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SIMTEL20
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SCAPS.Z80
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2000-06-30
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384b
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22 lines
;
; SYSLIB Module Name: SCAPS
; Author: Richard Conn
; SYSLIB Version Number: 3.6
; Module Version Number: 1.1
public caps
;
; CAPS -- Capitalize ASCII Character in A
;
CAPS:
AND 7FH ; MASK OUT MSB
CP 61H ; LESS THAN SMALL LETTER A?
RET C
CP 7AH+1 ; BETWEEN SMALL A AND SMALL Z?
RET NC
AND 5FH ; REMOVE BIT 5 TO CAPITALIZE (0X0X XXXX)
RET
END