I meant are they read/write, or write only? However in the interim,
I've found a copy of the Technical Manual online and discovered that
they are read/write, which I wasn't expecting.
On 28 Aug 2008, at 21:06, Leszek Chmielewski wrote:
251 = High Memory Page Register
250= Low Memory Page Register
Greetings,
LCD
Thomas Harte schrieb:
Port 252 is read/write? Anybody got any idea about ports 250 & 251?
On 28 Aug 2008, at 20:22, Leszek Chmielewski wrote:
James R Curry schrieb:
Okay, utterly random question...
How does one determine the start address of the screen in Sam
BASIC?
I forget.
It has been years.
-- James R Curry
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
SAM adv. technical manual says:
10 LET A=IN 252 BAND 31
20 LET BASE=(A+1)*16384
BASE=Start of Screen
greetings
LCD
P.S. But the structure of Information in Screen$ for Palette
interrupt changes is unknown to me yet. |-D.
