Key layout is standard computer type with ESC, CTRL, RETURN and additional cursor control keys.
2.
The original computer terminals and microcomputers for which WordStar was developed, many running the CP / M operating system, did not have function keys or cursor control keys ( arrow keys, Page Up / Page Down ).
3.
Third-party vendors also produced memory upgrade kits that allowed the Apple III to reach up to 512 KB . Other Apple III built-in features included an 80-column, 24-line display with upper and lowercase characters, a numeric keypad, dual-speed ( pressure-sensitive ) cursor control keys, 6-bit ( DAC ) audio, and a built-in 140 KB 5.25 " floppy disk drive.
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