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Elite on the BBC Micro

Text: TT46 (Cassette version)

Name: TT46 [View in context] Type: Subroutine Category: Text Summary: Print a character and switch to capitals
Print a character and clear bit 6 in QQ17, so that the next letter that gets printed after this will start with a capital letter. Arguments: A The character to be printed. Can be one of the following: * 7 (beep) * 10-13 (line feeds and carriage returns) * 32-95 (ASCII capital letters, numbers and punctuation) X Contains the current value of QQ17 QQ17 Bits 6 and 7 are set
.TT46 PHA \ Store the token number TXA \ Clear bit 6 in QQ17 (X contains the current QQ17) so AND #%10111111 \ the next letter after this one is printed in upper STA QQ17 \ case PLA \ Restore the token number into A \ Now fall through into TT74 to print the character