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collapseos
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Mirror of CollapseOS
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collapseos/recipes/rc2014/glue.asm

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  1. ; classic RC2014 setup (8K ROM + 32K RAM) and a stock Serial I/O module

  2. ; The RAM module is selected on A15, so it has the range 0x8000-0xffff

  3. .equ	RAMSTART	0x8000

  4. .equ	RAMEND		0xffff

  5. .equ	ACIA_CTL	0x80	; Control and status. RS off.

  6. .equ	ACIA_IO		0x81	; Transmit. RS on.

  7. 

  8. jp	init

  9. 

  10. ; interrupt hook

  11. .fill	0x38-$

  12. jp	aciaInt

  13. 

  14. #include "err.h"

  15. #include "core.asm"

  16. #include "parse.asm"

  17. .equ	ACIA_RAMSTART	RAMSTART

  18. #include "acia.asm"

  19. 

  20. .equ	STDIO_RAMSTART	ACIA_RAMEND

  21. #include "stdio.asm"

  22. 

  23. .equ	SHELL_RAMSTART	STDIO_RAMEND

  24. .equ	SHELL_EXTRA_CMD_COUNT 0

  25. #include "shell.asm"

  26. 

  27. init:

  28. 	di

  29. 	; setup stack

  30. 	ld	hl, RAMEND

  31. 	ld	sp, hl

  32. 	im 1

  33. 

  34. 	call	aciaInit

  35. 	ld	hl, aciaGetC

  36. 	ld	de, aciaPutC

  37. 	call	stdioInit

  38. 	call	shellInit

  39. 	ei

  40. 	jp	shellLoop