Routines
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A73A: Routine at A73A
Used by the routine at A491.
A73A LD DE,($9AC5) DE=*9AC5.
A73E LD HL,$7800 HL=7800.
A741 LD B,$05 B=05.
A743 PUSH BC Stash BC, HL and DE on the stack.
A744 PUSH HL
A745 PUSH DE
A746 LD A,D A=D.
A747 CP $00 Compare A with 00.
A749 JR C,$A752 Jump to A752 if A is less than 00.
A74B CP $18 Compare A with 18.
A74D JR NC,$A752 Jump to A752 if A is greater than or equal to 18.
A74F CALL $A75D Call A75D.
A752 POP DE Restore DE and HL from the stack.
A753 POP HL
A754 LD BC,$0018 BC=0018.
A757 ADD HL,BC HL+=BC.
A758 INC D Increment D by one.
A759 POP BC Restore BC from the stack.
A75A DJNZ $A743 Decrease counter by one and loop back to A743 until counter is zero.
A75C RET Return.
A75D PUSH HL Stash HL on the stack.
A75E CALL CalculateScreenBuffer Call CalculateScreenBuffer.
A761 EX DE,HL Exchange the DE and HL registers.
A762 POP HL Restore HL from the stack.
A763 DEC E Decrease E by one.
A764 LD B,$08 B=08.
A766 PUSH BC Stash BC and DE on the stack.
A767 PUSH DE
A768 LDI LDI.
A76A LDI LDI.
A76C LDI LDI.
A76E POP DE Restore DE from the stack.
A76F INC D Increment D by one.
A770 POP BC Restore BC from the stack.
A771 DJNZ $A766 Decrease counter by one and loop back to A766 until counter is zero.
A773 RET Return.
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