Miroirs/hp-saturn
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149 commits 1 branch 0 tags 2 MiB
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19 commits

Author SHA1 Message Date
Raphael Jacquot
01429b4493 tested all the way to cycle 400 where transfers from memory need to be fixed in the bus controller 2019-02-17 21:20:18 +01:00
Raphael Jacquot
0d3c3ecd3e implement CONFIG 
cleanup the bus controller
 2019-02-17 19:29:39 +01:00
Raphael Jacquot
7a3a36bd25 implement the reset bus command 2019-02-17 15:03:36 +01:00
Raphael Jacquot
8fc7cde507 implement the pieces to replicate the bus data transfers for writing data out. 2019-02-17 12:05:38 +01:00
Raphael Jacquot
500e013bf5 start on the bus controller 2019-02-16 22:38:44 +01:00
Raphael Jacquot
781d15e0c7 hide some display instructions 2019-02-16 12:26:24 +01:00
Raphael Jacquot
ea3f53f70d implement calculations for # test 
modify calculations for the unconditional jump and reload PC condition
 2019-02-16 12:17:40 +01:00
Raphael Jacquot
06f79dca88 implemented decoding of 8Ax block, equality and inequality tests over 
field A. needs implementing the actual ALU op
implemented RTNYES/GOYES((not totally finished)
RTNYES works
need to find an actual GOYES to test that
 2019-02-16 11:08:34 +01:00
Raphael Jacquot
ef90d32971 handle block Cx 
add some code to handle goyes / rtnyes after the tests
 2019-02-16 07:35:06 +01:00
Raphael Jacquot
551b618098 fix driver conflicts 2019-02-15 17:23:07 +01:00
Raphael Jacquot
44ca0f4a15 fix driver conflict bug 
implement exch in ALU
fix jump base calculations
correct some things in debugger
fix fields and registers for some instructions
 2019-02-15 16:58:38 +01:00
Raphael Jacquot
3c44b2ae71 cleanup and a few renames 2019-02-15 11:55:58 +01:00
Raphael Jacquot
343f1e2247 separate block 8 as it's going to be rather large 2019-02-15 11:04:01 +01:00
Raphael Jacquot
25385115e0 separate the decoder in multiple files, it was becoming unwiedly ;-) 2019-02-15 10:47:00 +01:00
Raphael Jacquot
1f01d9bdb9 implement block Abx 2019-02-15 09:01:57 +01:00
Raphael Jacquot
ff021e7618 add a feature to complain about not documented things 
start of handling Ax block
 2019-02-15 07:09:07 +01:00
Raphael Jacquot
96daffd25c implement CLRHST and friends 2019-02-14 22:54:54 +01:00
Raphael Jacquot
4b7e59fa21 implement more instructions 2019-02-14 22:14:52 +01:00
Raphael Jacquot
94ab98a175 remove old useless code 
fix some verilator reported bugs
 2019-02-14 15:27:17 +01:00
Renamed from saturn-decoder.v (Browse further)