libc-native.M1 1.1 KB

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  1. ## Copyright (C) 2016 Jeremiah Orians
  2. ## This file is part of M2-Planet.
  3. ##
  4. ## M2-Planet is free software: you can redistribute it and/or modify
  5. ## it under the terms of the GNU General Public License as published by
  6. ## the Free Software Foundation, either version 3 of the License, or
  7. ## (at your option) any later version.
  8. ##
  9. ## M2-Planet is distributed in the hope that it will be useful,
  10. ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. ## GNU General Public License for more details.
  13. ##
  14. ## You should have received a copy of the GNU General Public License
  15. ## along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
  16. :_start
  17. ; Setup initial stack pointer
  18. LOADR R15 4
  19. JUMP 4
  20. &STACK
  21. LOADR32 R12 @HEAP ; Setup HEAP pointer
  22. ADD R12 R12 R15 ; After Stack
  23. ; Setup initial base pointer
  24. COPY R14 R15
  25. ; Perform the main loop
  26. LOADR R0 4
  27. JUMP 4
  28. &FUNCTION_main
  29. CALL R0 R15
  30. :FUNCTION_exit
  31. :FUNCTION__exit
  32. HALT ; Stop the machine
  33. ;; Our default heap pointer (offset from start of stack)
  34. :HEAP
  35. '00100000'