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7,137 Commits 7 Branches 121 Tags 500 MiB
24fcb0c24b
Commit Graph

2064 Commits

Author SHA1 Message Date
Thomas Harte
24fcb0c24b Corrects video counter values. 
The built-in speed test now passes.
 2020-12-01 18:35:55 -05:00
Thomas Harte
03e2b6a265 Makes a slightly more rigorous attempt at discerning 1Mhz and 2.8Mhz operation. 2020-12-01 17:46:30 -05:00
Thomas Harte
ee22cf7ca1 Ensures that PAGE2 propagates from the state register to video. 2020-11-30 22:56:19 -05:00
Thomas Harte
187f507532 The soft switch is LCBANK2, not LCBANK1. 
[This also jimmys the IIgs into always entering its extended self test, for now]
 2020-11-30 22:35:51 -05:00
Thomas Harte
6000bd3a5e Adds a bonus debugging assert. Let's see. 2020-11-30 18:15:02 -05:00
Thomas Harte
87069da3dd Improves exposition, eliminates a couple of redundant map adjustments. 2020-11-30 18:07:03 -05:00
Thomas Harte
5cb4077576 Switches from modulo to and. 2020-11-30 17:47:57 -05:00
Thomas Harte
e9c7e0b9dd Provisionally reverses meaning of language card RAM bank select. 2020-11-29 21:57:17 -05:00
Thomas Harte
35aa7612bb Ensures that auxiliary/language-card soft switches don't trigger my assert. 2020-11-29 21:32:24 -05:00
Thomas Harte
acaa841822 Adds guaranteed trip to ROM for vector pulls. 2020-11-29 21:29:15 -05:00
Thomas Harte
46c1c9b5ee CLRVBLINT calls it 3.75Hz. Which makes the arithmetic nicer. 2020-11-29 21:25:06 -05:00
Thomas Harte
4bdbca64b2 Takes a shot at the Mega II-style video interrupts. 2020-11-29 21:21:46 -05:00
Thomas Harte
11fe8ab6db Corrects counter scales, adds a read for $c032. 
Albeit that I have no idea what that's supposed to read as.
 2020-11-29 20:08:59 -05:00
Thomas Harte
a9ce43d244 Takes a shot at the two video counter registers. 2020-11-29 19:57:35 -05:00
Thomas Harte
091bce9350 Merge branch 'master' into AppleIIgs 2020-11-29 00:09:20 -05:00
Thomas Harte
a965c8de9f Resolves intended reset_all_keys. 2020-11-27 21:53:34 -05:00
Thomas Harte
79ef026b93 Allows machines to declare a preference for logical input. 
It's only a preference, and the Apple II does prefer it.
 2020-11-27 21:00:48 -05:00
Thomas Harte
a4ab5b0b49 Does a better job of ensuring sensible key mappings. 2020-11-27 20:49:38 -05:00
Thomas Harte
310282b7c9
Ensures extra_border_length always has a defined value. 2020-11-27 10:31:04 -05:00
Thomas Harte
af667c718e Gets a bit more rigorous in remaining missing parts. 2020-11-26 22:36:32 -05:00
Thomas Harte
950f5b1691 Closes the loop on interrupts. 2020-11-26 19:56:42 -05:00
Thomas Harte
cbc0d848ad Implements most of get_data. 2020-11-26 17:25:27 -05:00
Thomas Harte
f4d13d1f6f Takes a run at the bus side of honouring Ensoniq sequence points. 2020-11-26 17:14:46 -05:00
Thomas Harte
6808ad6f5d Adds a getter for the interrupt line. 2020-11-26 16:44:35 -05:00
Thomas Harte
7a8920ee38 Takes a stab at next_sequence_point. 2020-11-26 16:41:11 -05:00
Thomas Harte
4870506f6e Implements skip_audio. 2020-11-26 16:24:48 -05:00
Thomas Harte
6f47f9d67c Corrects placement of address bits. 2020-11-26 16:15:40 -05:00
Thomas Harte
8093f67173 Ensures video interrupts can't be missed by a suitably-timed access. 2020-11-26 16:11:03 -05:00
Thomas Harte
72884f37c3 It's still interrupt-deficient, but fills in additional Ensoniq audio generation. 2020-11-26 16:03:28 -05:00
Thomas Harte
8edb3fcd5f Attempts to obey accumulator size in determining sample end. 2020-11-26 15:07:29 -05:00
Thomas Harte
fdd102df52 Resolves border colour resets. 2020-11-26 13:13:48 -05:00
Thomas Harte
03a893dc74 Quick refactor: this clearly isn't a VideoBase, it's the full implementation. 2020-11-26 12:54:20 -05:00
Thomas Harte
56de2512ae Adds a further safety assert. 2020-11-25 23:34:30 -05:00
Thomas Harte
cdc2311045 Enables fuzzing, adds a definite no-op write. 2020-11-25 23:33:55 -05:00
Thomas Harte
eec27c3406 Reaches for marginally more coherent ADB data. 2020-11-25 17:34:00 -05:00
Thomas Harte
098a22aa95
Avoid out-of-bounds access of double_bytes. 2020-11-24 09:38:07 -05:00
Thomas Harte
7ede3d2b9e Corrects collection of palettes other than palette 0. 2020-11-23 21:00:26 -05:00
Thomas Harte
e7160fe3c3 Rounds out the IIgs video hardware, bugs aside. 2020-11-23 20:58:32 -05:00
Thomas Harte
9d61665014 Attempts to add colour double [low/high] resolution output. 2020-11-23 19:05:18 -05:00
Thomas Harte
d2938ad7c8 Eliminate magic constants. 2020-11-23 18:36:44 -05:00
Thomas Harte
46f7ff07f7 Adds support for fill mode. 2020-11-22 21:55:21 -05:00
Thomas Harte
8ace258fbc Tackles outstanding GCC warnings. 2020-11-22 21:43:56 -05:00
Thomas Harte
a34f294ba8 Pulls out commonalities re: NTSC colour, ensures mixed modes on a line works. 2020-11-22 21:29:40 -05:00
Thomas Harte
cd7d080b7a Corrects low-resolution mode. 2020-11-22 20:52:42 -05:00
Thomas Harte
b0936b6ef4 Resolves high-resolution output. 
Yet to optimise, but working.
 2020-11-22 19:10:05 -05:00
Thomas Harte
8fae74f93e Reintroduces delay bit, reverses phase. 
There are stray columns of errors, but otherwise this is almost correct.
 2020-11-22 11:06:14 -05:00
Thomas Harte
fca48e4b66 Makes hasty attempt to shift 'NTSC' in the most natural direction. 2020-11-21 23:39:58 -05:00
Thomas Harte
3b2ea37428 Slightly cleans up. 2020-11-21 22:53:26 -05:00
Thomas Harte
3cba3a5ac0 Corrects card mask test outside of bank $00. 2020-11-21 22:22:27 -05:00
Thomas Harte
4b024c5787 Starts to make some attempt at classic II modes. 2020-11-21 18:07:51 -05:00