Table 1. Sample Tool File 11

Table 2. Default Parameter File 13

Table 3. Word-starting Letters 16

Table 4. Modal Groups 20

Table 5. G Codes 22

Table 6. Code to Probe Hole 28

Table 7. M Codes 38

Table 8. Order of Execution 41

Table 9. Canonical Machining Functions Called By Interpreter 44

Table 10. Transcript of an SAI Session Using Keyboard Input 64

Table 11. Makefile for Interpreter 67

Table 12. NC Program for Figure 3 77

Table 13. NC Program for Figure 5 79

Table 14. Block Attributes 103