Routines
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F662: Print Clipped
Used by the routine at JumpTable_PrintClipped.
Prints a clipped rectangular run of characters.
Print_Clipped F662 LD L,A Keep the tile ID in L.
F663 LD A,E Store the width in *Print_Width.
F664 LD ($6416),A
Print_Clipped_Target F667 LD A,($6416) Reload the remaining width from *Print_Width.
F66A LD E,A
F66B LD A,($6419) Jump to Print_Clipped_Branch if this row is inside *ClipWindow.
F66E CP B
F66F JR NC,Print_Clipped_Branch
Print_Clipped_Continue F671 DEC D Skip down until the row is inside the clip window.
F672 RET Z
F673 DEC B
F674 CP B
F675 JR NZ,Print_Clipped_Continue
Print_Clipped_Branch F677 LD A,($641A) Return if this row is below *ClipWindow_MaximumRow.
F67A CP B
F67B RET NC
F67C LD A,($641C) Return if this column is past *641C.
F67F CP C
F680 RET NC
F681 PUSH BC Stash the position on the stack.
F682 LD A,($641B) Jump to Print_Clipped_Branch3 if this column is inside *ClipWindow_MinimumColumn.
F685 CP C
F686 JR NC,Print_Clipped_Branch3
Print_Clipped_Branch2 F688 DEC E Skip left until the column is inside the clip window.
F689 JR Z,Print_Clipped_Skip
F68B DEC C
F68C CP C
F68D JR C,Print_Clipped_Branch2
Print_Clipped_Branch3 F68F PUSH BC Copy BC to the shadow registers (using the stack).
F690 EXX
F691 POP BC
F692 CALL Convert_Coordinate Call Convert_Coordinate.
F695 EXX Switch back.
F696 LD A,L A=the tile ID.
F697 CALL Write_Tile Call Write_Tile.
F69A DEC C Move left one column and loop back to Print_Clipped_Branch3 until the row is done.
F69B LD A,($641C)
F69E CP C
F69F JR NC,Print_Clipped_Skip
F6A1 DEC E
F6A2 JR NZ,Print_Clipped_Branch3
Print_Clipped_Skip F6A4 POP BC Restore the position from the stack.
F6A5 DEC D Return if the remaining height is zero.
F6A6 RET Z
F6A7 DEC B Move up one row.
F6A8 JR Print_Clipped_Target Jump to Print_Clipped_Target.
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