| Routines

7C64: Print an inventory item

Used by the routine at 7C02. Prints the safe key, Science Lab storeroom key, frog, left or right half of the water pistol, or stinkbombs in one of the inventory slots.
Input
A | Attribute byte
BC | UDG address
DE | Display file address
7C64 | LD D,$5A | Set the attribute byte
7C66 | LD (DE),A
7C67 | LD D,$50 | Point DE back at the display file
7C69 | LD A,(BC) | Copy the UDG onto the screen
7C6A | INC C
7C6B | LD (DE),A
7C6C | INC D
7C6D | BIT 3,D
7C6F | JR Z,$7C69
7C71 | LD C,$E8 | Reset C
7C73 | INC E | Move DE to the next slot in the on-screen inventory
7C74 | RET |