Estex-DSS/SHELL/SHELL_EXEC.ASM

; à ¡. ï祩ª 
D8374:	dw	0



;-------------------------------------------------------------
; <20> §¡®à ¨ ¢ë¯®«­¥­¨¥ ¢¢¥¤¥­­ëå ª®¬ ­¤ ¨ ¨¬¥­ ä ©«®¢
;-------------------------------------------------------------
COMP:	call	EVALCMD			; (batch.asm)
	ld	hl,struct_input_line+5
	dec	hl
	;ld	hl,struct_input_line+4;;
	ld	c,(hl)			; ¤«¨­  áâப¨
	ld	b,0
	inc	hl			; struct_input_line+5
	;ld	hl,work_buffer+256;;
.loop:	ld	a,(hl)
	cp	" "
	jr	nz,COMP01
	inc	hl
	dec	c
	jr	nz,.loop
	ret
	;
COMP01:	ld	d,h
	ld	e,l
	add	hl,bc
	ld	(hl),0
	sbc	hl,bc
	ld	a,c
	ex	af,af'
	ld	a," "
	cpir
	jr	nz,COMP005
	inc	c
COMP005: ex	af,af'
	sub	c
	ld	c,a
	ld	hl,CMDLIST		; ᯨ᮪ ª®¬ ­¤ „Ž‘- 
	; de=struct_input_line+5, c=¤«¨­  áâப¨
; ®â bat-®âà ¡®âª¨
COMP004: push	bc
	push	de
COMP000: ld	a,(de)
	cp	"a"
	jr	c,COMP001
	cp	"z"+1
	jr	nc,COMP001
	and	#5F			; a..z -> A..Z
COMP001: cp	(hl)
	jr	nz,COMP002		; ­¥ ¤®á-ª®¬ ­¤ë
	inc	hl
	inc	de
	dec	c
	jr	nz,COMP000
	xor	a
	cp	(hl)
	jr	nz,COMP002
	pop	bc
	pop	bc
	ld	a,(de)
	cp	" "
	jr	nz,NOSPC
	inc	de
NOSPC:	inc	hl
	ld	a,(hl)
	inc	hl
	ld	h,(hl)
	ld	l,a
	jp	(hl)			; ­  á®®â¢. ®¡à ¡®â稪 ¤®á-ª®¬ ­¤ë

; <20>¥ ¤®á-ª®¬ ­¤ë. ’¥áâ ­  § ¤ ­¨¥ ¤¨áª  ¨ § ¯ã᪠䠩« 
COMP002: xor	a
	 LD	C,A
	 CPIR
	inc	hl
	inc	hl
	pop	de
	pop	bc
	ld	a,(hl)
	or	a
	jr	nz,COMP004		; ­ § ¤ ¢ 横«, ¥é¥ ­¥ ¤®è«¨ ª®­æ  ᯨ᪠ ¤®á-ª®¬ ­¤
	ld	h,d
	ld	l,e
	; hl=struct_input_line+5
	ld	b,(hl)			;+0  1-© ᨬ¢®«
	inc	hl
	ld	c,(hl)			;+1  2-© ᨬ¢®«
	inc	hl
	ld	a,(hl)			;+2  3-© ᨬ¢®«
	or	a			; § ¤ ­ ¤¨áª ⨯  "x:" ?
	jr	nz,RUN_EXT		; ­¥â, ¨¬¥¥¬ ¡®«ìè¥ 2-å ᨬ¢®«®¢
	ld	a,":"			; ¯®áâä¨ªá ¡ãª¢ë ¤¨áª 
	cp	c			; 2-© ᨬ¢®«
	jr	nz,RUN_EXT		; § ¤ ­ ­¥ ¤¨áª
	ld	a,b			; 1-© ᨬ¢®«
	cp	"a"
	jr	c,NOUP
	cp	"z"+1
	jr	nc,NOUP
	and	5Fh			; a..z -> A..Z
;!!!!! âãâ ¢®ááâ ­ ¢«¨¢ ¥âáï ¤¨à¥ªâ®à¨ï ¨ ¬®£ãâ ¡ëâì £«îª¨ ­  ­®¢®¬ ï¤à¥
NOUP:	sub	"A"			; ­®¬¥à ¤¨áª 
	ld	c,Dss.ChDisk		; ᬥ­¨âì ⥪. ¤¨áª
	RST	ToDSS
	jp	c,print_err_message	; ¢ë¢®¤ á®®¡é¥­¨ï
	; â¥áâ ­  áãé¥á⢮¢ ­¨¥ ¯ ¯ª¨ ­  楫¥¢®¬ ¤¨áª¥
	ld	hl,system_path		; ¡ãä¥à á¨áâ. ¯ãâ¨
	ld	c,Dss.ChDir		; ãáâ. ⥪. ¯ãâì
	RST	ToDSS
	jp	nc,save_disk_path	; Ok
	; ãáâ. ª®à¥­ì, ­¥â â ª®© ¯ ¯ª¨ ­  ­®¢®¬ ¤¨áª¥
	ld	hl,system_path+1	; ¡ãä¥à á¨áâ. ¯ãâ¨
	ld	(hl),0
	dec	hl
	ld	(hl),'\' 
	ld	c,Dss.ChDir		; ãáâ. ⥪. ¯ãâì
	RST	ToDSS
	jp	c,print_err_message	; ¢ë¢®¤ á®®¡é¥­¨ï
	jp	save_disk_path		; Ok

; § ¤ ­ ­¥ ¤¨áª
RUN_EXT: ex	de,hl			; ¢®ááâ.  ¤à¥á ­ ç «  áâப¨
	ld	(D8374),hl		; struct_input_line+5
	ld	de,T8C1A		; ¡ãä¥à
	ld	bc,4*256 + Dss.EX_Path	; ¢ë¤¥«¨âì à áè. ä ©« 
	RST	ToDSS
	ld	hl,(D8374)		; ¨¬ï ä ©« 
	jr	c,A83D7			; ¢ë¯®«­¨âì exe-ä ©«
	bit	1,a			; ¥áâì à áè. ?
	jr	z,A839D			; ­¥â
	; ¥áâì à áè. ä ©« 
	ld	de,T8C1A		; ¡ãä¥à à áè. ä ©« 
	ld	hl,T8C1E		; "BAT"
	ld	b,3			; ¤«¨­  áà ¢­¥­¨ï
	call	A874E			; áà ¢­¨âì áâப¨
	ld	hl,(D8374)
	jp	z,A83E8			; ¢ë¯®«­¨âì bat-ä ©« (batch.asm)
	jr	A83D7			; ¢ë¯®«­¨âì exe-ä ©«

A839D:	ld	bc,0*256 + Dss.Exec	; § £à. ¨ ¢ë¯®«­¨âì ¯à®£à ¬¬ã
	RST	ToDSS
        ;R10
        CALL    Restore_Screen
        ;R10	
	ret	nc			; Ok
	ld	hl,(D8374)
	cp	3			; ª®¤ ®è¨¡ª¨ "ä ©« ­¥ ®¡­ à㦥­"
	jr	nz,A83DD
	push	hl
	;ld	a,(D96AD)		;; ¤«¨­  áâப¨ (inline.asm)
	ld	a,(struct_input_line+4)	; ¤«¨­  áâப¨
	ld	b,a
A83AF:	ld	a,(hl)
	cp	" "+1
	jr	c,A83B7
	inc	hl
	djnz	A83AF
A83B7:	ld	e,b
	ld	d,0
	add	hl,de
	push	hl
	ld	e,4
	add	hl,de
	pop	de
	ex	de,hl
	ld	c,b
	ld	b,0
	inc	c
	lddr
	inc	hl
	ld	(hl),"."
	inc	hl
	ld	(hl),"B"
	inc	hl
	ld	(hl),"A"
	inc	hl
	ld	(hl),"T"
	pop	hl
	jp	A83E8			; ¢ë¯®«­¨âì bat-ä ©« (batch.asm)


; ‚믮«­¨âì exe-ä ©«
; hl=¨¬ï ä ©« 
A83D7:	ld	bc,0*256 + Dss.Exec	; § £à㧨âì ¯à®£à ¬¬ã, ¢ë¯®«­¨âì ä ©«
	RST	ToDSS
        ;R10
        CALL    Restore_Screen
        ;R10
	ret	nc
A83DD:	cp	DSS_Error.sys.INVALID_HANDLE	; ª®¤ ®è¨¡ª¨ "­¥â ¤¥áªà¨¯â®à "
	jp	nc,print_err_message	; ¢ë¢®¤ á®®¡é¥­¨ï
	xor	a			; ¨­¤¥ªá "Bad command or file name"
	jp	print_err_message