z80_crt0.hdr

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;
;	Header file which contains all required variables from the
;	startup that need to be exposed to individual C files
;
;	Stick in this file any routines which are needed or implicitly
;	implied by sccz80.
;
;       This file is included by every module
;       To handle multi module programs which use floating point
;       routines in different modules, we have got rid of
;       the conditional assembly around the float routines
;
;	$Id: z80_crt0.hdr,v 1.5 2002/04/07 12:31:14 dom Exp $

        XREF    base_graphics	; Address of graphics screen

	XREF	_cpfar2near	; Far->near conversion (z88)
	XREF	packintrout	; Process interrupt (z88 apps)

        XREF    l_dcal		; jp(hl)
        XREF    cleanup		; cleanup before program exit


;------------------------------------
; Scopes for integer library routines
;------------------------------------

	LIB    l_getptr		;Get 3 byte pointer
	LIB    l_putptr		;Put 3 byte pointer
        LIB    l_gchar		;Get signed char
        LIB    l_sxt		;Sign extend char
        LIB    l_gint		;Get int
	LIB    l_gint_eq	;Get int and test == 0
	LIB    l_ghtonsint	;Get reverse order int
        LIB    l_pint		;Put int
	LIB    l_pint_eq	;Put int and test == 0
	LIB    l_pint_pop	;Put int and pop place address
	LIB    l_pint_ex	;Put int hl to addr de return addr in hl
        LIB    l_or		;Int logical or
        LIB    l_xor		;Int logical xor
        LIB    l_and		;Int logical and
        LIB    l_eq		;Int equality
        LIB    l_ne		;Int inequality
        LIB    l_gt		;Int signed >
        LIB    l_le		;Int signed <=
        LIB    l_ge		;Int signed >=
        LIB    l_lt		;Int signed <
        LIB    l_uge		;Int unsigned >=
        LIB    l_ult		;Int unsigned <
        LIB    l_ugt		;Int unsigned >
        LIB    l_ule		;Int unsigned <=
        LIB    l_cmp		;Int signed compare
        LIB    l_ucmp		;Int unsigned compare
        LIB    l_asr		;Int signed >>
	LIB    l_asr_u		;Int unsigned >>
        LIB    l_asl		;Int <<
        LIB    l_sub		;Int subtract
        LIB    l_neg		;Int negate
        LIB    l_com		;Int ~
        LIB    l_lneg		;Int logical negate
        LIB    l_bool		;Int boolean tetst
        LIB    l_cm_de		;
        LIB    l_cm_bc
        LIB    l_deneg
        LIB    l_bcneg
        LIB    l_case		;Integer case
        LIB    l_mult		;Integer *
        LIB    l_div		;Integer signed /
        LIB    l_div_u		;Integer unsigned /

;------------------
;Long functions now
;------------------

	LIB	lpush2		;Push a long under the stack
	LIB     l_int2long_s	;Int->long signed conversion
	LIB     l_long2int_s	;Long->int signed conversion
	LIB     l_glong		;Get long
	LIB     l_long_add
	LIB     l_long_and
	LIB     l_long_asl
	LIB     l_long_asr
	LIB     l_long_aslo	;Long << shift in c
	LIB     l_long_asro	;Long >> shift in c (signed)
	LIB     l_long_bool
	LIB     l_long_cmp
	LIB     l_long_com
	LIB     l_long_eq
	LIB     l_long_ge
	LIB     l_long_gt
	LIB     l_long_le
	LIB     l_long_lneg
	LIB     l_long_lt
	LIB     l_long_ne
	LIB     l_long_neg
	LIB     l_long_or
	LIB     l_long_sub
	LIB     l_long_ucmp
	LIB     l_long_uge
	LIB     l_long_ugt
	LIB     l_long_ule
	LIB     l_long_ult
	LIB     l_long_xor
	LIB     l_plong
	LIB     l_inclong	;Increment long
	LIB     l_declong	;Decrement long
	LIB     l_long_div
	LIB     l_long_div_u
	LIB     l_long_mult
	LIB     l_long_asr_u	;Long unsigned >>
	LIB     l_long_asr_uo	;Long unsigned >> shift in c
	LIB     l_long_case

;--------------------------------------------------------------
; Floating point support routines, mostly in library
;--------------------------------------------------------------

	LIB	dadd
	LIB	ddiv
	LIB	dsub
	LIB	dmul

	LIB	dge
	LIB	dgt
	LIB	dleq
	LIB	dlt
	LIB	deq
	LIB	dne

	LIB	minusfa		;FA=-FA

	LIB	dswap		;Exchange FA with top of stack
        LIB   	float		;Convert int to float
	LIB   	ufloat		;unsigned int to float
        LIB   	ifix		;Convert float to int

	XREF	dstore		;FA->(de)
	XREF	dload		;FA<-(hl)
	XREF	dldpsh		;(hl)->(stack)
	XREF	dpush		;FA->(stack)
	XREF	dpush2		;FA->(stack under)

	XREF	fa		;may not be needed in this file
	XREF	extra		;dittot
	XREF  	__atof2		;string->fa convsersion


;--------------------------------------------------
; Routines for picking up variables from far memory
;--------------------------------------------------

	LIB	lp_gchar
	LIB	lp_gdoub
	LIB	lp_gint
	LIB	lp_glong
	LIB	lp_gptr
	LIB	lp_pchar
	LIB	lp_pdoub
	LIB	lp_pint
	LIB	lp_plong
	LIB	lp_pptr