Factorio State Machine

timer A
//inputs:
//signal_red : inverted number of stations still building BPs
//signal_N : Number of grids above and below the center line should be built

//BP Book Pages:
//1: Grid Segment
//2: Horizontal Stub Station
//3: Vertical Stub Station Top
//4: Vertical Stub Station Bottom
//5: Reset next column signal
10: //Initialize and enumerate all variables used
    X = 0 // horizontal offset for building BP
    Y = 0 // vertical offset for building BP
    W = 0 // width of deconstruction area
    H = 0 // height of deconstruction area
    I = 0 // current tile horizontal postion
    J = 0 // current tile vertical position
    C = 0 // contruct/deconstruct signal, map to construction_robot
    B = 60 * 5 //standard wait time, 5 seconds
    G = 256 // Size of grid
    => 30
30: //Wait until N combinator is turned on
    N > 0 => 40
40: //Build initial stub station
    reset A
    C = 2
    => 50
50: //Wait standard wait time
    A > B => 60
60: //Turn off BP
    C = 0
    reset A
    => 70
70: //Wait standard wait time
    A > B => 80
80: //Build Main block
    reset A
    X = G * I
    X = X + 1
    Y = G * J
    C = 1
    => 90
90: //Wait standard wait time
    A > B => 100
100:
    C = 0
    reset A
    => 110
110: //Wait standard wait time
    A > B => 120
120: //Build Stub Station
    reset A
    C = 2
    => 130
130: //Wait standard wait time
    A > B => 140
140: //Turn off BP
    C = 0
    reset A
    I == 0 => 150
	I != 0 => 250
150: //Build vertical stub stations
    J >= 0 => 160
    J < 0 => 210
160: //Build vertical stub station up
    C = 3
    reset A
    =>170
170: //Wait
    A > B => 180
180: //Turn off BP
	C = 0
	reset A
	=> 190
190: //Wait
	A > B => 200
200: //Handle middle row
	J == 0 => 210
    J > 0 => 250
210: //Build vertical stub station down
    C = 4
    reset A
    =>220
220: //Wait
    A > B => 230
230: //Turn off BP
	C = 0
	reset A
	=> 240
240: //Wait
	A > B => 250
250: //Select next cell
	J == 0 => 260
	J > 0 => 270
	J < 0 => 280
260:
	J = 1
	=> 290
270:
	J = J * -1
	=> 290
280:
	J = J * -1
	J = J + 1
	=>290
290: //Check if done
	J <= N => 80
	=> 300
300: //Turn off N circuit
	X = 5
	Y = -20
	C = 5
	reset A
	=> 310
310: //Wait
	A > B => 320
320: //Turn off BP
	C = 0
	reset A
	=> 330
330: //Wait
	A > B => 340
340: //Wait until N signal turned back on
	N > 0 => 80