30 commits

Author	SHA1	Message	Date
Raphael Jacquot	194415a6ed	cleanups	2019-03-15 13:31:37 +01:00
Raphael Jacquot	f12a74a917	print a "." when the bus is active, but not reading	2019-03-05 06:47:02 +01:00
Raphael Jacquot	9168cbc1a2	victory, this works on the fpga \o/ ... using "=" instead of "<=" is evil ! make the fpga halt when necessary	2019-03-04 22:48:09 +01:00
Raphael Jacquot	4d578f8f18	ok, we're getting somewhere	2019-03-04 21:10:12 +01:00
Raphaël Jacquot	7e0f4a9c0f	change the way clk_en is generated	2019-03-04 19:59:00 +01:00
Raphael Jacquot	6964b72df1	ok. serial sort of works, except it doesn't...	2019-03-04 18:29:00 +01:00
Raphael Jacquot	6f3f3ce73c	debug the seial port	2019-03-04 17:01:59 +01:00
Raphaël Jacquot	7708d7a85c	attached serial port tentative	2019-03-04 14:40:31 +01:00
Raphael Jacquot	383841f89a	make it yet faster	2019-03-04 13:29:03 +01:00
Raphael Jacquot	7c313c3b5d	make it faster yet	2019-03-04 08:56:26 +01:00
Raphael Jacquot	b2811e82eb	too shlow now ... bus halt in simulation only	2019-03-04 08:44:05 +01:00
Raphael Jacquot	12173e72c4	fix forgotten reset ... slow it down some	2019-03-04 08:32:34 +01:00
Raphael Jacquot	39182feaf1	fix miscalculations and typo	2019-03-04 08:23:53 +01:00
Raphael Jacquot	5968e6f00e	1/32s is too fast ;-)	2019-03-04 08:16:27 +01:00
Raphaël Jacquot	e0eecde066	merge	2019-03-04 08:10:53 +01:00
Raphaël Jacquot	009f01f5d7	implement 8[45]x ST=[01] n ... implement GOVLNG dump 2 lines of registers in debugger now	2019-03-04 08:08:02 +01:00
Raphael Jacquot	8cbf9f59a2	make the blinkenlights pretty	2019-03-03 23:24:50 +01:00
Raphael Jacquot	cfd7603e96	we have signal !	2019-03-03 18:22:48 +01:00
Raphael Jacquot	c04c770cba	successfully got the saturn to startup on the ECP5 \o/	2019-03-03 17:29:30 +01:00
Raphael Jacquot	bc25d4a61a	cleanup blinky test	2019-03-03 16:18:30 +01:00
Raphael Jacquot	42e49caca3	cleanup of top	2019-03-03 15:59:02 +01:00
Raphael Jacquot	e192444f51	added a chaser to test the board	2019-03-03 15:46:21 +01:00
Raphaël Jacquot	6dd38500a8	add a counter to slow things down	2019-03-03 15:19:07 +01:00
Raphaël Jacquot	b58be38b10	connect debugger to leds	2019-03-03 13:33:32 +01:00
Raphael Jacquot	a6d5491619	fix the compilation for proper use of clk_25mhz signal as clock	2019-03-03 13:03:36 +01:00
Raphael Jacquot	21ad359673	fix compiling ... fix the way the bus controller program worked, which generated evil inferred latches	2019-03-02 22:33:58 +01:00
Raphael Jacquot	cd2b74dcc8	add some commenting	2019-03-02 15:01:00 +01:00
Raphael Jacquot	8ce2d2a993	implement more of the bus controller	2019-03-02 13:22:09 +01:00
Raphael Jacquot	e761f984c8	implement the basic rom, and add a few things	2019-02-25 09:17:17 +01:00
Raphael Jacquot	8866b8c175	starts complete rewrite	2019-02-24 23:30:57 +01:00