@Override
	public long rewind(long steps) {
		if (steps < 0) {
			throw new IllegalArgumentException("Cannot rewind a negative number");
		}
		long diff = this.tickCount - steps;
		this.tickCount = Long.max(0, diff);
		return -diff;
	}
Add to the count of this step

@param steps the count to add
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/time/schedule/AbstractStep.java