mirror of https://github.com/sethm/symon.git
Fix README screenshots (again)
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README.md
24
README.md
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@ -7,7 +7,7 @@ SYMON - A 6502 System Simulator
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See the file COPYING for license.
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![Symon Simulator in Action](https://static.loomcom.com/symon/screenshots/full.jpg)
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![Symon Simulator in Action](https://github.com/sethm/symon/raw/master/screenshots/full.jpg)
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## 1.0 About
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@ -66,7 +66,7 @@ memory.
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### 3.2 Serial Console and CPU Status
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![Serial Console](https://static.loomcom.com/symon/screenshots/console.png)
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![Serial Console](https://github.com/sethm/symon/raw/master/screenshots/console.png)
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The main window of the simulator acts as the primary Input/Output
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system through a virtual serial terminal. The terminal is attached to
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@ -78,13 +78,13 @@ It also provides CPU status. Contents of the accumulator, index
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registers, processor status flags, disassembly of the instruction
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register, and stack pointer are all displayed.
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![Font Selection](https://static.loomcom.com/symon/screenshots/font_selection.png)
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![Font Selection](https://github.com/sethm/symon/raw/master/screenshots/font_selection.png)
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The console supports font sizes from 10 to 20 points.
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### 3.3 ROM Loading
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![ROM Loading](https://static.loomcom.com/symon/screenshots/load_rom.png)
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![ROM Loading](https://github.com/sethm/symon/raw/master/screenshots/load_rom.png)
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Symon can load any appropriately sized ROM image. The Symon
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architecture expects as 16KB (16384 byte) ROM image, while the
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@ -95,32 +95,32 @@ address.
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### 3.4 Memory Window
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![Memory Window](https://static.loomcom.com/symon/screenshots/memory_window.png)
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![Memory Window](https://github.com/sethm/symon/raw/master/screenshots/memory_window.png)
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Memory contents can be viewed (and edited) one page at a time through the Memory Window.
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### 3.5 Trace Log
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![Trace Log](https://static.loomcom.com/symon/screenshots/trace_log.png)
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![Trace Log](https://github.com/sethm/symon/raw/master/screenshots/trace_log.png)
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The last 20,000 execution steps are disassembled and logged to the Trace Log
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Window.
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### 3.6 Simulator Speeds
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![Speeds](https://static.loomcom.com/symon/screenshots/simulator_menu.png)
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![Speeds](https://github.com/sethm/symon/raw/master/screenshots/simulator_menu.png)
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Simulated speeds may be set from 1MHz to 8MHz.
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### 3.7 Breakpoints
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![Breakpoints](https://static.loomcom.com/symon/screenshots/breakpoints.png)
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![Breakpoints](https://github.com/sethm/symon/raw/master/screenshots/breakpoints.png)
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Breakpoints can be set and removed through the Breakpoints window.
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### 3.8 Experimental 6545 CRTC Video
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![Composite Video](https://static.loomcom.com/symon/screenshots/video_window.png)
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![Composite Video](https://github.com/sethm/symon/raw/master/screenshots/video_window.png)
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This feature is highly experimental. It's possible to open a video window
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from the "View" menu. This window simulates the output of a MOS 6545 CRT
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@ -154,7 +154,7 @@ between the simulated 6545 and a real 6545:
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of 6545 programming tricks that were achieved by updating the
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frame address during vertical and horizontal sync times are not
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achievable. There is no way (for example) to change the Display Start
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Address (R12 and R13) while a frame is being drawn.
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Address (R12 and R13) while a frame is being drawn.
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For more information on the 6545 CRTC and its programming model, please see the following resources
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@ -242,11 +242,11 @@ running.
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- **1.2.0:** 3 January, 2016 - Add symbolic disassembly to breakpoints
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window.
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- **1.1.1:** 2 January, 2016 - Minor enhancement: Allows breakpoints
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to be added with the Enter key.
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- **1.1.0:** 31 December, 2015 - Fixed delay loop to better
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- **1.1.0:** 31 December, 2015 - Fixed delay loop to better
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simulate various clock speeds. Added ability to select clock
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speed at runtime. Status display now shows the next instruction
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to be executed, instead of the last instruction executed.
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