forked from KolibriOS/kolibrios
* kernel.asm: 18.1 is now safe (correction of rev. 748)
* vesa20.inc: comments were correct! Restored (correction of rev. 753) * fasm from last AZ git-svn-id: svn://kolibrios.org@755 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -2029,7 +2029,7 @@ sys_end:
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iglobal
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align 4
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sys_system_table:
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dd 0 ; 1 = system shutdown
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dd exit_for_anyone ; 1 = obsolete
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dd sysfn_terminate ; 2 = terminate thread
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dd sysfn_activate ; 3 = activate window
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dd sysfn_getidletime ; 4 = get idle time
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@ -864,7 +864,7 @@ vesa20_drawbackground_stretch:
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call [disable_mouse]
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pushad
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; Helper variables
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; calculate 2^32*(BgrDataWidth-1) mod (Screen_Max_X-1)
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; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1)
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mov eax, [BgrDataWidth]
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dec eax
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xor edx, edx
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@ -908,7 +908,7 @@ vesa20_drawbackground_stretch:
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mov eax, ebx
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imul ebx, dword [esp+12]
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mul dword [esp+8]
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add edx, ebx ; edx:eax = y * 2^32*(BgrDataHeight-1)/(Screen_Max_Y-1)
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add edx, ebx ; edx:eax = y * 2^32*(BgrDataHeight-1)/(ScreenHeight-1)
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mov esi, edx
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imul esi, [BgrDataWidth]
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push edx
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@ -919,7 +919,7 @@ vesa20_drawbackground_stretch:
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mov eax, [esp+12]
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mul dword [esp+28]
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add [esp], edx
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pop edx ; edx:eax = x * 2^32*(BgrDataWidth-1)/(Screen_Max_X-1)
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pop edx ; edx:eax = x * 2^32*(BgrDataWidth-1)/(ScreenWidth-1)
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add esi, edx
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lea esi, [esi*3]
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add esi, [img_background]
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@ -957,13 +957,13 @@ sdp3:
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; esi = offset in current line, edi -> output
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; ebp = offset in WinMapAddress
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; dword [esp] = offset in bgr data
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; qword [esp+4] = x * 2^32 * (BgrDataWidth-1) / (Screen_Max_X-1)
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; qword [esp+12] = y * 2^32 * (BgrDataHeight-1) / (Screen_Max_Y-1)
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; qword [esp+4] = x * 2^32 * (BgrDataWidth-1) / (ScreenWidth-1)
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; qword [esp+12] = y * 2^32 * (BgrDataHeight-1) / (ScreenHeight-1)
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; dword [esp+20] = x
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; dword [esp+24] = y
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; precalculated constants:
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; qword [esp+28] = 2^32*(BgrDataHeight-1)/(Screen_Max_Y-1)
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; qword [esp+36] = 2^32*(BgrDataWidth-1)/(Screen_Max_X-1)
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; qword [esp+28] = 2^32*(BgrDataHeight-1)/(ScreenHeight-1)
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; qword [esp+36] = 2^32*(BgrDataWidth-1)/(ScreenWidth-1)
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sdp3a:
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cmp [ebp+WinMapAddress], byte 1
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jnz snbgp
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@ -43,6 +43,11 @@ START: ; Start of execution
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mov ecx, (fileinfos_end-fileinfos)/4
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or eax, -1
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rep stosd
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push 68
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pop eax
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push 11
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pop ebx
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mcall
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cmp [params],0
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jz red
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@ -586,6 +591,7 @@ program_base dd ?
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buffer_address dd ?
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memory_setting dd ?
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start_time dd ?
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memblock dd ?
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predefinitions rb 1000h
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@ -59,26 +59,29 @@ filepos dd 0x0
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; ~5/8 - main memory
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init_memory:
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mcall 18, 16
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cmp eax, 0xFFFFFFFF shr 9
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cmp ecx, 0x38000000 shr 9
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jbe @f
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mov eax, 0xFFFFFFFF shr 9
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mov ecx, 0x38000000 shr 9
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@@:
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shl eax, 9
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lea ecx, [eax+stacktop]
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mcall 64, 1
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mov [memory_start], stacktop
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mov [additional_memory_end], ecx
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sub ecx, stacktop
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shl ecx, 9
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mcall 68, 12
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mov [memory_start], eax
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mov [memblock], eax
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push eax
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add eax, ecx
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mov [additional_memory_end], eax
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pop eax
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shr ecx, 3
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lea ecx, [ecx*5+stacktop]
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mov [memory_end],ecx
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mov [additional_memory],ecx
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add eax, ecx
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lea eax, [ecx*4+eax]
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mov [memory_end],eax
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mov [additional_memory],eax
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ret
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exit_program:
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cmp [_mode],NORMAL_MODE
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jne @f
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mcall 64, 1, stacktop
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mcall 68, 13, [memblock]
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jmp still
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@@:
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or eax,-1
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