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Author SHA1 Message Date
Thomas Harte
a942e1319b
Merge pull request #363 from TomHarte/ZonX 
Introduces ZonX emulation and corrects a minor ColecoVision AY timing issue.
 2018-03-07 16:23:51 -05:00
Thomas Harte
9e0a56b4f0 Withdraws the 2600 from .rom consideration. 
Will return when it is performing more sanity checks; for the time being I don't want it constantly forcing multimachines.
 2018-03-07 16:21:17 -05:00
Thomas Harte
9abc020818 Corrects potential ColecoVision SGM AY timing issues. 2018-03-07 16:16:58 -05:00
Thomas Harte
2dade8d353 Introduces ZonX emulation for the ZX81. 2018-03-07 16:16:29 -05:00
Thomas Harte
1100dc6993 Opens up .bin and .rom to all cartridge platforms, and adds a confidence estimate to the Atari 2600. 2018-03-07 14:26:07 -05:00
Thomas Harte
f212b18511 Declares a confidence for the ColecoVision equal to the probability that the special bytes are wrong. 2018-03-07 14:25:25 -05:00
Thomas Harte
a6ca69550f Standardises machines that aren't making a real guess on reporting a confidence of 0.5. 2018-03-07 14:24:52 -05:00
Thomas Harte
2452641844 Introduces a fast workaround to avert a MultiMachine where it would instantly end. 2018-03-06 19:08:02 -05:00
Thomas Harte
c82af4b814 Introduces get_confidence for the ColecoVision. 
Based almost entirely on joypad accesses for now.
 2018-03-06 19:06:35 -05:00
Thomas Harte
fdef914137 Corrects test target regression. 2018-03-06 18:32:21 -05:00
Thomas Harte
dfcc502a88
Merge pull request #360 from TomHarte/SDLJoystick 
Introduces keyboard-as-joystick fallback for the SDL target.
 2018-03-04 17:28:05 -05:00
Thomas Harte
1c6faaae88 Introduces keyboard-as-joystick fallback for the SDL target. 2018-03-04 17:26:32 -05:00
Thomas Harte
35c8a0dd8c
Merge pull request #359 from TomHarte/MentionColecoVision 
Adds the ColecoVision to the declared list of machines.
 2018-03-03 19:05:05 -05:00
Thomas Harte
38feedaf6a Adds the ColecoVision. 2018-03-03 19:03:54 -05:00
Thomas Harte
0a2f908af4
Merge pull request #358 from TomHarte/TMSPhase 
Picks a phase for the TMS empirically.
 2018-03-03 13:56:10 -05:00
Thomas Harte
705d53cc21 Picks a phase for the TMS empirically. 2018-03-03 13:53:00 -05:00
Thomas Harte
35b18d58af
Merge pull request #357 from TomHarte/SuperGameModule 
Adds Super Game Module support for the ColecoVision.
 2018-03-03 13:14:48 -05:00
Thomas Harte
3c5a8d9ff3 Adds Super Game Module support for the ColecoVision. 2018-03-03 13:08:33 -05:00
Thomas Harte
7ca02be578
Merge pull request #356 from TomHarte/Multicolour 
Implements multicolour mode on the TMS.
 2018-03-02 23:10:31 -05:00
Thomas Harte
ea13c7dd32 Implements multicolour mode on the TMS. 2018-03-02 23:08:01 -05:00
Thomas Harte
fdfd72a42c
Merge pull request #355 from TomHarte/MegaCart 
Adds MegaCart support for the ColecoVision.
 2018-03-02 19:21:26 -05:00
Thomas Harte
da97bf95c0 Loosens ColecoVision cartridge size test to allow for slightly broken images. 2018-03-02 19:20:37 -05:00
Thomas Harte
bdfc36427c Implements MegaCart support. 2018-03-02 18:40:01 -05:00
Thomas Harte
74dfe56d2b
Expands documentation of NMI setting. 
Given that it was previously incorrect, explains logic behind request_status_ and last_request_status_ setting. Also takes the opportunity to ensure that NMI is 'sampled' at the same time as IRQ; whether the next thing should be the NMI routine now occurs one cycle before the end of any instruction. That's an assumption for now. Testing to come.
 2018-03-02 11:10:02 -05:00
Thomas Harte
6cce9aa54e
Merge pull request #353 from TomHarte/ColecoVision 
Adds provisional emulation of the ColecoVision
 2018-03-01 22:33:34 -05:00
Thomas Harte
ba68b7247b Adds latest files to SConstruct. 2018-03-01 22:19:50 -05:00
Thomas Harte
b02e4fbbf6 Corrects NMI receipt to be genuinely edge triggered. 
Previously a caller that signalled NMI set multiple times would trigger multiple NMIs.
 2018-03-01 22:04:56 -05:00
Thomas Harte
59b4c7314d Merge branch 'master' into ColecoVision 2018-03-01 22:01:26 -05:00
Thomas Harte
d328589bd0
Merge pull request #354 from TomHarte/MSXTiming 
Corrects a counting error in the MSX.
 2018-03-01 22:00:53 -05:00
Thomas Harte
b05d2b26bf Corrects a counting error in the MSX. 2018-03-01 21:59:51 -05:00
Thomas Harte
86239469e7 Allows SN76489 consumers to apply an additional divider that reduces computation. 2018-03-01 18:51:05 -05:00
Thomas Harte
7890506b16 Gives the SN76489 its proper dividers and personalities. 2018-02-28 22:36:03 -05:00
Thomas Harte
83f73c3f02 Installs additional safeguards against unsafe deconstruction. 2018-02-28 22:15:22 -05:00
Thomas Harte
87760297fc Fixes underpumping of SN76489. 
Audio works now. Though I still need properly to confirm who owns dividers in practice. I think probably all division should be within the SN.
 2018-02-27 22:59:29 -05:00
Thomas Harte
5b854d51e7 Corrects out-of-bounds access. 2018-02-27 22:45:45 -05:00
Thomas Harte
d4df101ab6 Makes a first attempt at implementing the SN76489. 2018-02-27 22:25:12 -05:00
Thomas Harte
0ad2676640 Adds a class for the SN76489 and wires it into the ColecoVision. 2018-02-26 22:04:34 -05:00
Thomas Harte
a074ee2071 Possibly fixes ColecoVision input mapping. 
Also provides symbolic input from the Mac.
 2018-02-25 22:47:47 -05:00
Thomas Harte
204d5cc964 Extends JoystickMachine protocol to cover ColecoVision use case. 
Also thereby implements input on the ColecoVision, in theory at least. No input is being fed though, so...
 2018-02-25 19:08:50 -05:00
Thomas Harte
23d15a4d6c The ColecoVision now accepts and loads cartridges. 2018-02-24 18:26:44 -05:00
Thomas Harte
23c47e21de Proceeds the ColecoVision to booting. 2018-02-24 18:14:38 -05:00
Thomas Harte
5530b96446 Wired up a class and analyser for a ColecoVision. 2018-02-23 22:47:15 -05:00
Thomas Harte
99d28a172b
Merge pull request #352 from TomHarte/TZXCompletion 
Makes an attempt at implementing all missing TZX 1.20 blocks.
 2018-02-22 21:37:46 -05:00
Thomas Harte
d83178f29d Makes an attempt at implementing all missing TZX 1.20 blocks. 
Towards that aim, simplifies CSW handling so that even regular RLE compression uses a static grab of file contents.
 2018-02-22 21:28:12 -05:00
Thomas Harte
d9d5ffdaa2
Merge pull request #351 from TomHarte/TMSFlip 
Optimises the inner TMS loops slightly.
 2018-02-21 21:33:04 -05:00
Thomas Harte
cabad6fc05 Optimises the inner TMS loops slightly. 2018-02-21 21:29:17 -05:00
Thomas Harte
a4dc9c0403
Merge pull request #350 from TomHarte/MinorMSXOptimisations 
Introduces modest MSX optimisations
 2018-02-19 20:53:20 -05:00
Thomas Harte
270723ae72 Forces the MSX's perform_machine_cycle into the Z80. 2018-02-19 19:54:42 -05:00
Thomas Harte
b215cf83d5 Eliminates implicit update queue flush, as unnecessary. 2018-02-19 19:54:18 -05:00
Thomas Harte
f237dcf904 Avoids deadlock when one bestEffortUpdate action implies another. 2018-02-19 18:44:12 -05:00