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videogamepreservation
/
alienbashii
şunun yansıması https://github.com/videogamepreservation/alienbashii
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alienbashii
/
Code
/
platform
/
stus_code
/
KeyBoard_Functions.s

KeyBoard_Functions.s 493 B
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  1. KeyBoard_Functions
    2. 

  2. 

  3. 	move.b	$bfec01,d0
    4. 

  4. 	ror.b	#1,d0
    5. 

  5. 	btst	#7,d0
    6. 

  6. 	beq.s	End_Keys
    7. 

  7. 	andi.b	#$7f,d0
    8. 

  8. 

  9. 	cmp.b	#102,d0			; P Pressed
    10. 

  10. 	bne.s	End_Keys
    11. 

  11. pause_game_loop
    12. 

  12. 	move.b	$bfec01,d0
    13. 

  13. 	ror.b	#1,d0
    14. 

  14. 	btst	#7,d0
    15. 

  15. 	bne.s	pause_game_loop
    16. 

  16. wait_for_restart_key
    17. 

  17. 	move.b	$bfec01,d0
    18. 

  18. 	ror.b	#1,d0
    19. 

  19. 	btst	#7,d0
    20. 

  20. 	beq.s	wait_for_restart_key	
    21. 

  21. 

  22. 	andi.b	#$7f,d0
    23. 

  23. 	cmp.b	#47,d0			; F1 Pressed
    24. 

  24. 	bne.s	notkey0
    25. 

  25. 	btst	#7,$bfe001
    26. 

  26. 	bne.s	notkey0
    27. 

  27. 	bset	#WAVE_COMPLETED,Status_Flags
    28. 

  28. notkey0
    29. 

  29. 

  30. 	
    31. 

  31. End_Keys
    32. 

  32. 	*move.b  #0,$bfec01
    33. 

  33. 	rts
    34. 

  34.