Table Example 1: Standard Usage - Motorola MC68340 User Manual

Integrated processor with dma

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Two additional examples show how TBLSN can reduce cumulative error when multiple

table lookup and interpolation operations are used in a calculation. Example 4

demonstrates addition of the results of three table interpolations. Example 5 illustrates use

of TBLSN in surface interpolation.

5.3.4.1 TABLE EXAMPLE 1: STANDARD USAGE. The table consists of 257 word

entries. As shown in Figure 5-7, the function is linear within the range 32768

Table entries within this range are as given in Table 5-13 .

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Table 5-13. Standard Usage Entries

Entry Number

*These values are the end points of the range.

All entries between these points fall on the line.

INDEPENDENT VARIABLE

Figure 5-7. Table Example 1

MC68340 USER'S MANUAL

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