11.
12.
13.
15.
16.
17.
A t t h e e n d , w h e n y o u f i n i s h i n p u t o f y o u r p r o g r a m s t a t e m e n t ,
y o u s h o u l d p r e s s
k e y .
Y o u w i l l g e t
o n y o u r C R T .
I
1
I n o r d e r t o g e t d i s c o n n e c t e d f r o m ‘ E D ’ a n d r e - b o o t t o
system, you s h o u l d p r e s s ‘E’ key and <RETURN>.
‘ASM EXAMPLE’ and press <RETURN>.
( F o r d e t a i l r e f e r t o
OPERATING SYSTEM MANUAL’.)
Now, i f y o u g o b a c k t o t h e d i r e c t o r y , y o u w i l l g e t y o u r f i l e
s u c h a s : -
(1) EXAMPLE
BAK (2) EXAMPLE
ASM (3) EXAMPLE
PRN
(4) EXAMPLE
HEX
e t c .
I
You need to ‘LOAD’ command.
(Due previously we made ‘HEX’ file only now you have to make
I
‘COM FILE’ in order to run your program on CP/M-80 Operating
System.)
‘LOAD EXAMPLE’ press <RETURN>.
In the directory ‘EXAMPLE
COM’ will appear.
I f y o u t y p e ‘EXAMPLE’ and press <RETURN>,
y o u r p r o g r a m w i l l s t a r t r u n n i n g a u t o m a t i c a l l y .
‘End’
l .
.
- s o -
(Initial Program Load)
T h i s p r o g r a m i s u s e d o n l y a t t h e s y s t e m s t a r t i n g t o
i n i t i a l i z e t h e s y s t e m I / O c o n t r o l l e r , loads the system program
from the floppy diskette to the main memory.
When you call
this program, t h e F o r m u l a - l b e c o m e s a t a i n i t i a l s t a t e t h r o u g h
S o f t w a r e - R e s e t .
Usually, t h e r e i s n o n e e d t o u s e t h i s p r o g r a m .
(Floppy Disk Control)
Input Parameter
1 3 b y t e s o f p a r a m e t e r i n f o r m a t i o n s a r e s e t i n
FENT (FDC parameter setting area).
Output Parameter
T h e s t a t u s i s s e t i n A - r e g i s t e r .
R e g i s t e r
A l l r e g i s t e r s a r e r e s e r v e d e x c e p t A - r e g i s t e r .
Calling Method
CALL FDC
T h i s p r o g r a m i s t h e b a s i c i n s t r u c t i o n t o o p e r a t e
8 ” f l o p p y d i s k d r i v e s .
T h i s i s o p e r a t i n g b y s e t t i n g c o n t r o l l i n g
i n f o r m a t i o n s i n t h e p a r a m e t e r a r e a a n d c a l l i n g s u b r o u t i n e .
Command Name
Function
Basic Command
OOH
S E E K Z ( S e e k t o z e r o t r a c k )
Expansion
Command
OFH
EREAD (Seek read data)
12H
EWRITE (Seek & write data)
T a b l e E l FDC Command