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/ Belgian Amiga Club - ADF Collection / BS1 part 05.zip / BS1 part 5 / ANC_UTULITYS_16.adf / arclist / scroll.arc / ScrollX.S < prev   
Text File  |  1988-09-21  |  4KB  |  231 lines
  1. gfxb=$7ff00
  2. count=$7ff04
  3. baba=$7ff08
  4. charp=$7ff0c
  5. oldcop=$7ff10
  6. intrpt=$7ff14
  7. count2=$7ff18
  8.  
  9. rastport=$7fe00
  10. bitmap=$7fea0
  11.  
  12. org $40000
  13. load $40000
  14.  
  15. beg:
  16. movem.l a6/a5/a4/a3/a2/a1/a0/d7/d6/d5/d4/d3/d2/d1/d0,-(A7)
  17. move.l #scrolly,charp            ; Where scrolly resides
  18. move.l $000004,a6
  19. lea    glib,a1
  20. jsr    -408(a6)
  21. move.l d0,a6
  22. move.l a6,gfxbase
  23.  
  24. lea    bitmap,a0
  25. moveq    #1,d0
  26. moveq    #8,d1
  27. moveq    #8,d2
  28. jsr    -390(a6)            ; InitBitmap
  29.  
  30. lea    bitmap,a0
  31. move.l    #work,8(a0)
  32.  
  33. lea    rastport,a1
  34. jsr    -198(a6)            ; InitRastPort
  35.  
  36. lea    bitmap,a0
  37. move.l    a0,rastport+4            ; struct BitMap *bitmap
  38.  
  39. move.b #1,count2
  40. move.b #$08,count
  41. lea    $48000,a0
  42. moveq  #$7f,d0
  43. clrmem:
  44. clr.l  (a0)+
  45. dbf    d0,clrmem
  46. move.w #$8380,$dff096
  47. move.w #$0020,$dff096
  48. move.w #$4000,$dff09a
  49. chkbtn:
  50. btst   #6,$bfe001
  51. beq    pressed
  52. cmpi.b #228,$dff006
  53. bne.s  chkbtn
  54. move.w #$00f,$dff180
  55. move.l #copl,$dff080
  56. lea    $dff000,a0
  57. clr.l  $120(a0)
  58. clr.w  $102(a0)
  59. move.l #$c9f00000,$40(a0)
  60. move.l #$ffffffff,$44(a0)
  61. move.l #$00048000,$50(a0)
  62. move.l #$00047ffe,$54(a0)
  63. clr.l  $64(a0)
  64. move.w #$1018,$58(a0)
  65. wtbl:
  66. btst   #$e,$dff002
  67. bne.s  wtbl
  68. move.l #$c9f00000,$40(a0)
  69. move.l #$ffffffff,$44(a0)
  70. move.l #$00049000,$50(a0)
  71. move.l #$00048ffe,$54(a0)
  72. clr.l  $64(a0)
  73. move.w #$1018,$58(a0)
  74. wtbl2:
  75. btst   #$e,$dff002
  76. bne.s  wtbl2
  77. subq.b #$04,count
  78. bne.L  endint
  79. move.b #$08,count
  80. scroll:
  81. subq.b #$01,count2
  82. bne.s  nonewchar
  83. move.w #$00f0,$dff180
  84. lea    rastport,a1
  85. moveq    #8,d0
  86. moveq    #6,d1
  87. jsr    -240(a6)            ; Move (0,0)
  88. move.l charp,a0
  89. moveq  #1,d0
  90. lea    rastport,a1
  91. move.l gfxbase,a6
  92. jsr    -60(a6)                ; Fix char into workarea
  93. addq.l    #1,charp
  94. move.l    charp,a0
  95. tst.b    (a0)
  96. bne.s    noend
  97. move.l    #scrolly,charp
  98. noend:
  99. move.b #8,count2
  100. move.b #8,count
  101. nonewchar:
  102. move.w    #$0f00,$dff180
  103. lea    work,a0
  104. lea    $48000+47,a1
  105. lea    $49000+47,a2
  106. moveq    #7,d5
  107. loop1:
  108. roxl.b    #1,(a0)
  109. bcc.s    clearit
  110.  
  111. lea    char,a3                ; A Set point
  112. lea    char+8,a4
  113. moveq    #7,d4
  114. clp:
  115. move.b    (a3)+,(a1)
  116. move.b    (a4)+,(a2)
  117. add.l    #48,a1
  118. add.l    #48,a2
  119. dbf    d4,clp
  120. bra.s    skipit
  121.  
  122. clearit:
  123.  
  124. moveq    #7,d4
  125. cllp:
  126. clr.b    (a1)
  127. clr.b    (a2)
  128. add.l    #48,a1
  129. add.l    #48,a2
  130. dbf    d4,cllp
  131.  
  132. skipit:
  133. addq.l    #2,a0
  134. dbf    d5,loop1
  135.  
  136. endint:
  137. move.w    #$000,$dff180
  138.  
  139. lea    wave+2,a2
  140. lea    wave+10,a4
  141. move.w    (a2),d6
  142. moveq    #30,d5
  143. tlp:
  144. move.w    (a4),(a2)
  145. addq.l    #8,a2
  146. addq.l    #8,a4
  147. dbf    d5,tlp
  148. move.w    d6,(a2)
  149.  
  150. bra    chkbtn
  151. pressed:
  152. move.w #$8020,$dff096
  153. move.w #$c000,$dff09a
  154. move.l    gfxbase,a6
  155. move.l $26(a6),$dff080
  156. movem.l (a7)+,a6/a5/a4/a3/a2/a1/a0/d7/d6/d5/d4/d3/d2/d1/d0
  157. rts
  158.  
  159. gfxbase:dc.l 0
  160. copl:
  161. dc.w $008e,$6080,$0090,$9fe0
  162. dc.w $0092,$0028,$00e0,$0004,$00e2,$8000
  163. dc.w $00e4,$0004,$00e6,$9000,$010a,$0002
  164. dc.w $0182,$000a,$0184,$055e,$0186,$0fff
  165. dc.w $0094,$00d8,$0108,$0002
  166. dc.w $0104,$0010,$0100,$2200
  167. dc.w $6001,$ff00
  168. wave:
  169. dc.w $0102,$0011,$6201,$ff00
  170. dc.w $0102,$0022,$6401,$ff00
  171. dc.w $0102,$0033,$6601,$ff00
  172. dc.w $0102,$0044,$6801,$ff00
  173. dc.w $0102,$0055,$6a01,$ff00
  174. dc.w $0102,$0066,$6c01,$ff00
  175. dc.w $0102,$0077,$6e01,$ff00
  176. dc.w $0102,$0088,$7001,$ff00
  177. dc.w $0102,$0099,$7201,$ff00
  178. dc.w $0102,$00aa,$7401,$ff00
  179. dc.w $0102,$00bb,$7601,$ff00
  180. dc.w $0102,$00cc,$7801,$ff00
  181. dc.w $0102,$00dd,$7a01,$ff00
  182. dc.w $0102,$00ee,$7c01,$ff00
  183. dc.w $0102,$00ff,$7e01,$ff00
  184. dc.w $0102,$00ff,$8001,$ff00
  185. dc.w $0102,$00ee,$8201,$ff00
  186. dc.w $0102,$00dd,$8401,$ff00
  187. dc.w $0102,$00cc,$8601,$ff00
  188. dc.w $0102,$00bb,$8801,$ff00
  189. dc.w $0102,$00aa,$8a01,$ff00
  190. dc.w $0102,$0099,$8c01,$ff00
  191. dc.w $0102,$0088,$8e01,$ff00
  192. dc.w $0102,$0077,$9001,$ff00
  193. dc.w $0102,$0066,$9201,$ff00
  194. dc.w $0102,$0055,$9401,$ff00
  195. dc.w $0102,$0044,$9601,$ff00
  196. dc.w $0102,$0033,$9801,$ff00
  197. dc.w $0102,$0022,$9a01,$ff00
  198. dc.w $0102,$0011,$9c01,$ff00
  199. dc.w $0102,$0000,$9e01,$ff00
  200. dc.w $0102,$0000
  201. dc.w $fffe,$fffe
  202. glib:
  203. dc "graphics.library",0
  204. eo:
  205.  
  206. scrolly:
  207. dc "TETRAGON PROUDLY PRESENTS...  MEGACRUNCH V1.00, Written By "
  208. dc "AntiAction for TETRAGON in 1988.            ",0
  209.  
  210. char:
  211. dc.b %11111111
  212. dc.b %10000001
  213. dc.b %10000001
  214. dc.b %10000001
  215. dc.b %10000001
  216. dc.b %10000001
  217. dc.b %10000001
  218. dc.b %11111111
  219.  
  220. dc.b %11111111
  221. dc.b %11111110
  222. dc.b %11111110
  223. dc.b %11111110
  224. dc.b %11111110
  225. dc.b %11111110
  226. dc.b %11111110
  227. dc.b %10000000,0
  228. end:
  229.  
  230. work:blk.w    8,0
  231.