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/ Almathera Ten Pack 4: Demo 1 / almathera_demo1.bin / sourcecode / dexion / cop4.s < prev    next >
Text File  |  1995-03-17  |  1KB  |  79 lines
  1. ; copper exempel til amiga mc
  2. org   $7f000
  3. load  $7f000
  4. run:
  5. bsr getbas 
  6.  
  7. move.l gfxbase,a0
  8. add.l #$32,a0
  9. move.w #$0080,$dff096
  10. move.l #copper,(a0)
  11. move.w #$8080,$dff096
  12. loop:
  13. move.b $dff006,d0
  14. cmp.b #$ff,d0
  15. bne loop
  16. move.w poke+2,d0
  17. swap d0
  18. move.w poke+6,d0
  19. add.w #1,poki 
  20. add.l #40,d0
  21. move.w d0,poke+6
  22. swap d0
  23. move.w d0,poke+2
  24. andi.b #64,$bfe001
  25. bne loop
  26. jmp $fc0000
  27.  
  28. copper:
  29. dc.w $0100,$1200
  30. dc.w $008e,$1f81
  31. dc.w $0090,$2ec1
  32. dc.w $0092,$38
  33. dc.w $0094,$d0
  34. dc.w $0108,$0000
  35. dc.w $010a,$0000
  36. poke:
  37. dc.w $00e0,$0000
  38. dc.w $00e2,$0000
  39. dc.w $0182,$000f
  40. dc.w $0180,$0000
  41. dc.w $2001,$ff00
  42. dc.w $0180
  43. poki:
  44. dc.w $0f00
  45. dc.w $3001,$ff00
  46. dc.w $0180,$0000
  47. dc.w $4001,$ff00
  48. dc.w $0180,$1111
  49. dc.w $5001,$ff00
  50. dc.w $0180,$0000
  51. dc.w $6001,$ff00
  52. dc.w $0180,$2222
  53. dc.w $8001,$ff00
  54. dc.w $0180,$3333
  55. dc.w $8101,$ff00
  56. dc.w $0180,$3335
  57. dc.w $8501,$ff00
  58. dc.w $0180,$3334
  59. dc.w $8601,$ff00
  60. dc.w $0180,$2222
  61. dc.w $f001,$ff00
  62. dc.w $0180,$0000
  63. dc.w $ffff,$fffe
  64.  
  65. execbase         = 4
  66. oldopenlibrary   = -30-378
  67. even
  68. gfxname:  dc.b "graphics.library",0
  69. even
  70. gfxbase:  dc.l 0
  71.  
  72. getbas:
  73. move.l execbase,a6
  74. lea gfxname,a1
  75. jsr oldopenlibrary(a6)
  76. move.l d0,gfxbase
  77. rts
  78.  
  79.