mirror of https://github.com/pfusik/xasm.git
X-BOOT 4.0 beta 2.
This commit is contained in:
Piotr Fusik
parent
da00b4d6b8
commit
8fd13bc4f4
586
xboot.asm
586
xboot.asm
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@ -1,181 +1,437 @@
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; ><-B00T III b. Fox
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; ><-B00T IV b. Fox
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IDEAL
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P386
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MODEL TINY
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CODESEG
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ORG 100h
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include 'fox.mak'
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zero db 100h dup(?)
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blen = 60*1024
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m_pro = 1 ; /p switch
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m_wild = 2 ; obx has wild char
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m_errs = 4 ; error/warning occured while current file
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m_donta = 8 ; don't change output ext to atr
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ffnam = 80h+1eh
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eol equ 13,10
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eot equ 13,10,'$'
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MACRO lda _rg ;shorter than 'mov (e)ax, _rg'
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_rge SUBSTR <_rg>, 1, 1
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IFIDNI _rge, <e>
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xchg eax, _rg
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ELSE
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xchg ax, _rg
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ENDIF
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ENDM
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MACRO sta _rg ;shorter than 'mov _rg, (e)ax'
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_rge SUBSTR <_rg>, 1, 1
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IFIDNI _rge, <e>
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xchg _rg, eax
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ELSE
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xchg _rg, ax
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ENDIF
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ENDM
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MACRO dos _func
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IFNB <_func>
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IF _func and 0ff00h
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mov ax, _func
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ELSE
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mov ah, _func
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ENDIF
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ENDIF
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int 21h
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ENDM
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MACRO file _func
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IFNB <_func>
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IF _func and 0ff00h
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mov ax, _func
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ELSE
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mov ah, _func
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ENDIF
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ENDIF
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call xdisk
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ENDM
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MACRO jfile _func
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IFNB <_func>
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IF _func and 0ff00h
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mov ax, _func
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ELSE
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mov ah, _func
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ENDIF
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ENDIF
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jmp xdisk
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ENDM
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MACRO print _text
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IFNB <_text>
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mov dx, offset _text
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ENDIF
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dos 9
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ENDM
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start:
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db 1024 dup(0) ;for COMpack
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db 1536 dup(0) ; COMpack sux
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mov [spt], sp
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print hello
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mov di, 81h
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movzx cx, [di-1]
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jcxz usg
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mov al, '?'
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repne scasb
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jne nousg
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usg: mov dx, offset usgtxt
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panic: print
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dos 4c01h
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mov si, 81h ; pobierz argumenty
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mov di, offset obxnam
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mov ch, -1
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getfil: mov ch, -1
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mov al, ' '
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repe scasb
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mov dx, offset fname
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lea si, [di-1]
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cmp [byte si], 0dh
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je usg
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mov di, dx
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movfn1: movsb
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cmp [si], al
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ja movfn1
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mov bx, di
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srchex: dec bx
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cmp [byte bx], '\'
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je addext
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cmp [byte bx], '.'
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je extexs
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cmp bx, dx
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ja srchex
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addext: xchg eax, ebp
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arg1: lodsb
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cmp al, ' '
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je arg1 ; spacje omijamy
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cmp al, '/'
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jne nswit
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lodsb ; '/' - switch
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and al, 0dfh
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cmp al, 'P'
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jne usg
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or [flags], m_pro ; '/P'
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jmp arg1
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nswit: cmp al, 0dh
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je argx
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cmp di, offset atrnam
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ja usg ; byly juz dwie nazwy
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spath: mov dl, -1 ; dolaczaj rozsz.
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cmp di, offset atrnam
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jnb snam1
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and [flags], not m_wild
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mov [onam], di ; onam - adres nazwy PLIKU .obx
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snam1: cmp di, offset atrnam
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ja snam2
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cmp al, '*' ; w obx sprawdzaj wildy
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je wildch
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cmp al, '?'
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jne snam2
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wildch: or [flags], m_wild
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snam2: cmp al, '.'
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jne npoint
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xor dl, dl ; jest rozszerzenie - nie dolaczaj .obx
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npoint: stosb ; przepisz nazwe
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lodsb
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cmp al, ' ' ; spacja lub eol konczy
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je snamx
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cmp al, 0dh
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je snamx
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cmp al, '/'
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je snamx ; '/' tez konczy
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cmp [byte di-1], '\'
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je spath
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jmp snam1
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snamx: mov eax, 'XBO.'
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cmp di, offset atrnam
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jb adobx
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test [flags], m_wild
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jz atrnwl
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mov al, '\'
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cmp al, [di-1]
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je panam
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stosb
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panam: mov [anam], di
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jmp nadext
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atrnwl: test dl, dl
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jz adatr ; jest podane rozszerzenie -
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or [flags], m_donta ; nie zmieniaj go na atr
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adatr: mov eax, 'RTA.'
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adobx: test dl, dl
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jz nadext
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stosd
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extexs: mov [byte di], 0
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rts: ret
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smartdisk
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badf: mov dx, offset badtxt
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jmp panic
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nousg: mov ch, -1
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mov di, 81h
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mov al, ' '
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repe scasb
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mov ax, [di-1]
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nadext: xor al, al
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stosb
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mov [nfin], di
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dec si
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cmp di, offset atrnam
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mov di, offset atrnam
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jb arg1
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inc di
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or ah, 20h
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cmp ax, 'p/'
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je romsw
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dec [romfl]
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mov di, 81h
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romsw: mov ebp, 'XBO.'
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call getfil
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push si
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jmp arg1
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fopen
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mov cx, blen
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fread bufr
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mov dx, offset lontxt
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cmp ax, blen
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jnb panic
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mov [len], ax
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fclose
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usg: print usgtxt
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dos 4c03h
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mov si, offset bufr
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mov di, si
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lodsw
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cmp ax, -1
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jne badf
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argx: cmp di, offset atrnam
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jb usg ; nie ma nazwy
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ja jesatr
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mov cx, [nfin]
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test [flags], m_wild
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jz nowil1 ; jak jeden plik, to przepiszemy cala nazwe
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mov cx, [onam] ; jak wiele, to tylko sciezke
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nowil1: mov si, offset obxnam
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sub cx, si
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rep movsb
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mov [nfin], di
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jesatr:
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mov ax, [si]
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test [flags], m_wild
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jz nowild
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xor cx, cx
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mov dx, offset obxnam
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mov ah, 4eh ; jak wiele, to szukamy
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main1: and [flags], not m_errs
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mov [ohand], 0
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mov [ahand], 0
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mov [len], lodlen+endlen
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dos
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jc fin
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mov si, 80h+1eh
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mov di, [anam]
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mov bx, [onam]
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mona1: lodsb
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stosb
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mov [bx], al
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inc bx
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test al, al
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jnz mona1
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mov [nfin], di
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nowild: mov si, offset obxnam
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call printz ; file.obx
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mov dx, offset obxnam
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mov bp, offset e_open
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file 3d00h ; open for reading
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mov [ohand], ax
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call xreadh
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jb enate
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cmp [head], -1
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jne enate
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mov dx, offset head
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mov cx, 4
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call xread
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jb enate
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mov ax, [head]
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mov [l1runl], al
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mov [l2runl], al
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mov [l1runh], ah
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mov [l2runh], ah
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cutf1: lodsw
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cmp ax, -1
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je cutf1
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stosw
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sta bx
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lodsw
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stosw
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sub ax, bx
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jb badf
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inc ax
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sta cx
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rep movsb
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cutfn: mov ax, si
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sub ax, offset bufr
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cmp ax, [len]
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jb cutf1
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mov si, offset endseq1
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cmp [romfl], 0
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jz stdld
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push di
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mov si, offset romlod
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mov di, offset sect
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mov cx, 64
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rep movsw
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pop di
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mov si, offset endseq2
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stdld: mov cx, endlen
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rep movsb
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mov cx, offset sect
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sub cx, di
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and cx, 7fh
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xor al, al
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rep stosb
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sub di, offset begin
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mov [len], di
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shr di, 4
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dec di
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mov [paras], di
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print arrow ; ->
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test [flags], m_donta
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jnz jatrex
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mov di, [nfin]
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mov si, di
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cetatr: dec si
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cmp [byte si], '\'
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je cetafn
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cmp [byte si], '.'
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jne cetatr
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mov di, si
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cetafn: mov eax, 'RTA.'
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stosd
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mov [byte di], 0
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jatrex:
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mov si, offset atrnam
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call printz ; file.atr
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xor cx, cx
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mov dx, offset atrnam
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mov bp, offset e_creat
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file 3ch ; create
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mov [ahand], ax
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print kropki ; ...
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pop di
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mov ebp, 'RTA.'
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call getfil
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fcreate
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mov cx, [len]
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mov cx, beglen
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mov dx, offset begin
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fwrite
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fclose
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call xwrite
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mov cx, lodlen
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mov dx, offset stdlod
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test [flags], m_pro
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jz stlo
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mov dx, offset prolod
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stlo: call xwrite
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jmp firs
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skff:
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call xreadh
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jb finfil
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cmp [head], -1
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je skff
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mov dx, offset head+2
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call xread2
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jb finfil
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firs: mov cx, [head+2]
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sub cx, [head]
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jb einva
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inc cx
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cmp cx, blen
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ja einva
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mov dx, offset blok
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call xread
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jb trunc
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call xwrihd
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jmp skff
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trunc: test ax, ax
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jz finfil
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dec ax
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push ax
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add ax, [head]
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mov [head+2], ax
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mov dx, offset w_trunc
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call warni
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pop ax
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call xwrihd
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finfil: mov dx, offset endseq1
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test [flags], m_pro
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jz endst
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mov dx, offset endseq2
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endst: mov cx, endlen
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call xwrite
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mov cx, 40h
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xor ax, ax
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mov di, offset head
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rep stosw
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sta cx
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sub cl, [byte len]
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and ecx, 7fh
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jz fuls
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call xwrith
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fuls: xor cx, cx ; seek back to para's atr header field
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mov dx, 2
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mov bp, offset e_write
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file 4200h
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shr [len], 4
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mov cx, 2
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mov dx, offset len
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call xwrite
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shut: mov bx, [ahand]
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mov bp, offset e_write
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call xclose
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mov bx, [ohand]
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mov bp, offset e_read
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call xclose
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test [flags], m_errs
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jnz nook
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print oktxt
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dos 4c00h
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nook: print eoltxt
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test [flags], m_wild
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jz fin
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mov ah, 4fh
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jmp main1
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; Poetry
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hello db 'X-BOOT 3.2 by Fox/Taquart',eot
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usgtxt db 'Converts Atari 8-bit executable into .ATR disk image.',eol
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db 'Syntax: XBOOT [/p] obxfile atrfile',eol
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db 'Use /p switch to write professional loader rather than standard.',eot
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oktxt db 'O.K.',eot
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badtxt db 'Bad format of file!',eot
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lontxt db 'File too long',eot
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smarterr
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fin: mov ax, [exitcod]
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dos
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romfl db 1
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xdisk: push bp
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dos
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pop dx
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jnc rts
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error: mov sp, [spt]
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mov [byte exitcod], 2
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or [flags], m_errs
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print
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jmp shut
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; Ending Header for loader #1
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endseq1 db 233,7,235,7,108,224,2
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; Ending Header for loader #2
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endseq2 db 244,4,246,4,108,224,2
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endlen = $-endseq2
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warni: cmp [byte exitcod], 1
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jae nwacod
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mov [byte exitcod], 1
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nwacod: or [flags], m_errs
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print
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ret
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; Loader #2 (rom)
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romlod db 96,1,128,4,119,228,169,0,141,47,2,169,82,141,200,2,165
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db 20,197,20,240,252,169
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l2runl db 128,141,224,2,169
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l2runh db 4,141,225,2,160,254,169
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db 128,141,226,2,169,4,141,227,2,162,251,149,72,232,134,67,76,188
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db 4,230,68,208,2,230,69,200,16,32,238,10,3,208,3,238,11,3
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db 169,255,141,1,211,78,14,212,88,32,83,228,56,48,170,120,160,0
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db 140,14,212,206,1,211,185,0,4,166,67,208,200,129,68,165,68,197
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db 70,208,200,165,69,197,71,208,194,152,72,32,253,4,104,168,16,165
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db 108,226,2
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enate: mov dx, offset e_nota
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jmp error
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einva: mov dx, offset e_head
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jmp error
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xreadh: mov dx, offset head
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xread2: mov cx, 2
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xread: mov bx, [ohand]
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mov bp, offset e_read
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file 3fh
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cmp ax, cx
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ret
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xwrihd: add ax, 4
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movzx ecx, ax
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mov ax, [head]
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mov dx, [head+2]
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test [flags], m_pro
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jnz chkpro
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cmp ah, 8
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jae chkst1
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cmp dh, 7
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jae ememc
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chkst1: cmp dh, 0c0h
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jb xwrith
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cmp dh, 0d0h
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jb eproc
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cmp ah, 0d8h
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jb xwrith
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eproc: mov dx, offset w_prof
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jmp xwwarn
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chkpro: cmp ah, 5
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jae xwrith
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cmp dh, 4
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jb xwrith
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ememc: mov dx, offset w_mem
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xwwarn: push ecx
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call warni
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pop ecx
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xwrith: mov dx, offset head
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xwritl: add [len], ecx
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xwrite: mov bx, [ahand]
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mov bp, offset e_write
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jfile 40h
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xclose: test bx, bx
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jz rts
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jfile 3eh
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pnam1: sta dx
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dos 2
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printz: lodsb
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test al, al
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jnz pnam1
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rts: ret
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|
||||
hello db 'X-BOOT 4.0á2 by Fox/Taquart',eot
|
||||
usgtxt db 'XBOOT [/p] obxfile [atrfile]',eol
|
||||
db ' Convert single Atari 8-bit executable into .ATR disk image.',eol
|
||||
db 'XBOOT [/p] obxfiles [atrpath]',eol
|
||||
db ' Convert many files - wildcards allowed.',eol
|
||||
db '/p switch',eol
|
||||
db ' Write professional loader rather than standard.'
|
||||
eoltxt db eot
|
||||
arrow db ' -> $'
|
||||
kropki db ' ... $'
|
||||
oktxt db 'OK$'
|
||||
w_mem db eol,' WARNING: Memory conflict$'
|
||||
w_prof db eol,' WARNING: Professional loader needed$'
|
||||
w_trunc db eol,' WARNING: Last block truncated$'
|
||||
e_nota db eol,' ERROR: Not Atari executable$'
|
||||
e_head db eol,' ERROR: Invalid header$'
|
||||
e_open db eol,' ERROR: Can''t open file$'
|
||||
e_read db eol,' ERROR: Disk read error$'
|
||||
e_creat db eol,' ERROR: Can''t create file$'
|
||||
e_write db eol,' ERROR: Disk write error$'
|
||||
|
||||
; ATR Header
|
||||
begin dw 296h
|
||||
paras dw 0
|
||||
dw 80h,5 dup(0)
|
||||
; Atari Boot Sector(s)
|
||||
sect:
|
||||
begin dw 296h,0,80h,5 dup(0)
|
||||
beglen = $-begin
|
||||
|
||||
; Loader #1 (std)
|
||||
db 96,1,128,7,119,228,160,215,185,30,7,145,88,200,192,226,144
|
||||
stdlod db 96,1,128,7,119,228,160,215,185,30,7,145,88,200,192,226,144
|
||||
db 246,169
|
||||
l1runl db 128,141,224,2,169
|
||||
l1runh db 7,141,225,2,169,7,141,5,3,160,255
|
||||
|
|
@ -186,12 +442,42 @@ l1runh db 7,141,225,2,169,7,141,5,3,160,255
|
|||
db 32,242,7,104,168,16,181,108,226,2,44,111,97,100,105,110,103,14
|
||||
db 14,14,0
|
||||
|
||||
beglen = $-begin
|
||||
bufr db blen dup(?)
|
||||
lodlen = $-stdlod
|
||||
|
||||
len dw ?
|
||||
; Ending Header for loader #1
|
||||
endseq1 db 233,7,235,7,108,224,2
|
||||
|
||||
fname db 128 dup(?)
|
||||
; Loader #2 (rom)
|
||||
prolod db 96,1,128,4,119,228,169,0,141,47,2,169,82,141,200,2,165
|
||||
db 20,197,20,240,252,169
|
||||
l2runl db 128,141,224,2,169
|
||||
l2runh db 4,141,225,2,160,254,169
|
||||
db 128,141,226,2,169,4,141,227,2,162,251,149,72,232,134,67,76,188
|
||||
db 4,230,68,208,2,230,69,200,16,32,238,10,3,208,3,238,11,3
|
||||
db 169,255,141,1,211,78,14,212,88,32,83,228,56,48,170,120,160,0
|
||||
db 140,14,212,206,1,211,185,0,4,166,67,208,200,129,68,165,68,197
|
||||
db 70,208,200,165,69,197,71,208,194,152,72,32,253,4,104,168,16,165
|
||||
db 108,226,2
|
||||
|
||||
; Ending Header for loader #2
|
||||
endseq2 db 244,4,246,4,108,224,2
|
||||
endlen = $-endseq2
|
||||
|
||||
exitcod dw 4c00h
|
||||
flags db 0
|
||||
len dd lodlen+endlen
|
||||
ohand dw 0
|
||||
ahand dw 0
|
||||
anam dw atrnam
|
||||
onam dw ?
|
||||
nfin dw ?
|
||||
spt dw ?
|
||||
|
||||
obxnam db 100h dup(?)
|
||||
atrnam db 100h dup(?)
|
||||
|
||||
head dw ?,?
|
||||
blok db blen dup(?)
|
||||
|
||||
ENDS
|
||||
END start
|
||||
Loading…
Reference in New Issue