Move constructor code into the INIT segment

git-svn-id: svn://svn.cc65.org/cc65/trunk@3406 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/apple2/cputc.s

@@ -14,15 +14,22 @@
 
 	.include	"apple2.inc"
 
+; ------------------------------------------------------------------------
+; Initialization
+
+.segment        "INIT"
+
 initconio:
 	lda	#$FF		; Normal character display mode
 	sta	INVFLG
 	lda	#$00
-	jsr	SETWND		; Reset text window to full screen
+       	jmp	SETWND		; Reset text window to full screen
-	rts
 
+; ------------------------------------------------------------------------
 ; Plot a character - also used as internal function
 
+.code
+
 _cputcxy:
      	pha			; Save C
      	jsr	popa		; Get Y
@@ -56,8 +63,7 @@ newline:
      	bne	:+
      	lda	#$00
      	sta	CV
-:	jsr	BASCALC
+:      	jmp     BASCALC
-	rts
 
 putchar:
      	and	INVFLG		; Apply normal, inverse, flash

libsrc/apple2/dosdetect.s

@@ -29,6 +29,8 @@
 ; - "Apple II ProDOS 8 TechNote #023: ProDOS 8 Changes and Minutia"
 ; - ProDOS TechRefMan, chapter 5.2.4
 
+.segment        "INIT"
+
 initdostype:
 	lda	MLI
 	cmp	#$4C		; Is MLI present? (JMP opcode)

libsrc/apple2/get_ostype.s

@@ -10,6 +10,11 @@
 ; Identify machine according to:
 ; "Apple II Miscellaneous TechNote #7: Apple II Family Identification"
 
+; ------------------------------------------------------------------------
+; Initialization
+
+.segment        "INIT"
+
 initostype:
 	sec
 	jsr	$FE1F
@@ -30,6 +35,10 @@ next:	inx
 	bne	:-
 	beq	next		; Branch always
 
+; ------------------------------------------------------------------------
+
+.code
+
 _get_ostype:
 	lda	ostype
 	ldx	#$00

libsrc/apple2/mainargs.s

@@ -35,13 +35,20 @@ BASIC_BUF_LEN = 239
 FNAM_LEN = $280
 FNAM = $281
 
-	.assert		MAXARGS <= (BASIC_BUF_LEN - 2)/2, error, "Too many arguments"
 MAXARGS	 = 10			; Maximum number of arguments allowed
 REM	 = $B2			; BASIC token-code
 NAME_LEN = 15			; maximum length of command-name
         
-; Get possible command-line arguments.
+; Validate sizes
-;
+.if     MAXARGS > (BASIC_BUF_LEN - 2)/2
+.error  "Too many arguments"
+.endif
+
+; Get possible command-line arguments. Goes into the special INIT segment,
+; which may be reused after the startup code is run
+
+.segment        "INIT"
+
 initmainargs:
 
 ; Assume that the program was loaded, a moment ago, by the traditional LOAD