FFORMAT/MAIN.ASM

; Š®¤ ”®à¬ â¨«ª¨ (¡¥§ ¥å¥-§ £®«®¢ª ) 㯠ª®¢ ­ Hrust v1.2
;


; ®¯¨á ­¨¥ ds xx
; %imacro ds 1
; times %1 db 0
; %endmacro

		include './shared_includes/constants/dss_equ.inc'
		include './shared_includes/constants/bios_equ.inc'

		org	#9200 - exe_begin.size

exe_begin:	db	'EX'		; exe ID
		db	'E'		; exe ⨯
		db	1		; exe ¢¥àá¨ï
		DWORD	exe_begin.size	; ᬥé. ª®¤ 
		dw	0		; end-beg, ¯¥à¢¨ç­ë© § £àã§ç¨ª
		dw	0,0		; १¥à¢
		dw	0		;
		dw	Packed		;  ¤à¥á § £à㧪¨ ª®¤ 
		dw	Start		;  ¤à¥á ¯¥à¥¤ ç¨ ã¯à ¢«¥­¨ï
		dw	#C000		;  ¤à¥á á⥪ 
		;ds	490		; १¥à¢
.size		EQU	$-exe_begin


		org	#9200
Packed:		incbin 'build/format.hrs'


Start:		ld	c,0			; 㧭 âì ¢¥àá¨î „Ž‘
		RST	ToDSS
		ld	hl,0145h		; 1.69
		and	a
		sbc	hl,de
		jr	c,ok			; > 1.69
		;
		ld	hl,ver_err
		ld	c,5Ch
		RST	ToDSS
		ld	bc,#2641
		RST	ToDSS
		ret

ver_err:	db	"Invalid DSS version, DSS 1.70 or higher is required.",0Dh,0Ah,0


ok:		LD	HL,#6200			;!HARDCODE
		LD	BC,Dss.AppInfo.EXE_HomeDir
		RST	ToDSS
		;
		ld	hl,Packed	; 㯠ª. ¤ ­­ë¥
		ld	de,6400h	; ªã¤  à á¯ ª®¢ âì
		push	de		;  ¤à¥á ¯¥à¥å®¤ 

; ä®à¬ â 㯠ª. ä ©« :
;  +0 (word) "HR" - ᨣ­ âãà 
;  +2 (word) - ¤«¨­  ¨á室­®£® ä ©« 
;  +4 (word) - ¤«¨­  㯠ª®¢ ­­®£® ä ©« 

; <20> á¯ ª®¢é¨ª (DeHrust)

		ld	ix,-12
		add	ix,sp
		push	de
		ld	sp,hl
		pop	bc
		ex	de,hl
		pop	bc
		dec	bc
		add	hl,bc
		ex	de,hl
		pop	bc
		dec	bc
		add	hl,bc
		sbc	hl,de
		add	hl,de
		jr	c,loc1
		ld	d,h
		ld	e,l
loc1:		lddr
		ex	de,hl
		ld	d,(ix+11)
		ld	e,(ix+10)
		ld	sp,hl
		pop	hl
		pop	hl
		pop	hl
		ld	b,6
loc2:		dec	sp
		pop	af
		ld	(ix+6),a
		inc	ix
		djnz	loc2
		exx
		ld	d,0BFh
		ld	bc,1010h
		pop	hl
loc3:		dec	sp
		pop	af
		exx
loc4:		ld	(de),a
		inc	de
loc5:		exx
loc6:		add	hl,hl
		djnz	loc7
		pop	hl
		ld	b,c
loc7:		jr	c,loc3
		ld	e,1
loc8:		ld	a,80h
loc9:		add	hl,hl
		djnz	loc10
		pop	hl
		ld	b,c
loc10:		rla
		jr	c,loc9
		cp	3
		jr	c,loc11
		add	a,e
		ld	e,a
		xor	c
		jr	nz,loc8
loc11:		add	a,e
		cp	4
		jr	z,loc26
		adc	a,0FFh
		cp	2
		exx
loc12:		ld	c,a
loc13:		exx
		ld	a,0BFh
		jr	c,loc17
loc14:		add	hl,hl
		djnz	loc15
		pop	hl
		ld	b,c
loc15:		rla
		jr	c,loc14
		jr	z,loc16
		inc	a
		add	a,d
		jr	nc,loc18
		sub	d
loc16:		inc	a
		jr	nz,loc20
		ld	a,0EFh
loc17:		rrca
		cp	a
loc18:		add	hl,hl
		djnz	loc19
		pop	hl
		ld	b,c
loc19:		rla
		jr	c,loc18
loc20:		exx
		ld	h,0FFh
		jr	z,loc21
		ld	h,a
		dec	sp
		inc	a
		jr	z,loc24
		pop	af
loc21:		ld	l,a
		add	hl,de
		ldir
loc22:		jr	loc5
		;
loc23:		exx
		rrc	d
		jr	loc6
		;
loc24:		pop	af
		cp	0E0h
		jr	c,loc21
		rlca
		xor	c
		inc	a
		jr	z,loc23
		sub	10h
loc25:		ld	l,a
		ld	c,a
		ld	h,0FFh
		add	hl,de
		ldi
		dec	sp
		pop	af
		ld	(de),a
		inc	hl
		inc	de
		ld	a,(hl)
		jr	loc4
		;
loc26:		ld	a,80h
loc27:		add	hl,hl
		djnz	loc28
		pop	hl
		ld	b,c
loc28:		adc	a,a
		jr	nz,loc31
		jr	c,loc27
		ld	a,0FCh
		jr	loc32
		;
loc29:		dec	sp
		pop	bc
		ld	c,b
		ld	b,a
		ccf
		jr	loc13
		;
loc30:		cp	0Fh
		jr	c,loc29
		jr	nz,loc12
		add	a,0F4h
		ld	sp,ix
		jr	loc34
		;
loc31:		sbc	a,a
		ld	a,0EFh
loc32:		add	hl,hl
		djnz	loc33
		pop	hl
		ld	b,c
loc33:		rla
		jr	c,loc32
		exx
		jr	nz,loc25
		bit	7,a
		jr	z,loc30
		sub	0EAh
loc34:		ex	de,hl
loc35:		pop	de
		ld	(hl),e
		inc	hl
		ld	(hl),d
		inc	hl
		dec	a
		jr	nz,loc35
		ex	de,hl
		jr	nc,loc22
		ret