd vasm/ && make CPU=6502 SYNTAX=oldstyle && \
cp vasm6502_oldstyle /usr/local/bin/
Next download the source hello-world.s file
cd; wget https://eater.net/downloads/hello-world-final.s
Now you can compile the source of the hello-world.s file
vasm6502_oldstyle -dotdir -Fbin hello-world-final.s
Check out the out put file
hexdump -C a.out
upload it to the eprom
minipro -p AT28C256 -w a.out