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836e446d8bfbdd7ac55eb2e8876d96678e2de392
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Author SHA1 Message Date
jens 836e446d8b Initial 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@688 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-27 08:30:51 +00:00
jens bc956a5d36 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@687 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-27 08:30:39 +00:00
jens 94d1cca7d4 - overwrite src-DIR with tmpl/tb_mips_top.vhd 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@686 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-27 08:30:33 +00:00
jens 250b732037 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@685 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-25 08:21:36 +00:00
jens f33f341adb update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@684 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 12:06:21 +00:00
jens 58316c2141 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@683 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 11:35:33 +00:00
jens 1f387fdd75 - Loads image for bugfix: instructions uncached LW => cached LW (with cache-miss) was buggy. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@682 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 11:35:08 +00:00
jens 21b41da6e2 - bugfix: instructions uncached LW => cached LW (with cache-miss) was buggy. 
Symptoms:
  ...
1.: lw     $a0, 32($s0)  # Uncached load from memory mapped I/O
2.: lw     $a2, 4($v0)   # Cached load and cache-miss.
                                  # $a0 receives same value as $a2.
                                  # CPU skips writing $a0 due to busy flag of D-Cache,
                                  # which is already active in the previous cycle
...

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@681 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 11:33:37 +00:00
jens 3eef19bb28 - removed unused 'en' pin. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@680 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 11:30:36 +00:00
jens c0592b8ef4 - added full support for VGA-master 64-bit read/write to SDRAM 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@679 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 22:38:25 +00:00
jens c752d0a463 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@678 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-22 22:37:29 +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 ffdc36ef4e - added sync FIFO for busout-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@665 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-19 10:35:52 +00:00
jens 196633c670 Initial 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@664 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-18 08:11:22 +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 76baac4f8c - relaxed VGA period to 8 ns. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@662 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-15 22:01:46 +00:00
jens a6129174e5 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@661 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-15 10:21:45 +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 07a03b76f3 - removed 'sdr_data_req_r' 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@659 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-15 10:10:28 +00:00
jens 974b6bfb14 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@658 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-11 10:29:31 +00:00
jens c30d40d42b update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@657 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-11 10:26:37 +00:00
jens 9ba64d156f update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@656 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-11 08:18:17 +00:00
jens 9b5fb2ad78 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@655 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-11 07:44:55 +00:00
jens 593390a93d - changed register defines to UPPER-CASE 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@654 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-09 20:36:16 +00:00
jens 576357a4d4 - removed btn-east for hard-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@653 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-09 20:30:32 +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
jens 5fbb10f98d update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@649 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-09 19:13:48 +00:00
jens ec59074ba6 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@648 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 22:32:36 +00:00
jens 084ed1064a update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@647 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 22:30:30 +00:00
jens de99799f14 - minor 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@646 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 21:53:11 +00:00
jens fd0896f374 - added INT_O line for VGA 
- mapped VGA-Int to IRQ5
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@645 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 21:51:06 +00:00
jens f0ad8cc351 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@644 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 21:50:11 +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 618e8b54b0 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@642 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 20:23:22 +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 c465b190a0 Initial 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@640 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 13:07:55 +00:00
jens 9413b8d798 - changed register defines to UPPER-CASE 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@639 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-08 13:06:12 +00:00