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79 Commits
Author SHA1 Message Date
jens 8af5e1a8a5 - added extra register for bus master fifos 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1615 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-31 12:07:35 +00:00
jens d8f6070643 - reverted buggy blanking modification 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1604 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-30 15:21:08 +00:00
jens 83315b4c17 - VGA backend: use synchronous resets 
- VGA backend: proc_vga_color_out: keep color signals stable - reduce noise


git-svn-id: http://moon:8086/svn/vhdl/trunk@1595 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-30 07:20:00 +00:00
jens 756dc0ec5a VGA: refactored clocks and resets 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1593 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-30 06:50:08 +00:00
jens d34a85dbd0 - added new VGA time specs 
- fixed ts_vga_800_600_60

git-svn-id: http://moon:8086/svn/vhdl/trunk@1591 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-29 20:06:43 +00:00
jens 2808f7e893 - refactored clockgens 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1582 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-29 16:33:48 +00:00
jens 3b9576c520 - refactored 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1555 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-28 14:56:00 +00:00
jens a8e4af4484 - refactored 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1554 cc03376c-175c-47c8-b038-4cd826a8556b
 2021-03-28 14:36:32 +00:00
jens 69a2ee32a1 [VGA] 
- fixes due to dpram changes


git-svn-id: http://moon:8086/svn/vhdl/trunk@1118 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-17 19:10:49 +00:00
jens 697dc4f0d3 - cleaned up 
- reorderd registers
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@968 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-05-12 17:03:18 +00:00
jens bd6adf0ff7 - increased CMD-FIFO depth to 256 entries 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@967 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-05-11 17:55:35 +00:00
jens 41978bb08c - Bugfix: Registers not correctly update during read 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@961 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-05-11 14:13:44 +00:00
jens f0093103fa - added BLIT command FIFO 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@960 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-05-06 21:52:44 +00:00
jens a2a1d6f5b9 - cleaned up. Not tidy yet. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@959 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-05-05 10:42:17 +00:00
jens e21b4d5e81 - deleted VGA-align-stuff. Never worked. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@958 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-05-05 09:50:53 +00:00
jens 05e18be4e7 - Blitter now works correctly. Supports non-aligned load/store. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@957 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-05-05 09:49:56 +00:00
jens 77e58cfbde Initial revision 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@956 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-04-27 17:46:49 +00:00
jens a6a659904b - weird blitter stuff 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@955 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-04-27 17:46:26 +00:00
jens 2e8a574d88 - m�nor changes 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@954 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-04-27 17:45:02 +00:00
jens 81067ffa84 renamed shifter to align_shifter 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@953 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-04-27 17:44:37 +00:00
jens c36489a1d3 - use registered address DPRAM 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@945 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-02-09 10:42:49 +00:00
jens bf4ba346c0 - uses now new generic DPRAMs 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@941 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-02-09 09:17:40 +00:00
jens e28d864e40 - added bus input FIFO 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@917 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-05-17 08:33:50 +00:00
jens ec301f5710 - added procedures for register R/W 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@916 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-05-16 12:24:07 +00:00
jens 26a0a30fdc - fixed bus-timeout for nx=0 and ny /= 0 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@915 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-05-15 23:43:34 +00:00
jens 66514fbf7c cleaned up 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@914 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-05-15 16:00:13 +00:00
jens dff1254bd9 fixed unaligned src blitter bug 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@913 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-05-15 15:05:35 +00:00
jens 5c37f43fcb Inital version 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@912 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-05-14 17:18:43 +00:00
jens c7f8eea244 - added byte alignment support for blitter 
- added constant color blitting
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@911 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-05-14 17:18:17 +00:00
jens 28056fbdff - added new FIFO generics 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@751 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-12 10:36:50 +00:00
jens 0c50e933f8 - changed frequencies into MHz units (real data type) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@734 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-09 07:50:27 +00:00
jens 9a3aa287fd - register set extended for future extensions 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@691 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-29 16:47:56 +00:00
jens ebf615967c - bugfix: BLIT IRQ-ack had no effect 
- increased BLIT chunk-size to 512 QWORDs
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@690 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-28 20:32:28 +00:00
jens cd8a49ad18 - added blitter loop 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@677 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 22:37:20 +00:00
jens fc1a9e7b3d - blitter FIFO is reseted on every new request 
- blitter always avaliable regardless of MSTEN
- blit writes finish on blit_fifo_empty. Chunk counter only used for reads
- premature finish of blit reads if NX*NY satisfied. No more chunk granularity
- set BLIT_CHUNK_SIZE to 128 double-pixels

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@676 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 22:35:55 +00:00
jens f8c39b3cd4 - added blitter completion interrupt 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@675 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 16:25:00 +00:00
jens 01739e1519 - bugfix blitter reset 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@674 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 15:36:07 +00:00
jens 51f9d7849f - corrected blit NX which has to be divided by 2 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@673 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 15:10:50 +00:00
jens 4ff589039a - set 'f_pxl_clk' of 'ts_vga_testbench' tp 40MHz 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@672 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 13:52:27 +00:00
jens 80e3cad985 - added BLITTER 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@671 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 13:50:47 +00:00
jens 3157b3297b - added BLITTER tests 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@670 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 13:50:34 +00:00
jens 935645a97e - added Blitter registers 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@669 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-21 10:06:51 +00:00
jens 717239c086 - buf_chg_ack also on 'host_fb_back' write 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@668 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-19 20:35:56 +00:00
jens 514f9e0f58 - increased bous-FIFO depth to 2 bits, to avoid bus-stalls 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@667 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-19 20:03:49 +00:00
jens f7cbefef82 - added busout-FIFO for future multi-sourced master capability (VGA-scan, blitter) 
Bus-out FIFO improved timing so much and leads to 300 less Slice - FIFOs are great!
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@666 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-19 10:37:58 +00:00
jens 8982313c71 - removed (quick and dirty) copy of front-Pointer to back-Pointer on buffer change. back-Pointer keeps host written value. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@663 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-15 22:19:36 +00:00
jens 5d23284412 - added RDY generator => SLAVE is not always ready => better test. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@660 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-15 10:17:53 +00:00
jens 9253fd1df8 - minor changes to make ISE meet timing 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@652 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-09 20:29:54 +00:00
jens 9975fbd6cc - changes due to packing of resx, resy and fps into one 32-bit register 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@651 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-09 19:15:25 +00:00
jens 18c24e29f6 - renamed buffers to fb_front and fb_back 
- fb_front is writable by host only if msten = '0'. fb_back is writable by host every time.
- fb_front and fb_back are changed after complete frame. Controller can issue buffer-change Interrupt
- packed resx, resy and fps into one 32-bit register
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@650 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-09 19:14:49 +00:00