27c256 | 4K81H | 68HC11A1 | 68HC11P1 | 68hc24 | 68HC711E9 | 68HC811 | 8255 | A2D | ADC | ADC12138 | Am85C30 | BRCLR | Buffalo | CMOS | EEPROM | EPROM | Ethernet | EVB | EVBU | HC11E1 | HC11E9 | HC711E9 | Horray | ImageCraft | IRQ | Keypad | LCD | MC68HC11D0FN | MC68HC11E1CFU3 | MC68HC11F1 | MC68HC711E9 | MC68HC711E9CFN2 | Microcore11 | Microstamp11 | Minikit | NVRAM | PSD | PSD8xx | PSD9xx | PT1000 | RS232 | RTS | RXD | SPI | SRAM | TXD | Watchdogs | XIRQ

Re: Converting digital to analog

Just a quick thought - are the sensor characteristics linear/logarithmic - in other words predictable? Sometimes the characteristic curves are anything but linear, and you have ...

Re: help

Charles, =20=20=20 If you are using the Imagecraft compiler, there will be a file called vec= tors.c. In this file you would extern your interrupt handler like this: =20=20=2...

Re: External Memory Troubles

w...@telus.net wrote: [that he had problems with writing and external EEPROM] To the group as a whole: I hope this source isn't bigger than irritates you. If so, then next t...

Re: Re: HC11 & Sonars

Richi, One imagines we will need 8 separate locations for the 8 sonars to respond to. This looks like a bit of code that wants to branch to the checksonar routine 8 times ...

Re: Can't get Buffalo to run   [2 Articles]

----- Original Message ----- From: "Art Burke" To: > I'm using Tx, Rx, and Ground on the DB9 serial cable. > What am I...

Re: OOPS! The connection of MAX232

Thanks for the feedbacks. You are very supportive . Again, thanks a lot. Mike McCarty wrote:Mike McCarty wrote: [some boring stuff, and then so...

Urgent help with hc11!!!   [4 Articles]

Hi all, i'm doing a course on the HC11 and i've been assigned a project that computes the distance between two points (given the change in height and length) thus using py...

Re: Fwd: Re: Random Numbers and Keyboards (My design hopefully somebody can debug for me)

I echo Mr. Papadimitriou's comment about this not being a homework hotline. However, I do have some comments. After DELAY, I see a return, but I don't see where any ...

Re: Any examples on random numbers?

Mike McCarty wrote: [snip] >KeyPress: > tst KeyPressFlag > bne *+5 > > > I needed an rts there. Hope that wasn't confusing. [snip ] Mike -- ...

strobed (polled) parallel input on portc

Hello I am using an adaptt11 with 68hc11e2. I am having a problem with strobed input using portc. my program works fine in thrsim11. I am using a DIP switch hooked t...

Re: IRQ on adapt11   [2 Articles]

Thanks for ur response. Yes I did mean #$01 for pin0 in portd. My question is when I simulate this program with thrsim11 (with a switch attached to irq) works ...

newbie, using fft

i have a copy of ron williams fft code for hc11 that i obtained from the motorola site. the code compiles and runs, and debugging shows that it modifies my data ...

Re: Text   [2 Articles]

I am not sure whether you realize it or not, but you now have a write text routine that (with some slight modification) could be made a subroutine to write any ze...

RTS problem   [7 Articles]

Hey guys, back again with another problem. I have the following program: BEGIN_PROG ... JMP NON_WORKING_LOOP ... ... ... NON_WORKING_LOOP PSHA PSHB ...

Re: ***[Possible UCE]*** subroutine problem

First things first. You have got to remove any and all JMP instructions at the end of subroutines. If you attempt to do this it may seem to work, but it will leav...

subroutine problem   [7 Articles]

Hi, I have a main program that is calling subroutines, however when it has finished with the subroutine I issue the RTS command. In some of my program it wor...

Re: Re: Indexed Addressing   [4 Articles]

You can also place self modifying ?*&%@# code in ram which yields faster code but doccumentation is important. Regards Dave > > From: "Tony Papadimitriou...

Re: Motorola D15 GSM data Module

--- In , "Paul B. Webster" wrote: > On Sat, 2004-08-21 at 05:03, Velja wrote: > >> Don't you have a datasheet? ;-) > > Yes, but there is explana...

Re: Maximum length   [2 Articles]

Chances are your problem is a failure to RTS from each BSR or JSR. The immediately suspicious stuff is the JMP MAIN after the SUB2 label, and no RTS after SUB2 la...

Re: Re: RXD TXD   [2 Articles]

What do you mean by "The terminal would freeze" ? Is this a debug terminal on the serial port? --- eileeniicg <> wrote: > I tried to disable the TXD and RXD...

RE: update on my lcd

See below. Emmett Redd Ph.D. mailto: Associate Professor (417)836-5221 Department of Physics, Astronomy, and Material Science Southwest Missouri State Univer...

Re: lcd on indicator   [4 Articles]

The hc11 i'm using has a clock speed of 2Mhz and am using it in SCM. The lcd i'm using is 16x4, by OPTREX DMC16433. This is how i set everything up. Maybe i missed ...

RE: RE: sorry for confusion..here's correction

Eileen, Did you use CALL 100 after you put the RTS in? If you still used GO 100, it would not return to BUFFALO. I more often use JMP $E00A It jumps me bac...

RE: Re: program not executing..

I see at least one problem and possibly two. Please see my comments below. Emmett Redd Ph.D. mailto: Associate Professor (417)836-5221 > -----Original Me...

Re: HELP INADDING AN INPUT PORT

Here are some initial thoughts and questions: 1. The 597 is not the optimum parallel to serial device for you application. It contains an extra parallel register...

Re: Re: A2D binary to Ascii conversion to terminal   [5 Articles]

Why convert it to flotating point in the first place. Read the A/D register as a short, int or long as approiate and and send it as is. If you are going to use it o...

Help interfacing MAX3100 with HC11?   [4 Articles]

Hello Everyone I'm trying to send a data stream that is moving at 250kbaud into the HC11 micro-controller. I was told that in order to make it work I would need a ...

RS232 switching.

Dear forum, Many thanks for your replies. I had the data switch working with a MAX RS232 converter and switching the TTL levels using an analogue switch as sug...

RE: compteur programme   [5 Articles]

Even if dex was required, wouldn't it be inx, since the stack grows down? Paul > -----Original Message----- > From: Grodevant, Scott [mailto:] > Sent: Tue...

Re: 8 bit expression   [2 Articles]

The BSET instruction is not available with extended addressing. It *is* available with direct addressing (page-zero addresses) which is why your assembler says it m...