jetpac: Routine at 7292

7292: Get actor sprite address.

Used by the routine at 72ab.

Input
A	Sprite header byte or Actor movement.
C	Sprite header byte or X position.

Output
DE	Address for sprite.

7292

bit 6,a

7294

jr z,$7298

Jump if bit-6 of header is reset

7296

set 3,c

else set bit-3 of X position

7298

dec a

Calculate offset for sprite lookup table

7299

rlca

729a

rlca

729b

rlca

729c

rlca

729d

and $f0

729f

or c

72a0

ld c,a

72a1

ld b,$00

BC=lookup table offset

72a3

ld hl,$76c5

HL=start of Jetman/Buffer sprite lookup tables

72a6

add hl,bc

72a7

ld e,(hl)

DE=sprite address

72a8

inc hl

72a9

ld d,(hl)

72aa

ret