Re: Screen Holes

["Bill Garber" <willy46pa@comcast.net>]

"Bill Garber" <willy46pa@comcast.net> wrote in message
vLmdnepNXOlhzWWiRVn-sQ@comcast.com">news:vLmdnepNXOlhzWWiRVn-sQ@comcast.com...
:
: "Bill Garber" <willy46pa@comcast.net> wrote in message
: 7tSdnSbskKn81mWiRVn-jg@comcast.com">news:7tSdnSbskKn81mWiRVn-jg@comcast.com...
: :
: : "Paul R. Santa-Maria" <paulrsm@buckeye-express.com> wrote in
: : message 3FF82867.1C8AF7AD@buckeye-express.com">news:3FF82867.1C8AF7AD@buckeye-express.com...
: : : Bill Garber wrote:
: : : > : > Wonderful, except there are 8 screen holes, AFAICT.
;-)
: : : > Sorry, I viewed it as 8 x 8 byte holes,
: : : > instead of 64 x 1 byte holes.
: : :
: : : I do not understand.  Are you saying the code is wrong?
: :
: : I'm not sure, but it appears to only get half
: : of them. Have another look at it and I'll do
: : the same, but I'm sure you'll need 8 passes
: : instead of 4. Again, I'm not really sure. ;-)
:
: Yes, I'm right. According to the Apple //c
: Reference Manual, there are 8 blocks that
: run this way:
:
: $400-$477 leaving $478-$47F
: $480-$4F7 leaving $4F8-$4FF
: $500-$577 leaving $578-$57F
: $580-$5F7 leaving $5F8-$5FF
: $600-$677 leaving $678-$67F
: $680-$6F7 leaving $6F8-$6FF
: $700-$777 leaving $778-$77F
: $780-$7F7 leaving $7F8-$7FF
:
: It's not much more to code it,
: just a few modifications.

Never mind, the code is there.
It does LDX #$78 and jump back
to do the other 4 passes. DUH!

Bill @ GarberStreet Enterprizez };-)
Web Site - http://garberstreet.netfirms.com
Email - willy4SPAM6pa@comXcast.net
Remove - SPAM and X to contact me



---
This email ain't infected, dude!

Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.556 / Virus Database: 348 - Release Date: 12/26/03