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Author SHA1 Message Date
Thomas Harte
bd54e30748 Adds workaround for Sweet 16, which can produce bad data. 2021-02-16 22:21:10 -05:00
Thomas Harte
35be402354 Improve sanity check. 2021-02-16 19:47:25 -05:00
Thomas Harte
28bd620e7f Adds joystick support to the IIgs. 2021-02-16 19:39:22 -05:00
Thomas Harte
96f2d802d9 Adds a safeguard against undefined behaviour in the debugger. 2021-02-16 19:17:54 -05:00
Thomas Harte
b117df3367 Factors out joystick logic. 2021-02-16 19:17:32 -05:00
Thomas Harte
fa8236741d Takes a shot at an ADB mouse. 2021-02-15 20:49:16 -05:00
Thomas Harte
e16d5f33d1 Adds service requests. The microcontroller now appears to consume keyboard events. 2021-02-15 20:33:10 -05:00
Thomas Harte
2a45e7a8d4 Slows timer X, to what may or may not be correct. 2021-02-15 16:40:27 -05:00
Thomas Harte
f8f0ff0fae Add timer X counting. 
Still no interrupts.
 2021-02-15 16:29:25 -05:00
Thomas Harte
f5dcff2f29 Honours interrupt vector. 2021-02-15 15:05:56 -05:00
Thomas Harte
e773b331cd Implements register 2 listen. 2021-02-15 15:05:46 -05:00
Thomas Harte
99c21925f4 Makes attempt at keyboard mapping. 2021-02-15 15:00:12 -05:00
Thomas Harte
eccf5ca043 Makes first effort to wire up the ADB vertical blank input. 
However: looking at the disassembly, I'm not sure it really is wired to INTR. So work to do.
 2021-02-14 22:20:58 -05:00
Thomas Harte
24af62a3e5 Sets a default handler of 1. 2021-02-14 22:20:07 -05:00
Thomas Harte
52cf15c3e6 Attempts to route out modifier state. 2021-02-14 21:15:31 -05:00
Thomas Harte
a791680e6f Implements set_status as per advice. 2021-02-14 21:04:20 -05:00
Thomas Harte
a3e98907ca Removes temporary printf. 2021-02-14 21:03:54 -05:00
Thomas Harte
6e53b4c507 Corrects centralised ADB decoder. 
I still think it's appropriate to do this in only a single place, given that using it is optional.
 2021-02-14 20:41:05 -05:00
Thomas Harte
52c38e72f6 Starts seeking to automate register 3 handling. 
Immediate pitfall: byte capture on the bus side isn't working correctly.
 2021-02-14 20:37:33 -05:00
Thomas Harte
a51d143c35 Corrects reactive-device transmission logic. 
Albeit that I'm still not properly responding to register 3 stuff, so the ADB bus needn't believe anything is out there. Also, without VSYNC being piped to the microcontroller it may well just not be polling anyway.
 2021-02-14 18:54:22 -05:00
Thomas Harte
17e9305282 Starts adding a keyboard. 2021-02-13 23:16:45 -05:00
Thomas Harte
c284b34003 Resolves inability of ADB microcontroller to read its own ROM (!) 2021-02-13 17:53:40 -05:00
Thomas Harte
2ab3bba695 Attempts GLU register latching, restoring expected startup sequence. 2021-02-13 17:38:42 -05:00
Thomas Harte
2c4dcf8843 Edges towards implementing an ADB device. 2021-02-12 21:50:24 -05:00
Thomas Harte
ea40b2c982 Takes a stab at implementing device response. 2021-02-12 18:56:43 -05:00
Thomas Harte
adfdfa205f Starts to establish the means by which I'll implement ADB devices. 2021-02-12 18:42:12 -05:00
Thomas Harte
e83b2120ce Tidies up, allows Operations and AddressingModes to be posted directly to ostreams. 2021-02-10 21:46:56 -05:00
Thomas Harte
33abdc95aa Adds a helper for decoding ADB commands. 
Still very noticeably to do: any sort of standard part for devices to respond to the bus.
 2021-02-10 21:39:33 -05:00
Thomas Harte
6ca8aa99fc Commit SDL and Qt project files; improve commenting. 2021-02-10 21:28:32 -05:00
Thomas Harte
17bac4c8cf Starts to formalise the ADB bus. 2021-02-10 21:24:31 -05:00
Thomas Harte
46bd20b5e0 Attempts to simplify ADB bit parsing. 
On-line output still looks reasonable, albeit that the microcontroller suddenly seems to be interested in devices F and 3 rather than 2 and 3.
 2021-02-08 22:08:49 -05:00
Thomas Harte
3c7f9a43ad Merge branch 'AppleIIgs' of github.com:TomHarte/CLK into AppleIIgs 2021-02-08 18:43:27 -05:00
Thomas Harte
82312d3b59 Provide a more convincing version of port output. 2021-02-08 18:14:08 -05:00
Thomas Harte
93a80a30d3 With correct divider appears to get reset requests posted. 2021-02-07 23:05:01 -05:00
Thomas Harte
77b1efd176 Sets sensible 'reset' values. 2021-02-07 21:53:57 -05:00
Thomas Harte
acfab1dfb3 Starts to make some effort at timers. 2021-02-06 21:02:44 -05:00
Thomas Harte
819e9039ab Corrects printed target address for ZeroPageRelative. 2021-02-04 20:54:31 -05:00
Thomas Harte
6526c645a5 Merge branch 'master' into AppleIIgs 2021-02-02 21:29:38 -05:00
Thomas Harte
3d2490b774
Merge pull request #869 from TomHarte/OricReads 
Flips conditionals to ensure 65802 safety.
 2021-02-02 21:03:08 -05:00
Thomas Harte
1e041f1adf Flips conditionals to ensure 65802 safety. 2021-02-02 20:52:34 -05:00
Thomas Harte
4fdf01a1a8
Merge pull request #868 from TomHarte/ElectronSCSI 
Adds Electron hard disk support.
 2021-02-02 20:43:08 -05:00
Thomas Harte
beb514b231 Adds an additional mapping for copy. 2021-02-02 20:37:15 -05:00
Thomas Harte
f57e897085 Corrects visibility of SCSI output. 2021-02-02 20:24:39 -05:00
Thomas Harte
2a8e8a4982 Slightly increases logging. 2021-02-02 20:24:19 -05:00
Thomas Harte
9f202d4238 Adds SCSI interrupt support. 2021-02-01 17:40:11 -05:00
Thomas Harte
1a40cc048e Niceties: include AP6 ROM for hard-disk users; show SCSI activity indicator. 2021-01-31 21:41:11 -05:00
Thomas Harte
53514c7fdc Ensures non-breakage of Qt interface. 2021-01-31 21:28:55 -05:00
Thomas Harte
274b3c7d24 Handles SCSI changes on-demand. 2021-01-31 21:24:54 -05:00
Thomas Harte
07df7572b3 Switch to preferred Acorn-world extension: DAT. 2021-01-31 21:03:09 -05:00
Thomas Harte
906b6ccdb7 This appears to be sufficient for the Electron to _read_ SCSI. 
So that's step one.
 2021-01-31 18:36:29 -05:00