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8,131 Commits 7 Branches 121 Tags 500 MiB
e85db40b0f
Commit Graph

2490 Commits

Author SHA1 Message Date
Thomas Harte
e85db40b0f Sketches out a blitter class. 2021-07-22 18:43:07 -04:00
Thomas Harte
b3d55cc16d Adds non-committal reads for some write-only registers. 
The hardware now proceeds to trying to talk to the Blitter. So that's next.
 2021-07-22 16:10:30 -04:00
Thomas Harte
3ee1fc544f Fix: (1) memory base adjustment; (2) out-of-bounds writes. 2021-07-21 21:49:20 -04:00
Thomas Harte
ba2e5a97a9 Provisionally adds a status LED. 2021-07-19 22:31:36 -04:00
Thomas Harte
4515d1220c Switches CIA A/B byte connections; applies reset to memory map. 2021-07-19 22:17:40 -04:00
Thomas Harte
486959bce8 With minor additional logging, it appears the Amiga just keeps resetting itself. 2021-07-19 21:50:35 -04:00
Thomas Harte
e1a410bf3d Further mildly increases logging. 2021-07-19 20:54:32 -04:00
Thomas Harte
3767cc7c0b Increase logging; fix set/clear of interrupt enable mask. 2021-07-19 19:03:37 -04:00
Thomas Harte
96b0ce9ef2 Merge branch 'master' into Amiga 2021-07-18 22:16:05 -04:00
Thomas Harte
cfaf4a8a65 Add advised brackets; clarify type punning. 2021-07-18 22:11:11 -04:00
Thomas Harte
22dd8a8847 Stubs onward to a second endless loop. 2021-07-18 20:55:33 -04:00
Thomas Harte
3e2bac8129 Stubs in enough to get to a permanent loop. 2021-07-18 20:25:43 -04:00
Thomas Harte
c425dec4d5 Makes some attempt to get as far as the overlay being disabled. 2021-07-18 17:17:41 -04:00
Thomas Harte
622cca0acf Adds sufficient address decoding to print a more helpful exit message. 2021-07-18 12:13:56 -04:00
Thomas Harte
48999c03a5 Adds concept of time, captured port handler. 2021-07-18 11:49:10 -04:00
Thomas Harte
b1616be4b8 Gets to what is probably a CIA access? 2021-07-17 21:36:20 -04:00
Thomas Harte
a0a9a72d8f Begins sketching out a memory mapper. 2021-07-17 21:10:06 -04:00
Thomas Harte
f7de6f790c Meanders vaguely towards a memory map. 2021-07-16 21:42:17 -04:00
Thomas Harte
d1f3b5ed80 Obtains a Kickstart ROM, adds a 68000. 2021-07-16 21:07:12 -04:00
Thomas Harte
7925dcc5a2 Advances far enough for the Amiga to be autonomous. 2021-07-16 20:49:12 -04:00
Thomas Harte
6ade36bf09 Adds an empty shell of a machine. 2021-07-16 20:30:48 -04:00
Thomas Harte
5bfedff8d1 Mutate dangling printf to a LOG. 2021-07-16 17:32:05 -04:00
Thomas Harte
b41e29a83b Slows CPC typer to avoid dropped characters. 2021-07-15 21:54:02 -04:00
Thomas Harte
52ea3b741c Introduces a presentation flag for LEDs. 
All existing receivers ignore it.
 2021-07-15 21:26:02 -04:00
Thomas Harte
af1ade9433 Introduces Amiga ROMs to the catalogue. 2021-07-15 21:09:20 -04:00
Thomas Harte
a4c011e3c0 Flip meaning of INT1 input read. 2021-07-09 22:39:51 -04:00
Thomas Harte
6225abd751 Adds 6MHz Enterprise option. 2021-07-07 20:57:04 -04:00
Thomas Harte
0e49258546 Remove caveman debugging. 2021-07-06 23:15:53 -04:00
Thomas Harte
264b8dfb28 Dave: apply ring modulation even in sync mode. 2021-07-06 23:11:30 -04:00
Thomas Harte
5167d256cc Remove detritus. 2021-07-06 22:43:17 -04:00
Thomas Harte
16bd826491 Reduce nesting. 2021-07-06 22:32:59 -04:00
Thomas Harte
55af8fa5d9 Avoid erroneous Nick delays. 2021-07-06 22:28:44 -04:00
Thomas Harte
1ec8ff20af Ensure data bus is 0xff during interrupts. 2021-07-06 21:58:17 -04:00
Thomas Harte
7a673a2448 Avoid confusing temporary storage. 2021-07-06 20:23:09 -04:00
Thomas Harte
33e2a4b21c Minor cleanups. 2021-07-06 20:20:13 -04:00
Thomas Harte
3e6b804896 Switches to linked 1/50/1000 Hz timers, and per-interrupt state toggling. 2021-07-06 20:12:44 -04:00
Thomas Harte
c20e8f4062 Honours 8/12Mhz selection in non-video delays. 2021-07-03 23:05:09 -04:00
Thomas Harte
4add48cffb Obey Dave's 8/12MHz programmable divider. 2021-07-03 22:43:20 -04:00
Thomas Harte
43ceca8711 Use type alias. 2021-07-03 19:10:39 -04:00
Thomas Harte
3ef28a4f03 Remove unused instance variable. 2021-07-03 19:10:29 -04:00
Thomas Harte
5715c9183f The target is now definitely used. 2021-07-03 15:20:37 -04:00
Thomas Harte
196651d9aa Consolidates TODO. 2021-07-03 13:08:53 -04:00
Thomas Harte
6b46212a4e Deal with dangling TODO. 2021-07-03 13:07:41 -04:00
Thomas Harte
2a6fff2008 Takes a stab at what might happen if you read from Nick. 2021-07-03 13:06:07 -04:00
Thomas Harte
c5944efe50 Adds various method definitions. 2021-07-03 12:56:56 -04:00
Thomas Harte
f384370b18 Switch what's left of Enterprise logging to actual LOGs. 2021-07-03 12:50:46 -04:00
Thomas Harte
278671cdb9 Correct Nick interrupt prediction. 2021-07-03 00:05:13 -04:00
Thomas Harte
964d2d4fa4 Be consistent in expression of logic. 2021-07-03 00:00:00 -04:00
Thomas Harte
283092cfbc With a unit test in aid, corrects some lingering TimedInterruptSource issues. 2021-07-02 23:41:19 -04:00
Thomas Harte
614953a222 Allows the low-pass filter to react to high-pass effects. 2021-07-02 22:36:35 -04:00