livingcomputermuseum.ContrAlto

github.com/livingcomputermuseum.ContrAlto

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Josh Dersch f849b795a6 - Fixed two memory state machine issues:

1) The Orbit microcode occasionally expects to be able to do a double-word read in cycles 6 and 7 instead of the usual 5 and 6.
  2) The double-word logic incorrectly handles several species of overlapped read/writes, which Spruce's layout microcode uses.

As a result, Spruce now works, as do the Smalltalk-80 images.

Several tweaks to microcode disassembly (still rough).

Completed Orbit / Dover ROS / Dover Print Engine emulation.  Still some rough edges; it works and can create PDF output.

Tweaked Disk Controller's Restore operation, it is now more accurate though wasn't causing any noticable issues.

2017-07-10 16:49:12 -07:00

Contralto

- Fixed two memory state machine issues:

2017-07-10 16:49:12 -07:00

ContraltoSetup

- Fixed two memory state machine issues:

2017-07-10 16:49:12 -07:00

.gitattributes

Initial commit to add default .gitIgnore and .gitAttribute files.

2015-08-14 18:31:37 -07:00

.gitignore

Added 3K RAM pages to debugger, cleaned up disassembly display code.