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7,552 Commits 8 Branches 121 Tags 496 MiB
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Author SHA1 Message Date
Thomas Harte
21b1dab4a5 Adds the ZX Spectrum to Qt's New... menu. 2021-03-21 22:35:46 -04:00
Thomas Harte
dd7419282d Resolves GCC warnings from dangling Apple IIgs work. 2021-03-21 22:25:14 -04:00
Thomas Harte
7562917740 Adds the Spectrum to the macOS New... menu. 2021-03-21 21:50:50 -04:00
Thomas Harte
3925eee575 Attempts more relaxed decoding of AY accesses. 2021-03-21 21:03:35 -04:00
Thomas Harte
6482303063 Reduces code duplication slightly. 2021-03-21 20:34:58 -04:00
Thomas Harte
388b136980 Relaxes test for a valid TAP. 2021-03-21 20:31:09 -04:00
Thomas Harte
9ce1dbaebb Switches to partial decoding for paging registers; permits video address changes after paging is locked. 2021-03-21 20:23:00 -04:00
Thomas Harte
064667c0c3 Corrects asymmetrical flash, ensures consistent burst phase. 2021-03-21 20:22:27 -04:00
Thomas Harte
58be770eaa Factors out some boilerplate. 
When I'm confident this is correct, I can fix up the other call sites.
 2021-03-21 00:14:48 -04:00
Thomas Harte
1b0f45649e Improves contended timing. 
Still not quite on the money, but this was an overt bug.
 2021-03-21 00:00:18 -04:00
Thomas Harte
42bfabbe8c The implication seems to be of a fixed phase swing. 
I'm enquiring further.
 2021-03-20 23:46:13 -04:00
Thomas Harte
986c4006a6 Corrected: PAL machines can now be overt in terms of odd/even colour burst. 2021-03-20 23:45:49 -04:00
Thomas Harte
07a63d62dd Adds some quick arithmetic on the clock speed. 2021-03-20 11:19:44 -04:00
Thomas Harte
26911a16e8 Lengthens sync, better to conform to PAL; experiments with fixed-phase colour burst. 
I need to get hold of real documentation here.
 2021-03-20 10:38:21 -04:00
Thomas Harte
cf9a5d595b Completes piping of audio. 2021-03-19 23:33:46 -04:00
Thomas Harte
09a6a1905b Implements TAP support. 2021-03-19 23:29:09 -04:00
Thomas Harte
2ad2b4384b Introduces a container for ZX Spectrum-style TAPs. 2021-03-19 23:01:49 -04:00
Thomas Harte
7729f1f3d0 Attempts automatic Spectrum tape control. 2021-03-19 22:43:48 -04:00
Thomas Harte
7d59ff6d8f Builds in a colour burst, producing colour composite. 2021-03-19 22:25:37 -04:00
Thomas Harte
2ee478b4c4 Goes some way towards wiring up Spectrum options. 2021-03-19 22:17:20 -04:00
Thomas Harte
bb0d35e3d0 Minor formatting/layout fixes. 2021-03-19 22:17:03 -04:00
Thomas Harte
84774a7910 Update Qt and SDL build files. 2021-03-19 11:19:10 -04:00
Thomas Harte
a482ce1546 Adds a tape player. 2021-03-19 11:12:50 -04:00
Thomas Harte
a35e1f4fbe Starts to make formal Spectrum accommodations. 2021-03-19 11:06:09 -04:00
Thomas Harte
2371048ad1 Formally separates keyboard code. 
With an eye to formalising the Spectrum/ZX81/ZX80 differences.
 2021-03-19 10:36:08 -04:00
Thomas Harte
93b9ea67e6 Takes a run at contended timings. 2021-03-19 08:49:56 -04:00
Thomas Harte
60a0f8e824
Merge pull request #885 from TomHarte/MasterSystemBlue 
Tweak Master System blue scale.
 2021-03-19 08:48:47 -04:00
Thomas Harte
b3fc64d4f2
Merge pull request #884 from MaddTheSane/master 
Minor pokes to the test files code.
 2021-03-19 08:40:16 -04:00
Thomas Harte
650b9a139b Tweak Master System blue scale. 2021-03-19 08:38:21 -04:00
C.W. Betts
5758693b7d Minor pokes to the test files code. 2021-03-19 02:19:49 -06:00
Thomas Harte
f8c9ef2950 Add necessary header for memset. 2021-03-19 00:00:59 -04:00
Thomas Harte
69ca2e8803 Update Xcode project. 2021-03-18 23:52:35 -04:00
Thomas Harte
87fac15cc4 This is going to remain purely a template; no .cpp. 2021-03-18 23:51:45 -04:00
Thomas Harte
2d51924a3c Wires up Spectrum keyboard. 
The machine now appears to be fully interactive and functional. Timing and media aside, that is.
 2021-03-18 23:51:21 -04:00
Thomas Harte
c3d96b30d7 Factors out a little of the ZX81's keyboard logic. 2021-03-18 23:45:57 -04:00
Thomas Harte
44240773ef Corrects address generation, ink/paper selection. 
Seemingly to give a correct +2a boot. Time to add a keyboard and find out, I guess.
 2021-03-18 23:30:48 -04:00
Thomas Harte
ed587a4db5 Provides a better no-port-here value. 2021-03-18 23:14:39 -04:00
Thomas Harte
020a04006e Adds flashing, randomises initial RAM contents. 2021-03-18 23:07:51 -04:00
Thomas Harte
622a8abf7f Takes a stab at pixel output. 2021-03-18 22:57:10 -04:00
Thomas Harte
871bac6c8a Marks out and approximately centres a pixel region. 2021-03-18 22:41:20 -04:00
Thomas Harte
fe3e8f87e7 Takes a shot at an all-border output. 2021-03-18 22:29:24 -04:00
Thomas Harte
87fc7c02e8 Provides a base pointer for video output. 2021-03-18 22:04:41 -04:00
Thomas Harte
f2620e6afb Adds a CRT. Not yet clocked. 2021-03-18 21:54:42 -04:00
Thomas Harte
ab2ad70885 Takes a run at interrupts. 2021-03-18 21:29:52 -04:00
Thomas Harte
135134acfd Adds a shell for video emulation. 2021-03-18 12:47:48 -04:00
Thomas Harte
5664e81d48 It appears the +2a and +3 have a different clock rate. 2021-03-18 12:41:24 -04:00
Thomas Harte
c353923557 This can be constexpr. 2021-03-18 12:40:59 -04:00
Thomas Harte
b830d62850 Adds quick notes on port FE. 2021-03-18 12:32:54 -04:00
Thomas Harte
17f551e89d Attempts a full audio wiring. 2021-03-18 12:23:54 -04:00
Thomas Harte
4a4da90d56 Implements some of the memory map, and instantiates audio objects. 2021-03-18 12:14:48 -04:00