Introduction - If you have any usage issues, please Google them yourself
With the definition it later. Dw 0000_0011_0000_1100b (said north-south movement), s2 dw 0000_0110_1001_1010b (north and south to the things of the transition) the s3 s4 the dw 0000_1000_0110_0001b (something moving) dw 0000_0100_1101_0011b (something to the north and south of the transition). Offset address of the situation to the SI, the output port from the 4th and hold for five seconds, so that the situation state the, SI+2 go to the next state. (The basic requirements of the flow chart in Figure 2.1)