drmacros.equ

一个dos操作系统DRDOS的源码

;    File              : $DRMACROS.EQU$
;
;    Description       :
;
;    Original Author   : DIGITAL RESEARCH
;
;    Last Edited By    : $CALDERA$
;
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;    *** Current Edit History ***
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;    $Log$
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;    ENDLOG
;   09-Nov-88 made RETF conditional for MASM 5.1/TASM 1.0

FALSE	equ	0
TRUE	equ	(not FALSE)

ifndef	@filename			;; Turbo Assembler always knows RETF
                            ;; some versions of MASM do as well
retf	macro				;; define far return macro for others
	db	0cbh
	endm
endif

jmps	macro	l
	jmp	short l
	endm

pushx	macro	regs
	irp	r,<regs>
	push	r
	endm
	endm

popx	macro	regs
	irp	r,<regs>
	pop	r
	endm
	endm

incx	macro	regs
	irp	r,<regs>
	inc	r
	endm
	endm

decx	macro	regs
	irp	r,<regs>
	dec	r
	endm
	endm

rb	macro	count
	db	count dup (?)
	endm

rw	macro	count
	dw	count dup (?)
	endm

rd	macro	count
	dd	count dup (?)
	endm