; []===========================================================[] ; ; NOTICE: THIS PROGRAM BELONGS TO AWARD SOFTWARE INTERNATIONAL(R) ; INC. IT IS CONSIDERED A TRADE SECRET AND IS NOT TO BE ; DIVULGED OR USED BY PARTIES WHO HAVE NOT RECEIVED ; WRITTEN AUTHORIZATION FROM THE OWNER. ; ; []===========================================================[] ; ;---------------------------------------------------------------------------- ;Rev Date Name Description ;---------------------------------------------------------------------------- ;R18A 12/04/98 KGN Add code to patch save SMI VGA VRAM will have garbage ; in screen ;R19A 11/20/98 KGN Change compile key for it ;R19 11/18/98 KGN Add define for compile LCD_CRT_OPTION ;R18 06/22/98 JKY Added SMI811_VGA support. ;R17 05/11/98 RAX Modify VIDEO_BUFFER from 4K to 8K for some of new VGA ; chip buffer use larger than 4K made restore V ;R16 03/23/98 RAX Added ATI 3D Rage LP pro AGP SUPPORT. ;R15 11/14/97 DNL Rename all VGA file as supervga.vga ;R14 11/13/97 JKY Add routing in before into suspend zv . because some ; VGA chip need turn-on on suspend-0v before . ;R13 11/11/97 JKY Add Trident Cyber 9397 PCI VGA support ;R12 10/27/97 KGN move defin LCD_CRT_OPTION to common.equ ;R11 10/13/97 JKY Add S3 86C260 PCI VGA support ;R10 07/08/97 KGN Add CT65555 int15_5f func call for TV control set ; CHIP_VGA = 3 ;R09 05/29/97 DNL Added VESA VGA support ;R08 05/23/97 KGN Add C&T65555 PCI VGA Support ;R02A 05/08/97 JKY Add hook call for S3 86CM65 ;R05A 05/07/97 DNL Added code for more VGA chip support ;R07 03/31/97 KGN Add ATI Mach64GT PCI VGA Support ;R06 03/21/97 KGN Add Cirrus 5446 PCI VGA Support ;R05 03/20/97 RAX Add code for VGA OEM BIOS when define "NEW_SUPERVGA_KERNEL" ;R04 03/11/97 KGN Add Neomagic VGA Support ;R03 02/18/97 DNL Fixed coding mistake ;R01A 01/29/97 DNL Added VESA BIOS 1.X support ;R02 12/30/96 DNL Added S3 86CM65 support ;R01 12/30/96 DNL Added VESA BIOS 1.X support ;R00 11/01/96 DNL Initial revision .MODEL SMALL,BASIC .386p PAGE 56,132 TITLE SUPERVGA.ASM .XLIST INCLUDE BIOS.CFG INCLUDE COMMON.MAC INCLUDE POST.EQU INCLUDE POST.MAC INCLUDE COMMON.EQU ;R12 ;R12ifdef Notebook_Power_Management ;R12 ifndef NO_LCD_DISPLAY ;R12 LCD_CRT_OPTION EQU 1 ;R12 endif ;NO_LCD_DISPLAY ;R12endif ;Notebook_Power_Management ifdef NEW_SUPERVGA_KERNEL ;--------------------------- ; VGA chip type ;--------------------------- STANDARD_IBM_VGA = 1 VESA_BIOS_VGA = 0 ;R01A VGA_BIOS_HOOK = 0 ;R05A VGA_ON_BEFORE_ZV_SUS = 0 ;R14 ;R01A - start ifdef VESA_VGA VESA_BIOS_VGA = 1 endif ;VESA_VGA ;R01A - end ;----------------------------------------------------------- ; SMI Logic VGA chip:SMI8XX ;----------------------------------------------------------- SMI_VGA = 0 ;R18 ifdef SMI811_VGA ;R18 SMI_VGA = 1 ;R18 STANDARD_IBM_VGA = 0 ;R18 VESA_BIOS_VGA = 1 endif ;SMI811_VGA ;R18 ;----------------------------------------------------------- ; Cirrus Logic VGA chip:754X ;----------------------------------------------------------- CIRRUS_VGA = 0 ifdef CL_GD754X CIRRUS_VGA = 1 STANDARD_IBM_VGA = 0 endif ;CL_GD754X ;R06 - Start ifdef CL_GD5446 CIRRUS_VGA = 1 STANDARD_IBM_VGA = 0 VESA_BIOS_VGA = 1 endif ;CL_GD5446 ;R06 - End ;----------------------------------------------------------- ; Chips and Technologies VGA chip: 65545,65548,65550,65555 ;----------------------------------------------------------- CHIP_VGA = 0 ifdef CHIP_655XX CHIP_VGA = 2 ;R05A CHIP_Hook = 1 ;R05 VGA_BIOS_HOOK = 1 ;R05A STANDARD_IBM_VGA = 0 ifdef CHIP_65548 CHIP_VGA = 1 endif ;CHIP_65548 ifdef CHIP_65555 ;R08 CHIP_VGA = 3 ;R10 VGA_BIOS_HOOK = 1 ;R08 VESA_BIOS_VGA = 1 ;R08 endif ;CHIP_65555 ;R08 endif ;CHIP_655XX ;----------------------------------------------------------- ; Trident VGA chip:968X,9385 ;----------------------------------------------------------- TRIDENT_VGA = 0 ifdef TC968X_VGA TRIDENT_VGA = 1 STANDARD_IBM_VGA = 0 endif ;TC968X_VGA ifdef TRIDENT_9385 TRIDENT_VGA = 1 ;R05A TRIDENT_Hook = 1 ;R05 VGA_BIOS_HOOK = 1 ;R05A STANDARD_IBM_VGA = 0 endif ;TRIDENT_9385 ;R13 - start ifdef TRIDENT_9397 TRIDENT_VGA = 1 VGA_BIOS_HOOK = 1 STANDARD_IBM_VGA = 0 VGA_ON_BEFORE_ZV_SUS = 1 ;R14 endif ;TRIDENT_9397 ;R13 - end ;----------------------------------------------------------- ; ATI VGA chip: match 64 ;----------------------------------------------------------- ATI_VGA = 0 ifdef ATI_MACH64VT ATI_VGA = 1 STANDARD_IBM_VGA = 0 endif ;ATI_MACH64VT ;R07 - Start ifdef ATI_MACH64GT ATI_VGA = 1 STANDARD_IBM_VGA = 0 VESA_BIOS_VGA = 1 endif ;ATI_MACH64GT ;R07 - End ;R16 start ifdef ATI_3DRAGE_PRO_AGP ATI_VGA = 1 STANDARD_IBM_VGA = 0 VESA_BIOS_VGA = 1 endif ;ATI_3DRAGE_PRO_AGP ;R16 end ;----------------------------------------------------------- ; SiS VGA chip:6205 ;----------------------------------------------------------- SIS_VGA = 0 ifdef SHARE_SiS6205 SIS_VGA = 1 STANDARD_IBM_VGA = 0 endif ;SHARE_SiS6205 ;R02 - start ;----------------------------------------------------------- ; S3 VGA chip:6205 ;----------------------------------------------------------- S3_VGA = 0 ifdef S3_86CM65 S3_VGA = 1 STANDARD_IBM_VGA = 0 VESA_BIOS_VGA = 1 ;R03 VGA_BIOS_HOOK = 1 ;R02A endif ;S3_86CM65 ;R02 - end ;R11 - start ifdef S3_86C260 S3_VGA = 2 STANDARD_IBM_VGA = 0 VESA_BIOS_VGA = 1 VGA_BIOS_HOOK = 1 endif ;S3_86C260 ;R11 - end ;R04 - Start ;----------------------------------------------------------- ; NeoMagic VGA chip:NM2093AB ;----------------------------------------------------------- NeoMagic = 0 ifdef NeoMagic_2093AB NeoMagic = 1 ;R05A NeoMagic_Hook = 1 ;R05 VGA_BIOS_HOOK = 1 ;R05A STANDARD_IBM_VGA = 0 ifdef Notebook_Power_Management ;R05 VESA_BIOS_VGA = 1 endif ;Notebook_Power_Management ;R05 endif ;NeoMagic_2093AB ;R04 - End ifdef Notebook_Power_Management ;R03 extrn VIDEO_FUNC:near extrn Get_ZV_HDD_Loc:near extrn HDD_Transfer:near extrn Video_State:near ;R03 endif ;Notebook_Power_Management ;R03 ifdef PM_Support ;R12 extrn F000_Open_PM_RAM:near extrn F000_Close_PM_RAM:near extrn F000_Get_PM_RAM_Seg:near endif ;PM_Support ;R12 extrn F000_GetItem_Value:near extrn F000_call_proc:near ;R03 extrn Video_State:near COMPILE_FOR_SUPERVGA_ASM = 1 ;R15 if CIRRUS_VGA NE 0 ;R15 include Cirrus.vga ;R15 endif ;CIRRUS_VGA ;R15 ;R15 if CHIP_VGA NE 0 ;R15 include Chip.vga ;R15 endif ;CHIP_VGA ;R15 ;R15 if TRIDENT_VGA NE 0 ;R15 include Trident.vga ;R15 endif ;TRIDENT_VGA ;R15 ;R15 if ATI_VGA NE 0 ;R15 include ATI.vga ;R15 endif ;ATI_VGA ;R15 ;R15 if SIS_VGA NE 0 ;R15 include SIS.vga ;R15 endif ;SIS_VGA ;R15 ;R15 if S3_VGA NE 0 ;R02 ;R15 include S3.vga ;R02 ;R15 endif ;S3_VGA ;R02 ;R15 ;R15 if NeoMagic NE 0 ;R04 ;R15 include neomagic.vga ;R04 ;R15 endif ;NeoMagic ;R04 ;R15 - start include SUPERVGA.VGA ;R15 - end endif ;NEW_SUPERVGA_KERNEL G_RAM SEGMENT USE16 AT 0 ORG 04H*4 INCLUDE SEG_0.INC ORG 400H INCLUDE G_RAM.INC G_RAM ENDS ifdef Notebook_Power_Management SM_RAM SEGMENT USE16 AT 0 INCLUDE SM_RAM.INC SM_RAM ENDS ZV_Temp_Stack SEGMENT USE16 AT 0 org 1000h VIDEO_BUFFER LABEL WORD org 0FFF0h ZV_STACK_TOP LABEL DWORD ZV_Temp_Stack ENDS endif ;Notebook_Power_Management PM_RAM SEGMENT USE16 AT 0 ; define PM RAM segment ORG 0 INCLUDE PM_RAM.INC PM_RAM ENDS .LIST DGROUP GROUP FCODE FCODE SEGMENT PUBLIC 'CODE' ASSUME CS:DGROUP ;R05 - start ifdef NEW_SUPERVGA_KERNEL COMPILE_FOR_SUPERVGA_ASM = 2 ;R15 if CIRRUS_VGA NE 0 ;R15 include Cirrus.vga ;R15 endif ;CIRRUS_VGA ;R15 ;R15 if CHIP_VGA NE 0 ;R15 include Chip.vga ;R15 endif ;CHIP_VGA ;R15 ;R15 if TRIDENT_VGA NE 0 ;R15 include Trident.vga ;R15 endif ;TRIDENT_VGA ;R15 ;R15 if ATI_VGA NE 0 ;R15 include ATI.vga ;R15 endif ;ATI_VGA ;R15 ;R15 if SIS_VGA NE 0 ;R15 include SIS.vga ;R15 endif ;SIS_VGA ;R15 ;R15 if S3_VGA NE 0 ;R15 include S3.vga ;R15 endif ;S3_VGA ;R15 ;R15 if NeoMagic NE 0 ;R15 include neomagic.vga ;R15 endif ;NeoMagic ;R15 - start include SUPERVGA.VGA ;R15 - end endif ;NEW_SUPERVGA_KERNEL ;R05 - end FCODE ENDS EGROUP GROUP ECODE ECODE SEGMENT PUBLIC 'ECODE' ASSUME CS:EGROUP,DS:G_RAM,ES:EGROUP ifdef NEW_SUPERVGA_KERNEL ;R19Aif Desktop_Power_Management EQ 2 ;R19 if Compile_for_LCDCRTOption NE 0 ;R19A ;[]==================================================================[] ; ; Subroutine for read VGA register ; ; Entry: ; AH = Index ; DX = VGA port ; ; Exit: ; AL = Read value ; ;[]==================================================================[] public Get_VGA_Reg Get_VGA_Reg proc near xchg ah,al out dx,al inc dl xchg ah,al in al,dx dec dl ret Get_VGA_Reg endp ;[]==================================================================[] ; ; Subroutine for write VGA register ; ; Entry: ; AH = index ; DX = VGA port ; ; Exit: ; ;[]==================================================================[] Public Set_VGA_Reg Set_VGA_Reg proc near xchg ah,al out dx,al inc dl xchg ah,al out dx,al dec dl ret Set_VGA_Reg endp ;[]==================================================================[] ;[]==================================================================[] Public Rep_Save_VGA Rep_Save_VGA proc near @@: call Get_VGA_Reg stos byte ptr es:[edi] inc ah loop short @B ret Rep_Save_VGA endp ;[]==================================================================[] ;[]==================================================================[] Public Rep_Restore_VGA Rep_Restore_VGA proc near @@: lods byte ptr ds:[esi] call Set_VGA_Reg inc ah loop short @B ret Rep_Restore_VGA endp ;[]==================================================================[] ;[]==================================================================[] Public Get_VGA_Att Get_VGA_Att proc near push dx mov dx,3C0h in al,dx push ax ; Save PAS status call Reset_VGA_FF mov al,ah out dx,al inc dl in al,dx dec dl mov bl,al call Reset_VGA_FF pop ax ; Restore PAS status out dx,al mov al,bl pop dx ret Get_VGA_Att endp ;[]==================================================================[] ;[]==================================================================[] Public Set_VGA_Att Set_VGA_Att proc near mov dx,3C0h in al,dx push ax ; Save PAS status call Reset_VGA_FF mov ax,cx mov dx,3C0h xchg ah,al out dx,al xchg ah,al out dx,al call Reset_VGA_FF pop ax out dx,al ; Restore PAS status ret Set_VGA_Att endp ;[]==================================================================[] ; ; Routine for reset VGA attribute register access Flip/Flop ; ;[]==================================================================[] Public Reset_VGA_FF Reset_VGA_FF proc near push ax push dx mov dx,3BAh in al,dx mov dl,0DAh in al,dx pop dx pop ax ret Reset_VGA_FF endp ;[]==================================================================[] ; ; Routine for get CRTC register address 3D4H or 3B4H ; ;[]==================================================================[] Public Get_CRTC_Addr Get_CRTC_Addr proc near push ax mov dx,3cch in al,dx mov dx,3d4h test al,1 jnz short @F mov dx,3b4h @@: pop ax ret Get_CRTC_Addr endp ;[]==================================================================[] ; ; Routine to wait for CRT vertical retrace ; ;[]==================================================================[] Public Wait_VRetrace Wait_VRetrace proc near push cx push dx call Get_CRTC_Addr add dx,06h xor cx,cx @@: in al,dx test al,08h jz short @F loop short @B @@: xor cx,cx @@: in al,dx test al,08h jnz short @F loop short @B @@: pop dx pop cx ret Wait_VRetrace endp endif ;Desktop_Power_Management EQ 2 ;R19 COMPILE_FOR_SUPERVGA_ASM = 3 if STANDARD_IBM_VGA NE 0 ;R19Aif Desktop_Power_Management EQ 2 ;R19 if Compile_for_LCDCRTOption NE 0 ;R19A ;[]===============================================================[] ; ; Suspend_VGA: ; ; Subroutine for save VGA status . ; ; Entry: ; ; ES = Segment for save buffer. ; ; Exit: ; ; Note: ; The following is standard VGA status save offset in buffer. ; ; 00H : sequencr index ; 01H,02H : CRTC address ; 03H : CRTC index ; 04H : graphic index ; 05H : attributes index ; 06H : Feature control ; 07H - 0AH : sequencr reg 1 - 4 ; 0BH : VGA Misc. Register ; 0CH - 24H : CRTC 0 - 18h ; 25H - 38H : attribute 0 - 13h ; 39H - 41H : VGA graphic control register 0 - 8 ; 42H : VGA DAC register R/W status ; 43H : VGA pel address ; 44H : VGA pel mask ; 45H : VGA (Attribute index 14h) color select register ; 46H - 0146H : VGA DAC register ; ;[]==================================================================[] Public Suspend_VGA Suspend_VGA PROC NEAR ; ; Save standard VGA registers ; push ebx mov edi,ebx add edi,offset VGA_State_Save mov dx,3C4h ; VGA sequencr index in al,dx stos byte ptr es:[edi] ;[00]: sequencr index call Get_CRTC_Addr ; VGA CRTC index mov ax,dx stos word ptr es:[edi] ;[01,02]: CRTC address in al,dx stos byte ptr es:[edi] ;[03]: CRTC index mov dx,3CEh ; VGA graphic index in al,dx stos byte ptr es:[edi] ;[04]: graphic index mov dx,3C0h ; VGA attributes index in al,dx stos byte ptr es:[edi] ;[05]: attributes index mov dx,3CAh ; Feature control read register in al,dx stos byte ptr es:[edi] ;[06]: Feature control mov cx,4 mov ah,1 mov dx,3C4h call Rep_Save_VGA ;[07 - 0A]: sequencr reg 1 - 4 mov dx,3CCh ; VGA Misc. Register read in al,dx stos byte ptr es:[edi] ;[0B]: VGA Misc. Register mov cx,19h xor ah,ah call Get_CRTC_Addr call Rep_Save_VGA ;[0C - 24]: CRTC 0 - 18h mov cx,14h xor ah,ah @@: call Get_VGA_Att stos byte ptr es:[edi] ;[25 - 38]: attribute 0 - 13h inc ah loop short @B mov cx,9 xor ah,ah mov dx,3CEh call Rep_Save_VGA ;[39 - 41]: VGA graphic 0 - 8 mov dx,3C7h in al,dx ; VGA DAC state reg inc dx and al,1 stos byte ptr es:[edi] ;[42]: VGA DAC reg R/W status in al,dx ; VGA pel address jz short @F dec al @@: stos byte ptr es:[edi] ;[43]: VGA pel address mov dl,0C6h in al,dx stos byte ptr es:[edi] ;[44]: VGA pel mask mov ah,14h call Get_VGA_Att stos byte ptr es:[edi] ;[45]: VGA Att 14 color select call Wait_VRetrace mov cx,100h xor al,al mov dx,3C7h out dx,al ; VGA pel address inc dx inc dx @@: in al,dx stos byte ptr es:[edi] in al,dx stos byte ptr es:[edi] in al,dx stos byte ptr es:[edi] loop short @B ;[46 - 146] VGA DAC register pop ebx ret Suspend_VGA ENDP ;[]===============================================================[] ; ; Resume_VGA: ; ; Subroutine for restore VGA status . ; ; Entry: ; ; ES = Segment of VGA state save buffer. ; ; Exit: ; ; Note: ; The following is standard VGA status save offset in buffer. ; ; 00H : sequencr index ; 01H,02H : CRTC address ; 03H : CRTC index ; 04H : graphic index ; 05H : attributes index ; 06H : Feature control ; 07H - 0AH : sequencr reg 1 - 4 ; 0BH : VGA Misc. Register ; 0CH - 24H : CRTC 0 - 18h ; 25H - 38H : attribute 0 - 13h ; 39H - 41H : VGA graphic control register 0 - 8 ; 42H : VGA DAC register R/W status ; 43H : VGA pel address ; 44H : VGA pel mask ; 45H : VGA (Attribute index 14h) color select register ; 46H - 0146H : VGA DAC register ; ;[]==================================================================[] Public Resume_VGA Resume_VGA PROC NEAR push ds push es pop ds mov esi,ebx add esi,offset VGA_State_Save ; ; Restore standard VGA register ; mov dx,3C4h mov esi,ebx add esi,offset TSR_Save mov cx,4 mov ah,1 call Rep_Restore_VGA ; Restore Sequencer Register mov dx,3C2h mov al,es:[ebx+VGA_Misc_Save] out dx,al ; 3C2h, VGA misc out reg mov dx,es:[ebx+CRTC_Address_Save] mov ax,1100h ; Disable CRTC 0-7 lock call Set_VGA_Reg mov esi,ebx add esi,offset CRTC_Save mov cx,19h xor ah,ah call Rep_Restore_VGA ; Restore CRTC registers 0 - 18h mov dx,3CEh mov esi,ebx add esi,offset GDC_Save mov cx,9 xor ah,ah call Rep_Restore_VGA ; Restore GDC 0 - 8 mov esi,ebx add esi,offset ATC_Save xor ah,ah mov cx,14h call Reset_VGA_FF mov dx,3C0h @@: mov al,ah out dx,al lods byte ptr ds:[esi] out dx,al ; Restore ATC 0 - 13h inc ah loop short @B mov dx,es:[ebx+CRTC_Address_Save] add dl,6 mov al,es:[ebx+Feature_Control_Save] out dx,al ; Restore Feature control push dx mov dx,3C4h mov al,es:[ebx+TSR_Index_Save] out dx,al ; Restore TSR index mov dx,es:[ebx+CRTC_Address_Save] mov al,es:[ebx+CRTC_Index_Save] out dx,al ; Restore CRTC index mov dx,3CEh mov al,es:[ebx+GDC_Index_Save] out dx,al ; Restore GDC index pop dx in al,dx mov dx,3C0h mov al,es:[ebx+ATC_Index_Save] out dx,al ; Restore ATC index mov ch,14h mov cl,es:[ebx+Color_Select_Save] call Set_VGA_Att ; Restore color select mov al,es:[ebx+PEL_Mask_Save] mov dx,03C6h out dx,al ; Restore PEL Mask call Wait_VRetrace mov esi,ebx add esi,offset DAC_Save mov dx,3C8h xor al,al out dx,al ; port 3C8h, VGA pel address inc dx mov cx,100h @@: lods byte ptr ds:[esi] out dx,al ; Restore DAC lods byte ptr ds:[esi] out dx,al ; Restore DAC lods byte ptr ds:[esi] out dx,al ; Restore DAC loop short @B mov dx,3C7h mov al,es:[ebx+DAC_State_Save] test al,1 mov al,es:[ebx+PEL_Address_Save] jnz short @F inc dx @@: out dx,al ; Restore PEL R/W State pop ds ret Resume_VGA ENDP ;[]========================================================================[] ;Procedure: Save_VRAM ; ;Function : Save Video RAM for Zero-Volt-Suspend. ; ;Input : None ; ;Output : None ; ;Preserve : ES,DS ; ;Note : 1. Called by Suspend_0V ; 2. The stack is in segment 0000h ; 3. Save location = start location + 1056KB ;[]========================================================================[] Public Save_VRAM Save_VRAM PROC NEAR ;R01A - start if VESA_BIOS_VGA NE 0 Call VESA_SAVE_VRAM else ;VESA_BIOS_VGA NE 0 ;R01A - end push ebx push ds ; Disable CRT display call Reset_VGA_FF mov dx,03c0h xor al,al out dx,al ; ; Save Video RAM ; mov dx,03c4h mov ax,0406h ; Enable chain four mode call Set_VGA_Reg mov dx,03ceh mov ax,0500h call Set_VGA_Reg mov ax,0601h ; memory mapping select to a000h,128k. call Set_VGA_Reg push es mov dx,03ceh mov ax,0400h ; Set plane 0 call Set_VGA_Reg call Get_ZV_HDD_Loc add ebx,ZV_HDD_VRAM_Sector @@: mov ax,0A000h mov ds,ax xor esi,esi mov ah,30h ; Write command mov al,(64*1024)/512 ; Sector Count call HDD_Transfer mov ax,0B000h mov ds,ax xor esi,esi add ebx,(64*1024)/512 mov ah,30h ; Write command mov al,(64*1024)/512 ; Sector Count call HDD_Transfer mov dx,03ceh mov ah,04h call Get_VGA_Reg and al,3 cmp al,3 ; Is plane 3 ? jae short @F inc al ; Next plane .. call Set_VGA_Reg add ebx,(64*1024)/512 ; Next start sector .. jmp short @B @@: pop es Save_VRAM_ok: pop ds pop ebx endif ;VESA_BIOS_VGA NE 0 ;R01A ret Save_VRAM ENDP ;[]========================================================================[] ;Procedure: Restore_VRAM ; ;Function : Restore Video RAM for resume from Zero-Volt-Suspend. ; ;Input : None ; ;Output : None ; ;Preserve : ES,DS ; ;Note : 1. Called by Resume_0V ; 2. The stack is in segment 0000h ; 3. Save location = start location + 1088KB ;[]========================================================================[] public Restore_VRAM Restore_VRAM PROC NEAR ;R01A - start if VESA_BIOS_VGA NE 0 Call VESA_RESTORE_VRAM else ;VESA_BIOS_VGA NE 0 ;R01A - end push ebx push ds ; Disable CRT display call Reset_VGA_FF mov dx,03c0h xor al,al out dx,al ; ; Restore Video RAM ; mov dx,03c4h mov ax,0406h ; Enable chain four mode call Set_VGA_Reg mov dx,03ceh mov ax,0500h call Set_VGA_Reg mov ax,0601h ; memory mapping select to a000h,128k. call Set_VGA_Reg push es mov dx,03c4h mov ax,0201h ; Start plane 0 call Set_VGA_Reg call Get_ZV_HDD_Loc ; Start sector add ebx,ZV_HDD_VRAM_Sector @@: xor edi,edi mov ax,0A000h mov es,ax mov ah,20h ; Read command mov al,(64*1024)/512 ; Sector Count call HDD_Transfer mov ax,0B000h mov es,ax xor edi,edi add ebx,(64*1024)/512 ; Next start sector .. mov ah,20h ; Read command mov al,(64*1024)/512 ; Sector Count call HDD_Transfer mov dx,03c4h mov ah,02h call Get_VGA_Reg and al,0fh cmp al,8 ; Is plane 3 ? je short @F shl al,1 ; Next plane .. call Set_VGA_Reg add ebx,(64*1024)/512 ; Next start sector .. jmp short @B @@: pop es Restore_VRAM_ok: pop ds pop ebx endif ;VESA_BIOS_VGA NE 0 ;R01A ret Restore_VRAM ENDP endif ;Desktop_Power_Management EQ 2 ;R19 ;R09 - start Public Alternate_INT10_for_SMI Alternate_INT10_for_SMI Proc Near ret Alternate_INT10_for_SMI Endp ;R09 - end endif ;STANDARD_IBM_VGA ;R01 - start if VESA_BIOS_VGA EQ 1 ;R03 ;R19Aif Desktop_Power_Management EQ 2 ;R19 if Compile_for_LCDCRTOption NE 0 ;R19A ;[]==================================================================[] ; ; Procedure Name: VESA_SAVE_VRAM ; ; This routine use VESA BIOS function call to save Video RAM ; ; Saves: All ; Input: ; none ; ; Output: ; none ; ; [Note]: ; 1. This routine is VESA BIOS dependent. ; ; Author: Daniel Huang ; Date: December, 30, 1996 ; ; Name | Date | Description ; ----------------------------------------------------------------- ; DNL | 12/30/96 | Initial version for VESA BIOS 1.X ;[]==================================================================[] Public VESA_Save_VRAM VESA_Save_VRAM Proc near push ds push es push ebx ;----------------------------------------------------------------------- ; ; save the state of the video subsystem ; ;----------------------------------------------------------------------- mov al,01h Call video_state call Get_ZV_HDD_Loc add ebx,ZV_HDD_VBUFFER_Sector mov ax,ZV_Temp_Stack mov ds,ax mov esi,offset VIDEO_BUFFER mov ah,30h ;R18 mov al,(4*1024)/512 mov al,(8*1024)/512 ;R18 Call HDD_Transfer ;----------------------------------------------------------------------- ; ; save the video RAM use VESA function call ; ;----------------------------------------------------------------------- ;;;; Step 1 : set mode 101h mov ax,4F02h mov bx,8101h ;Set Mode 101h Call F000_Video_Func ;;;; Step 2 : Disable display output call Reset_VGA_FF mov dx,03c0h xor al,al out dx,al ;;;; Step 3 : Get mode 101h information mov ax,ZV_Temp_Stack mov es,ax mov di,offset VIDEO_BUFFER + 100h mov ax,4F01h mov cx,101h Call F000_Video_Func ;;;; Step 4 : Get VRAM size mov di,offset VIDEO_BUFFER mov ax,4F00h Call F000_Video_Func mov ax,es:[di+12h] ;;;; Step 5 : Get windows segment mov dx,es:[di+108h] xor bx,bx test byte ptr es:[di+102h],2 jnz short @F mov bl,01h mov dx,es:[di+10Ah] @@: mov ds,dx push bx ;;;; Step 6 : Calculate the number of pages shl ax,6 mov cx,es:[di+106h] xor dx,dx div cx push ax ;;;; Step 7 : Calculate the number of Granularity units per page mov ax,es:[di+106h] mov cx,es:[di+104h] xor dx,dx div cx mov di,ax pop cx ;;;; Step 8 : Save VRAM call Get_ZV_HDD_Loc add ebx,ZV_HDD_VRAM_Sector xor dx,dx pop ax Vesa_Save_RAM: ;R18A - Start if SMI_VGA EQ 1 pushad mov dx, 3c4h mov al, 1 out dx, al inc dx in al, dx or al, 20h xchg ah, al dec dx mov al, 1 out dx, ax popad endif ;SMI_VGA EQ 1 ;R18A - End push ax push dx push di push ebx push ds mov bx,ax mov ax,4F05h Call F000_Video_Func pop ds pop ebx mov ah,30h ;Write Command mov al,(64*1024)/512 xor esi,esi Call HDD_Transfer add ebx,(64*1024)/512 pop di pop dx add dx,di pop ax loop Vesa_Save_RAM pop ebx pop es pop ds clc ret VESA_Save_VRAM endp ;[]==================================================================[] ; ; Procedure Name: VESA_RESTORE_VRAM ; ; This routine use VESA BIOS function call to restore Video RAM ; ; Saves: All ; Input: ; none ; ; Output: ; none ; ; [Note]: ; 1. This routine is VESA BIOS dependent. ; ; Author: Daniel Huang ; Date: December, 30, 1996 ; ; Name | Date | Description ; ----------------------------------------------------------------- ; DNL | 12/30/96 | Initial version for VESA BIOS 1.X ;[]==================================================================[] Public VESA_Restore_VRAM VESA_Restore_VRAM Proc near push ds push es push ebx ;----------------------------------------------------------------------- ; ; restore the video RAM use VESA function call ; ;----------------------------------------------------------------------- ;;;; Step 1 : set mode 101h mov ax,4F02h mov bx,0101h ;Set Mode 101h Call F000_Video_Func ;;;; Step 2 : Disable display output call Reset_VGA_FF mov dx,03c0h xor al,al out dx,al ;;;; Step 3 : Get mode 101h information mov ax,ZV_Temp_Stack mov es,ax mov di,offset VIDEO_BUFFER + 100h mov ax,4F01h mov cx,101h Call F000_Video_Func ;;;; Step 4 : Get VRAM size mov di,offset VIDEO_BUFFER mov ax,4F00h Call F000_Video_Func mov ax,es:[di+12h] ;;;; Step 5 : Get windows segment mov dx,es:[di+108h] xor bx,bx test byte ptr es:[di+102h],4 jnz short @F mov bl,01h mov dx,es:[di+10Ah] @@: mov ds,dx push bx ;;;; Step 6 : Calculate the number of pages shl ax,6 mov cx,es:[di+106h] xor dx,dx div cx push ax ;;;; Step 7 : Calculate the number of Granularity units per page mov ax,es:[di+106h] mov cx,es:[di+104h] xor dx,dx div cx mov di,ax pop cx ;;;; Step 8 : Save VRAM call Get_ZV_HDD_Loc add ebx,ZV_HDD_VRAM_Sector xor dx,dx push ds pop es pop ax VEsa_Restore_RAM: ;R18A - Start if SMI_VGA EQ 1 pushad mov dx, 3c4h mov al, 1 out dx, al inc dx in al, dx or al, 20h xchg ah, al dec dx mov al, 1 out dx, ax popad endif ;SMI_VGA EQ 1 ;R18A - End push ax push dx push di push ebx push es mov bx,ax mov ax,4F05h Call F000_Video_Func pop es pop ebx mov ah,20h ;Read Command mov al,(64*1024)/512 xor edi,edi Call HDD_Transfer add ebx,(64*1024)/512 pop di pop dx add dx,di pop ax loop Vesa_Restore_RAM ;----------------------------------------------------------------------- ; ; restore the state of the video subsystem ; ;----------------------------------------------------------------------- call Get_ZV_HDD_Loc add ebx,ZV_HDD_VBUFFER_Sector mov ax,ZV_Temp_Stack mov es,ax mov edi,offset VIDEO_BUFFER mov ah,20h ;R17 mov al,(4*1024)/512 mov al,(8*1024)/512 ;R17 Call HDD_Transfer mov al,02h Call video_state pop ebx pop es pop ds clc ret VESA_Restore_VRAM endp F000_Video_Func: F000_Call Video_Func ret endif ;Desktop_Power_Management EQ 2 ;R19 endif ;VESA_BIOS_VGA EQ 1 ;R03 ;R01 - end ;R15 if CIRRUS_VGA NE 0 ;R15 include Cirrus.vga ;R15 endif ;CIRRUS_VGA ;R15 ;R15 if CHIP_VGA NE 0 ;R15 include Chip.vga ;R15 endif ;CHIP_VGA ;R15 ;R15 if TRIDENT_VGA NE 0 ;R15 include Trident.vga ;R15 endif ;TRIDENT_VGA ;R15 ;R15 if ATI_VGA NE 0 ;R15 include ATI.vga ;R15 endif ;ATI_VGA ;R15 ;R15 if SIS_VGA NE 0 ;R15 include SIS.vga ;R15 endif ;SIS_VGA ;R15 ;R15 if S3_VGA NE 0 ;R02 ;R15 include S3.vga ;R02 ;R15 endif ;S3_VGA ;R02 ;R15 ;R15 if NeoMagic NE 0 ;R04 ;R15 include neomagic.vga ;R04 ;R15 endif ;NeoMagic ;R04 ;R15 - start include SUPERVGA.VGA ;R15 - end ;R14 - start public VGA_ON_BEFORE_SAVE VGA_ON_BEFORE_SAVE Proc near if VGA_ON_BEFORE_ZV_SUS NE 0 F000_Call Enable_CRT endif ;VGA_ON_BEFORE_ZV_SUS ret VGA_ON_BEFORE_SAVE Endp ;R14 - end endif ;NEW_SUPERVGA_KERNEL ECODE ENDS END