Thomas Harte
205649cac2
Decodes 8e.
2021-01-07 21:36:05 -05:00
Thomas Harte
fd49b72e31
Simplifies macros, implements d0, d1, d2 and d3.
2021-01-07 21:30:01 -05:00
Thomas Harte
995904993d
Fills in 8f, c2, c3, ca and cb.
...
Also switches to RETN and RETF for near/far RET as this seems idiomatic.
2021-01-06 21:18:24 -05:00
Thomas Harte
17cbba85fc
Formalises what's missing in terms of opcodes and fills in some blanks.
2021-01-05 21:47:12 -05:00
Thomas Harte
9d7d45338f
Ostensibly gets the instruction stream correct for test case 1.
...
Subject to operand and displacement currently being absent, and likely inconsistencies in field population, most of which are omitted from the Instruction anyway.
2021-01-05 21:34:35 -05:00
Thomas Harte
3b55d3f158
Nudges up to a need to decode operation from the ModRegRM byte.
2021-01-05 21:25:12 -05:00
Thomas Harte
38bca5f0f0
Finally runs into the wall of trying to merge operands and offsets.
2021-01-03 20:08:13 -05:00
Thomas Harte
782dc3d046
Distinguishes inter- and intra-segment RET.
2021-01-03 19:37:37 -05:00
Thomas Harte
0ae217f51d
Improves exposition, adds decoding of the 0xbx patch of MOVs.
2021-01-03 19:33:16 -05:00
Thomas Harte
adcb2e03e8
Attempts to consolidate source/destination ordering.
2021-01-03 17:28:29 -05:00
Thomas Harte
11b6c1d4b5
Proceeds to three instructions correctly decoded. 'Wow'.
2021-01-03 17:03:50 -05:00
Thomas Harte
1a3effc692
Modifies contract again. This is why I'm doing this now.
2021-01-02 21:19:45 -05:00
Thomas Harte
32c942d154
Muddles drunkenly towards decoding ModRM.
2021-01-02 21:11:19 -05:00
Thomas Harte
9c5dc0ed29
Deferring ModRM work, proceeds to 0x9f.
2021-01-02 19:29:43 -05:00
Thomas Harte
dc9d370952
Does the easier part of the easier half of 8086 decoding.
2021-01-02 19:16:07 -05:00