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https://github.com/KolibriOS/kolibrios.git
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CROPFLAT - set limits of screen
git-svn-id: svn://kolibrios.org@2656 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79)
parent
221b16cc14
commit
8ebfc0eca4
3
programs/system/cropflat/build.bat
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3
programs/system/cropflat/build.bat
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@fasm -m 16384 cropflat.asm cropflat
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@kpack cropflat
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@pause
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174
programs/system/cropflat/cropflat.asm
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174
programs/system/cropflat/cropflat.asm
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;*****************************************************************************
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; CROPFLAT - set limits of screen - for Kolibri OS
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; Copyright (c) 2012, Marat Zakiyanov aka Mario79, aka Mario
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; All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions are met:
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; * Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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; * Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution.
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; * Neither the name of the <organization> nor the
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; names of its contributors may be used to endorse or promote products
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; derived from this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY
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; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;*****************************************************************************
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;
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; Example run with parameters:
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; CROPFLAT XS800 YS480
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;
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;------------------------------------------------------------------------------
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use32
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org 0x0
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db 'MENUET01'
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dd 0x01
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dd START
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dd IM_END
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dd I_END
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dd stack_top
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dd boot_param
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dd 0x0
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include '../../macros.inc'
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;include 'debug.inc'
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;------------------------------------------------------------------------------
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START:
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mcall 14
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mov ebx,eax
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shr eax,16
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inc eax
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mov [x_size],eax
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; dps "CROPFLAT current X size: "
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; dpd eax
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; newline
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and ebx,0xffff
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inc ebx
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mov [y_size],ebx
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; dps "CROPFLAT current Y size: "
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; dpd ebx
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; newline
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;------------------------------------------------------------------------------
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mov bx,word 'XS'
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call find_value
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test eax,eax
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jnz .y
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call convert_ASCII_to_BIN
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test ebx,ebx
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jz @f
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mov [x_size],ebx
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;--------------------------------------
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@@:
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; dps "CROPFLAT new X size: "
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; dpd ebx
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; newline
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;------------------------------------------------------------------------------
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.y:
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mov bx,word 'YS'
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call find_value
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test eax,eax
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jnz .set
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call convert_ASCII_to_BIN
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test ebx,ebx
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jz @f
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mov [y_size],ebx
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;--------------------------------------
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@@:
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; dps "CROPFLAT new Y size: "
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; dpd ebx
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; newline
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;------------------------------------------------------------------------------
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.set:
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mcall 18,24,[x_size],[y_size]
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;--------------------------------------
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.exit:
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mcall -1
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;------------------------------------------------------------------------------
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find_value:
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; in:
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; bx - word
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; out:
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; eax - 0 for valid value, -1 for invalid value
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; esi - ASCII value
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mov esi,boot_param
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mov ecx,254
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cld
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;--------------------------------------
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.loop:
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lodsw
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cmp ax,bx
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je @f
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dec esi
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loop .loop
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mov eax,-1
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ret
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;--------------------------------------
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@@:
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xor eax,eax
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ret
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;------------------------------------------------------------------------------
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convert_ASCII_to_BIN:
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; in:
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; esi - ASCII value
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; out:
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; ebx - BIN value
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mov ecx,4
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xor ebx,ebx
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cld
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;--------------------------------------
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.loop:
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lodsb
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cmp al,0x30 ; 0
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jb @f
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cmp al,0x39 ; 9
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ja @f
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sub al,0x30
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; multiply by 10
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lea ebx,[ebx+ebx*4] ; multiply by 5
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shl ebx,1 ; multiply by 2
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movzx eax,al
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add ebx,eax
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loop .loop
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;--------------------------------------
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@@:
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ret
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;------------------------------------------------------------------------------
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IM_END:
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;------------------------------------------------------------------------------
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align 4
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x_size rd 1
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y_size rd 1
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;------------------------------------------------------------------------------
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align 4
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boot_param:
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rb 256+1 ; +1 for reserve
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;------------------------------------------------------------------------------
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align 4
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rb 512
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stack_top:
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;------------------------------------------------------------------------------
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I_END:
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;------------------------------------------------------------------------------
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147
programs/system/cropflat/debug.inc
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147
programs/system/cropflat/debug.inc
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@ -0,0 +1,147 @@
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macro debug_print str
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{
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local ..string, ..label
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jmp ..label
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..string db str,0
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..label:
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pushf
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pushad
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mov edx,..string
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call debug_outstr
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popad
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popf
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}
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dps fix debug_print
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macro debug_print_dec arg
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{
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pushf
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pushad
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if ~arg eq eax
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mov eax,arg
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end if
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call debug_outdec
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popad
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popf
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}
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dpd fix debug_print_dec
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;---------------------------------
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debug_outdec: ;(eax - num, edi-str)
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push 10 ;2
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pop ecx ;1
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push -'0' ;2
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.l0:
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xor edx,edx ;2
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div ecx ;2
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push edx ;1
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test eax,eax ;2
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jnz .l0 ;2
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.l1:
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pop eax ;1
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add al,'0' ;2
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call debug_outchar ; stosb
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jnz .l1 ;2
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ret ;1
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;---------------------------------
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debug_outchar: ; al - char
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pushf
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pushad
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mov cl,al
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mov eax,63
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mov ebx,1
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int 0x40
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popad
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popf
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ret
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debug_outstr:
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mov eax,63
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mov ebx,1
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@@:
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mov cl,[edx]
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test cl,cl
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jz @f
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int 40h
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inc edx
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jmp @b
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@@:
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ret
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_debug_crlf db 13, 10, 0
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macro newline_1
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{
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pushf
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pushad
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mov edx, _debug_crlf
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call debug_outstr
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popad
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popf
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}
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macro newline
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{
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pushf
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pushad
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mov edx, _debug_crlf
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call debug_outstr
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popad
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popf
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}
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macro print message
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{
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dps message
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newline
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}
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macro pregs
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{
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dps "EAX: "
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dpd eax
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dps " EBX: "
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dpd ebx
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newline
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dps "ECX: "
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dpd ecx
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dps " EDX: "
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dpd edx
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newline
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}
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macro debug_print_hex arg
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{
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pushf
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pushad
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if ~arg eq eax
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mov eax, arg
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end if
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call debug_outhex
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popad
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popf
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}
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dph fix debug_print_hex
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debug_outhex:
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; eax - number
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mov edx, 8
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.new_char:
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rol eax, 4
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movzx ecx, al
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and cl, 0x0f
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mov cl, [__hexdigits + ecx]
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pushad
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mcall 63, 1
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popad
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dec edx
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jnz .new_char
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ret
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__hexdigits:
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db '0123456789ABCDEF'
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