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15 Commits

Author SHA1 Message Date
Tadashi G. Takaoka 5549f35977 Move lowercase conversion to output_util.c 2018-04-03 22:07:07 +09:00
Tadashi G. Takaoka 5b9bdbc2aa Add lowercase_dis option 
The lowercase_dis option, if set to true, changes instruction and
register names of disassembler command to lower case. This can be
matched with hexadecimal dump of raw instruction and address.  It also
matches with GNU debugger and assembler.
 2018-04-02 23:28:11 +09:00
Daniel Beer 057ad4e5e5 dis: fix extension word decoding for PC-relative operands. 
We need to make sure that we perform the offset addition as a 20-bit
operation when an extension word is present.
 2014-05-05 09:39:39 +12:00
Daniel Beer 9c913ee1f6 dis: fix source symbolic mode decoding. 2013-05-27 09:10:51 +12:00
Daniel Beer da3b7e31a2 Partial revert of ce2e0a94f4. 
Jump instruction offsets are relative to start of instruction.
 2013-03-13 10:40:43 +13:00
Daniel Beer ce2e0a94f4 dis: correct offset for symbolic single-operand and jumps. 2013-02-25 15:40:03 +13:00
Daniel Beer e9b6a77414 dis/sim: fix handling of opcodes with two indexed operands. 
If the source operand is indexed, and the destination is symbolic (PC +
index), then the base for the destination index is the program counter
*after* having fetched the source index.

Also, the addition of the index is done modulo 2^16 if the base points
within the lower 64 kB of memory.
 2013-02-11 11:08:43 +13:00
Daniel Beer 65b2e94a2e dis: fix constant generation for single-operand. 
Indexed mode with R3 shouldn't consume an index word, because this is
the combination used for generating the constant #1.
 2013-01-15 11:47:50 +13:00
Peter A. Bigot fc336e78d0 Correct source bits shift offset for non-register extension word 2012-06-28 09:49:42 +12:00
Peter A. Bigot 19dfb6b64c Correct pushm.a count/register adjustment 
The adjustment was applied to the register instead of the count, causing
0x144b to decode as "PUSHM.A #4, R12".
 2012-06-28 09:49:42 +12:00
Peter A. Bigot 25f6df0d0f fix disassembly of 20-bit calla operands 2012-06-05 12:01:53 +12:00
Peter A. Bigot 8fe14ca1da Correct counts in disassembled rxxm/pushm/popm 2012-06-05 12:01:50 +12:00
Tamas TEVESZ d98d990752 Kill unused variables 
Mark those that are unused but can't be killed accordingly.
 2011-11-15 09:26:35 +13:00
Tamas TEVESZ 2fe1580843 Kill "unsigned op 0" comparisons 
- simio/simio.c, simio/simio_gpio.c, simio_timer.c, simio_tracer.c, util/dis.c

Kill unused variables

 - util/expr.c, util/output_util.c
 2011-11-13 16:46:33 +13:00
Daniel Beer d4fee98904 Restructuring: moved low-level utility code to util/ 2011-09-14 16:19:30 +12:00
Renamed from dis.c (Browse further)