'******************************************************************************
' Copyright (c) 2011, 2012, Dave Hein
' See end of file for terms of use.
'******************************************************************************
CON
  'start              = $7e50 ' Extra space for the stand-alone loader
  start              = $7c00 ' Extra space for the stand-alone loader

  ' SD CLIB data
  rendezvous         = $7e50

  ' Exported variables
  environ_vars       = $7e50
  environ_vars_end   = $7ed3

  ' Argv parameter area
  argv_parms         = $7ed4

  ' Additional system parameters
  return_value       = $7f94
  vga_cog            = $7f98
  vga_handle         = $7f9c
  sd_pins            = $7fa0
  config             = $7fa4
  focus              = $7fa8

  ' System time
  unixtime           = $7fac
  cycle0             = $7fb0
  timezone           = $7fb4
{  
  ' I2C Driver
  i2c_cog            = $7fb8
  i2c_cmd            = $7fbc
  i2c_parm           = $7fc0
  
  ' Kernel data
  filelock           = $7fc4
  filecmd            = $7fc8
  fileparm           = $7fcc
}
  'Shell variables
  scriptline         = $7fb8
  ifflag             = $7fbc
  whileflag          = $7fc0
  skipflag           = $7fc4
  shell_level        = $7fc8
  bootflag           = $7fcc

  'File I/O
  spi_engine_cog     = $7fd0
  spi_command        = $7fd4
  spi_block_index    = $7fd8
  spi_buffer_address = $7fdc

  ' Basic CLIB data
  ' Serial data
  serial             = $7fe0
  stdio              = $7fe4
  stdin              = $7fe8
  stdout             = $7fec
  
  ' Malloc data
  memlocknum         = $7ff0
  memfreelist        = $7ff4
  malloclist         = $7ff8
  laststackaddr      = $7ffc

  ' Stack check word
  checkword          = $dead1eaf

  ' Process types
  proc_type_spin     = 1
  proc_type_pasm     = 2
  proc_type_capp     = 3
  proc_type_driver   = $80

  ' Run modes
  run_shell_wait     = $00
  run_shell_nowait   = $08
  run_kill_caller    = $10
  run_at_address0    = $20
  run_c_program      = $40
  run_spin_program   = $80
  run_stand_alone    = $100

PUB main
  return

{{
+-----------------------------------------------------------------------------+
|                       TERMS OF USE: MIT License                             |
+-----------------------------------------------------------------------------+
|Permission is hereby granted, free of charge, to any person obtaining a copy |
|of this software and associated documentation files (the "Software"), to deal|
|in the Software without restriction, including without limitation the rights |
|to use, copy, modify, merge, publish, distribute, sublicense, and/or sell    |
|copies of the Software, and to permit persons to whom the Software is        |
|furnished to do so, subject to the following conditions:                     |
|                                                                             |
|The above copyright notice and this permission notice shall be included in   |
|all copies or substantial portions of the Software.                          |
|                                                                             |
|THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR   |
|IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,     |
|FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  |
|AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER       |
|LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,|
|OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE|
|SOFTWARE.                                                                    |
+-----------------------------------------------------------------------------+
}}