Routines
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CB60: Build Figure Sprite List
Used by the routines at HandleOutlaw and HandleSheriff.
Makes a sprite list of three sprites one above the other, using the numbers from ChooseFigureSprites. Types 15 and 16 are moved eight to the left.
Input
B The vertical offset for the sprite for the top part
C The vertical offset for the sprite for the middle part
D The number of the sprite for the middle part
E The number of the sprite for the lower part
A' The number of the sprite for the top part
HL The address of the sprite list to make
IX The address of the figure
Write the lower sprite.
BuildFigureSpriteList CB60 LD (HL),$F4 Set the horizontal offset of the lower sprite to F4 and move on.
CB62 INC HL
CB63 LD (HL),$04 Set the vertical offset of the lower sprite to 04 and move on.
CB65 INC HL
CB66 LD (HL),E Set the number of the lower sprite, and move on.
CB67 INC HL
Use a further left offset for types 15 and 16.
CB68 LD A,(IX+$00) Fetch the type.
CB6B SUB $15 Subtract 15.
CB6D CP $02 Compare it with 02.
CB6F LD A,$F4 Use a horizontal offset of F4.
CB71 JR NC,BuildFigureSpriteList_Middle Jump to BuildFigureSpriteList_Middle unless the type is 15 or 16.
CB73 SUB $08 Move the offset eight to the left.
Write the middle sprite.
BuildFigureSpriteList_Middle CB75 LD (HL),A Set the horizontal offset of the middle sprite, and move on.
CB76 INC HL
CB77 LD (HL),C Set the vertical offset of the middle sprite, and move on.
CB78 INC HL
CB79 LD (HL),D Set the number of the middle sprite, and move on.
CB7A INC HL
Write the top sprite and the terminator.
CB7B LD (HL),$F4 Set the horizontal offset of the top sprite to F4 and move on.
CB7D INC HL
CB7E LD (HL),B Set the vertical offset of the top sprite, and move on.
CB7F INC HL
CB80 EX AF,AF' Set the number of the top sprite, and move on.
CB81 LD (HL),A
CB82 INC HL
CB83 LD (HL),$80 Set the terminator and return.
CB85 RET
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