Comments on: 18F4550 and Assembly Language Overview http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/ Tutorials and Sample Code In Assembly and C For The 18F Series PIC Microcontrollers Wed, 30 Mar 2011 15:46:22 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: zarlimoe http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/comment-page-1/#comment-4087 zarlimoe Wed, 24 Feb 2010 08:38:07 +0000 http://www.pic18f.com/18f4550/2007/12/04/18f4550-and-assembly-overview/#comment-4087 I want to learn about 18 f series in C language. I want to learn about 18 f series in C language.

]]> By: stb http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/comment-page-1/#comment-3925 stb Wed, 20 Jan 2010 00:28:57 +0000 http://www.pic18f.com/18f4550/2007/12/04/18f4550-and-assembly-overview/#comment-3925 great tutorial, very useful for beginners, thanks.. great tutorial, very useful for beginners, thanks..

]]> By: Rick http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/comment-page-1/#comment-114 Rick Mon, 04 Aug 2008 19:21:00 +0000 http://www.pic18f.com/18f4550/2007/12/04/18f4550-and-assembly-overview/#comment-114 Hello, I love this kind of tutorial- absolutely excellent!! Can you make examples for all the features :-) One question- are there any other destination options.. If the only options are W or F that's fine, but it doesn't say. I am a total beginner with this chip. Can you send this value directly to a port, to the flash ram, the static ram, an external ram? I'm really looking to figure out how to get USB data out (1000 XY points) the fastest way possible. Streaming parallel port looks like about a tie with the serial port for speed. Examples would be so easy if they had simplest code possible, absolutely the minimum number of lines needed, and a schematic if needed. I used to program with the Atmel 89C51 till my programmer broke. Here's the smallest code to blink 8 leds connected to port1. This is so simple. .org H'100 start: inc A (increment A) mov P1,A (mov to port1, A) sjmp start (short jump) .end if you want so slow this so you can see the leds blink, .org H'100 start: inc A ;increment A mov P1,A ;mov to port1, A Delay: Djnz R0,Delay ;Dec jmp if not 0 Djnz R1,Delay ;delay= FF*FF= 65535. It's perfect. sjmp start (short jump) .end Is there an example anywhere like this for the 4550? Thanks, your example was a tremendous help for understanding that add command, the W,F registers and the ones that I don't even want to know about. Rick Hello,
I love this kind of tutorial- absolutely excellent!! Can you make examples for all the features :-) One question- are there any other destination options.. If the only options are W or F that’s fine, but it doesn’t say. I am a total beginner with this chip. Can you send this value directly to a port, to the flash ram, the static ram, an external ram?
I’m really looking to figure out how to get USB data out (1000 XY points) the fastest way possible. Streaming parallel port looks like about a tie with the serial port for speed.
Examples would be so easy if they had simplest code possible, absolutely the minimum number of lines needed, and a schematic if needed. I used to program with the Atmel 89C51 till my programmer broke. Here’s the smallest code to blink 8 leds connected to port1. This is so simple.

.org H’100
start: inc A (increment A)
mov P1,A (mov to port1, A)
sjmp start (short jump)
.end

if you want so slow this so you can see the leds blink,
.org H’100
start: inc A ;increment A
mov P1,A ;mov to port1, A

Delay: Djnz R0,Delay ;Dec jmp if not 0
Djnz R1,Delay ;delay= FF*FF= 65535. It’s perfect.

sjmp start (short jump)
.end

Is there an example anywhere like this for the 4550?
Thanks, your example was a tremendous help for understanding that add command, the W,F registers and the ones that I don’t even want to know about.
Rick

]]> By: zaid http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/comment-page-1/#comment-12 zaid Mon, 04 Feb 2008 06:54:28 +0000 http://www.pic18f.com/18f4550/2007/12/04/18f4550-and-assembly-overview/#comment-12 ok cool! ok cool!

]]> By: Andrey http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/comment-page-1/#comment-9 Andrey Thu, 31 Jan 2008 20:45:46 +0000 http://www.pic18f.com/18f4550/2007/12/04/18f4550-and-assembly-overview/#comment-9 I would definitely like to make these tutorials more beginner friendly. Please visit the forum <del datetime="2010-01-19T19:12:21+00:00">(http://forum.pic18f.com)</del> and I will gladly help you with any questions. Your questions would definitely help me provide more clear information in these tutorials. I would definitely like to make these tutorials more beginner friendly. Please visit the forum (http://forum.pic18f.com) and I will gladly help you with any questions. Your questions would definitely help me provide more clear information in these tutorials.

]]> By: zaid http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/comment-page-1/#comment-8 zaid Fri, 25 Jan 2008 11:19:30 +0000 http://www.pic18f.com/18f4550/2007/12/04/18f4550-and-assembly-overview/#comment-8 hey comon dude...the first part wis the pictures were already cool until u said what the data sheet said...please in your own word for a pic beginners like me!!we wouldnt be searching all over the net if we knew how to read the datasheet....huhu... hey comon dude…the first part wis the pictures were already cool until u said what the data sheet said…please in your own word for a pic beginners like me!!we wouldnt be searching all over the net if we knew how to read the datasheet….huhu…

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