Anyone familiar with the Southwest Technical Products 6809 based computers?
On mine, it appears the boot ROM is only geared towards booting from a
disk drive - which I don't have. I was wondering if there is a
different boot ROM - like the ones for the older SWTPC 6800 systems that >allowed you to load a program via a Motorola S-record file and run it.
On Sat, 27 Feb 2016 10:09:16 -0600, John Garza <john@127.0.0.1> wrote:
Anyone familiar with the Southwest Technical Products 6809 based computers?
On mine, it appears the boot ROM is only geared towards booting from a
disk drive - which I don't have. I was wondering if there is a
different boot ROM - like the ones for the older SWTPC 6800 systems that >allowed you to load a program via a Motorola S-record file and run it.
Have a look around this site:- http://www.swtpc.com/mholley/MP_09/SBUG_Index.htm
On Sunday, February 28, 2016 at 1:24:07 PM UTC-6, Geo wrote:
On Sat, 27 Feb 2016 10:09:16 -0600, John Garza <john@127.0.0.1> wrote:
Anyone familiar with the Southwest Technical Products 6809 based computers? >>>
On mine, it appears the boot ROM is only geared towards booting from a
disk drive - which I don't have. I was wondering if there is a
different boot ROM - like the ones for the older SWTPC 6800 systems that >>> allowed you to load a program via a Motorola S-record file and run it.
Have a look around this site:-
http://www.swtpc.com/mholley/MP_09/SBUG_Index.htm
That's a good reference as SWTPC's "SBUG-E" monitor does contain both
'L' and 'P' commands to Load and Punch tapes via the console in S-record form just like Motorola's MIKBUG did for the 6800.
Michael has the user manual scanned here,
http://www.swtpc.com/mholley/MP_09/SBUG_UsersGuide.pdf
Chris
On 02/29/2016 08:39 AM, Chris Elmquist wrote:
On Sunday, February 28, 2016 at 1:24:07 PM UTC-6, Geo wrote:
On Sat, 27 Feb 2016 10:09:16 -0600, John Garza <john@127.0.0.1> wrote:
Anyone familiar with the Southwest Technical Products 6809 based computers?
On mine, it appears the boot ROM is only geared towards booting from a >>> disk drive - which I don't have. I was wondering if there is a
different boot ROM - like the ones for the older SWTPC 6800 systems that >>> allowed you to load a program via a Motorola S-record file and run it. >>>
Have a look around this site:-
http://www.swtpc.com/mholley/MP_09/SBUG_Index.htm
That's a good reference as SWTPC's "SBUG-E" monitor does contain both
'L' and 'P' commands to Load and Punch tapes via the console in S-record form just like Motorola's MIKBUG did for the 6800.
Michael has the user manual scanned here,
http://www.swtpc.com/mholley/MP_09/SBUG_UsersGuide.pdf
Chris
Yes, I have the SBUG-E on my S/09 system and I noticed the 'L' and 'P' commands. But compared to the SWBUG 6800 Monuitor, it seems to be
missing the 'J' command (Jump to an address and start executing) and the
'G' (Go) command appears to work differently - no mention is made in the SBUG-E docs about jumping to an address pointed to by a preset location
as in the SWBUG ROM.
So how do you get the machine to actually start running your program?
-John
Anyone familiar with the Southwest Technical Products 6809 based computers?
On mine, it appears the boot ROM is only geared towards booting from a
disk drive - which I don't have. I was wondering if there is a
different boot ROM - like the ones for the older SWTPC 6800 systems that allowed you to load a program via a Motorola S-record file and run it.
If you know of one, please post it here for all to see.
Thanks,
-John
So how do you get the machine to actually start running your program?
*----------------------------------------------------------
* STANDARD SBUG-E EQUATES *----------------------------------------------------------
MONITOR EQU $F800 *RETURNS CONTROL TO MONITOR
INCH EQU $F804 *CHAR INPUT
INCHE EQU $F806 *CHAR INPUT AND ECHO
OUTCH EQU $F80A *CHAR OUTPUT
PDATA EQU $F80C *OUTPUT STRING TERMINATED BY $04 PSTRNG EQU $F810 *LIKE PDATA WITH CRLF PREFIX
PCRLF EQU $F80E *OUTPUT CR,LF,NUL,NUL,NUL *----------------------------------------------------------
On Tuesday, March 1, 2016 at 3:11:46 PM UTC-6, John Garza wrote:
On 02/29/2016 08:39 AM, Chris Elmquist wrote:
On Sunday, February 28, 2016 at 1:24:07 PM UTC-6, Geo wrote:
On Sat, 27 Feb 2016 10:09:16 -0600, John Garza <john@127.0.0.1> wrote: >>>>
Anyone familiar with the Southwest Technical Products 6809 based computers?
On mine, it appears the boot ROM is only geared towards booting from a >>>>> disk drive - which I don't have. I was wondering if there is a
different boot ROM - like the ones for the older SWTPC 6800 systems that >>>>> allowed you to load a program via a Motorola S-record file and run it. >>>>>
Have a look around this site:-
http://www.swtpc.com/mholley/MP_09/SBUG_Index.htm
That's a good reference as SWTPC's "SBUG-E" monitor does contain both
'L' and 'P' commands to Load and Punch tapes via the console in S-record form just like Motorola's MIKBUG did for the 6800.
Michael has the user manual scanned here,
http://www.swtpc.com/mholley/MP_09/SBUG_UsersGuide.pdf
Chris
Yes, I have the SBUG-E on my S/09 system and I noticed the 'L' and 'P'
commands. But compared to the SWBUG 6800 Monuitor, it seems to be
missing the 'J' command (Jump to an address and start executing) and the
'G' (Go) command appears to work differently - no mention is made in the
SBUG-E docs about jumping to an address pointed to by a preset location
as in the SWBUG ROM.
So how do you get the machine to actually start running your program?
-John
I don't actually have an s-bug machine running right now but looking at the source, my best guess would be that you use CTRL-P to change the PC (program counter) and then "G" to return from breakpoint/SWI.
I agree that the lack of "J" to jump to an address is disappointing.
Chris
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