*************************************************************************
*																		*
*						Apple //GS Utility Macros						*
*								by										*
*							Lou Infeld									*
*																		*
*					Copyright Apple Computer, Inc. 1986-1988			*
*							All Rights Reserved							*
*************************************************************************

;...............................................................
;	IncLong - our name for incl - SP - 4/27/89
;...............................................................
		 MACRO
&lab	 IncLong	&address
&lab
		 incl		&address
		 MEND
;...............................................................
;
;        Inc Long word
;...............................................................
         MACRO
&lab     incl		&address
&lab
         inc  &address
         bne  ~t&sysindex
         inc  &address+2
~t&sysindex
         MEND
;...............................................................
;	DecLong - our name for decl - SP - 4/27/89
;...............................................................
		 MACRO
&lab	 DecLong	&address
&lab	
		 decl		&address
		 MEND
;...............................................................
;
;        Dec Long word
;...............................................................
         MACRO
&lab     decl		&address
&lab
         lda  &address
         bne  ~t&sysindex
         dec  &address+2
~t&sysindex
         dec  &address
         MEND
;...............................................................
;
;        Define string
;
;        Generates a Pascal type of string
;...............................................................
	MACRO
	str	&string
		lcla	&params
		lcla	&length
		lclc	&sset
		lclc	&temp

&params	seta &nbr(&syslist)
&length	seta 0

		WHILE (&params) DO
&temp		setc &syslist[&params]
			IF (&substr(&temp,1,1) = '''') THEN
				IF (&substr(&temp,&len(&temp),1) = '''') THEN
&length				seta &length+&len(&temp)-2
				ELSE
					AERROR "STR macro: Mismatched string delimiters"
				ENDIF
			ELSE
&length			seta &length+1
			ENDIF
			
&temp		setc &substr(&temp,2,&len(&temp))
			WHILE (&pos('''''',&temp) > 0) DO
&length			seta &length-1
&temp			setc &substr(&temp,&pos('''''',&temp)+2,&len(&temp))
			ENDWHILE
			
&params		seta &params-1
		ENDWHILE

		DC.B &length

&sset	SETC &SETTING('STRING')
		STRING ASIS

&params	seta &nbr(&syslist)
&length	seta 1
		WHILE (&length ² &params) DO
			DC.B &syslist[&length]
&length		seta &length+1
		ENDWHILE
		
		STRING &sset
	MEND
	
	
		MACRO
		hexdata &op
	
		lcla &length
		lcla &index
		lcla &count
		lclc &thestr
&thestr	setc ''
&length	seta &len(&op)
&index  seta 1
&count	seta 0

		WHILE (&length) DO
		
&thestr		setc &concat(&thestr,',$',&substr(&op,&index,2))
			IF (&count = 20) THEN
&count			seta 0
				DC.B &substr(&thestr,2,&len(&thestr)-1)
&thestr			setc ''
			ENDIF

&count		seta &count+1
&index		seta &index+2		
&length 	seta &length-2
			IF (&length<0) THEN
				aerror 'hexdata: operand has an odd number of nibbles'
				MEXIT
			ENDIF
		ENDWHILE

		IF (&count ­ 1) THEN
			DC.B &substr(&thestr,2,&len(&thestr)-1)
		ENDIF
		
		MEND
;...............................................................
;
;        Turn on native mode
;
;    The processor is put into 'native' mode.  8 bit or 16 bit
;    mode can be specified by using 'short' or 'long' as the
;    parameter.  If no parameter is specified, 'long' is assumed
;...............................................................
	MACRO
	native &mode
		clc
		xce
	IF &mode­'' THEN
		&mode
	ELSE
		long
	ENDIF
	MEND
;...............................................................
;
;        Turn on emulation mode
;
;    The processor is put into 'emulation' mode.
;...............................................................
	MACRO
	emulation
		sec
		xce
		longa	off
		longi	off
	MEND
;...............................................................
;
;        Set Memory & registers to 16 bits
;...............................................................
	MACRO
	long
		rep		#%00110000
		longa	on
		longi	on
	MEND
;...............................................................
;
;        Set Memory & A register to 16 bits
;...............................................................
	MACRO
	longm
		rep		#%00100000
		longa	on
	MEND
;...............................................................
;
;        Set X & Y registers to 16 bits
;...............................................................
	MACRO
	longx
		rep		#%00010000
		longi	on
	MEND
;...............................................................
;
;        Set Memory & registers to 8 bits
;...............................................................
	MACRO
	short
		sep		#%00110000
		longa	off
		longi	off
	MEND
;...............................................................
;
;        Set Memory & A register to 8 bits
;...............................................................
	MACRO
	shortm
		sep		#%00100000
		longa	off
	MEND
;...............................................................
;
;        Set X & Y registers to 8 bits
;...............................................................
	MACRO
	shortx
		sep		#%00010000
		longi	off
	MEND