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Writes a character to the currently selected output stream(s), expanding carriage return to a newline sequence.


 6502   Z80   6809   PDP11   80x86   32016   ARM  On entry: On exit:
A A A R0 AL R1 R0 = ASCII value of character to print preserved

Prints the character whose ASCII value is in A to the currently selected output stream(s) via OSWRCH. If A = &0D then OSASCI prints LF followed by CR.

Calling from BBC BASIC

  • All normal BASIC output is via OSWRCH or WRCHV. 6502 BASIC outputs the "Bad Program" message via OSASCI.

Entry points

  • BBC BASIC Entry Address: &FFE3
  • 6502 Entry Address: &FFE3
  • Z80 Entry Address: &FFE3
  • 6809 Entry Address: &FFE3
  • 80x86 Entry Address: INT &47, vectors via 0000:011C
  • 32000 Entry Address: SVC &03
  • PDP-11 Entry Address: none
  • ARM Entry Address: none


Jgharston 16:56, 6 November 2009 (UTC)