ContrAlto V1.2.3

This release adds basic scripting (recording and playback of inputs).

Additionally, it fixes the following issues:

• Tweaked mouse handling to avoid Alto microcode bug and to smooth mouse movement.
• Fix for stale packets left in Ethernet input queue when receiver is off.

ContrAlto V1.2.2

This release adds support for:

• The Alto Keyset
• The Trident disk controller and up to eight T-80 or T-800 drives

Additionally several minor bugs have been fixed:

• Ethernet encapsulation caused the emulated Alto to receive its own outgoing packets.
• XM bank switching soft-reset behavior is corrected, allowing Xerox IFS to run.

ContrAlto-Mono.zip contains ContrAlto binaries for Unix and OS X.
ContrAltoSetup-Windows.zip contains the ContrAlto installer for Windows platforms.

ContrAlto V1.2.1

This release adds emulation of the Orbit raster hardware, Dover Raster Output Scanner, and Dover laser printer. Print output can be captured to PDF files.

Other changes include:

• Memory state machine bug fixed; Smalltalk-80 and Spruce print server run.

ContrAlto-Mono.zip contains ContrAlto binaries for Unix and OS X.
ContrAltoSetup-Windows.zip contains the ContrAlto installer for Windows platforms.

ContrAlto V1.2

This release adds support for OS X and Unix platforms using Mono and SDL2.

Other changes include:

• Audio DAC for use with Smalltalk Music system implemented.
• Initial implementation of Orbit rasterization device; Dover ROS is implemented
  but not working properly.
• Added ability to load a configuration file at startup.

ContrAlto-Mono.zip contains ContrAlto binaries for Unix and OS X.
ContrAltoSetup-Windows.zip contains the ContrAlto installer for Windows platforms.

ContrAlto V1.1

V1.1

• A few minor performance tweaks, adding to a 10-15% speed increase.
• Switched back to targeting .NET 4.5.3 rather than 4.6; this works better under Mono
  and avoids odd issues on Windows machines running pre-4.6 frameworks.
• Microcode disassembly improved slightly, annotated microcode source updated.
• Nova disassembler now handles BRI, DIR, EIR, DIRS instructions rather than treating
  them all as TRAPs.
• Fixed serious bugs in memory state machine, BravoX now runs.
• Fixed minor bug in Constant ROM selection.
• Raw Ethernet packets sent as broadcasts (matching IFS encapsulation behavior)