Apple-2-SW/EightBall
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Added documentation for character constants.

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Bobbi Webber-Manners 2018-05-03 10:22:45 -04:00 committed by GitHub
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@ -308,6 +308,11 @@ or hex:
byte a = $0a
word w = $face
or character:
byte c = 'a'
word w = 'Z'
### Operators
EightBall supports most of C's arithmetic, logical and bitwise operators. They have the same precedence as in C as well. Since the Commodore machines do not have all the ASCII character, some substitutions have been made (shown in parenthesis below.)
@ -717,6 +722,12 @@ This is for setting the text video mode on the Apple II only. It only works in
#### kbd.ch
Allows a single character to be read from the keyboard. Be careful - this function assumes the argument passed to it a pointer to a byte value into which the character may be stored.
Character literals may be used with `kbd.ch`:
pr.ch 'A'
Or we can print a character obtained from the keyboard:
byte c = 0
while 1
kbd.ch &c