Sharp mz-3500 Manual For Use page 227

Section A:
System interface
************************************************************************
* *
*
*
59 -
Load Overlay
*
*
************************************************************************
On
entry: C
DE
On return: A
H
3BH
Address of FCB
Error code
Physical error code
Possible logical errors:
- none -
Possible physical errors:
1 Read/write error
4
Drive not selectable
9 Quotation marks in file name
Differences to CP/M plus:
- none -
Differences to CP/M 2.2 resp. DiCOS:
New function.
This function enables user programs to invoke the EOS program loader.
Normally, the loader is used by the command interpreter only and does
not reside
in
memory. To keep it in memory, function modules must have
been loaded, or the program must be provided with an
em~ty
program
header.
EOS expects an active FCB in DE, i.e. the file must have been opened.
Furthermore, the desired loading address has to be passed in bytes 34
and 35 {R0 and Rl) in the FCB, which must not be less than HJ0H. There
must be enough space in memory to store the entire file. If both these
conditions are not met, EOS returns with register A
=
0FFH and H 0.
All other logical error possible correspond to those mentioned at func-
tion 20 {Read Sequential).
If the file loaded is of type
11
PRL 11
,
it will be relocated after loading.
Function modules found within the file will be activated.
EOS System manual Daeumling & Zimmermann Page 90