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Chip: Special Tips & Tricks for Windows 95
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1996-09-11
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127 lines
Date: 10/20/95
Version:1.20 B5
Product: Everest
===========================================================
1. Problem : The panel is hang when VM does the memory 4K page copy.
solved : 1. The bit 6 of SR21 should be set when simulscan is on
program modefied: vddoem.asm, vddint.asm, vddstate.asm,
vddvmmem.asm
2. Enlarge the vertical retrace when VDD finish the pre-
restore the CRTC.
program modefied: vddoem.asm
Date: 10/23/95
Version:1.20 B6
Product: Everest
===========================================================
1. Problem : The TFT panel is hang when simulscan is on.
solved : 1. The bit 6 of SR21 should be disable when single-scan STN
color mode is selected.
program modefied: vddoem.asm, vddint.asm, vddstate.asm,
vddvmmem.asm
2. Problem : The setmode 13 will generate screen garbage when the window
dos screen switch to full dos screen.
solved : 1. do 16 times copy 4K memory to physical display buffer
program modefied : vddvmmem.asm
Date: 10/31/95
Version:1.20 B7
Product: Everest
===========================================================
1. Problem : The keyboard will be lock when do ALT+ENTER,ALT_ESC or ALT_TAB
solved : 1. disable the Keyboard before wait vertical retrace.
2. wait one frame of vertical before restore the CRTC.
3. enable the Keyboard after finish the CRTC restore.
program modefied : vddoem.asm , vddstate.asm
Date: 11/07/95
Version:1.20 B8
Product: Everest
===========================================================
1. Problem : Setmode 66 cause screen off in full dos windows
solved : 1. Skip the current VM memeory disable, and set VDD mode flag
to notice mode chang is finish
program modified : vddint.asm vddvmmem.asm
Date: 11/22/95
Version:1.30
Product: Everest
===========================================================
1. Problem : Setmode 66 cause screen off in full dos windows
solved : 1. Skip the current VM memeory disable, and set VDD mode flag
to notice mode chang is finish
program modified : vddint.asm vddvmmem.asm
2. Problem : Window video picture can't work well when come back from full
DOS screen
solved : 1. save and restore CRTC 3ch
program modified : vddoem.asm vddproc.asm
Date: 12/13/95
Version:1.31
Product: Everest
===========================================================
1. Problem : setmode 64, 65, 66 cause dos window became blank.
solved : bypass the setmode if panel not support.
program modified : vddint.asm
2. Problem : After open several dos window then close all of them, the setmode
13 show error msg 'application violated system integrity ..."
program modified : vddvmmem.asm
3. Problem : Hit CTRL+ALT+DEL on TV mode and you screen out of Sync.
solved : In TV mode, the SR1 clocking mode register has to select 8 dot
clock ( bit 0 = 1 )
program modified : vddsvc.asm
Date: 12/18/95
Version:1.32
Product: Everest
===========================================================
1. Problem : setmode 64, 65 , 66 can't work with new driver B16.
solve : vdd can't program the SR07 and SR2D before
restore screen to plane ( only for 256, 64k color )
program modified : vddvmmem.asm
2. Problem : wall paper happen when press ALT+TAB in full dos screen ( only
happen on 16M color )
solve : use old wait vertical retrace different from 256,64k
color
program modified : vddoem.asm , vddstate.asm
Date: 12/19/95
Version:1.33
Product: Everest
===========================================================
1. Problem : Take out detect setmode 64, 65 , 66, otherwise cause a lot problems
solve : take out module "CheckifModeSupportOrNot"
program modified : vddint.asm