Routines
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C9CF: Fill Chamber
Used by the routines at ReloadRevolver, FireRevolver, FlashChamber and DrawRevolverDisplay.
Fills a two-by-two block of screen attributes from HL.
Input
A The attribute
HL The address of the first attribute
Set the size of the block.
FillChamber C9CF LD BC,$0202 Set the width and height to 02.
C9D2 LD DE,$001E Set the distance to the next row to 1E.
Fill each row.
FillChamber_Row C9D5 PUSH BC Stash the width and height on the stack.
FillChamber_Attribute C9D6 LD (HL),A Set an attribute.
C9D7 INC HL Move on.
C9D8 DJNZ FillChamber_Attribute Jump to FillChamber_Attribute until the row is done.
C9DA ADD HL,DE Move on to the next row.
C9DB POP BC Restore the width and height from the stack.
C9DC DEC C Jump to FillChamber_Row until all of the rows are done.
C9DD JR NZ,FillChamber_Row
C9DF RET Return.
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