Commodore Amiga A500 Technical Reference Manual page 236

D E S C R I P T I O N
THE CLOCK I S NOW T I L E D THROUGHOUI THE SPACE f D 8 0 0 0 0 - D B F F F F . I F
MORE P R E C I S E S E L E C T I O N T O B D 8 0 0 0 r B D 8 F F F F I S R E A L L Y NEEDED, THEN
T H I S MUST B E DONE E X T E R N A L L Y U S I N G THE / C S I N P U T ON THE CLOCK C H I P
D T A C K FOR THE C L O C K I S H A N D L E D I N THE MYRAME E Q U A T I O N B E C A U S E THE D T A C K
E Q U A T I O N A L R E A D Y H A S
7
OR TERMS! T H I S MEANS T H A T CLOCK A C E S S E S W I L L B E
S Y N C H R O N I Z E D
TO
V I D E O C Y C L E S , B U T b T H I S SHOULD CREATE NO MAJOR P R O B L E M S .
THE I M P L E M E N T A T I O N O F ROME/MYRAME MATCHES T H E A 1 0 0 0
-
I T M I G H T B E
~ E S ~ R A B L E T O H A V E THE ADDRESS RANGE I N HYRAME M A T C H THE R O n S E L E C T
A D D R E S S RANGE
...
MYRAME C U T P U T I S NOT U S E D E X T E R N A L L Y
-
O N L Y I N T E R N A L U S A G E ! ! !