Routines
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AB73: Push Rope Left
Used by the routine at Update_Rope.
Subtracts two from the velocity of the end of the rope.
Input
HL Address of the velocity (Rope_Velocity)
A Controls
Push_Rope_Left AB73 PUSH AF Keep the controls on the stack.
AB74 DEC (HL) Push the rope to the left by subtracting two from the velocity of its end.
AB75 DEC (HL)
This entry point is used by the routine at Push_Rope_Right.
Push_Rope_Left_Restore_Controls AB76 POP AF Fetch the controls again from the stack.
AB77 RET Return.
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