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Code Issues Projects Releases Wiki Activity
7,476 Commits 8 Branches 121 Tags 496 MiB
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Commit Graph

2193 Commits

Author SHA1 Message Date
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
f8c9ef2950 Add necessary header for memset. 2021-03-19 00:00:59 -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
Thomas Harte
404c1f06e6 Insert missing space. 2021-03-18 10:44:01 -04:00
Thomas Harte
730bfcd1fd Stumbles towards a memory map. 2021-03-18 10:43:51 -04:00
Thomas Harte
97249b0edd Slow walks further towards a functioning Spectrum. 2021-03-18 10:18:17 -04:00
Thomas Harte
5a1bda1d82 Performs boilerplate towards a ZX Spectrum class. 2021-03-17 23:38:55 -04:00
Thomas Harte
9bec91c2b9 Correct further namespace references. 2021-03-17 22:56:03 -04:00
Thomas Harte
3d1775d853 Correct namespace. 2021-03-17 22:52:23 -04:00
Thomas Harte
814c057570 Update further path references. 2021-03-17 22:46:25 -04:00
Thomas Harte
b63ca16ce2 Attempts to hatch a Sinclair namespace. 2021-03-17 22:40:29 -04:00
Thomas Harte
cdc19c6990 Adds TODO. 2021-03-15 11:39:15 -04:00
Thomas Harte
1a5dafae00 Slightly neatens. 2021-03-15 11:37:03 -04:00
Thomas Harte
d368dae94a Adds tape motor LED. 2021-03-12 23:09:51 -05:00
Thomas Harte
7d778bc328 Formally introduces fast tape support as an option. 
It doesn't feel that fast yet though.
 2021-03-12 22:57:02 -05:00
Thomas Harte
7a8317ad81 It seems a full CRC is in play. 2021-03-12 22:45:48 -05:00
Thomas Harte
a32a2f36be Advances to correctly reading bytes. 
Something is still amiss though. Maybe I'm supposed to update the checksum?
 2021-03-12 19:15:35 -05:00
Thomas Harte
cd215ef521 Stumbles towards supporting fast tape loading. 
Right now: in a non-optional manner.
 2021-03-12 18:42:17 -05:00
Thomas Harte
67408521cd Makes absolutely sure not to try to use quickboot workaround for Mac 128kb/512kb. 
Albeit that it should be harmless; it's just seeding RAM.
 2021-03-06 22:34:35 -05:00
Thomas Harte
f05260b839 ZX80/1: fix initial key state, wait line when NMI disabled. 2021-03-06 21:59:45 -05:00
Thomas Harte
7b164de6fd Reenables interrupts. 2021-03-06 18:53:39 -05:00
Thomas Harte
24e68166c6 Minor clean-ups of my temporary cruft. 2021-03-06 17:11:06 -05:00
Thomas Harte
b72474f418 Reduces debugging shout outs a touch. 2021-03-03 20:53:05 -05:00
Thomas Harte
38046d49aa Increases debugging noise. 2021-03-03 20:52:14 -05:00
Thomas Harte
4601421aa6 This conditional is gone. 2021-03-03 20:52:01 -05:00
Thomas Harte
2f45e07d82 Further consolidates region map, now that shadowing is orthogonal. 2021-02-28 15:22:36 -05:00
Thomas Harte
496b6b5cfc Introduces a further 128 bits of storage to eliminate the conditional in IsShadowed. 2021-02-28 15:14:32 -05:00
Thomas Harte
8604b1786e Simplifies banks $02+ to a single region. 2021-02-27 23:34:51 -05:00
Thomas Harte
267e28e012 Adds various bits of debugging detritus. 2021-02-27 22:27:57 -05:00
Thomas Harte
631a8a7421 Adds bitset header. 2021-02-27 22:13:49 -05:00