The Trap Door: Routine at EC53

EC53: Script Routine: (21) Start script loop with count

Start a counted script loop for the current entity.
ScriptRoutine_StartScriptLoop	EC53	INC HL	Advance HL past the current script instruction.
	EC54	INC HL	Advance HL past the current script instruction.
	EC55	LD A,(HL)	Fetch the next script byte.
	EC56	LD ($7301),A	Set the script loop counter (ScriptLoopCounter).
	EC59	INC HL	Advance HL past the loop-count operand onto the loop body.
	EC5A	INC HL	Advance HL past the loop-count operand onto the loop body.
	EC5B	LD ($72FD),HL	Store HL in the script loop restart pointer (Pointer_ScriptLoopRestart).
	EC5E	JP ScriptInstruction	Jump to ScriptInstruction to execute the script instruction at HL.