SynthModules

Mark,

It's not PIC based.  It has a Hitachi H8/3664 on it.  Read the datasheet in
the files section of the Group's site.  Yes, you can PEEK and POKE but there
may be easier ways to handle it.  I'm looking into this as well.

- Brice

"It's easy to play any musical instrument: all you have to do is touch the
right key at the right time and the instrument will play itself."
- J.S. Bach

----- Original Message ----- 
From: "Mark Pulver" <mark@midiwall.com>
To: <SynthModules@yahoogroups.com>
Sent: Thursday, April 08, 2004 11:48 AM
Subject: Re: [SynthModules] More on MIDI handler


> grantrichter2001 (08:37 AM 4/8/2004) wrote:
>
>  >Continuing my thinking out loud on the MIDI input.
>  >
>  >How would one handle a buffer in this BASIC?
>  >
>  >It does not support STR$ command or some of the other 16K
>  >BASIC features for string handling.
>  >
>  >It seems you would have to use an array variable and brute force
>  >move all bytes for a first in last out string.
>  >
>  >Any suggestions?
>
> This is where I was going with my questioning about how the PSIM program
> memory is organized... I wanted to get some background before I started
> babbling about the issues of BASIC as an ISR for a comm buffer.
>
> Trying to do a FIFO buffer in a minimal BASIC will be most interesting. A
> bunch of questions...
>
> - I trust that there's ISR handling of some sort in the language
> implementation?
>
> - Is the PIC mapped such that you can control it? Either port or memory?
>
> - Can the UART be setup to be memory mapped so that it dumps a byte
> straight to memory, or is it port mapped?
>
> - Have you done any timings on reading from a port, moving a byte/word of
> memory?
>
> - Does this BASIC allow for PEEK and POKE? Can you get the address of a
> variable? The thought behind this is that PEEK/POKE would be faster than:
>
>    CommBuffer[CommIndex] = $UARTIn
>    CommIndex = CommIndex + 1;
>
>
> Just some random questions...
>
> Mark
>
>
>
>
> Be sure to check out the primary Web site at:
> http://www.SynthModules.com
>
> Yahoo! Groups Links
>
>
>
>
>