Miroirs/hp-saturn
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293 commits 1 branch 0 tags 2 MiB
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23 commits

Author SHA1 Message Date
Raphael Jacquot
1771536ca0 implement block_15x 2019-03-15 20:42:51 +01:00
Raphael Jacquot
e9e7a6a5f0 add nice message for rom on CONFIGURE command 2019-03-15 10:20:21 +01:00
Raphael Jacquot
2a4d684d0e fis typo 2019-03-15 07:13:20 +01:00
Raphael Jacquot
e97ec2243f pipelining of reading from rom 2019-03-14 14:33:28 +01:00
Raphael Jacquot
c30b96d1af fix an unused warning 2019-03-14 13:49:38 +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
6964b72df1 ok. serial sort of works, except it doesn't... 2019-03-04 18:29:00 +01:00
Raphaël Jacquot
dd16719a42 recognize PC_READ command 2019-03-04 10:15:27 +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
Raphaël Jacquot
d17a4eb533 cleanup 2019-03-03 20:48:48 +01:00
Raphaël Jacquot
6dd38500a8 add a counter to slow things down 2019-03-03 15:19:07 +01:00
Raphael Jacquot
9cb1618acb fix the rom module for proper bram generation 2019-03-03 13:03:12 +01:00
Raphaël Jacquot
391e5b6e93 change address bits to 12 (4096*4) 2019-03-03 10:27:31 +01:00
Raphael Jacquot
ae17cd1361 cleanup the rom 2019-03-03 10:24:53 +01:00
Raphaël Jacquot
2cab45a6ff remove the reset on the rom access, doesn't work 2019-03-03 10:08:26 +01:00
Raphaël Jacquot
eeb5150159 add the beginnings of a PC and RSTK handler 
fix bad maths in the rom-gx-r module
wire in the PC in the debugger and the control unit
add an execute flag, to start execution of partially
decoded instructions that need reading data from the
instruction stream
 2019-03-03 09:33:42 +01:00
Raphaël Jacquot
6c371cf203 increase ROMBITS to fully utilize one memory block 2019-03-03 08:09:33 +01:00
Raphael Jacquot
8fb7ad0eac try async version of reading rom... inconclusive 2019-03-03 08:03:43 +01:00
Raphael Jacquot
ff04360005 fix missing declaration 
fix driver conflict
 2019-03-03 07:31:18 +01:00
Raphaël Jacquot
b3d72c1d3b add some more debugging functionnality 
segregate reading of the rom in it's own little world
 2019-03-03 07:25:22 +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
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