Useful links for Propeller Programmers

(1) Parallax's Original Spin interpreter code...
http://forums.parallax.com/showthread.php/101336...

(2) The Propeller's "Three Bit Protocol" for code downloads
http://forums.parallax.com/showthread.php/97913-The-3-Bit-Protocol

(3) Minimal PASM bootstrap code...
http://forums.parallax.com/showthread.php/86056....

(4) More general info on cool Prop stuff and a bit more detail about the 3bit protocol...
http://propeller.wikispaces.com/Download+Protocol

(5) A rather eclectic PDF of various Propeller based topics including some fascinating topics.  I believe the content was generated by the nice folks at http://propeller.wikispaces.com/ Here's the PDF.

(6) The entire Propeller Boot ROM source code (Courtesy of Sir Chip Gracey)
http://forums.parallax.com/showthread.php/101483...



//----------------------------------------//

//An exerpt from that minimal bootstrapping code forum thread...

Minimal Spin bootstrap code for assembly language launch
--------------------------------------------------------

$0000: HZ HZ HZ HZCR CS 10 00 LL LL 18 00 18 00 10 00
$0010: FF FF F9 FF FF FF F9 FF 35 37 04 35 2C -- -- --

$0020: your assembly code starts here - loaded into COG #0


elaboration:

$0000: HZ HZ HZ HZ - internal clock frequency in Hz (long)
$0004: CR········· - value to be written to clock register (byte)
$0005: CS········· - checksum so that all RAM bytes will sum to 0 (modulus 256)
$0006: 10 00······ - 'pbase' (word) must be $0010
$0008: LL LL······ - 'vbase' (word) number of longs loaded times 4
$000A: 18 00······ - 'dbase' (word) above where $FFF9FFFF's get placed
$000C: 18 00······ - 'pcurr' (word) points to Spin code
$000E: 10 00······ - 'dcurr' (word) points to local stack

$0010: FF FF F9 FF - below local stack, must be $FFF9FFFF
$0014: FF FF F9 FF - below local stack, must be $FFF9FFFF
$0018: 35········· - push #0·· (long written to $0010)
$0019: 37 04······ - push #$20 (long written to $0014)
$001B: 35········· - push #0·· (long written to $0018)
$001C: 2C········· - COGINIT(0, $20, 0) - load asm code from $20+ into same COG #0
$001D: -- -- --··· - filler

$0020: XX XX XX XX - 1st long of asm program to be loaded into COG #0
$0024: XX XX XX XX - 2nd long of asm program to be loaded into COG #0
$0028:············ - rest of data