6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-02 02:49:28 +00:00
Code Issues Projects Releases Wiki Activity
4,881 Commits 10 Branches 121 Tags 498 MiB
983407896c
Commit Graph

4881 Commits

This Branch
This Branch
All Branches
Author SHA1 Message Date
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
892476973b Attempts RO{X}[L/R]. 2019-04-15 17:31:58 -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
62e4c23961 Corrects memory map, causing the RAM test no longer to fail. 2019-04-15 13:03:32 -04:00
Thomas Harte
d25ab35d58 Finally gets setw usage correct. 2019-04-15 12:41:56 -04:00
Thomas Harte
a223cd90a1 Adds predecrement TSTs, increases QL running time, reduces logging. 2019-04-15 12:36:08 -04:00
Thomas Harte
aef92ba29c Corrects immediate shift count. 2019-04-15 12:25:45 -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
52e33e861c Starts to introduce the QL as a second source for 68000 testing. 
It's advantageous over the ST in that a commented disassembly of the ROM is available.
 2019-04-14 22:15:09 -04:00
Thomas Harte
75d8824e6b Eliminates implicit type conversion. 2019-04-14 21:02:28 -04:00
Thomas Harte
325af677d3 Implements MOVEM to M with an implicit type conversion. 2019-04-14 20:53:27 -04:00
Thomas Harte
1003e70b5e Implements MOVEM to R. 2019-04-14 20:02:18 -04:00
Thomas Harte
d70229201d Advances right up to the lack of MOVEM actions being the final piece. 2019-04-14 14:45:29 -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
f48db625a0 Corrects write-back and zero flag for ADD/SUB.l. 2019-04-12 16:41:00 -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
9ce48953c1 Improves debugging printout. 2019-04-12 13:45:03 -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
8e9d7c0f40 Corrects register-relative address calculation. 2019-04-10 23:09:03 -04:00
Thomas Harte
a64948a2ba Permits zero-bus-op non-terminals. 2019-04-10 22:42:43 -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
85d25068a8 Attempts a full implementation of memory shifts. 2019-04-09 22:04:25 -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
0af57806da Adds a hard-coded value sufficient to advance in TOS startup. 2019-04-06 20:00:34 -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
af02ce9c6e Attempts to correct various instances of PC-relative addressing. 2019-04-05 23:49:13 -04:00