cF esgcT

Of lsec T

û ItlOLOI 0 tOOOOi package. As discussed earlier, the memory requirements range from 12K to 24K, depending on the program features required.

Two MIKBUG-type calls are made from the software package:

INEEE (E1 AC)— Input a character from the keyboard into the A accumulator.

OUT (E07E) —Output an ASCII string from memory to the display until a 04 hex is reached.

If another CPU card speed is used which differs from the basic SWT PC 6800 clock (17971 MHz), a number of program delay functions must be changed. Tablel is a list of these constants. Other


Address (Hex)


60 Hz receive

0 0

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