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41978bb08c7c48a8238a8d4067f7995545e5ec90
Commit Graph
34 Commits
Author SHA1 Message Date
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 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 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 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 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 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 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 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 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 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 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 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
jens 444e7530e1 - bugfix: added 'bufchg_irq_en' to 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@643 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 21:50:03 +00:00
jens fcfe1d1d79 - added double buffer 
- added INT_O on buffer change
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@641 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 20:23:11 +00:00
jens 2ab1b93e51 - changed register rudimentary register layout (new offsets!) 
- added new regsiter features: status/ctrl register cursor position, screen resolution


Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@604 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-04 19:31:47 +00:00
jens 7cdf99b1f5 - pulled out clkgen. vga_clk is now provided from higher level 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@583 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-03 20:51:17 +00:00
jens 04e357869f - bugfix: set Pos X/Y : data was not set. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@572 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-02 19:00:37 +00:00
jens b5e1d45b20 - added test color register base + 0x80 
- control signals derived from register file are noe registered for better timing
- mem_offset updated from vga_mem_offset wehn new frame begins
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@459 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-01 19:26:43 +00:00
jens 7d818d0db4 - vga_frontend* used wrong raster coords (y was swapped) - fixed 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@344 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-13 08:51:41 +00:00
jens f0636b8805 - renamed fifo ports 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@301 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-30 21:43:56 +00:00
jens 7cdfa6929d - Intital revision 
git-svn-id: http://moon:8086/svn/vhdl/trunk@109 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-10-25 11:26:06 +00:00