ChronosMM: Routine at 56606

56606: Check bullet collision with landscape

Used by the routine at CHECK_ALL_BULLETS_LANDSCAPE_COLLISION.

Input
This	routine might handle collision detection
IX	points at current bullet data

CHECK_BULLET_LANDSCAPE_COLLISION

56606

LD A,(IX+0)

56609

RRA

56610

RRA

56611

AND 7

56613

LD C,A

56614

LD A,(59786)

56617

LD B,A

56618

LD A,(IX+1)

56621

ADD A,B

56622

SUB 3

56624

SLA A

56626

AND 120

56628

OR C

56629

LD C,A

56630

LD B,0

56632

LD HL,60229

Point HL at VISIBLE_TILE_MAP

56635

ADD HL,BC

56636

LD A,(HL)

56637

CP 127

Check for empty tile

56639

JP Z,CHECK_BULLET_LANDSCAPE_COLLISION_0

Empty tile, skip ahead to move bullet right

56642

LD (IX+2),255

Disable current bullet

56646

CALL L56665

CHECK_BULLET_LANDSCAPE_COLLISION_0

56649

LD A,(IX+1)

Move the current bullet 3 units to the right

56652

ADD A,3

56654

LD (IX+1),A

56657

CP 64

If the bullet's X position reaches 64...

56659

RET C

56660

LD (IX+2),255

Disable current bullet

56664

RET