Dynamite Dan: Routine at DCC1

DCC1: Draw a food item

Used by the routine at CBBD.

Input
IX	Pointer to room data

DCC1

LD A,(IX+$04)

Is there food in the room?

DCC4

BIT 3,A

DCC6

JR NZ,$DCCC

Jump forward if there is.

DCC8

LD A,$FF

Set "no attribute" for food in this room.

DCCA

JR $DCE4

This entry point is used by the routine at DCF6.

DCCC

AND $07

Get the bottom 3 bits, containing the food ID.

DCCE

PUSH AF

Remember this value in A.

DCCF

CALL $DCE8

Convert the food ID to its graphic address.

DCD2

LD E,(IX+$05)

Put the location in DE.

DCD5

LD D,(IX+$06)

DCD8

CALL $E84E

Draw the graphic.

DCDB

POP AF

Restore the food ID in A.

DCDC

LD C,A

Put the ID in BC.

DCDD

LD B,$00

DCDF

LD HL,$65EA

Add the base address of the food attribute buffer (65EA) and store it in HL.

DCE2

ADD HL,BC

DCE3

LD A,(HL)

Put the attribute in A.

DCE4

LD ($CFC9),A

Update the attribute marking food (CFC9) and return.

DCE7

RET