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/usr/share/z88dk/lib/ace_crt0.asm is in z88dk-data 1.8.ds1-10.

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;       CRT0 stub for the Jupiter ACE
;
;       Stefano Bodrato - Feb 2001
;
;	$Id: ace_crt0.asm,v 1.7 2007/06/27 20:49:27 dom Exp $
;


                MODULE  ace_crt0

;
; Initially include the zcc_opt.def file to find out lots of lovely
; information about what we should do..
;

                INCLUDE "zcc_opt.def"

; No matter what set up we have, main is always, always external to
; this file

                XREF    _main
		XDEF	snd_tick
;
; Some variables which are needed for both app and basic startup
;

        XDEF    cleanup
        XDEF    l_dcal

; Integer rnd seed

        XDEF    _std_seed

; vprintf is internal to this file so we only ever include one of the set
; of routines

	XDEF	_vfprintf

;Exit variables

        XDEF    exitsp
        XDEF    exitcount

;For stdin, stdout, stder

        XDEF    __sgoioblk

       	XDEF	heaplast	;Near malloc heap variables
	XDEF	heapblocks

; Graphics stuff
	XDEF	base_graphics
	XDEF	coords

; Now, getting to the real stuff now!

        org     16384

.start
        ld      hl,0
        add     hl,sp
        ld      (start1+1),hl
        ld      hl,-64
        add     hl,sp
        ld      sp,hl
        ld      (exitsp),sp

IF !DEFINED_nostreams
IF DEFINED_ANSIstdio
; Set up the std* stuff so we can be called again
	ld	hl,__sgoioblk+2
	ld	(hl),19	;stdin
	ld	hl,__sgoioblk+6
	ld	(hl),21	;stdout
	ld	hl,__sgoioblk+10
	ld	(hl),21	;stderr
ENDIF
ENDIF
        call    _main
.cleanup
;
;       Deallocate memory which has been allocated here!
;
	push	hl
IF !DEFINED_nostreams
IF DEFINED_ANSIstdio
	LIB	closeall
	call	closeall
ENDIF
ENDIF
	pop	bc
.start1
        ld      sp,0
	jp (iy)		; To the Jupiter ACE FORTH system

.l_dcal
        jp      (hl)

; Now, define some values for stdin, stdout, stderr

.__sgoioblk
IF DEFINED_ANSIstdio
	INCLUDE	"#stdio_fp.asm"
ELSE
        defw    -11,-12,-10
ENDIF


; Now, which of the vfprintf routines do we need?


._vfprintf
IF DEFINED_floatstdio
	LIB	vfprintf_fp
	jp	vfprintf_fp
ELSE
	IF DEFINED_complexstdio
		LIB	vfprintf_comp
		jp	vfprintf_comp
	ELSE
		IF DEFINED_ministdio
			LIB	vfprintf_mini
			jp	vfprintf_mini
		ENDIF
	ENDIF
ENDIF


;Seed for integer rand() routines

._std_seed       defw    0

;Atexit routine

.exitsp
                defw    0
.exitcount
                defb    0

; Heap stuff

.heaplast	defw	0
.heapblocks	defw	0

; mem stuff

.base_graphics
		defw	$2400
.coords		defw	0
.snd_tick	defb	0

         defm  "Small C+ J.ACE"
	 defb  0

;All the float stuff is kept in a different file...for ease of altering!
;It will eventually be integrated into the library
;
;Here we have a minor (minor!) problem, we've no idea if we need the
;float package if this is separated from main (we had this problem before
;but it wasn't critical..so, now we will have to read in a file from
;the directory (this will be produced by zcc) which tells us if we need
;the floatpackage, and if so what it is..kludgey, but it might just work!
;
;Brainwave time! The zcc_opt file could actually be written by the
;compiler as it goes through the modules, appending as necessary - this
;way we only include the package if we *really* need it!

IF NEED_floatpack
        INCLUDE         "#float.asm"

;seed for random number generator - not used yet..
.fp_seed        defb    $80,$80,0,0,0,0
;Floating point registers...
.extra          defs    6
.fa             defs    6
.fasign         defb    0

ENDIF