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Conference hydra::amiga_v1

Title:	AMIGA NOTES
Notice:	Join us in the NEW conference - HYDRA::AMIGA_V2
Moderator:	HYDRA::MOORE

Created:	Sat Apr 26 1986
Last Modified:	Wed Feb 05 1992
Last Successful Update:	Fri Jun 06 1997
Number of topics:	5378
Total number of notes:	38326

1701.0. "Set Interlace ON ?" by CAMONE::ARENDT (DDT - The first and still the best) Mon Sep 19 1988 19:42

    Does anyone know how to set the interlace from the CLI or from the
    startup file?  My problem is that I want to be able to turn interlace
    on and off without rebooting.  I know it can be done because the
    vt200 emulator does it.  I know that you can invoke preferences
    ,set interlace, save it and reboot, however my problem is that the
    startup-sequence transfers control to my hard disk after that
    preference is set.  This means that when I invoke preferences it
    seems to afect only the hard disk not the boot floppy.
    
    Hellllllp !!
    
    Thank You For Your Support
    
    Harry Arendt

T.R	Title	User	Personal Name	Date	Lines
1701.1	Alf says: "No problem!"	RAVEN1::EVERHART		`Mon Sep 19 1988 20:50`	9
	Sure. There's a PD program called LACEWB that toggles the interlace mode for you. I stuck the program in my account so you can grab it if you want to. The archive is called LACEWB.ARC and it's in RAVEN1::DISK$RAVEN1USER1:[EVERHART.AMIGA] Please let me know when you get it so I can delete it. - Chris (RAVEN1::EVERHART)
1701.2	LaceWB or SetLace	LEDS::ACCIARDI		`Mon Sep 19 1988 20:54`	16
	That's an easy one... just look in LEDS3::USER6:[ACCIARDI.AMIGA] for a file called LACEWB.arc. This does exactly what you want from either Workbench or CLI. There is also a SETLACE command that isn't well known... the Amiga can perform line-doubling in 200 line mode. This is actually an interlaced mode, where each frame is sent twice. This is often used to enhance the quality of an image recorded to VCR. It can also be used to enhance the text quality by eliminating the dark horizontal bands between scan lines. I used SETLACE all the time before I got genuine hardware deinterlacer. Ed.
1701.3	Whoops! Our notes crossed in the ether..	LEDS::ACCIARDI		`Mon Sep 19 1988 20:56`	7
	I forgot to mention, SETLACE will absolutely not slow down the CPU one iota. I also forgot to mention how to turn it off.. SETLACE OF Ed.
1701.4	copy system-configuration to boot floppy	WJG::GUINEAU	Just a Window in Time	`Tue Sep 20 1988 12:39`	11
	Once you boot from hard disk and change preferences, get to a CLI and type: copy devs:system-configuration df0:devs Assuming df0: has your boot floppy, system-configuration is the file preferences writes it's setup info to. John
1701.5	Works like a charm. Thanks!	CAMONE::ARENDT	DDT - The first and still the best	`Thu Sep 22 1988 18:11`	9
	Thanks for the idea's and help. I would ahve gotten back to this note sooner however I caught a cold at just the wrong moment. I bought a monochrome amber Magnavox Monitor 80, used both lacewb and morerows in my startup and viola, a flicker free display of high resolution charcters and I love it.