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Download 620 WinLoader, Version 5.4, User Manual
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3.9 AND Logical Operator Instructions, Continued Refer to Table 3-47 for AND specifications. Table 3-47 AND Specifications SPECIFICATION DESCRIPTION CPM Compatibility 620-11/12/14/1631/1633/36 LCs Symbol Usage Characteristics Performs AND operation on two 16-bit data words (see Figure 3-40). • Each bit of one word is ANDed with corresponding bit position in other; for example: – bit position zero is always ANDed with bit position zero; – bit position seven is always ANDed with bit position seven; – and so on. • Data manipulation instructions are used to place the two words onto stack; AND instruction tells processor to: – AND last word placed on stack with next word placed there; – then to write results of operation back to stack; – resulting word can then be read from stack by another data manipulation instruction and used as any other 16-bit data. • Operates on 16-bit integer data only. Programming keystrokes Perform the following steps to program an AND instruction in a line of logic. Step 1 2 3 Action Press [F9] to select Operators Logic Group. Press [F8] to select Logical Operators Logic Group. Press [F1] to select AND instruction. Continued on next page 4/05 620 WinLoader Programming Reference 49
