| Routines

E700: Copy a play area tile into the back buffer

Used by the routine at E70C.
Input
HL | Play area tile base address
E700 | LD DE,$A01E | The first byte of the back buffer is at A01E
This entry point is also used by the routine at E70C (with HL=A01E and DE holding a display file address) to copy the tile from the back buffer to the screen.
E703 | LD B,$08 | There are 8 bytes to copy
E705 | LD A,(HL) | Copy the 8 tile bytes to the back buffer or the screen
E706 | LD (DE),A
E707 | INC H
E708 | INC D
E709 | DJNZ $E705
The address of this entry point is placed into bytes 0x08 and 0x09 of a policeman's buffer by the routine at 6100, and is also found in the command lists at FDAC and FE94.
E70B | RET |