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/ Almathera Ten Pack 4: Demo 1 / almathera_demo1.bin / sourcecode / dexion / copx1.s < prev    next >
Text File  |  1995-03-17  |  1KB  |  98 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. adder: 
  20. add.l #40,d0
  21. move.w d0,poke+6
  22. swap d0
  23. move.w d0,poke+2
  24. addq.w #1,pike+2
  25. addq.w #1,pike1+2
  26. addq.w #1,pike2+2
  27. addq.w #1,pike3+2
  28. addq.w #1,pike4+2
  29. addq.w #1,pike5+2
  30. andi.b #64,$bfe001
  31. beq slut
  32. btst #10,$dff016
  33. bne loop
  34. add.l #40,adder+2
  35. jmp loop
  36. slut: 
  37. jmp $fc0000
  38.  
  39. copper:
  40. dc.w $0100,$1200
  41. dc.w $008e,$1f81
  42. dc.w $0090,$2ec1
  43. dc.w $0092,$38
  44. dc.w $0094,$d0
  45. dc.w $0108,$0000
  46. dc.w $010a,$0000
  47. poke:
  48. dc.w $00e0,$0000
  49. dc.w $00e2,$0000
  50. dc.w $0182,$000f
  51. dc.w $0180,$0000
  52. dc.w $a851,$fffe
  53. pike:
  54. dc.w $0180,$0fff
  55. dc.w $a8c5,$fffe
  56. dc.w $0180,$0000
  57. dc.w $a951,$fffe
  58. pike1:
  59. dc.w $0180,$0fff
  60. dc.w $a9c5,$fffe
  61. dc.w $0180,$0000
  62. dc.w $aa51,$fffe
  63. pike2:
  64. dc.w $0180,$0fff
  65. dc.w $aac5,$fffe
  66. dc.w $0180,$0000
  67. dc.w $ab51,$fffe
  68. pike3:
  69. dc.w $0180,$0fff
  70. dc.w $abc5,$fffe
  71. dc.w $0180,$0000
  72. dc.w $ac51,$fffe
  73. pike4:
  74. dc.w $0180,$0fff
  75. dc.w $acc5,$fffe
  76. dc.w $0180,$0000
  77. dc.w $ad51,$fffe
  78. pike5:
  79. dc.w $0180,$0fff
  80. dc.w $adc5,$fffe
  81. dc.w $0180,$0000
  82. dc.w $ffff,$fffe
  83.  
  84. execbase         = 4
  85. oldopenlibrary   = -30-378
  86. even
  87. gfxname:  dc.b "graphics.library",0
  88. even
  89. gfxbase:  dc.l 0
  90.  
  91. getbas:
  92. move.l execbase,a6
  93. lea gfxname,a1
  94. jsr oldopenlibrary(a6)
  95. move.l d0,gfxbase
  96. rts
  97.  
  98.