Thomas Harte
|
4b1324de77
|
Takes a run at TRAPV.
... to leave 1466 as the unimplemented count.
|
2019-04-28 15:52:58 -04:00 |
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Thomas Harte
|
8e8dce9bec
|
Attempts an implementation of CHK.
1467 is now the official count of things to implement, though I'm starting to get suspicious.
|
2019-04-28 15:47:21 -04:00 |
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Thomas Harte
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f4350522bf
|
Implements NBCD.
Now outstanding: 1891.
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2019-04-27 21:29:50 -04:00 |
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Thomas Harte
|
e2abb66a11
|
Adds missing addressing modes for ADDA and SUBA.
... reducing missing opcodes to 1941.
|
2019-04-27 17:22:26 -04:00 |
|
Thomas Harte
|
ab5fcab9bf
|
Attempts an implementation of ADDX and SUBX.
Leaving 2005 non-[A/F]-line instructions.
|
2019-04-27 16:57:47 -04:00 |
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Thomas Harte
|
e75b386f7d
|
Attempts DIVU and DIVS.
Reportedly leaving 10965 operations now unimplemented.
|
2019-04-26 22:22:35 -04:00 |
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Thomas Harte
|
796203859f
|
Implements PEA.
This decreases the unimplemented count by 28 from 11841 to 11813.
|
2019-04-26 13:49:59 -04:00 |
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Thomas Harte
|
a3b6d2d16e
|
Corrects test and resolves all instances of opcodes that are valid but shouldn't be.
The converse case will require implementation of the remaining instructions.
|
2019-04-25 22:54:58 -04:00 |
|
Thomas Harte
|
dab9bb6575
|
Implements EXT.
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2019-04-25 18:22:19 -04:00 |
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Thomas Harte
|
c132bda01c
|
Implements MOVE from SR.
|
2019-04-25 14:39:32 -04:00 |
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Thomas Harte
|
4e25bcfcdc
|
Corrects decoding of AND/OR x, Dn.
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2019-04-25 14:19:13 -04:00 |
|
Thomas Harte
|
5725db9234
|
Corrects calculated-address TAS.
|
2019-04-25 12:42:05 -04:00 |
|
Thomas Harte
|
8557e563bc
|
Takes a run at TAS, clarifying bus cycles.
|
2019-04-25 12:19:40 -04:00 |
|
Thomas Harte
|
002796e5f5
|
Takes a run at BSET and BCHG.
|
2019-04-24 23:01:32 -04:00 |
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Thomas Harte
|
582e4acc11
|
Implements ANDI/ORI/EOR to SR/CCR.
|
2019-04-24 17:38:59 -04:00 |
|
Thomas Harte
|
10f75acf71
|
Causes EXG to function.
|
2019-04-24 16:32:16 -04:00 |
|
Thomas Harte
|
75a7f7ab22
|
Inserts missing program fetch for CMPI.bw #, (d8/16...).
|
2019-04-24 14:45:24 -04:00 |
|
Thomas Harte
|
0bb6b498ce
|
Simplifies and fixes post-inc MOVE behaviour.
|
2019-04-24 13:14:25 -04:00 |
|
Thomas Harte
|
958d44a20d
|
Causes SWAP actually to perform.
|
2019-04-24 13:06:12 -04:00 |
|
Thomas Harte
|
bb9424d944
|
Corrects byte increment/decrement actions for A7.
|
2019-04-24 13:01:08 -04:00 |
|
Thomas Harte
|
033b8e6b36
|
ADD/SUBQ #, An shouldn't set flags.
Also, temporarily at least, adds a new means for observing CPU behaviour.
|
2019-04-24 09:59:54 -04:00 |
|
Thomas Harte
|
7c3ea7b2ea
|
Resolves additional byte accesses being signalled as word.
|
2019-04-23 21:23:20 -04:00 |
|
Thomas Harte
|
a08043ae88
|
Ensures that MOVE.b #, (xxx).l writes only a byte.
Also rearranges some of the temporary logging functionality.
|
2019-04-23 19:01:58 -04:00 |
|
Thomas Harte
|
55073b0a52
|
Corrects a bunch of MOVEs to (d8/16, PC/An, [Xn]).
|
2019-04-21 22:55:23 -04:00 |
|
Thomas Harte
|
44eb4e51ed
|
Ensures DBcc properly signals program fetches.
|
2019-04-21 22:54:20 -04:00 |
|
Thomas Harte
|
b78ea7d24c
|
Further simplifies CMPA.
|
2019-04-20 21:23:36 -04:00 |
|
Thomas Harte
|
c66728dce2
|
Corrects decoding of CMPA.
|
2019-04-20 21:21:33 -04:00 |
|
Thomas Harte
|
2cac4b0d74
|
Corrects EA usage for ADDA and SUBA.
|
2019-04-19 23:02:41 -04:00 |
|
Thomas Harte
|
a49f516265
|
Corrects direction of MOVE [to/from] USP.
|
2019-04-19 22:41:06 -04:00 |
|
Thomas Harte
|
9ef7743205
|
Attempts to unify type decoding a little further.
|
2019-04-19 13:29:20 -04:00 |
|
Thomas Harte
|
ee7ae11e90
|
Implements EXG and SWAP.
|
2019-04-19 11:27:43 -04:00 |
|
Thomas Harte
|
f67d7f1db5
|
Adds the final (!) set of missing MOVEs.
|
2019-04-19 11:11:38 -04:00 |
|
Thomas Harte
|
99981751a2
|
Adds the official NOP.
Which is a freebie.
|
2019-04-18 23:46:01 -04:00 |
|
Thomas Harte
|
ffdf02c5df
|
Adds MOVE XXX.lw, -(An)
|
2019-04-18 23:40:54 -04:00 |
|
Thomas Harte
|
27c7d00a05
|
Commutes final missing MOVEs to TODOs.
|
2019-04-18 23:35:32 -04:00 |
|
Thomas Harte
|
64c4137e5b
|
Begins a cleanup procedure on MOVE.
|
2019-04-18 23:25:19 -04:00 |
|
Thomas Harte
|
8c26d0c6e6
|
Makes an attempt at RTE and RTR.
|
2019-04-18 20:50:58 -04:00 |
|
Thomas Harte
|
81dcfd9f85
|
Implements AND, OR and EOR.
As well as introducing a little more nuance to the double-decoding test.
|
2019-04-18 16:34:48 -04:00 |
|
Thomas Harte
|
9334557fbf
|
Added important TODO.
|
2019-04-17 23:12:32 -04:00 |
|
Thomas Harte
|
b09de8efce
|
Attempts to fill in the rest of MOVE x, -(An).
|
2019-04-17 23:05:16 -04:00 |
|
Thomas Harte
|
5a50eb56dd
|
Marginally increases coverage of MOVE x, -(An).
|
2019-04-17 22:30:07 -04:00 |
|
Thomas Harte
|
e49b257e94
|
Takes a run at TRAP.
|
2019-04-17 22:21:56 -04:00 |
|
Thomas Harte
|
b8a0f4e831
|
Implements MOVE to/from USP.
|
2019-04-17 16:58:59 -04:00 |
|
Thomas Harte
|
29f8dcfb40
|
Fixes a bunch of (d16, An)-type MOVEs and implements MOVE (XXX).wl, (d16,An)/etc.
|
2019-04-17 16:13:35 -04:00 |
|
Thomas Harte
|
0c05983617
|
Shortens impact of MULU on the instruction stream to correct parsing.
I need to look into this.
|
2019-04-17 15:15:48 -04:00 |
|
Thomas Harte
|
0bd653708c
|
Corrects MOVE.bw Dn, (An)[+].
|
2019-04-17 14:31:20 -04:00 |
|
Thomas Harte
|
41d800cb63
|
Fixes ADD/SUB Dn,x to use the proper destination value.
|
2019-04-17 10:23:47 -04:00 |
|
Thomas Harte
|
cadc0bd509
|
Mental delusion lifted: JSR doesn't look enough like BSR.
|
2019-04-17 10:02:14 -04:00 |
|
Thomas Harte
|
b64da2710a
|
Corrects a few MOVE #s.
|
2019-04-17 10:00:14 -04:00 |
|
Thomas Harte
|
82b08d0e3a
|
Corrects addressing behaviour of nRd[+-].
|
2019-04-17 08:53:34 -04:00 |
|
Thomas Harte
|
8f77d1831b
|
Implements MULU and MULS.
|
2019-04-16 22:16:43 -04:00 |
|
Thomas Harte
|
be722143e1
|
Completes addressing modes for ADDI/etc/etc.
|
2019-04-16 21:34:16 -04:00 |
|
Thomas Harte
|
d8d974e2d7
|
Consolidates JSR and BSR preparation.
|
2019-04-16 21:29:37 -04:00 |
|
Thomas Harte
|
9b7ca6f271
|
Implements the basics of EORI, ORI, ANDI, SUBI and ADDI.
Also corrects the BSR return address.
|
2019-04-16 19:50:10 -04:00 |
|
Thomas Harte
|
180062c58c
|
Finishes fleshing out [ADD/SUB]Q.
|
2019-04-16 14:28:31 -04:00 |
|
Thomas Harte
|
37656f14d8
|
Adds basic addressing modes for [ADD/SUB]Q.
|
2019-04-16 11:19:45 -04:00 |
|
Thomas Harte
|
dec5535e54
|
Implements (arguably: fixes) BSR.
|
2019-04-15 23:20:36 -04:00 |
|
Thomas Harte
|
1f0e3b157a
|
Corrects a couple of JSR and JMP addressing modes.
|
2019-04-15 22:37:11 -04:00 |
|
Thomas Harte
|
d802e83f49
|
Fills in further MOVEs.
|
2019-04-15 22:25:22 -04:00 |
|
Thomas Harte
|
ebcae25762
|
Adjusts JSR behaviour and further extends MOVE.
|
2019-04-15 22:02:52 -04:00 |
|
Thomas Harte
|
5330267d16
|
Implements BCLR.
|
2019-04-15 18:11:02 -04:00 |
|
Thomas Harte
|
84f4a25bc9
|
Completes TST.
|
2019-04-15 16:28:20 -04:00 |
|
Thomas Harte
|
1460a88bb3
|
Takes a run at JSR and RTS.
|
2019-04-15 15:14:38 -04:00 |
|
Thomas Harte
|
a223cd90a1
|
Adds predecrement TSTs, increases QL running time, reduces logging.
|
2019-04-15 12:36:08 -04:00 |
|
Thomas Harte
|
328d297490
|
Implements the first few addressing modes for TST.
|
2019-04-15 10:03:52 -04:00 |
|
Thomas Harte
|
3d240f3f18
|
Corrects decoding of DBcc.
|
2019-04-15 09:49:23 -04:00 |
|
Thomas Harte
|
45f35236a7
|
Corrects decoding of ADDA and SUBA.
|
2019-04-15 09:44:06 -04:00 |
|
Thomas Harte
|
fba210f7ce
|
Corrects MOVE.l Dn, (An)[+].
|
2019-04-15 09:30:49 -04:00 |
|
Thomas Harte
|
8a09e5fc16
|
Implements Scc.
|
2019-04-14 22:39:13 -04:00 |
|
Thomas Harte
|
1003e70b5e
|
Implements MOVEM to R.
|
2019-04-14 20:02:18 -04:00 |
|
Thomas Harte
|
823f91605b
|
Still slow pedalling slightly, adds further MOVEM storage.
|
2019-04-14 14:31:13 -04:00 |
|
Thomas Harte
|
53f75034fc
|
Commits at least to decoding MOVEM.
|
2019-04-14 14:09:28 -04:00 |
|
Thomas Harte
|
78649a5b54
|
Fleshes out MOVE, (XXX) a little further.
|
2019-04-12 17:16:03 -04:00 |
|
Thomas Harte
|
2ba66c4457
|
Corrects MOVEA, adds extra test safeguards.
|
2019-04-12 16:10:17 -04:00 |
|
Thomas Harte
|
2c78ea1a4e
|
Completes conversion away from magic constants.
|
2019-04-12 15:48:29 -04:00 |
|
Thomas Harte
|
73f50ac44e
|
Commits further to elimination of magic constants.
|
2019-04-12 13:45:28 -04:00 |
|
Thomas Harte
|
1098cd0c6b
|
Begins rooting out magic constants.
|
2019-04-11 22:31:17 -04:00 |
|
Thomas Harte
|
652ebd143c
|
Corrects addressing mode support for LEA.
|
2019-04-11 11:58:34 -04:00 |
|
Thomas Harte
|
43f619a081
|
Implements ASL, ASR, LSL and LSR.
|
2019-04-10 22:31:04 -04:00 |
|
Thomas Harte
|
a07de97df4
|
Implements the fixed part of register shifts.
|
2019-04-09 22:12:37 -04:00 |
|
Thomas Harte
|
7a0319cfe5
|
Kicks the work of dealing with ASL/etc into the runtime.
|
2019-04-09 21:48:08 -04:00 |
|
Thomas Harte
|
f750671f33
|
Stepping gingerly onwards, adds a double-decoding test.
As a result of that, collapses BRA into Bcc. Which provisionally looks correct.
|
2019-04-09 16:54:41 -04:00 |
|
Thomas Harte
|
7886fe677a
|
Cleans up commenting.
|
2019-04-08 22:51:18 -04:00 |
|
Thomas Harte
|
73c027f8e3
|
Implements CMPA and CMPM. [Provisionally] completing the CMPs.
|
2019-04-08 22:40:38 -04:00 |
|
Thomas Harte
|
eda88cc462
|
Implements MOVE to CCR.
|
2019-04-07 22:24:17 -04:00 |
|
Thomas Harte
|
652f4ebfed
|
Implements CLR, NEG, NEGX and NOT.
|
2019-04-07 22:07:39 -04:00 |
|
Thomas Harte
|
06a2f59bd0
|
Implements DBcc.
|
2019-04-06 23:21:01 -04:00 |
|
Thomas Harte
|
03f365e696
|
Corrects source/destination order of CMP setup.
|
2019-04-06 20:00:15 -04:00 |
|
Thomas Harte
|
49a22674ba
|
Corrects MOVE destinations.
|
2019-04-06 18:33:53 -04:00 |
|
Thomas Harte
|
ec494511ec
|
Implements CMP.
|
2019-04-06 10:41:19 -04:00 |
|
Thomas Harte
|
2d153359f8
|
Adds BTST.
|
2019-04-04 21:43:22 -04:00 |
|
Thomas Harte
|
068ce23716
|
Adds a few more MOVEs.
|
2019-04-04 19:49:19 -04:00 |
|
Thomas Harte
|
03be2e3652
|
Adds decoding of ADDA and SUBA.
|
2019-04-03 22:39:01 -04:00 |
|
Thomas Harte
|
4ef2c0bed8
|
Completes ADD and SUB.
|
2019-04-03 21:41:59 -04:00 |
|
Thomas Harte
|
bfd405613c
|
Reuse of addresses is also no longer implicit.
|
2019-04-03 21:27:11 -04:00 |
|
Thomas Harte
|
73e1c8c780
|
Corrects now-unimplemented ADD/SUB.
|
2019-04-03 19:43:54 -04:00 |
|
Thomas Harte
|
689ba1d4a2
|
Effective address adjustments now have to be explicit.
|
2019-04-03 19:13:10 -04:00 |
|
Thomas Harte
|
39b9d00550
|
Moves some way towards mapping out ADD and SUB, fixing a bug with address register modification.
|
2019-04-02 21:50:58 -04:00 |
|
Thomas Harte
|
8f1faefa1c
|
Implements further MOVEs and fixes a potential error in program formation.
|
2019-03-31 22:34:28 -04:00 |
|
Thomas Harte
|
c6f977ed4b
|
Corrects CMPI and documentation; implements JMP.
|
2019-03-31 21:13:26 -04:00 |
|