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'[PICLIST] Re [PIC]: Confusing code - 12c671'
2001\03\15@234719 by Jess Hancock

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Thanks Barry, John, and Andy for your comments.

Barry, you were correct about the compiler - in the web site, he said he
used the CCS  C compiler.  Yes, the project is a hobby project.  He offered
and I requested the source code, but that's been a while ago.  I think he's
a busy guy.  So I'm doing what's necessary to both learn about PICs and get
the project working.

John, Andy, others?

1. What is the Mid Range Reference Manual and where might I find it?
2. How does one clear the status? - use CLRF  STATUS followed by BCF
STATUS, Z ???
3. Is it customary to clear the status early in the code, or is it only
necessary prior to an instruction whose status outcome is important?

No one shot down my revised version of the code so I'll assume it would
work.

Thanks  Jess

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2001\03\16@121813 by O'Reilly John E NORC

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The Mid Range Reference Manual is like a datasheet for all the "mid-range"
PICs.  You can find it on the Microchip web site under Literature | PICMicro
Devices | Reference Manuals.  The introduction in the manual says:

PICmicro devices are grouped by the size of their Instruction Word. The
three current PICmicro
families are:
1. Base-Line: 12-bit Instruction Word length
2. Mid-Range: 14-bit Instruction Word length
3. High-End: 16-bit Instruction Word length
This manual focuses on the Mid-Range devices, which are also referred to as
the PIC16CXXX
MCU family.  The operation of the PIC16CXXX MCU family architecture and
peripheral modules is explained, but does not cover the specifics of each
device. Therefore, it is not intended to replace the device data sheets, but
complement them. In other words, this guide supplies the general details and
operation of the PICmicro architecture and peripheral modules, while the
data sheet s give specific details such as device memory mapping.
Initialization examples are given throughout this manual. These examples
sometimes need to be written as device specific as opposed to family
generic, though they are valid for most other devices. Some modifications
may be required for devices with variations in register file mappings.


John

{Original Message removed}

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