Technical data

Fig. 4-7 Process interrupt, level triggered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 41
Fig. 4-8 Process interrupt, edge-triggered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 41
Fig. 4-9 Interrupt-driven program execution at block boundaries. . . . . . . . . . . . . . . . . . . . . . . . . 4 - 43
Fig. 5-1 Example of the first screen form page "OUTPUT ISTACK": control bits . . . . . . . . . . . 5 - 11
Fig. 5-2 Example of a screen page "OUTPUT ISTACK" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 18
Fig. 5-3 Example 1 of evaluating the ISTACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 25
Fig 5-4 Example 2 of evaluating the ISTACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 26
Fig. 5-5 Example 2 of evaluating the ISTACK: 1st ISTACK level . . . . . . . . . . . . . . . . . . . . . . . 5 - 27
Fig. 5-6 Example 2 of evaluating the ISTACK: 2nd ISTACK level. . . . . . . . . . . . . . . . . . . . . . . 5 - 28
Fig. 6-1 Effects of the "roll up" function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 15
Fig. 6-2 Effects of the "roll down" function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 15
Fig. 6-3 Storing BSTACK entries in a data block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 55
Fig. 6-4 Contents of the BSTACK in this example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 56
Fig. 6-5 Contents of DX 10 in this example after OB 170 is called . . . . . . . . . . . . . . . . . . . . . . . 6 - 57
Fig. 6-6 Shifting the DB start address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 61
Fig. 6-7 Transferring in bytes (OB 190) and words (OB 192) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 69
Fig. 6-8 Transferring in bytes (OB 191) and words (OB 193) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 72
Fig. 6-9 Saving the areas when the program processing level changes. . . . . . . . . . . . . . . . . . . . . 6 - 75
Fig. 6-10 Swapping the high byte and low byte in a DB using OB 193/OB 190 . . . . . . . . . . . . . . 6 - 76
Fig. 6-11 Location of the page address area on the S5 bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 80
Fig. 6-12 Location of the bytes when writing (OB 216) /
reading (OB 217) to/from a page in words or double words . . . . . . . . . . . . . . . . . . . . . 6 - 81
Fig. 6-13 ACCU contents before calling OB 216 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 83
Fig. 6-14 ACCU contents before calling OB 217 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 85
List of Tables and Figures
CPU 928B Programming Guide
14 - 18 C79000-T8576-C898-01