266 lines
5.9 KiB
NASM
Executable File
266 lines
5.9 KiB
NASM
Executable File
.model tiny
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.486
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smart
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.code
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org 0100h
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start:
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mov ah,2
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int 47h
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mov ah,6
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int 47h
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mov ah,6
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int 47h
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mov ah,42
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int 47h
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mov ah,13
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mov si,offset msg
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int 47h
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xor bp,bp
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mov dl,' '
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call setdelimiter0
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replay:
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mov ah,6
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int 47h
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noret:
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mov ah,6
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int 47h
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mov ah,13
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mov si,offset prompt
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int 47h
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mov di,offset buffer
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waitchar:
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mov ax,0
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int 16h
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cmp ah,59
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jne norr
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cmp bp,0
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je waitchar
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mov ah,13
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mov si,cs:[bp-8]
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int 47h
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push cs
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pop es
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call copy0
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call getlength0
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add di,cx
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jmp waitchar
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norr:
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cmp al,0Dh
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je entere
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cmp di,offset buffer+256
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je waitchar
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mov [di],al
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inc di
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mov dl,al
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mov ah,7
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int 47h
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jmp waitchar
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entere:
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mov byte ptr [di],0
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mov si,offset buffer
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cmp si,di
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je noret
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mov ah,6
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int 47h
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push cs
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pop es
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mov di,offset buffer2
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xor cx,cx
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call getitem0
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mov si,di
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call uppercase0
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mov bx,offset commands
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xor bp,bp
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tre:
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mov di,[bx]
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add bx,8
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cmp di,0
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je error
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push cs
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pop es
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call evalue0
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cmp dx,bp
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jb noadd
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mov bp,dx
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mov ax,bx
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noadd:
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call cmpstr0
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jne tre
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mov si,offset buffer
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mov di,offset buffer2
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call copy0
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mov si,di
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call uppercase0
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xor cx,cx
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inc cx
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call getpointeritem0
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cmp byte ptr [di-1],0
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jne nopod
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mov byte ptr [di],0
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nopod:
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mov si,di
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mov di,[bx-4]
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call checksyntax0
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jc errorprec
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mov bx,[bx-6]
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call bx
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jmp replay
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error:
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mov bp,ax
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push cs
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pop es
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mov dl,'.'
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call searchchar0
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je noaddext
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mov di,offset buffer
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mov si,offset extcom
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call concat0
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noaddext:
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mov si,offset buffer
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push cs
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mov ax,offset arrive
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push ax
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mov di,offset vga
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mov ah,40
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int 47h
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mov ax,6000h
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mov es,ax
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push ax
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mov di,0100h
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push di
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mov ah,4
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int 48h
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jc reallyerror
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push es
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push es
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push es
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pop ds
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pop fs
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pop gs
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push 7202h
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popf
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db 0CBh
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arrive:
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push cs
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push cs
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push cs
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push cs
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pop ds
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pop es
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pop fs
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pop gs
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mov si,offset vga
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mov ah,41
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int 47h
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xor bp,bp
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jmp replay
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reallyerror:
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pop ax
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pop ax
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pop ax
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pop ax
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mov ah,13
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mov si,offset Error_Syntax
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int 47h
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mov ah,13
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mov si,cs:[bp-8]
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int 47h
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jmp replay
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errorprec:
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mov ah,13
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mov si,offset derror
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int 47h
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jmp replay
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Code_Exit:
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pop ax
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db 0CBh
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Code_Version:
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mov ah,13
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mov si,offset Version_Text
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int 47h
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ret
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Version_Text db 'Cos 2000 version 2.0.1B by Nico',0
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Code_Cls:
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mov ah,2
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int 47h
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ret
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Code_Reboot:
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push 0FFFFh
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push 00000h
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db 0CBH
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Code_Command:
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mov bx,offset commands
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showalls:
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mov si,[bx]
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add bx,8
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cmp si,0
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je endoff
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mov ah,13
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int 47h
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mov ah,6
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int 47h
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jmp showalls
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endoff:
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ret
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Code_Mode:
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mov cx,0
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call gettypeditem0
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mov ah,0
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mov al,dl
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and al,1111b
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int 47h
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mov ah,2
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int 47h
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ret
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extcom db '.EXE',0
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commands dw Str_Exit ,Code_Exit ,Syn_Exit ,Help_Exit
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dw Str_Version,Code_Version,Syn_Version,Help_Version
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dw Str_Cls ,Code_Cls ,Syn_Cls ,Help_Cls
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dw Str_Reboot ,Code_Reboot ,Syn_Reboot ,Help_Reboot
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dw Str_Command,Code_Command,Syn_Command,Help_Command
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dw Str_Mode ,Code_Mode ,Syn_Mode ,Help_Mode
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dw 0
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Str_Exit db 'EXIT',0
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Str_Version db 'VERSION',0
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Str_Cls db 'CLS',0
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Str_Reboot db 'REBOOT',0
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Str_Command db 'COMMAND',0
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Str_Mode db 'MODE',0
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Syn_Exit db 0
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Syn_Version db 0
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Syn_Cls db 0
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Syn_Reboot db 0
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Syn_Command db 0
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Syn_Mode db 'FFH',0
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Help_Exit db 0
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Help_Version db 0
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Help_Cls db 0
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Help_Reboot db 0
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Help_Command db 0
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Help_Mode db 0
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derror db 'Syntax error',0
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Error_Syntax db 'Command or executable doesn''t exist ! F1 for ',0
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prompt db 'COS>',0
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msg db 'Cos command interpretor V1.0',0
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include str0.asm
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buffer equ $
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buffer2 equ $+256
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vga equ $+512
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end start
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