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4,732 Commits 8 Branches 121 Tags 496 MiB
958d44a20d
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115 Commits

Author SHA1 Message Date
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