SUBROUTINE RKB(ICH)
C LIEST EIN ASCII-ZEICHEN ICH VOM KEYBOARD
C FORTRAN II
S	6030		/ CLEAR KEYBOARD FLAG
SIN,	KSF		/ SKIP ON KEYBOARD FLAG
S	JMP IN		/ NOT SET CHECK AGAIN
S	KRB		/ READ KEYBOARD BUFFER CLEAR FLAG
S	AND (077	/ SIX HIGHEST BIT ONLY
S	7002		/ BYTE SWAP
S	TAD (040	/ TO CHANGE IN ASCII
S	DCA I \ICH	/ SAVE IT
	RETURN
	END