QW1 TechTools, QW1 Datasheet - Page 146
Specifications of QW1
Contents
MCU Programmer with In-Circuit Serial Programming Cable and Optional GANG Adapters
For Use With/related Products
PIC Micro® MCU
For Use With
CBL-ICSP - CABLE PROG QUICKWRITER SERIALQW-4SSOP18 - ADAPTER QUICKWRITER 4GANG 18SSOPQW-4SSOP28 - ADAPTER QUICKWRITER 4GANG 28SSOPQW-4SO8/14W - ADAPT QUICKWRTR 4GANG 8/14SOIC WQW-4SO8/14N - ADAPT QUICKWRTR 4GANG 8/14SOIC NQW-4SOIC18 - ADAPTER QUICKWRITER 4GANG 18SOICQW-4ZIF18 - ADAPTER QUICKWRITER 4-GANG 18ZIFQW-4SOIC28 - ADAPTER QUICKWRITER 4GANG 28SOICQW-4PLCC44 - ADAPTER QUICKWRITER 4GANG 44PLCCQW-4ZIF40/28 - ADAPT QUICKWRITER 4GANG 40/28ZIFMP-ZIF14 - ADAPTER QUICKWRITER 14-PIN ZIFMP-SOIC8/14 - ADAPTER QUICKWRITER 8/14-SOICMP-SSOP18 - ADAPTER QUICKWRITER 18-SSOPMP-SSOP28 - ADAPTER QUICKWRITER 28-SSOPMP-14000 - ADAPTR QUICKWRTR PIC14000 28-PINMP-SOIC18 - ADAPTER QUICKWRITER 18-SOICMP-SOIC28 - ADAPTER QUICKWRITER 28-SOICMP-PLCC44 - ADAPTER QUICKWRITER 44-PIN PLCCMP-ZIF18/28 - ADAPTER QUICKWRITER 18/28PIN ZIFMP-ZIF40 - ADAPTER QUICKWRITER 40-PIN ZIF
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Part Number:
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4.1.12 Comments
4.1.13 Assembler Directives
140
Comments can be placed anywhere in your source code, beginning at any point on a line and
continuing to the end.
Assembler directives are instructions that direct the assembler to do something.
PicTools Manual 3.0
every register and bit in the PIC.
As the number of different PICs has grown, it has become necessary to have separate
symbol tables for each PIC. At the beginning of your program, you must tell the
assembler which PIC is being used. This is done with the INCLUDE directive (explained
later in this chapter).
If you’d like to see the symbol table for a particular PIC, please refer to the device include
files installed with the assembler (default location = C:\PicTools\*.inc). These files are
named according to the targeted device.
A semicolon initiates a comment. The following are example comments:
Blank lines can be used to provide space between lines and make the code more
readable.
Directives do many things; some tell the assembler to set aside space for variables,
others tell the assembler to include additional source files, and others establish the start
address for your program. T he directives available are shown below:
ORG
or register address during assembly. For example, ORG 0100h tells the assembler to
assemble all subsequent code starting at address 0100h.
=
EQU
;
; Move literal value 61h into w
;
Input
Output =
mov
mov
call
Input,#61h
Output,#10h
talk_host
=
11h
Assigns a value to a symbol (same as EQU)
Assigns a value to a symbol (same as =)
Sets the current origin to a new value. This is used to set the program
10h
; Load 61h into Input
; Load 10h into Output
; Call routine to communicate with host
© 2007 TechTools
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