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livingcomputermuseum.ContrAlto/Contralto/IO/Printing/IPageSink.cs
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

44 lines
1.6 KiB
C#

/*
This file is part of ContrAlto.
ContrAlto is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ContrAlto is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with ContrAlto. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Contralto.IO.Printing
{
/// <summary>
/// IPageSink defines the interface between a ROS device and physical output
/// on the emulated host (be it real paper on a printer or PDF, Postscript, etc).
/// </summary>
public interface IPageSink
{
/// <summary>
/// Starts a new document to be printed.
/// </summary>
void StartDoc();
/// <summary>
/// Adds a new page to the output. This is provided as a byte array containing 'height' scanlines of the specified width.
/// </summary>
/// <param name="raster"></param>
/// <param name="width"></param>
/// <param name="height"></param>
void AddPage(byte[] raster, int width, int height);
/// <summary>
/// Ends the document being printed.
/// </summary>
void EndDoc();
}
}