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4 The SX-Key/Blitz Interface
Nevertheless, we strongly recommend that you use the SASM assembler for all new, or recently revised,
source code. There are only a few modifications necessary to make legacy source code compatible with
SASM (see Chapter 9 – Upgrading Existing Code for SASM).
When you choose to use the Parallax Assembler, by un-checking the "Use SASM" box, you will notice
that a new group is shown at the top of the Options window, called IRC Calibration. Since the Parallax
Assembler does not accept directives in the source code to set the value for IRC calibration, it is
necessary to do this “outside” of the source code (see Chapter 15.6.1.3 – Internal RC Mode for details
on IRC calibration).
When the option SASM files to “SASM Output dir” is selected, the files generated by SASM will be
stored in the folder named “SASM Output” that is located in the folder where the SX-Key software has
been installed. When the option is de-selected, the files will be stored in the folder where the source
code files are located. See Chapter 7.10 – Files Generated by SASM for an explanation of the output
files generated by SASM.
The option Local Labels Must Start In Col. 1 controls how SASM searches the source code for local labels
(see Chapter 7.6 - Labels for more details on local labels). When the option is selected, local labels must
start in the first column of a source code line. Otherwise, local labels may be indented.
When the Use New Editor option is un-checked, the text editor will change its style into the editor format
that was part of earlier versions of the SX-Key software. As this “old” editor has much less features, it is
recommended to always use the “new” editor. You will notice that the remaining selections in the
Configure window will become invisible when you select the “old” editor.
The Enhanced Editor Options group contains various selections that allow you to configure the “new”
editor.
Use the upper left and right arrow buttons to change the Font size of the text displayed in the editor
window between 6 and 32 points.
The left and right arrow buttons below let you define the Tab size, i.e. by how many columns text shall
be indented on TAB characters in the text (2, 4, 6, or 8 columns).
When Colored Code Keywords is checked, the editor will perform “syntax highlighting”, i.e. keywords in
the source code text are displayed in color. Click on the colored button to the right of this option to open
the Color dialog box. Here you can select the color that shall be used to highlight the keywords.
The Boldface Code Keywords gives you the option to let the editor display keywords in boldface.
Boldfacing and color highlighting may also be combined.
When the Colored Comments option is checked, any comments in the source code text, i.e. text that starts
with a semicolon, will be displayed in the color indicated to the right of this option. The color can be
changed by clicking on the colored button.
SX-Key/Blitz Development System Manual 2.0 • Parallax, Inc. • Page 29