Re: A86: Buffer to Screen Scrolling...
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Re: A86: Buffer to Screen Scrolling...
ld hl,$fc10
ld de,$fc00
ld bc,1008
push bc
ldir ;shift screen up
ld hl,buffer
push hl
ld c,16
ldir ;copy new row to bottom of screen
pop de
pop bc
ldir ;shift buffer up
In a message dated 5/1/00 6:32:16 PM Eastern Daylight Time, zoneti@tinews.net
writes:
>
> What's the best way to scroll the 1024 bytes of data (a map) into the
> screen while scrolling the screen ($fc00) upwards.
>
> The buffer's name is "buffer" and I need it to scroll one line at a time
> up while the screen shifts itself up. Whats the best way to do this? I
> tried a couple times but failed miserably :)
----
Jonah Cohen
<ComAsYuAre@aol.com>
http://jonah.ticalc.org