[Coco] Help with BASIC

[Brett Gordon]

dont thank me... its mostly Darren's code.  I just put some basic input
statements around his code.  Honestly, it is the first BASIC code i have
written in 25 years.  I'll pretty it up in the coming days.

-B
On Nov 20, 2014 9:13 PM, "Kip Koon" <computerdoc at sc.rr.com> wrote:

> Hi Brett!
> I finally was able to access the web site, so I have the sdcutils.dsk disk
> image file.  Thank you for creating it.  I appreciate it very much.  You
> guys rock!
>
> Kip Koon
> computerdoc at sc.rr.com
> http://www.cocopedia.com/wiki/index.php/Kip_Koon
>
>
>
> -----Original Message-----
> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Brett Gordon
> Sent: Thursday, November 20, 2014 5:54 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] Help with BASIC
>
> An extremely scary hack of Darren's routines above.  Warning: no
> checking of anything is done... don't overwrite your current selected
> ROM.  bad things will happen.  This will flash a straight, flat, ROM
> file from a disk to your SDC.
>
> http://sites.google.com/site/cocoboot2/down
>
> download the file sdkutils.dsk.
>
>
>
> On Thu, Nov 20, 2014 at 12:23 PM, Brett Gordon <beretta42 at gmail.com>
> wrote:
> > Cool.  Then just follow it up with a "write mem,yadayadayada"
> > statement to the SDC!  awesome dude. Thanks!  I didn't know the asm
> > would be that easy to manipulate (or at least read ) basic files..
> >
> >
> >
> > On Thu, Nov 20, 2014 at 11:12 AM, Darren A <mechacoco at gmail.com> wrote:
> >> On Thu, Nov 20, 2014 at 5:40 AM, Brett Gordon wrote:
> >>
> >>> Has anybody created a utility to flash their SDC ROM banks from a
> >>> BASIC disk file yet?  -or-  How would one accomplish loading a flat
> >>> file into memory from BASIC?
> >>>
> >>> 1. Change the flat ROM into a BIN, and use CLOAD
> >>>       a. is it possible to squeeze 16k of binary data into a BASIC
> >>> enviroment?
> >>>       b. yuck - this would require people to change their ROM's to
> BIN's
> >>> 2. I didn't see any BASIC statements designed to load binary data - is
> >>> there one?
> >>> 3. Rip data from the the lowlevel disk buffers (unlawfully touching
> BASIC )
> >>>
> >>
> >>
> >> If you want to load a raw file (no preamble) into memory you can OPEN
> it as
> >> a data file and use a small ML routine to read the bytes:
> >>
> >> 10 CLEAR 100,&H3FFF
> >> 20 OPEN "I",#1,"FILE.ROM"
> >> 30 EXEC code
> >> 40 CLOSE #1
> >>
> >> RawLd     ldx   #$4000     RAM storage address
> >>           lda   #1         select file #1
> >>           sta   $6F
> >> ldByte    jsr   $A176      read 1 byte from file
> >>           ldb   $70        test EOF flag
> >>           bne   ldDone     branch if EOF
> >>           sta   ,x+        store byte in RAM
> >>           bra   ldByte     loop
> >> ldDone    clr   $6F        restore console I/O
> >>           rts
> >>
> >> Darren
> >>
> >> --
> >> Coco mailing list
> >> Coco at maltedmedia.com
> >> https://pairlist5.pair.net/mailman/listinfo/coco
> >
> >
> >
> > --
> > Brett M. Gordon,
> > beretta42 at gmail.com
>
>
>
> --
> Brett M. Gordon,
> beretta42 at gmail.com
>
> --
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>
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