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BS2sx v. BS2pe Memory Location for Current Bank — Parallax Forums

BS2sx v. BS2pe Memory Location for Current Bank

ArchiverArchiver Posts: 46,084
edited 2003-12-15 14:42 in General Discussion
Does the BS2pe have a different memory location for the current bank
than BS2sx?

Ran Tracy Allen's TestSX from
http://www.emesystems.com/BS2SX.htm#example

It seems to work fine on by BS2pe except the bank number is always
being displayed a "0" instead of "1" and "2".

On the SX he does a
GET 63,i

Does the BS2pe use a different location from 63 to store this info?

Thanks!

Take care,
Frank

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2003-12-14 23:46
    Yes. The BS2p/BS2pe have 128 bytes of Scratchpad RAM, byte 127 is used
    to indicate current bank (low nibble) and the bank last set by STORE for
    READ and WRITE (high nibble).

    Details are outlined in the Help file (see PUT or GET).

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office



    Original Message
    From: franksmith512 [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=r50QcLZAPkLpMSStz5xEBfuK4FgSnQ0iH9OVJn4ftoWj8jOpRp2gOJ6a1E3TneBM2Km4xO25_sRYpkshQHQ9_-FS]franksmith512@y...[/url
    Sent: Sunday, December 14, 2003 5:20 PM
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] BS2sx v. BS2pe Memory Location for Current Bank


    Does the BS2pe have a different memory location for the current bank
    than BS2sx?

    Ran Tracy Allen's TestSX from
    http://www.emesystems.com/BS2SX.htm#example

    It seems to work fine on by BS2pe except the bank number is always
    being displayed a "0" instead of "1" and "2".

    On the SX he does a
    GET 63,i

    Does the BS2pe use a different location from 63 to store this info?

    Thanks!

    Take care,
    Frank


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  • ArchiverArchiver Posts: 46,084
    edited 2003-12-15 02:20
    Hi Frank,

    As Jon pointed out, that information can be read from SPRAM location
    127 in the BS2p and BS2pe, and NIB0 is the currently RUNing bank and
    NIB1 is the current STORE bank. (The BS2sx and BS2e do not have the
    STORE command, so the high nib always reads zero.)

    Also, SPRAM locations 128 to 135 contain read-only information in
    the BS2p and 'pe. I have a quick list posted for my own reference at:
    http://www.emesystems.com/BS2pe.htm#spram_specials


    -- Tracy

    >Does the BS2pe have a different memory location for the current bank
    >than BS2sx?
    >Ran Tracy Allen's TestSX from
    >http://www.emesystems.com/BS2SX.htm#example
    >It seems to work fine on by BS2pe except the bank number is always
    >being displayed a "0" instead of "1" and "2".
    >On the SX he does a
    >GET 63,i
    >Does the BS2pe use a different location from 63 to store this info?
    >Thanks!
    >Take care,
    >Frank
  • ArchiverArchiver Posts: 46,084
    edited 2003-12-15 02:34
    Here's a method to determine which slot you're sitting in, regardless of
    processor:

    #SELECT $STAMP
    #CASE BS2
    pgmSlot = 0
    #CASE BS2E, BS2SX
    READ 63, pgmSlot
    #CASE BS2P, BS2PE
    READ 127, pgmSlot
    pgmSlot = pgmSlot.NIB0
    #ENDSELECT

    This code, of course, requires PBASIC 2.5 syntax selection.

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office

    Original Message
    From: Tracy Allen [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=ds9VyxZb9xC8_vyDBi060P8bM7UWgd9driGmJf9aBUYSMtyCzznolxq8sLXtWGb_3wDbT26oUg-N2nJLWW4]tracy@e...[/url
    Sent: Sunday, December 14, 2003 8:20 PM
    To: basicstamps@yahoogroups.com
    Subject: Re: [noparse][[/noparse]basicstamps] BS2sx v. BS2pe Memory Location for Current
    Bank


    Hi Frank,

    As Jon pointed out, that information can be read from SPRAM location
    127 in the BS2p and BS2pe, and NIB0 is the currently RUNing bank and
    NIB1 is the current STORE bank. (The BS2sx and BS2e do not have the
    STORE command, so the high nib always reads zero.)

    Also, SPRAM locations 128 to 135 contain read-only information in
    the BS2p and 'pe. I have a quick list posted for my own reference at:
    http://www.emesystems.com/BS2pe.htm#spram_specials


    -- Tracy

    >Does the BS2pe have a different memory location for the current bank
    >than BS2sx? Ran Tracy Allen's TestSX from
    >http://www.emesystems.com/BS2SX.htm#example
    >It seems to work fine on by BS2pe except the bank number is always
    >being displayed a "0" instead of "1" and "2".
    >On the SX he does a
    >GET 63,i
    >Does the BS2pe use a different location from 63 to store this info?
    >Thanks!
    >Take care,
    >Frank


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    basicstamps-unsubscribe@yahoogroups.com
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  • ArchiverArchiver Posts: 46,084
    edited 2003-12-15 06:54
    Jon,

    Used your code right away. I modified it and am putting it up here.
    I think a lot of people can use it.


    pgmSlot VAR Byte

    #SELECT $STAMP
    #CASE BS2
    pgmSlot = 0
    #CASE BS2E, BS2SX
    GET 63, pgmSlot
    #CASE BS2P, BS2PE
    GET 127, pgmSlot
    pgmSlot = pgmSlot.NIB0
    #ENDSELECT


    I have had my Stamp just two weeks. Had no idea the multiple banks
    existed. It sure provides lots of possibilities! Am already
    restructuring my project.

    Take care,
    Frank







    --- In basicstamps@yahoogroups.com, "Jon Williams" <jwilliams@p...>
    wrote:
    > Here's a method to determine which slot you're sitting in,
    regardless of
    > processor:
    >
    > #SELECT $STAMP
    > #CASE BS2
    > pgmSlot = 0
    > #CASE BS2E, BS2SX
    > READ 63, pgmSlot
    > #CASE BS2P, BS2PE
    > READ 127, pgmSlot
    > pgmSlot = pgmSlot.NIB0
    > #ENDSELECT
    >
    > This code, of course, requires PBASIC 2.5 syntax selection.
    >
    > -- Jon Williams
    > -- Applications Engineer, Parallax
    > -- Dallas Office
    >
    >
    >
    Original Message
    > From: Tracy Allen [noparse][[/noparse]mailto:tracy@e...]
    > Sent: Sunday, December 14, 2003 8:20 PM
    > To: basicstamps@yahoogroups.com
    > Subject: Re: [noparse][[/noparse]basicstamps] BS2sx v. BS2pe Memory Location for
    Current
    > Bank
    >
    >
    > Hi Frank,
    >
    > As Jon pointed out, that information can be read from SPRAM
    location
    > 127 in the BS2p and BS2pe, and NIB0 is the currently RUNing bank
    and
    > NIB1 is the current STORE bank. (The BS2sx and BS2e do not have
    the
    > STORE command, so the high nib always reads zero.)
    >
    > Also, SPRAM locations 128 to 135 contain read-only information in
    > the BS2p and 'pe. I have a quick list posted for my own reference
    at:
    > http://www.emesystems.com/BS2pe.htm#spram_specials
    >
    >
    > -- Tracy
    >
    > >Does the BS2pe have a different memory location for the current
    bank
    > >than BS2sx? Ran Tracy Allen's TestSX from
    > >http://www.emesystems.com/BS2SX.htm#example
    > >It seems to work fine on by BS2pe except the bank number is always
    > >being displayed a "0" instead of "1" and "2".
    > >On the SX he does a
    > >GET 63,i
    > >Does the BS2pe use a different location from 63 to store this info?
    > >Thanks!
    > >Take care,
    > >Frank
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the
    Subject
    > and Body of the message will be ignored.
    >
    >
    > Your use of Yahoo! Groups is subject to
    > http://docs.yahoo.com/info/terms/
    >
    >
    >
    >
    > This message has been scanned by WebShield. Please report SPAM to
    > abuse@p...
  • ArchiverArchiver Posts: 46,084
    edited 2003-12-15 14:42
    Whoops ... thank you very much for fixing my error. Of course we use
    GET to retrieve values from the Scratchpad RAM, not READ as in my
    example.

    -- Jon Williams
    -- Parallax

    Original Message
    From: franksmith512 [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=BKvzUOo0RX-Mw0YpXuPxf49W9-Qy9zLPRDqGnWZFz0IopzlcFjI4kkKWhL8QPkvBO38iRAqx6OQZf-2JicP_xgQ]franksmith512@y...[/url
    Sent: Monday, December 15, 2003 12:54 AM
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] Re: BS2sx v. BS2pe Memory Location for Current
    Bank


    Jon,

    Used your code right away. I modified it and am putting it up here.
    I think a lot of people can use it.


    pgmSlot VAR Byte

    #SELECT $STAMP
    #CASE BS2
    pgmSlot = 0
    #CASE BS2E, BS2SX
    GET 63, pgmSlot
    #CASE BS2P, BS2PE
    GET 127, pgmSlot
    pgmSlot = pgmSlot.NIB0
    #ENDSELECT


    I have had my Stamp just two weeks. Had no idea the multiple banks
    existed. It sure provides lots of possibilities! Am already
    restructuring my project.

    Take care,
    Frank







    --- In basicstamps@yahoogroups.com, "Jon Williams" <jwilliams@p...>
    wrote:
    > Here's a method to determine which slot you're sitting in,
    regardless of
    > processor:
    >
    > #SELECT $STAMP
    > #CASE BS2
    > pgmSlot = 0
    > #CASE BS2E, BS2SX
    > READ 63, pgmSlot
    > #CASE BS2P, BS2PE
    > READ 127, pgmSlot
    > pgmSlot = pgmSlot.NIB0
    > #ENDSELECT
    >
    > This code, of course, requires PBASIC 2.5 syntax selection.
    >
    > -- Jon Williams
    > -- Applications Engineer, Parallax
    > -- Dallas Office
    >
    >
    >
    Original Message
    > From: Tracy Allen [noparse][[/noparse]mailto:tracy@e...]
    > Sent: Sunday, December 14, 2003 8:20 PM
    > To: basicstamps@yahoogroups.com
    > Subject: Re: [noparse][[/noparse]basicstamps] BS2sx v. BS2pe Memory Location for
    Current
    > Bank
    >
    >
    > Hi Frank,
    >
    > As Jon pointed out, that information can be read from SPRAM
    location
    > 127 in the BS2p and BS2pe, and NIB0 is the currently RUNing bank
    and
    > NIB1 is the current STORE bank. (The BS2sx and BS2e do not have
    the
    > STORE command, so the high nib always reads zero.)
    >
    > Also, SPRAM locations 128 to 135 contain read-only information in
    > the BS2p and 'pe. I have a quick list posted for my own reference
    at:
    > http://www.emesystems.com/BS2pe.htm#spram_specials
    >
    >
    > -- Tracy
    >
    > >Does the BS2pe have a different memory location for the current
    bank
    > >than BS2sx? Ran Tracy Allen's TestSX from
    > >http://www.emesystems.com/BS2SX.htm#example
    > >It seems to work fine on by BS2pe except the bank number is always
    > >being displayed a "0" instead of "1" and "2". On the SX he does a
    > >GET 63,i
    > >Does the BS2pe use a different location from 63 to store this info?
    > >Thanks!
    > >Take care,
    > >Frank
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the
    Subject
    > and Body of the message will be ignored.
    >
    >
    > Your use of Yahoo! Groups is subject to
    > http://docs.yahoo.com/info/terms/
    >
    >
    >
    >
    > This message has been scanned by WebShield. Please report SPAM to
    > abuse@p...


    To UNSUBSCRIBE, just send mail to:
    basicstamps-unsubscribe@yahoogroups.com
    from the same email address that you subscribed. Text in the Subject
    and Body of the message will be ignored.


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    This message has been scanned by WebShield. Please report SPAM to
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