Atari ST series Technical Reference Manual page 407

1 1 5 8 - 1 1 6 1
S a v e d t r a p 1 4 r e t u r n a d d r e s s .
1 1 6 2 - 1 1 6 5
S a v e d r e t u r n a d d r e s s f o r e t v _ _ c r i tic v e c t o r .
1 1 6 6 - 1 1 8 1
T h e t h e M D ( m e m o r y d e s c r i p t o r ) s t r u c t u r e t h a t is in iti a liz e d b y th e
G e t m p b ( ) c a ll. T h is s t r u c t u r e m a y n o t b e c h a n g e d o n c e G E M D O S is in i­
ti a liz e d .
1 1 8 2 - 1 1 8 5
P o i n t e r to a d d i t i o n a l m e m o r y d e s c r i p t o r s .
1 1 8 6 - 1 1 8 9
P o i n t e r t o t h e b u f f e r t h e B I O S u s e s t o s a v e r e g i s t e r v a l u e s .
1 1 9 0 - 1 1 9 1
N u m b e r o f f l o p p y d r i v e s c o n n e c t e d t o t h e s y s t e m ( 0 , 1 , o r 2 ) .
1 1 9 2 - 1 1 9 5
V e c t o r f o r c o n s o l e o u t p u t r o u t i n e s , w h i c h c a n b e s e t t o p o i n t to v a r i o u s
E s c f u n c t i o n s .
1 1 9 6 - 1 1 9 7
T h e r o w n u m b e r is s a v e d t e m p o r a r i l y in th is b u f f e r w h e n p o s i t i o n i n g t h e
c u r s o r w i th t h e V T - 5 2 E s c - Y c o m m a n d .
ST Memory Map
trpl4ret
criticret
themd
__md
savptr
__nflops
con__state
save_row
( $ 4 8 6 - $ 4 8 9 )
( $ 4 8 A - $ 4 8 D )
( $ 4 8 E - $ 4 9 D )
( $ 4 9 E - $ 4 A 1 )
< $ 4 A 2 - $ 4 A 5 )
( $ 4 A 6 - $ 4 A 7 )
( $ 4 A 8 - $ 4 A B )
( $ 4 A C - $ 4 A D )
399