GAL programming

Programmer	XGecu (TL866*)
GAL	Lattice GAL16V8-35LP

Workstation OS	Linux
GAL compiler software	GALasm
Programmer software	minipro

Example project	Basic inverter (Hello world)

Source

GAL16V8
hello
BTN NC  NC NC NC NC NC NC NC GND
NC  OUT NC NC NC NC NC NC NC VCC

OUT = /BTN

DESCRIPTION

Compile command used

galasm hello.gal
tr -d '\015' < hello.jed > hello.ujed

[ or makefile ]

GALIC=GAL16V8
all:	hello.ujed

%.ujed: %.gal
	galasm $<
        tr -d '\015' <$(@:.ujed=.jed) >$@
        upload: erase
    	minipro -p $(GALIC) -w $(file)

erase:
	minipro -p $(GALIC) -E

clean:
	rm *.jed *.pin *.fus *.chp

.phony: all

make && make upload file=hello.ujed

Programming command / settings used

minipro -p GAL16V8 -w hello.ujed

Schematic

Operation / test procedure

- Wire GAL

- Power it up, the LED should be on
- Push button, the LED should go out when pin 1 goes low.
- If that is the case, congratulations, You have just made your first working programmable logic device circuit.

Polprog / Rue Mohr