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Author SHA1 Message Date
Thomas Harte
61993f0687
Merge pull request #650 from TomHarte/DeadReference 
Removes dead reference to video from VIAPortHandler.
 2019-09-21 17:40:22 -04:00
Thomas Harte
5f16fa8c08 Removes dead reference to video from VIAPortHandler. 2019-09-21 17:39:45 -04:00
Thomas Harte
dcea9c9ab2
Merge pull request #649 from TomHarte/BetterTiming 
Implements every-other-cycle-during-pixels RAM timing.
 2019-09-21 17:35:28 -04:00
Thomas Harte
e7bf0799b6 Implements every-other-cycle-during-pixels RAM timing. 2019-09-21 17:25:20 -04:00
Thomas Harte
e760421f6f
Merge pull request #648 from TomHarte/QuickBoot 
Adds the option to skip the Mac Plus memory test
 2019-09-19 22:47:07 -04:00
Thomas Harte
8ea4c17315 Completes Mac GUI wiring. 2019-09-19 22:37:23 -04:00
Thomas Harte
2e24da4614 Implements quick booting, and edges towards exposing it on the Mac. 
It should already work in kiosk mode.
 2019-09-19 22:32:12 -04:00
Thomas Harte
e46601872b Establishes that the Macintosh offers the quick-boot option. 2019-09-19 21:50:39 -04:00
Thomas Harte
6d0e41b760 Adds "quick boot" as a standard option. 
I assume I'm going to reuse this.
 2019-09-19 19:41:43 -04:00
Thomas Harte
5a82df837d
Merge pull request #647 from TomHarte/SCSIActivity 
Adds the SCSI bus as an Activity::Source.
 2019-09-19 19:33:06 -04:00
Thomas Harte
776b819a5a Adds the SCSI bus as an Activity::Source. 2019-09-19 19:31:22 -04:00
Thomas Harte
1783f6c84b
Update README.md 
Corrects alphabetical order.
 2019-09-18 22:11:37 -04:00
Thomas Harte
2ef2c73efe
The early Macintoshes are less experimental now. 2019-09-18 22:11:04 -04:00
Thomas Harte
55e003ccc1
Merge pull request #646 from TomHarte/LinuxFixes 
Corrects hasty merge for more standards-compliant targets
 2019-09-18 22:07:57 -04:00
Thomas Harte
3d54d55dbb Adds missing #include for assert. 2019-09-18 22:06:13 -04:00
Thomas Harte
72c0a631f7 Moves includes to correct file. 2019-09-18 22:04:54 -04:00
Thomas Harte
1608a90d5d Takes another stab at finding ssize_t. 2019-09-18 22:03:51 -04:00
Thomas Harte
4f8a45a6ce Adds #include for ssize_t. 2019-09-18 22:02:59 -04:00
Thomas Harte
4f0f1dcf18 Corrects accidental use of #import. 2019-09-18 21:53:22 -04:00
Thomas Harte
839e51d92d Adds newest files to SConstruct. 2019-09-18 21:49:57 -04:00
Thomas Harte
e470cf23d8
Merge pull request #645 from TomHarte/SCSI 
Adds basic SCSI support, along with a Mac Plus to use it.
 2019-09-18 21:45:48 -04:00
Thomas Harte
8d4a96683a Reduces output noise. 2019-09-18 21:41:29 -04:00
Thomas Harte
f53411a319 Removes local NDEBUG. 2019-09-18 21:35:26 -04:00
Thomas Harte
128a1da626 Enables write support. 2019-09-18 20:18:02 -04:00
Thomas Harte
962275c22a Removes clock for NCR 5380. 
It doesn't have one in real life, and now can live off the time counting that occurs on the SCSI bus.
 2019-09-18 20:17:47 -04:00
Thomas Harte
3002ac8a4a Adds mapping of READ(8) size 0 to size 256. 2019-09-17 21:59:32 -04:00
Thomas Harte
ff43674638 Corrects partition map: string fields are 32 bytes long. 2019-09-17 21:46:14 -04:00
Thomas Harte
2f6c366668 Makes a concerted effort at properly wrapping a hard disk image. 2019-09-17 21:30:04 -04:00
Thomas Harte
2ce1f0a3b1 Implements multi-sector read/write. 
This once again unblocks Apple HD SC Setup. Progress!
 2019-09-16 22:20:42 -04:00
Thomas Harte
210129c3a1 Updated as per Inside Macintosh IV. 
Of which I now own a copy.
 2019-09-16 21:31:43 -04:00
Thomas Harte
934901447a Adds a temporary version of block access writing. 
Whatever I'm doing, it's still not correct. The Macintosh ostensibly appears to 0-fill the direct-access device, then reads a sector back and hangs.
 2019-09-15 22:06:45 -04:00
Thomas Harte
960b289e70 Edges closer towards proper DMA operation. 
Specifically: differentiates the three kinds of DMA operation. Still doesn't act correctly with regard to DACK though, and leaves the bus instantaneously improperly formed. Which I'm tempted to try to fix on the target side by properly obeying delays.
 2019-09-15 15:03:06 -04:00
Thomas Harte
243e40cd79 Adds signalling of DACK. 2019-09-14 13:48:33 -04:00
Thomas Harte
c849188016 Adds format and write to the SCSI target. 
Now I think I need to switch back to the 5380 to ensure proper DMA mode interactions when writing.
 2019-09-12 21:58:09 -04:00
Thomas Harte
87e8dade2f Implements READ BUFFER to do, you know, *something*. Plus READ CAPACITY. 
The HD SC utility now offers up drive 6 for formatting. That's progress.
 2019-09-11 21:52:02 -04:00
Thomas Harte
6fc5b4e825 Simplifies INQUIRY for future targets; implements enough of SENSE MODE to advance. 
The HD SC setup utility is now looking to read buffer.
 2019-09-08 21:59:56 -04:00
Thomas Harte
00ce7f8ae0 Takes a first shot at INQUIRY. 2019-09-07 22:04:44 -04:00
Thomas Harte
6e0e9afe2f Fixed: to post a message, I want message in, not message out. 2019-09-07 13:35:38 -04:00
Thomas Harte
cb0d994827 Provides empty data for the unimplemented sectors. 2019-09-07 13:17:53 -04:00
Thomas Harte
bee782234a Ensures no state transitions while acknowledge is still asserted. 2019-09-07 13:17:34 -04:00
Thomas Harte
64dad35026 Decreases logging, at least temporarily. 2019-09-03 22:40:32 -04:00
Thomas Harte
cbd1a8cf78 Factors out command termination, adds a default implementation of test unit ready. 2019-09-03 22:40:18 -04:00
Thomas Harte
a4ab0afce3 Takes a shot at completing a full SCSI interaction. 2019-09-03 21:15:30 -04:00
Thomas Harte
1c7e0f3c9d Fixes control line modification by the 5380 and SCSI target command chaining. 
So now I'm back to trying to guess how a SCSI command terminates re: the relative meanings of a message phase and a status phase.
 2019-09-02 23:14:37 -04:00
Thomas Harte
318cdb41ea Adds SCSI bus clocking to the Macintosh, and fixes its internal counting. 2019-09-02 16:03:33 -04:00
Thomas Harte
2f8e31bc8b Takes a first bash at implementing the new SCSI::Bus timing infrastructure. 2019-09-02 13:00:01 -04:00
Thomas Harte
310c722cc0 Starts a transition to bus-level knowledge of SCSI-specific bus timing thresholds. 
The idea being that bus attachees need not all count time for themselves. They can be very plain finite state machines.

New semantics are not yet implemented within the Bus. The plan is to do that, remove the internal counting of time within the NCR, then adjust the Target to be more explicitly stateful.
 2019-08-31 21:44:22 -04:00
Thomas Harte
25956bd90f Mildly improves temporary logging. 
A deckchair shuffle, at best.
 2019-08-26 22:35:11 -04:00
Thomas Harte
1a60ced61b Starts trying to deal with creating a whole volume from merely a partition. 2019-08-25 23:03:54 -04:00
Thomas Harte
081316c071 Adds some additional commentary as this takes shape. 2019-08-25 17:46:05 -04:00