WebSVN – Kolibri OS – Diff – /kernel/trunk/video/vesa12.inc

 ;;                                                              ;;
 ;;  See file COPYING for details                                ;;
 ;;                                                              ;;
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+$Revision: 673 $
+TRIDENT       equ 0
+S3_VIDEO      equ 0
+INTEL_VIDEO   equ 0
+if TRIDENT
+  if S3_VIDEO or INTEL_VIDEO
+    stop
+  end if
+end if
+if S3_VIDEO
+  if TRIDENT or INTEL_VIDEO
+    stop
+  end if
+end if
+if INTEL_VIDEO
+  if S3_VIDEO or TRIDENT
+    stop
+  end if
-$Revision: 593 $
+end if
 ; for different Vesa 1.2 setups.
 ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 ; set_bank for Trident videocards, work on Trident 9440
-; modified by Mario79
-;set_bank:
-;cli
-;cmp al,[BANK_RW]
-;je retsb
-;mov [BANK_RW],al
-;push dx
-;mov dx,3D8h
-;out  dx,al
-;pop dx
-;retsb:
-;sti
+; modified by Mario79
+if TRIDENT
+set_bank:
+           pushfd
+           cli
+           cmp al,[BANK_RW]
+           je .retsb
+           mov [BANK_RW],al
+           push dx
+           mov dx,3D8h
+           out  dx,al
+           pop dx
+.retsb:
+           popfd
-;ret
+           ret
 end if
+;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+; set_bank for S3 videocards, work on S3 ViRGE PCI (325)
-;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+; modified by kmeaw
 ; set_bank for S3 videocards, work on S3 ViRGE PCI (325)
-; modified by kmeaw
+if S3_VIDEO
 set_bank:
-pushfd
+           pushfd
+           cli
-cli
+           cmp al,[BANK_RW]
-cmp al,[BANK_RW]
+           je .retsb
 je retsb
-mov [BANK_RW],al
+           mov [BANK_RW],al
-push ax
+           push ax
-out dx, al
+           out dx, al
-dec dx
+           dec dx
-pop cx
+           pop cx
-pop dx
+           pop dx
-pop ax
+           pop ax
-retsb:
+.retsb:
-popfd
+           popfd
-ret
+           ret
+end if
 ;Set bank function for Intel 810/815 chipsets
 ; *****Modified by Protopopius, Russia.*****
 ; ********* http://menuetos.hut.ru **************
+; ************************************************
-; ************************************************
+if INTEL_VIDEO
-;
+set_bank:
+           pushfd
-;set_bank:
+           cli
-;cli
-;cmp al,[BANK_RW]
+           cmp al,[BANK_RW]
+           je .retsb
-;je retsb
-;mov [BANK_RW],al
+           mov [BANK_RW],al
-;push ax
+           push ax
-;push dx
+           push dx
-;mov dx,3CEh
+           mov dx,3CEh
-;mov ah,al            ; Save value for later use
+           mov ah,al            ; Save value for later use
-;mov al,10h           ; Index GR10 (Address Mapping)
+           mov al,10h           ; Index GR10 (Address Mapping)
-;out dx,al            ; Select GR10
+           out dx,al            ; Select GR10
-;inc dl
+           inc dl
-;mov al,3             ; Set bits 0 and 1 (Enable linear page mapping)
+           mov al,3             ; Set bits 0 and 1 (Enable linear page mapping)
-;out dx,al            ; Write value
+           out dx,al            ; Write value
-;dec dl
+           dec dl
-;mov al,11h           ; Index GR11 (Page Selector)
+           mov al,11h           ; Index GR11 (Page Selector)
-;out dx,al            ; Select GR11
+           out dx,al            ; Select GR11
-;inc dl
+           inc dl
-;mov al,ah            ; Write address
+           mov al,ah            ; Write address
-;out dx,al            ; Write the value
+           out dx,al            ; Write the value
-;pop dx
+           pop dx
-;pop ax
+           pop ax
+.retsb:
-;retsb:
+           popfd
-;sti
+           ret
-;ret
+end if
+;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!}
+if (TRIDENT or S3_VIDEO or INTEL_VIDEO)
-;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!}
+else
+set_bank:
+           pushfd
-;set_bank:
+           cli
-;   cli
+           cmp al,[BANK_RW]
-;   cmp al,[BANK_RW]
+           je .retsb
-;   je retsb
-;   mov [BANK_RW],al
+           mov [BANK_RW],al
-;   push ax
+           push ax
-;   push dx
+           push dx
-;   mov ah,al
+           mov ah,al
-;   mov dx,0x03D4
+           mov dx,0x03D4
-;   mov al,0x39
+           mov al,0x39
-;   out dx,al
+           out dx,al
-;   inc dl
+           inc dl
-;   mov al,0xA5
+           mov al,0xA5
-;   out dx,al
+           out dx,al
-;   dec dl
+           dec dl
-;   mov al,6Ah
+           mov al,6Ah
-;   out dx,al
+           out dx,al
-;   inc dl
+           inc dl
-;   mov al,ah
+           mov al,ah
-;   out dx,al
+           out dx,al
-;   dec dl
+           dec dl
-;   mov al,0x39
+           mov al,0x39
-;   out dx,al
+           out dx,al
-;   inc dl
+           inc dl
-;   mov al,0x5A
+           mov al,0x5A
-;   out dx,al
+           out dx,al
-;   dec dl
-;   pop dx
-;   pop ax
+           dec dl
+           pop dx
+           pop ax
 .retsb:
-; retsb:
+           popfd
         jnz   v12nbgp
         mov   eax,[BytesPerScanLine]
         mov   ebx,edi
         mul   ebx
-        add   eax,esi
+        add   eax, esi
-        add   eax,esi
-        add   eax,esi
+        lea   eax, [VGABasePtr+eax+esi*2]
         cmp   [ScreenBPP],byte 24
         jz    v12bgl3
         add   eax,esi
       v12bgl3:
         push ebx
         push eax
-        sub  eax,[LFBAddress]
+        sub  eax,VGABasePtr
     jz   dbpi2412
     add  eax,ecx
   dbpi2412:
-    add  eax,[LFBAddress]
+    add  eax,VGABasePtr
     mov  edi,eax
     push edi
     push ecx
       xor  edx,edx
       mov  eax,edi
-      sub  eax,[LFBAddress]
+      sub  eax,VGABasePtr
       mov  ebx,3
       div  ebx
       add  eax,WinMapAddress
       mov   ebx,[CURRENT_TASK]
      dbimp24yes12:
         push edi
         mov  eax,edi
-        sub  eax,[LFBAddress]
+        sub  eax,VGABasePtr
         shr  eax,16
         call set_bank
         and  edi,0xffff
     push ebx
     push edi
     push ecx
       mov  eax,edi
-      sub  eax,[LFBAddress]
+      sub  eax,VGABasePtr
       shr  eax,2
       add  eax,WinMapAddress
       mov   ebx,[CURRENT_TASK]
       dbimp32yes12:
         push edi
         mov  eax,edi
-        sub  eax,[LFBAddress]
+        sub  eax,VGABasePtr
         shr  eax,16
         call set_bank
         and  edi,0xffff
     jz   pi2412
     add  eax,ecx
   pi2412:
-    add  eax,[LFBAddress]
+    add  eax,VGABasePtr
     mov  edi,eax
     push edi
     push ecx
     push ebx
       mov  edx,edi
-      sub  edx,[LFBAddress]
+      sub  edx,VGABasePtr
       mov  ebx,3
       div  ebx
       add  edx,WinMapAddress
       mov  ebx,[CURRENT_TASK]
      imp24yes12:
         push edi
         push eax
         mov  eax,edi
-        sub  eax,[LFBAddress]
+        sub  eax,VGABasePtr
         shr  eax,16
         call set_bank
         pop  eax
         and  edi,0xffff
     push edi
     push ecx
     push ebx
       mov  edx,edi
-      sub  edx,[LFBAddress]
+      sub  edx,VGABasePtr
       shr  edx,2
       add  edx,WinMapAddress
       mov   ebx,[CURRENT_TASK]
       imp32yes12:
         push edi
         push eax
         mov  eax,edi
-        sub  eax,[LFBAddress]
+        sub  eax,VGABasePtr
         shr  eax,16
         call set_bank
         pop  eax
         and  edi,0xffff

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(root)/kernel/trunk/video/vesa12.inc @ 753 – Rev 593 → 673