955 lines
18 KiB
PHP
955 lines
18 KiB
PHP
$Revision$
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; VESA12.INC ;;
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;; ;;
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;; Vesa 1.2 functions for MenuetOS ;;
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;; ;;
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;; Copyright 2002 Ville Turjanmaa ;;
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;; ;;
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;; quickcode@mail.ru - bankswitch for S3 cards ;;
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;; ;;
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;; See file COPYING for details ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; A complete video driver should include the following types of function
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;
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; Putpixel
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; Getpixel
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;
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; Drawimage
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; Drawbar
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;
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; Drawbackground
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;
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;
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; Modifying the set_bank -function is mostly enough
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; for different Vesa 1.2 setups.
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;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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; set_bank for Trident videocards, work on Trident 9440
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; modified by Mario79
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;set_bank:
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;cli
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;cmp al,[BANK_RW]
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;je retsb
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;mov [BANK_RW],al
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;push dx
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;mov dx,3D8h
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;out dx,al
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;pop dx
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;retsb:
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;sti
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;ret
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;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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; set_bank for S3 videocards, work on S3 ViRGE PCI (325)
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; modified by kmeaw
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set_bank:
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pushfd
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cli
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cmp al,[BANK_RW]
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je retsb
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mov [BANK_RW],al
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push ax
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push dx
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push cx
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mov cl, al
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mov dx, 0x3D4
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mov al, 0x38
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out dx, al ;CR38 Register Lock 1 ;Note: Traditionally 48h is used to
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;unlock and 00h to lock
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inc dx
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mov al, 0x48
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out dx, al ;3d5 -?
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dec dx
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mov al, 0x31
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out dx, al ;CR31 Memory Configuration Register
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;0 Enable Base Address Offset (CPUA BASE). Enables bank operation if set, ;disables if clear.
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;4-5 Bit 16-17 of the Display Start Address. For the 801/5,928 see index 51h,
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;for the 864/964 see index 69h.
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inc dx
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in al, dx
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dec dx
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mov ah, al
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mov al, 0x31
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out dx, ax
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mov al, ah
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or al, 9
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inc dx
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out dx, al
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dec dx
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mov al, 0x35
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out dx, al ;CR35 CRT Register Lock
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inc dx
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in al, dx
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dec dx
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and al, 0xF0
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mov ch, cl
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and ch, 0x0F
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or ch, al
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mov al, 0x35
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out dx, al
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inc dx
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mov al, ch
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out dx, ax
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dec dx
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mov al, 0x51 ;Extended System Control 2 Register
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out dx, al
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inc dx
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in al, dx
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dec dx
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and al, 0xF3
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shr cl, 2
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and cl, 0x0C
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or cl, al
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mov al, 0x51
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out dx, al
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inc dx
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mov al, cl
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out dx, al
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dec dx
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mov al, 0x38
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out dx, al
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inc dx
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xor al, al
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out dx, al
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dec dx
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pop cx
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pop dx
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pop ax
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retsb:
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popfd
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ret
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;Set bank function for Intel 810/815 chipsets
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; *****Modified by Protopopius, Russia.*****
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; ********* http://menuetos.hut.ru **************
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; ************************************************
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;
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;set_bank:
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;cli
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;cmp al,[BANK_RW]
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;je retsb
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;mov [BANK_RW],al
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;push ax
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;push dx
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;mov dx,3CEh
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;mov ah,al ; Save value for later use
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;mov al,10h ; Index GR10 (Address Mapping)
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;out dx,al ; Select GR10
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;inc dl
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;mov al,3 ; Set bits 0 and 1 (Enable linear page mapping)
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;out dx,al ; Write value
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;dec dl
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;mov al,11h ; Index GR11 (Page Selector)
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;out dx,al ; Select GR11
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;inc dl
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;mov al,ah ; Write address
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;out dx,al ; Write the value
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;pop dx
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;pop ax
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;retsb:
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;sti
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;ret
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;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!}
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;set_bank:
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; cli
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; cmp al,[BANK_RW]
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; je retsb
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; mov [BANK_RW],al
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; push ax
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; push dx
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; mov ah,al
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; mov dx,0x03D4
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; mov al,0x39
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; out dx,al
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; inc dl
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; mov al,0xA5
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; out dx,al
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; dec dl
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; mov al,6Ah
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; out dx,al
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; inc dl
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; mov al,ah
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; out dx,al
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; dec dl
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; mov al,0x39
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; out dx,al
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; inc dl
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; mov al,0x5A
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; out dx,al
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; dec dl
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; pop dx
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; pop ax
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;
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; retsb:
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; ret
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vesa12_drawbackground:
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call [disable_mouse]
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push eax
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push ebx
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push ecx
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push edx
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xor edx,edx
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mov eax,dword[WinMapAddress-8]
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mov ebx,dword[WinMapAddress-4]
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mul ebx
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mov ebx,3
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mul ebx
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mov [imax],eax
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mov eax,[draw_data+32+RECT.left]
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mov ebx,[draw_data+32+RECT.top]
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mov edi,0 ;no force
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v12dp3:
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push eax
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push ebx
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mov esi,[img_background] ;IMG_BACKGROUND
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cmp [WinMapAddress-12],dword 1 ; tiled background
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jne no_vesa12_tiled_bgr
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push edx
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xor edx,edx
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mov ecx,[WinMapAddress-8]
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div ecx
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mov eax,edx
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push eax
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mov eax,ebx
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xor edx,edx
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mov ecx,[WinMapAddress-4]
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div ecx
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mov ebx,edx
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pop eax
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pop edx
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no_vesa12_tiled_bgr:
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cmp [WinMapAddress-12],dword 2 ; stretched background
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jne no_vesa12_stretched_bgr
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push edx
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imul eax,dword [WinMapAddress-8]
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xor edx,edx
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mov ecx,[ScreenWidth]
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inc ecx
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div ecx
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push eax
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mov eax,ebx
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imul eax,dword [WinMapAddress-4]
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xor edx,edx
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mov ecx,[ScreenHeight]
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inc ecx
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div ecx
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mov ebx,eax
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pop eax
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pop edx
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no_vesa12_stretched_bgr:
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push eax
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mov eax,ebx
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xor edx,edx
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mov ebx,[WinMapAddress-8]
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add ebx,[WinMapAddress-8]
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add ebx,[WinMapAddress-8]
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mul ebx
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mov esi,eax
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pop eax
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add esi,eax
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add esi,eax
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add esi,eax
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add esi,[img_background] ;IMG_BACKGROUND
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pop ebx
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pop eax
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v12di4:
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mov ecx,[esi]
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pusha
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mov esi,eax
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mov edi,ebx
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mov eax,[ScreenWidth]
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add eax,1
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mul ebx
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add eax,esi
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add eax,WinMapAddress
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cmp [eax],byte 1
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jnz v12nbgp
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mov eax,[BytesPerScanLine]
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mov ebx,edi
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mul ebx
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add eax,esi
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add eax,esi
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add eax,esi
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cmp [ScreenBPP],byte 24
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jz v12bgl3
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add eax,esi
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v12bgl3:
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push ebx
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push eax
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sub eax,[LFBAddress]
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shr eax,16
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call set_bank
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pop eax
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and eax,65535
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add eax,VGABasePtr
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pop ebx
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mov [eax],cx
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add eax,2
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shr ecx,16
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mov [eax],cl
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sti
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v12nbgp:
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popa
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add esi,3
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inc eax
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cmp eax,[draw_data+32+RECT.right]
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jg v12nodp31
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jmp v12dp3
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v12nodp31:
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mov eax,[draw_data+32+RECT.left]
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inc ebx
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cmp ebx,[draw_data+32+RECT.bottom]
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jg v12dp4
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jmp v12dp3
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v12dp4:
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pop edx
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pop ecx
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pop ebx
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pop eax
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ret
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vesa12_drawbar:
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call [disable_mouse]
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;; mov [novesachecksum],dword 0
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sub edx,ebx
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sub ecx,eax
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push esi
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push edi
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push eax
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push ebx
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push ecx
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push edx
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mov ecx,[TASK_BASE]
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add eax,[ecx-twdw+WDATA.box.left]
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add ebx,[ecx-twdw+WDATA.box.top]
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push eax
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mov eax,ebx ; y
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mov ebx,[BytesPerScanLine]
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mul ebx
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pop ecx
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add eax,ecx ; x
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add eax,ecx
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add eax,ecx
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cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start
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jz dbpi2412
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add eax,ecx
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dbpi2412:
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add eax,[LFBAddress]
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mov edi,eax
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; x size
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mov eax,[esp+4] ; [esp+6]
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mov ecx,eax
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add ecx,eax
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add ecx,eax
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cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size
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jz dbpi24312
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add ecx,eax
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dbpi24312:
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mov ebx,[esp+0]
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; check limits ?
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push eax
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push ecx
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mov eax,[TASK_BASE]
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mov ecx,[eax+draw_data-CURRENT_TASK+RECT.left]
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cmp ecx,0
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jnz dbcblimitlset12
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mov ecx,[eax+draw_data-CURRENT_TASK+RECT.top]
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cmp ecx,0
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jnz dbcblimitlset12
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mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right]
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cmp ecx,[ScreenWidth]
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jnz dbcblimitlset12
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mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom]
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cmp ecx,[ScreenHeight]
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jnz dbcblimitlset12
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pop ecx
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pop eax
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push dword 0
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jmp dbcblimitlno12
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dbcblimitlset12:
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pop ecx
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pop eax
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push dword 1
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dbcblimitlno12:
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cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ?
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jz dbpi24bit12
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jmp dbpi32bit12
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; DRAWBAR 24 BBP
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dbpi24bit12:
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push eax
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push ebx
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push edx
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mov eax,ecx
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mov ebx,3
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div ebx
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mov ecx,eax
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pop edx
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pop ebx
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pop eax
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cld
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dbnewpi12:
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push ebx
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push edi
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push ecx
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xor edx,edx
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mov eax,edi
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sub eax,[LFBAddress]
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mov ebx,3
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div ebx
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add eax,WinMapAddress
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mov ebx,[CURRENT_TASK]
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cld
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dbnp2412:
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mov dl,[eax]
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push eax
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push ecx
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cmp dl,bl
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jnz dbimp24no12
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cmp [esp+5*4],dword 0
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jz dbimp24yes12
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; call dbcplimit
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; jnz dbimp24no12
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dbimp24yes12:
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push edi
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mov eax,edi
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sub eax,[LFBAddress]
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shr eax,16
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call set_bank
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and edi,0xffff
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add edi,VGABasePtr
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mov eax,[esp+8+3*4+16+4+4]
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stosw
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shr eax,16
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stosb
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sti
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pop edi
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add edi,3
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pop ecx
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pop eax
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inc eax
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loop dbnp2412
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jmp dbnp24d12
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dbimp24no12:
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pop ecx
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pop eax
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cld
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add edi,3
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inc eax
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loop dbnp2412
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dbnp24d12:
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mov eax,[esp+3*4+16+4]
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test eax,0x80000000
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jz nodbgl2412
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cmp al,0
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jz nodbgl2412
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dec eax
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mov [esp+3*4+16+4],eax
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nodbgl2412:
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pop ecx
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pop edi
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pop ebx
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add edi,[BytesPerScanLine]
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dec ebx
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jz dbnonewpi12
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jmp dbnewpi12
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dbnonewpi12:
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add esp,7*4
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ret
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; DRAWBAR 32 BBP
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dbpi32bit12:
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cld
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shr ecx,2
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dbnewpi3212:
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push ebx
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push edi
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push ecx
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mov eax,edi
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sub eax,[LFBAddress]
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shr eax,2
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add eax,WinMapAddress
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mov ebx,[CURRENT_TASK]
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cld
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dbnp3212:
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mov dl,[eax]
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push eax
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push ecx
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cmp dl,bl
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jnz dbimp32no12
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cmp [esp+5*4],dword 0
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jz dbimp32yes12
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; call dbcplimit
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; jnz dbimp32no12
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dbimp32yes12:
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push edi
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mov eax,edi
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sub eax,[LFBAddress]
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shr eax,16
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call set_bank
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and edi,0xffff
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add edi,VGABasePtr
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mov eax,[esp+8+3*4+16+4+4]
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stosw
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shr eax,16
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stosb
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sti
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pop edi
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add edi,4
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inc ebp
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pop ecx
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pop eax
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inc eax
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loop dbnp3212
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jmp dbnp32d12
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dbimp32no12:
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pop ecx
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pop eax
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inc eax
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add edi,4
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inc ebp
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loop dbnp3212
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dbnp32d12:
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mov eax,[esp+12+16+4]
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test eax,0x80000000
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jz nodbgl3212
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cmp al,0
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jz nodbgl3212
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dec eax
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mov [esp+12+16+4],eax
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nodbgl3212:
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pop ecx
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pop edi
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pop ebx
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add edi,[BytesPerScanLine]
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dec ebx
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jz nodbnewpi3212
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jmp dbnewpi3212
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nodbnewpi3212:
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add esp,7*4
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ret
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Vesa12_putpixel24:
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mov edi,eax ; x
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mov eax,ebx ; y
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lea edi,[edi+edi*2]
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mov ebx,[BytesPerScanLine]
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mul ebx
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add edi,eax
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mov eax,edi
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shr eax,16
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call set_bank
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and edi,65535
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add edi,VGABasePtr
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mov eax,[esp+28]
|
|
stosw
|
|
shr eax,16
|
|
mov [edi],al
|
|
sti
|
|
ret
|
|
|
|
|
|
|
|
Vesa12_putpixel32:
|
|
|
|
mov edi,eax ; x
|
|
mov eax,ebx ; y
|
|
shl edi,2
|
|
mov ebx,[BytesPerScanLine]
|
|
mul ebx
|
|
add edi,eax
|
|
mov eax,edi
|
|
shr eax,16
|
|
call set_bank
|
|
and edi,65535
|
|
add edi,VGABasePtr
|
|
mov ecx,[esp+28]
|
|
mov [edi],ecx
|
|
sti
|
|
ret
|
|
|
|
|
|
Vesa12_getpixel24:
|
|
|
|
mov edi,eax ; x
|
|
mov eax,ebx ; y
|
|
lea edi,[edi+edi*2]
|
|
mov ebx,[BytesPerScanLine]
|
|
mul ebx
|
|
add edi,eax
|
|
mov eax,edi
|
|
shr eax,16
|
|
call set_bank
|
|
and edi,65535
|
|
add edi,VGABasePtr
|
|
mov ecx,[edi]
|
|
and ecx,255*256*256+255*256+255
|
|
sti
|
|
ret
|
|
|
|
|
|
Vesa12_getpixel32:
|
|
|
|
mov edi,eax ; x
|
|
mov eax,ebx ; y
|
|
shl edi,2
|
|
mov ebx,[BytesPerScanLine]
|
|
xor edx,edx
|
|
mul ebx
|
|
add edi,eax
|
|
mov eax,edi
|
|
shr eax,16
|
|
call set_bank
|
|
and edi,65535
|
|
add edi,VGABasePtr
|
|
mov ecx,[edi]
|
|
and ecx,255*256*256+255*256+255
|
|
sti
|
|
|
|
ret
|
|
|
|
|
|
|
|
vesa12_putimage:
|
|
; ebx = pointer to image
|
|
; ecx = size [x|y]
|
|
; edx = coordinates [x|y]
|
|
; ebp = pointer to 'get' function
|
|
; esi = pointer to 'init' function
|
|
; edi = parameter for 'get' function
|
|
|
|
; mov ebx,image
|
|
; mov ecx,320*65536+240
|
|
; mov edx,20*65536+20
|
|
|
|
call [disable_mouse]
|
|
|
|
mov [novesachecksum],dword 0
|
|
push esi
|
|
push edi
|
|
push eax
|
|
push ebx
|
|
push ecx
|
|
push edx
|
|
movzx eax,word [esp+2]
|
|
movzx ebx,word [esp+0]
|
|
mov ecx,[TASK_BASE]
|
|
add eax,[ecx-twdw+WDATA.box.left]
|
|
add ebx,[ecx-twdw+WDATA.box.top]
|
|
push eax
|
|
mov eax,ebx ; y
|
|
mul dword [BytesPerScanLine]
|
|
pop ecx
|
|
add eax,ecx ; x
|
|
add eax,ecx
|
|
add eax,ecx
|
|
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start
|
|
jz pi2412
|
|
add eax,ecx
|
|
|
|
pi2412:
|
|
|
|
add eax,[LFBAddress]
|
|
mov edi,eax
|
|
|
|
; x size
|
|
|
|
movzx ecx,word [esp+6]
|
|
|
|
mov esi,[esp+8]
|
|
movzx ebx,word [esp+4]
|
|
|
|
; check limits while draw ?
|
|
|
|
push ecx
|
|
mov eax,[TASK_BASE]
|
|
cmp dword [eax+draw_data-CURRENT_TASK+RECT.left], 0
|
|
jnz dbcblimitlset212
|
|
cmp dword [eax+draw_data-CURRENT_TASK+RECT.top], 0
|
|
jnz dbcblimitlset212
|
|
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right]
|
|
cmp ecx,[ScreenWidth]
|
|
jnz dbcblimitlset212
|
|
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom]
|
|
cmp ecx,[ScreenHeight]
|
|
jnz dbcblimitlset212
|
|
pop ecx
|
|
push 0
|
|
jmp dbcblimitlno212
|
|
|
|
dbcblimitlset212:
|
|
|
|
pop ecx
|
|
push 1
|
|
|
|
dbcblimitlno212:
|
|
|
|
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ?
|
|
jnz pi32bit12
|
|
|
|
pi24bit12:
|
|
|
|
newpi12:
|
|
|
|
push edi
|
|
push ecx
|
|
push ebx
|
|
|
|
mov edx,edi
|
|
sub edx,[LFBAddress]
|
|
mov ebx,3
|
|
div ebx
|
|
add edx,WinMapAddress
|
|
mov ebx,[CURRENT_TASK]
|
|
mov bh,[esp+4*3]
|
|
|
|
np2412:
|
|
|
|
cmp bl,[edx]
|
|
jnz imp24no12
|
|
; mov eax,[esi]
|
|
push dword [esp+4*3+20]
|
|
call ebp
|
|
; cmp bh,0
|
|
; jz imp24yes12
|
|
; call dbcplimit
|
|
; jnz imp24no12
|
|
|
|
imp24yes12:
|
|
|
|
push edi
|
|
push eax
|
|
mov eax,edi
|
|
sub eax,[LFBAddress]
|
|
shr eax,16
|
|
call set_bank
|
|
pop eax
|
|
and edi,0xffff
|
|
add edi,VGABasePtr
|
|
mov [edi],ax
|
|
shr eax,16
|
|
mov [edi+2],al
|
|
pop edi
|
|
|
|
imp24no12:
|
|
|
|
inc edx
|
|
; add esi,3
|
|
add edi,3
|
|
dec ecx
|
|
jnz np2412
|
|
|
|
np24d12:
|
|
|
|
pop ebx
|
|
pop ecx
|
|
pop edi
|
|
|
|
add edi,[BytesPerScanLine]
|
|
add esi,[esp+32]
|
|
dec ebx
|
|
jnz newpi12
|
|
|
|
nonewpi12:
|
|
|
|
pop eax edx ecx ebx eax edi esi
|
|
xor eax, eax
|
|
ret
|
|
|
|
|
|
pi32bit12:
|
|
|
|
newpi3212:
|
|
|
|
push edi
|
|
push ecx
|
|
push ebx
|
|
|
|
mov edx,edi
|
|
sub edx,[LFBAddress]
|
|
shr edx,2
|
|
add edx,WinMapAddress
|
|
mov ebx,[CURRENT_TASK]
|
|
mov bh,[esp+4*3]
|
|
|
|
np3212:
|
|
|
|
cmp bl,[edx]
|
|
jnz imp32no12
|
|
; mov eax,[esi]
|
|
push dword [esp+4*3+20]
|
|
call ebp
|
|
; cmp bh,0
|
|
; jz imp32yes12
|
|
; call dbcplimit
|
|
; jnz imp32no12
|
|
|
|
imp32yes12:
|
|
|
|
push edi
|
|
push eax
|
|
mov eax,edi
|
|
sub eax,[LFBAddress]
|
|
shr eax,16
|
|
call set_bank
|
|
pop eax
|
|
and edi,0xffff
|
|
mov [edi+VGABasePtr],eax
|
|
pop edi
|
|
|
|
imp32no12:
|
|
|
|
inc edx
|
|
; add esi,3
|
|
add edi,4
|
|
dec ecx
|
|
jnz np3212
|
|
|
|
np32d12:
|
|
|
|
pop ebx
|
|
pop ecx
|
|
pop edi
|
|
|
|
add edi,[BytesPerScanLine]
|
|
dec ebx
|
|
jnz newpi3212
|
|
|
|
nonewpi3212:
|
|
|
|
pop eax edx ecx ebx eax edi esi
|
|
xor eax, eax
|
|
ret
|
|
|
|
|
|
vesa12_read_screen_pixel:
|
|
|
|
and eax,0x3FFFFF
|
|
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ?
|
|
jz v12rsp24
|
|
mov edi,eax
|
|
shl edi,2
|
|
mov eax,edi
|
|
shr eax,16
|
|
call set_bank
|
|
and edi,65535
|
|
add edi,VGABasePtr
|
|
mov eax,[edi]
|
|
and eax,0x00ffffff
|
|
ret
|
|
v12rsp24:
|
|
|
|
imul eax,3
|
|
mov edi,eax
|
|
shr eax,16
|
|
call set_bank
|
|
and edi,65535
|
|
add edi,VGABasePtr
|
|
mov eax,[edi]
|
|
and eax,0x00ffffff
|
|
ret
|
|
|
|
|