Spectrum ROM: System variable at 5CB6

5CB6: Channel information

Initialised by the routine at NEW (from the initial channel information table), read by the routines at CHAN_FLAG, CLOSE_2 and OPEN, and updated by the routine at KEY_INPUT. For each channel the output routine address comes before the input routine address and the channel's code.
CHINFO	5CB6	DEFW PRINT_OUT	Keyboard.
	5CB8	DEFW KEY_INPUT
	5CBA	DEFB "K"
	5CBB	DEFW PRINT_OUT	Screen.
	5CBD	DEFW REPORT_J
	5CBF	DEFB "S"
	5CC0	DEFW ADD_CHAR	Work space.
	5CC2	DEFW REPORT_J
	5CC4	DEFB "R"
	5CC5	DEFW PRINT_OUT	Printer.
	5CC7	DEFW REPORT_J
	5CC9	DEFB "P"
	5CCA	DEFB $80	End marker.