Routines
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D6EF: Get Sprite Address
Used by the routines at CalculateSpriteSize and PrintSprite.
Finds the sprite for the graphic number of an object. The data of the sprite is flipped, in place, if it is not the same way round as the flags of the object say. If there is no sprite for the graphic number, this returns to the routine that called the routine that called it.
Input
IX The address of the object
Output
DE The address of the sprite
Find the address of the sprite.
GetSpriteAddress D6EF LD L,(IX+$00) Fetch the sprite number.
D6F2 LD H,$00 Set H to 00.
D6F4 ADD HL,HL Double HL.
D6F5 LD BC,$7112 Point BC at SpriteTable.
D6F8 ADD HL,BC Add BC to HL.
D6F9 LD E,(HL) Fetch the address of the sprite.
D6FA INC HL
D6FB LD D,(HL)
Flip it if there is a sprite.
D6FC LD A,(DE) Fetch the width of the sprite and test it.
D6FD AND A
D6FE JP NZ,FlipSprite Jump to FlipSprite if there is a sprite, to flip it if needed.
D701 INC SP Drop the return address.
D702 INC SP
D703 RET Return.
View the equivalent code in;
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