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scomphd.mac
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1984-04-29
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462b
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28 lines
;
; SYSLIB Module Name: SCOMPH
; Author: Richard Conn
; SYSLIB Version Number: 2.0
; Module Version Number: 1.0
; Module Entry Points:
; COMPHD
; Module External References:
; None
;
;
; SCOMPHD --
; Compare HL with DE. On return, Zero means HL=DE; Carry means
; HL<DE.
; PSW is affected. HL and DE are not.
;
COMPHD::
MOV A,H ; COMPARE HIGH
CMP D
RNZ ; IF NOT ZERO, FLAGS ARE SET
MOV A,L ; COMPARE LOW
CMP E
RET
END