kolibrios/programs/develop/libraries/console/examples/testcon2_eng.asm

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include 'proc32.inc'
DLL_ENTRY equ 1
DLL_EXIT equ -1
REQ_DLL_VER equ 2
use32
db 'MENUET01'
dd 1
dd start
dd i_end
dd mem
dd mem
dd 0
dd 0
start:
stdcall load_dll_and_import, dllname, imports
test eax, eax
jz exit
; check version
cmp word [dll_ver], REQ_DLL_VER
jb exit
cmp word [dll_ver+2], REQ_DLL_VER
ja exit
push DLL_ENTRY
call [dll_start]
; yes! Now do some work (show color strings in this case).
push caption
push -1
push -1
push -1
push -1
call [con_init]
; C-equivalent of the following code:
; for (ebx=0;ebx<0x100;ebx++)
; {
; con_printf(t1,ebx);
; eax = con_set_flags(ebx);
; con_write_asciiz(text);
; con_set_flags(eax);
; }
; N.B. For efficiency result of first con_set_flags is not saved
; in register, but is pushed beforehand to the stack
; for second con_set_flags.
; Note that such code cannot be generated by stdcall macros.
xor ebx, ebx
@@:
push ebx
push t1
call [con_printf]
add esp, 8
push ebx
call [con_set_flags]
push eax
push text
call [con_write_asciiz]
call [con_set_flags]
inc bl
jnz @b
push text2
call [con_write_asciiz]
push 0
call [con_exit]
exit:
or eax, -1
int 0x40
proc load_dll_and_import stdcall, _dllname:dword, _imports:dword
pushad
; load DLL
push 68
pop eax
push 19
pop ebx
mov ecx, [_dllname]
int 0x40
test eax, eax
jz import_fail
; initialize import
mov edi, eax
mov esi, [_imports]
import_loop:
lodsd
test eax, eax
jz import_done
mov edx, edi
import_find:
mov ebx, [edx]
test ebx, ebx
jz import_not_found
push eax
@@:
mov cl, [eax]
cmp cl, [ebx]
jnz import_find_next
test cl, cl
jz import_found
inc eax
inc ebx
jmp @b
import_find_next:
pop eax
add edx, 8
jmp import_find
import_found:
pop eax
mov eax, [edx+4]
mov [esi-4], eax
jmp import_loop
import_not_found:
import_fail:
popad
xor eax, eax
ret
import_done:
popad
xor eax, eax
inc eax
ret
endp
align 4
imports:
dll_start dd szStart
dll_ver dd szVersion
con_init dd szcon_init
con_write_asciiz dd szcon_write_asciiz
con_printf dd szcon_printf
con_set_flags dd szcon_set_flags
con_exit dd szcon_exit
dd 0
szStart db 'START',0
szVersion db 'version',0
szcon_init db 'con_init',0
szcon_write_asciiz db 'con_write_asciiz',0
szcon_printf db 'con_printf',0
szcon_set_flags db 'con_set_flags',0
szcon_exit db 'con_exit',0
dllname db '/sys/lib/console.obj',0
caption db 'Console test - colors',0
t1 db 'Color 0x%02X: ',0
text db 'This is sample text.',10,0
text2 db 27,'[7mAnd this is an example of '
db 27,'[1;36;41mEsc'
db 27,'[7m-sequences.',10,0
i_end:
align 4
rb 2048 ; stack
mem: